octave-jordi/gnulib-hg: lib/argp-help.c annotate

annotate lib/argp-help.c @ 6484:0346b7d45837

(fill_in_uparams): Check if the constructed struct uparams is valid. Fall back to the default values if it is not.

author	Sergey Poznyakoff <gray@gnu.org.ua>
date	Sat, 10 Dec 2005 21:37:29 +0000
parents	39f26cf09cc9
children	d41048afd9bb

rev	line source
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1 /* Hierarchial argument parsing help output
5635 c86fa81615ac (update copyright year) Sergey Poznyakoff <gray@gnu.org.ua> parents: 5634 diff changeset	2 Copyright (C) 1995-2003, 2004, 2005 Free Software Foundation, Inc.
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	3 This file is part of the GNU C Library.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	4 Written by Miles Bader <miles@gnu.ai.mit.edu>.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	5
4419 9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	6 This program is free software; you can redistribute it and/or modify
9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	7 it under the terms of the GNU General Public License as published by
9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	8 the Free Software Foundation; either version 2, or (at your option)
9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	9 any later version.
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	10
4419 9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	11 This program is distributed in the hope that it will be useful,
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	12 but WITHOUT ANY WARRANTY; without even the implied warranty of
4419 9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	14 GNU General Public License for more details.
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	15
4419 9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	16 You should have received a copy of the GNU General Public License along
9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	17 with this program; if not, write to the Free Software Foundation,
5848 a48fb0e98c8c * empty log message * Paul Eggert <eggert@cs.ucla.edu> parents: 5635 diff changeset	18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	19
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	20 #ifndef _GNU_SOURCE
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	21 # define _GNU_SOURCE 1
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	22 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	23
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	24 #ifdef HAVE_CONFIG_H
6259 96c32553b4c6 Use a consistent style for including <config.h>. Paul Eggert <eggert@cs.ucla.edu> parents: 5848 diff changeset	25 # include <config.h>
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	26 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	27
5067 1407b63897fd Simplify argp by assuming alloca module. Paul Eggert <eggert@cs.ucla.edu> parents: 5000 diff changeset	28 #include <alloca.h>
5187 5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	29 #include <errno.h>
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	30 #include <stddef.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	31 #include <stdlib.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	32 #include <string.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	33 #include <assert.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	34 #include <stdarg.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	35 #include <ctype.h>
5000 fb87c5f96c33 update from glibc Karl Berry <karl@freefriends.org> parents: 4888 diff changeset	36 #include <limits.h>
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	37 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	38 # include <wchar.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	39 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	40
5187 5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	41 #ifdef _LIBC
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	42 # include <libintl.h>
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	43 # undef dgettext
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	44 # define dgettext(domain, msgid) \
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	45 INTUSE(__dcgettext) (domain, msgid, LC_MESSAGES)
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	46 #else
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	47 # include "gettext.h"
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	48 #endif
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	49
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	50 #include "argp.h"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	51 #include "argp-fmtstream.h"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	52 #include "argp-namefrob.h"
6473 39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	53 #include "dirname.h"
4736 60f76c3e517a updates from libc,automake Karl Berry <karl@freefriends.org> parents: 4536 diff changeset	54
60f76c3e517a updates from libc,automake Karl Berry <karl@freefriends.org> parents: 4536 diff changeset	55 #ifndef SIZE_MAX
60f76c3e517a updates from libc,automake Karl Berry <karl@freefriends.org> parents: 4536 diff changeset	56 # define SIZE_MAX ((size_t) -1)
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	57 #endif
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	58
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	59 /* User-selectable (using an environment variable) formatting parameters.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	60
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	61 These may be specified in an environment variable called `ARGP_HELP_FMT',
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	62 with a contents like: VAR1=VAL1,VAR2=VAL2,BOOLVAR2,no-BOOLVAR2
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	63 Where VALn must be a positive integer. The list of variables is in the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	64 UPARAM_NAMES vector, below. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	65
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	66 /* Default parameters. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	67 #define DUP_ARGS 0 /* True if option argument can be duplicated. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	68 #define DUP_ARGS_NOTE 1 /* True to print a note about duplicate args. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	69 #define SHORT_OPT_COL 2 /* column in which short options start */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	70 #define LONG_OPT_COL 6 /* column in which long options start */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	71 #define DOC_OPT_COL 2 /* column in which doc options start */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	72 #define OPT_DOC_COL 29 /* column in which option text starts */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	73 #define HEADER_COL 1 /* column in which group headers are printed */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	74 #define USAGE_INDENT 12 /* indentation of wrapped usage lines */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	75 #define RMARGIN 79 /* right margin used for wrapping */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	76
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	77 /* User-selectable (using an environment variable) formatting parameters.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	78 They must all be of type `int' for the parsing code to work. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	79 struct uparams
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	80 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	81 /* If true, arguments for an option are shown with both short and long
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	82 options, even when a given option has both, e.g. `-x ARG, --longx=ARG'.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	83 If false, then if an option has both, the argument is only shown with
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	84 the long one, e.g., `-x, --longx=ARG', and a message indicating that
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	85 this really means both is printed below the options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	86 int dup_args;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	87
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	88 /* This is true if when DUP_ARGS is false, and some duplicate arguments have
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	89 been suppressed, an explanatory message should be printed. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	90 int dup_args_note;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	91
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	92 /* Various output columns. */
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	93 int short_opt_col; /* column in which short options start */
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	94 int long_opt_col; /* column in which long options start */
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	95 int doc_opt_col; /* column in which doc options start */
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	96 int opt_doc_col; /* column in which option text starts */
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	97 int header_col; /* column in which group headers are printed */
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	98 int usage_indent; /* indentation of wrapped usage lines */
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	99 int rmargin; /* right margin used for wrapping */
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	100
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	101 int valid; /* True when the values in here are valid. */
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	102 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	103
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	104 /* This is a global variable, as user options are only ever read once. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	105 static struct uparams uparams = {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	106 DUP_ARGS, DUP_ARGS_NOTE,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	107 SHORT_OPT_COL, LONG_OPT_COL, DOC_OPT_COL, OPT_DOC_COL, HEADER_COL,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	108 USAGE_INDENT, RMARGIN,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	109 0
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	110 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	111
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	112 /* A particular uparam, and what the user name is. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	113 struct uparam_name
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	114 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	115 const char name; / User name. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	116 int is_bool; /* Whether it's `boolean'. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	117 size_t uparams_offs; /* Location of the (int) field in UPARAMS. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	118 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	119
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	120 /* The name-field mappings we know about. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	121 static const struct uparam_name uparam_names[] =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	122 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	123 { "dup-args", 1, offsetof (struct uparams, dup_args) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	124 { "dup-args-note", 1, offsetof (struct uparams, dup_args_note) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	125 { "short-opt-col", 0, offsetof (struct uparams, short_opt_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	126 { "long-opt-col", 0, offsetof (struct uparams, long_opt_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	127 { "doc-opt-col", 0, offsetof (struct uparams, doc_opt_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	128 { "opt-doc-col", 0, offsetof (struct uparams, opt_doc_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	129 { "header-col", 0, offsetof (struct uparams, header_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	130 { "usage-indent", 0, offsetof (struct uparams, usage_indent) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	131 { "rmargin", 0, offsetof (struct uparams, rmargin) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	132 { 0 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	133 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	134
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	135 static void
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	136 validate_uparams (const struct argp_state state, struct uparams upptr)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	137 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	138 const struct uparam_name *up;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	139
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	140 for (up = uparam_names; up->name; up++)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	141 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	142 if (up->is_bool
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	143 \|\| up->uparams_offs == offsetof (struct uparams, rmargin))
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	144 continue;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	145 if ((int )((char *)upptr + up->uparams_offs) >= upptr->rmargin)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	146 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	147 __argp_failure (state, 0, 0,
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	148 dgettext (state->root_argp->argp_domain,
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	149 "\
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	150 ARGP_HELP_FMT: %s value is less then or equal to %s"),
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	151 "rmargin", up->name);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	152 return;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	153 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	154 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	155 uparams = *upptr;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	156 uparams.valid = 1;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	157 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	158
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	159 /* Read user options from the environment, and fill in UPARAMS appropiately. */
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	160 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	161 fill_in_uparams (const struct argp_state *state)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	162 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	163 const char *var = getenv ("ARGP_HELP_FMT");
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	164 struct uparams new_params = uparams;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	165
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	166 #define SKIPWS(p) do { while (isspace (*p)) p++; } while (0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	167
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	168 if (var)
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	169 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	170 /* Parse var. */
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	171 while (*var)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	172 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	173 SKIPWS (var);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	174
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	175 if (isalpha (*var))
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	176 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	177 size_t var_len;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	178 const struct uparam_name *un;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	179 int unspec = 0, val = 0;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	180 const char *arg = var;
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	181
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	182 while (isalnum (arg) \|\| arg == '-' \|\| *arg == '_')
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	183 arg++;
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	184 var_len = arg - var;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	185
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	186 SKIPWS (arg);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	187
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	188 if (arg == '\0' \|\| arg == ',')
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	189 unspec = 1;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	190 else if (*arg == '=')
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	191 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	192 arg++;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	193 SKIPWS (arg);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	194 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	195
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	196 if (unspec)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	197 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	198 if (var[0] == 'n' && var[1] == 'o' && var[2] == '-')
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	199 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	200 val = 0;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	201 var += 3;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	202 var_len -= 3;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	203 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	204 else
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	205 val = 1;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	206 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	207 else if (isdigit (*arg))
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	208 {
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	209 val = atoi (arg);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	210 while (isdigit (*arg))
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	211 arg++;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	212 SKIPWS (arg);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	213 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	214
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	215 for (un = uparam_names; un->name; un++)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	216 if (strlen (un->name) == var_len
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	217 && strncmp (var, un->name, var_len) == 0)
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	218 {
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	219 if (unspec && !un->is_bool)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	220 __argp_failure (state, 0, 0,
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	221 dgettext (state->root_argp->argp_domain,
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	222 "\
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	223 %.*s: ARGP_HELP_FMT parameter requires a value"),
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	224 (int) var_len, var);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	225 else if (val < 0)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	226 __argp_failure (state, 0, 0,
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	227 dgettext (state->root_argp->argp_domain,
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	228 "\
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	229 %.*s: ARGP_HELP_FMT parameter must be positive"),
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	230 (int) var_len, var);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	231 else
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	232 (int )((char *)&new_params + un->uparams_offs) = val;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	233 break;
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	234 }
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	235 if (! un->name)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	236 __argp_failure (state, 0, 0,
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	237 dgettext (state->root_argp->argp_domain, "\
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	238 %.*s: Unknown ARGP_HELP_FMT parameter"),
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	239 (int) var_len, var);
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	240
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	241 var = arg;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	242 if (*var == ',')
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	243 var++;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	244 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	245 else if (*var)
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	246 {
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	247 __argp_failure (state, 0, 0,
6484 0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	248 dgettext (state->root_argp->argp_domain,
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	249 "Garbage in ARGP_HELP_FMT: %s"), var);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	250 break;
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	251 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	252 }
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	253 validate_uparams (state, &new_params);
0346b7d45837 (fill_in_uparams): Check if the constructed Sergey Poznyakoff <gray@gnu.org.ua> parents: 6473 diff changeset	254 }
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	255 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	256
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	257 /* Returns true if OPT hasn't been marked invisible. Visibility only affects
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	258 whether OPT is displayed or used in sorting, not option shadowing. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	259 #define ovisible(opt) (! ((opt)->flags & OPTION_HIDDEN))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	260
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	261 /* Returns true if OPT is an alias for an earlier option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	262 #define oalias(opt) ((opt)->flags & OPTION_ALIAS)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	263
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	264 /* Returns true if OPT is an documentation-only entry. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	265 #define odoc(opt) ((opt)->flags & OPTION_DOC)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	266
5276 ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	267 /* Returns true if OPT should not be translated */
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	268 #define onotrans(opt) ((opt)->flags & OPTION_NO_TRANS)
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	269
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	270 /* Returns true if OPT is the end-of-list marker for a list of options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	271 #define oend(opt) __option_is_end (opt)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	272
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	273 /* Returns true if OPT has a short option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	274 #define oshort(opt) __option_is_short (opt)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	275
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	276 /*
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	277 The help format for a particular option is like:
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	278
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	279 -xARG, -yARG, --long1=ARG, --long2=ARG Documentation...
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	280
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	281 Where ARG will be omitted if there's no argument, for this option, or
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	282 will be surrounded by "[" and "]" appropiately if the argument is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	283 optional. The documentation string is word-wrapped appropiately, and if
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	284 the list of options is long enough, it will be started on a separate line.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	285 If there are no short options for a given option, the first long option is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	286 indented slighly in a way that's supposed to make most long options appear
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	287 to be in a separate column.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	288
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	289 For example, the following output (from ps):
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	290
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	291 -p PID, --pid=PID List the process PID
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	292 --pgrp=PGRP List processes in the process group PGRP
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	293 -P, -x, --no-parent Include processes without parents
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	294 -Q, --all-fields Don't elide unusable fields (normally if there's
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	295 some reason ps can't print a field for any
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	296 process, it's removed from the output entirely)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	297 -r, --reverse, --gratuitously-long-reverse-option
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	298 Reverse the order of any sort
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	299 --session[=SID] Add the processes from the session SID (which
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	300 defaults to the sid of the current process)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	301
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	302 Here are some more options:
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	303 -f ZOT, --foonly=ZOT Glork a foonly
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	304 -z, --zaza Snit a zar
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	305
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	306 -?, --help Give this help list
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	307 --usage Give a short usage message
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	308 -V, --version Print program version
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	309
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	310 The struct argp_option array for the above could look like:
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	311
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	312 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	313 {"pid", 'p', "PID", 0, "List the process PID"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	314 {"pgrp", OPT_PGRP, "PGRP", 0, "List processes in the process group PGRP"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	315 {"no-parent", 'P', 0, 0, "Include processes without parents"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	316 {0, 'x', 0, OPTION_ALIAS},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	317 {"all-fields",'Q', 0, 0, "Don't elide unusable fields (normally"
4536 3358eb550c86 Leave whitespace alone when importing, undoing that part of yesterday's Paul Eggert <eggert@cs.ucla.edu> parents: 4533 diff changeset	318 " if there's some reason ps can't"
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	319 " print a field for any process, it's"
4536 3358eb550c86 Leave whitespace alone when importing, undoing that part of yesterday's Paul Eggert <eggert@cs.ucla.edu> parents: 4533 diff changeset	320 " removed from the output entirely)" },
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	321 {"reverse", 'r', 0, 0, "Reverse the order of any sort"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	322 {"gratuitously-long-reverse-option", 0, 0, OPTION_ALIAS},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	323 {"session", OPT_SESS, "SID", OPTION_ARG_OPTIONAL,
4536 3358eb550c86 Leave whitespace alone when importing, undoing that part of yesterday's Paul Eggert <eggert@cs.ucla.edu> parents: 4533 diff changeset	324 "Add the processes from the session"
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	325 " SID (which defaults to the sid of"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	326 " the current process)" },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	327
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	328 {0,0,0,0, "Here are some more options:"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	329 {"foonly", 'f', "ZOT", 0, "Glork a foonly"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	330 {"zaza", 'z', 0, 0, "Snit a zar"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	331
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	332 {0}
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	333 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	334
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	335 Note that the last three options are automatically supplied by argp_parse,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	336 unless you tell it not to with ARGP_NO_HELP.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	337
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	338 */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	339
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	340 /* Returns true if CH occurs between BEG and END. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	341 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	342 find_char (char ch, char beg, char end)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	343 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	344 while (beg < end)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	345 if (*beg == ch)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	346 return 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	347 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	348 beg++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	349 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	350 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	351
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	352 struct hol_cluster; /* fwd decl */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	353
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	354 struct hol_entry
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	355 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	356 /* First option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	357 const struct argp_option *opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	358 /* Number of options (including aliases). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	359 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	360
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	361 /* A pointers into the HOL's short_options field, to the first short option
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	362 letter for this entry. The order of the characters following this point
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	363 corresponds to the order of options pointed to by OPT, and there are at
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	364 most NUM. A short option recorded in a option following OPT is only
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	365 valid if it occurs in the right place in SHORT_OPTIONS (otherwise it's
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	366 probably been shadowed by some other entry). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	367 char *short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	368
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	369 /* Entries are sorted by their group first, in the order:
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	370 1, 2, ..., n, 0, -m, ..., -2, -1
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	371 and then alphabetically within each group. The default is 0. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	372 int group;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	373
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	374 /* The cluster of options this entry belongs to, or 0 if none. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	375 struct hol_cluster *cluster;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	376
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	377 /* The argp from which this option came. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	378 const struct argp *argp;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	379 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	380
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	381 /* A cluster of entries to reflect the argp tree structure. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	382 struct hol_cluster
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	383 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	384 /* A descriptive header printed before options in this cluster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	385 const char *header;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	386
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	387 /* Used to order clusters within the same group with the same parent,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	388 according to the order in which they occurred in the parent argp's child
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	389 list. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	390 int index;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	391
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	392 /* How to sort this cluster with respect to options and other clusters at the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	393 same depth (clusters always follow options in the same group). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	394 int group;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	395
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	396 /* The cluster to which this cluster belongs, or 0 if it's at the base
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	397 level. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	398 struct hol_cluster *parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	399
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	400 /* The argp from which this cluster is (eventually) derived. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	401 const struct argp *argp;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	402
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	403 /* The distance this cluster is from the root. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	404 int depth;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	405
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	406 /* Clusters in a given hol are kept in a linked list, to make freeing them
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	407 possible. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	408 struct hol_cluster *next;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	409 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	410
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	411 /* A list of options for help. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	412 struct hol
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	413 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	414 /* An array of hol_entry's. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	415 struct hol_entry *entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	416 /* The number of entries in this hol. If this field is zero, the others
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	417 are undefined. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	418 unsigned num_entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	419
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	420 /* A string containing all short options in this HOL. Each entry contains
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	421 pointers into this string, so the order can't be messed with blindly. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	422 char *short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	423
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	424 /* Clusters of entries in this hol. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	425 struct hol_cluster *clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	426 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	427
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	428 /* Create a struct hol from the options in ARGP. CLUSTER is the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	429 hol_cluster in which these entries occur, or 0, if at the root. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	430 static struct hol *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	431 make_hol (const struct argp argp, struct hol_cluster cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	432 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	433 char *so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	434 const struct argp_option *o;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	435 const struct argp_option *opts = argp->options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	436 struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	437 unsigned num_short_options = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	438 struct hol *hol = malloc (sizeof (struct hol));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	439
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	440 assert (hol);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	441
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	442 hol->num_entries = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	443 hol->clusters = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	444
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	445 if (opts)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	446 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	447 int cur_group = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	448
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	449 /* The first option must not be an alias. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	450 assert (! oalias (opts));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	451
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	452 /* Calculate the space needed. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	453 for (o = opts; ! oend (o); o++)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	454 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	455 if (! oalias (o))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	456 hol->num_entries++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	457 if (oshort (o))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	458 num_short_options++; /* This is an upper bound. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	459 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	460
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	461 hol->entries = malloc (sizeof (struct hol_entry) * hol->num_entries);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	462 hol->short_options = malloc (num_short_options + 1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	463
5000 fb87c5f96c33 update from glibc Karl Berry <karl@freefriends.org> parents: 4888 diff changeset	464 assert (hol->entries && hol->short_options);
5161 24371bb8c5a8 (make_hol, hol_append): Don't assume that Paul Eggert <eggert@cs.ucla.edu> parents: 5067 diff changeset	465 if (SIZE_MAX <= UINT_MAX)
24371bb8c5a8 (make_hol, hol_append): Don't assume that Paul Eggert <eggert@cs.ucla.edu> parents: 5067 diff changeset	466 assert (hol->num_entries <= SIZE_MAX / sizeof (struct hol_entry));
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	467
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	468 /* Fill in the entries. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	469 so = hol->short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	470 for (o = opts, entry = hol->entries; ! oend (o); entry++)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	471 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	472 entry->opt = o;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	473 entry->num = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	474 entry->short_options = so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	475 entry->group = cur_group =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	476 o->group
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	477 ? o->group
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	478 : ((!o->name && !o->key)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	479 ? cur_group + 1
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	480 : cur_group);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	481 entry->cluster = cluster;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	482 entry->argp = argp;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	483
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	484 do
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	485 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	486 entry->num++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	487 if (oshort (o) && ! find_char (o->key, hol->short_options, so))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	488 /* O has a valid short option which hasn't already been used.*/
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	489 *so++ = o->key;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	490 o++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	491 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	492 while (! oend (o) && oalias (o));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	493 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	494 so = '\0'; / null terminated so we can find the length */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	495 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	496
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	497 return hol;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	498 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	499
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	500 /* Add a new cluster to HOL, with the given GROUP and HEADER (taken from the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	501 associated argp child list entry), INDEX, and PARENT, and return a pointer
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	502 to it. ARGP is the argp that this cluster results from. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	503 static struct hol_cluster *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	504 hol_add_cluster (struct hol hol, int group, const char header, int index,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	505 struct hol_cluster parent, const struct argp argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	506 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	507 struct hol_cluster *cl = malloc (sizeof (struct hol_cluster));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	508 if (cl)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	509 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	510 cl->group = group;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	511 cl->header = header;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	512
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	513 cl->index = index;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	514 cl->parent = parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	515 cl->argp = argp;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	516 cl->depth = parent ? parent->depth + 1 : 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	517
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	518 cl->next = hol->clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	519 hol->clusters = cl;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	520 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	521 return cl;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	522 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	523
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	524 /* Free HOL and any resources it uses. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	525 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	526 hol_free (struct hol *hol)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	527 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	528 struct hol_cluster *cl = hol->clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	529
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	530 while (cl)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	531 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	532 struct hol_cluster *next = cl->next;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	533 free (cl);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	534 cl = next;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	535 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	536
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	537 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	538 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	539 free (hol->entries);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	540 free (hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	541 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	542
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	543 free (hol);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	544 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	545
4419 9b828c973b9d Get lib/argp* from glibc. Paul Eggert <eggert@cs.ucla.edu> parents: 4385 diff changeset	546 static int
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	547 hol_entry_short_iterate (const struct hol_entry *entry,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	548 int (func)(const struct argp_option opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	549 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	550 const char domain, void cookie),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	551 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	552 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	553 unsigned nopts;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	554 int val = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	555 const struct argp_option opt, real = entry->opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	556 char *so = entry->short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	557
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	558 for (opt = real, nopts = entry->num; nopts > 0 && !val; opt++, nopts--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	559 if (oshort (opt) && *so == opt->key)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	560 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	561 if (!oalias (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	562 real = opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	563 if (ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	564 val = (*func)(opt, real, domain, cookie);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	565 so++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	566 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	567
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	568 return val;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	569 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	570
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	571 static inline int
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	572 __attribute__ ((always_inline))
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	573 hol_entry_long_iterate (const struct hol_entry *entry,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	574 int (func)(const struct argp_option opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	575 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	576 const char domain, void cookie),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	577 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	578 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	579 unsigned nopts;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	580 int val = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	581 const struct argp_option opt, real = entry->opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	582
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	583 for (opt = real, nopts = entry->num; nopts > 0 && !val; opt++, nopts--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	584 if (opt->name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	585 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	586 if (!oalias (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	587 real = opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	588 if (ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	589 val = (*func)(opt, real, domain, cookie);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	590 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	591
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	592 return val;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	593 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	594
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	595 /* Iterator that returns true for the first short option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	596 static inline int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	597 until_short (const struct argp_option opt, const struct argp_option real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	598 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	599 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	600 return oshort (opt) ? opt->key : 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	601 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	602
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	603 /* Returns the first valid short option in ENTRY, or 0 if there is none. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	604 static char
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	605 hol_entry_first_short (const struct hol_entry *entry)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	606 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	607 return hol_entry_short_iterate (entry, until_short,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	608 entry->argp->argp_domain, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	609 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	610
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	611 /* Returns the first valid long option in ENTRY, or 0 if there is none. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	612 static const char *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	613 hol_entry_first_long (const struct hol_entry *entry)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	614 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	615 const struct argp_option *opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	616 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	617 for (opt = entry->opt, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	618 if (opt->name && ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	619 return opt->name;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	620 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	621 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	622
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	623 /* Returns the entry in HOL with the long option name NAME, or 0 if there is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	624 none. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	625 static struct hol_entry *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	626 hol_find_entry (struct hol hol, const char name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	627 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	628 struct hol_entry *entry = hol->entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	629 unsigned num_entries = hol->num_entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	630
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	631 while (num_entries-- > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	632 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	633 const struct argp_option *opt = entry->opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	634 unsigned num_opts = entry->num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	635
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	636 while (num_opts-- > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	637 if (opt->name && ovisible (opt) && strcmp (opt->name, name) == 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	638 return entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	639 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	640 opt++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	641
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	642 entry++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	643 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	644
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	645 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	646 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	647
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	648 /* If an entry with the long option NAME occurs in HOL, set it's special
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	649 sort position to GROUP. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	650 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	651 hol_set_group (struct hol hol, const char name, int group)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	652 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	653 struct hol_entry *entry = hol_find_entry (hol, name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	654 if (entry)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	655 entry->group = group;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	656 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	657
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	658 /* Order by group: 0, 1, 2, ..., n, -m, ..., -2, -1.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	659 EQ is what to return if GROUP1 and GROUP2 are the same. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	660 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	661 group_cmp (int group1, int group2, int eq)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	662 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	663 if (group1 == group2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	664 return eq;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	665 else if ((group1 < 0 && group2 < 0) \|\| (group1 >= 0 && group2 >= 0))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	666 return group1 - group2;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	667 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	668 return group2 - group1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	669 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	670
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	671 /* Compare clusters CL1 & CL2 by the order that they should appear in
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	672 output. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	673 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	674 hol_cluster_cmp (const struct hol_cluster cl1, const struct hol_cluster cl2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	675 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	676 /* If one cluster is deeper than the other, use its ancestor at the same
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	677 level, so that finding the common ancestor is straightforward. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	678 while (cl1->depth < cl2->depth)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	679 cl1 = cl1->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	680 while (cl2->depth < cl1->depth)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	681 cl2 = cl2->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	682
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	683 /* Now reduce both clusters to their ancestors at the point where both have
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	684 a common parent; these can be directly compared. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	685 while (cl1->parent != cl2->parent)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	686 cl1 = cl1->parent, cl2 = cl2->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	687
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	688 return group_cmp (cl1->group, cl2->group, cl2->index - cl1->index);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	689 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	690
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	691 /* Return the ancestor of CL that's just below the root (i.e., has a parent
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	692 of 0). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	693 static struct hol_cluster *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	694 hol_cluster_base (struct hol_cluster *cl)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	695 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	696 while (cl->parent)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	697 cl = cl->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	698 return cl;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	699 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	700
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	701 /* Return true if CL1 is a child of CL2. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	702 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	703 hol_cluster_is_child (const struct hol_cluster *cl1,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	704 const struct hol_cluster *cl2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	705 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	706 while (cl1 && cl1 != cl2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	707 cl1 = cl1->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	708 return cl1 == cl2;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	709 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	710
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	711 /* Given the name of a OPTION_DOC option, modifies NAME to start at the tail
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	712 that should be used for comparisons, and returns true iff it should be
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	713 treated as a non-option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	714 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	715 canon_doc_option (const char **name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	716 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	717 int non_opt;
5276 ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	718
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	719 if (!*name)
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	720 non_opt = 1;
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	721 else
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	722 {
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	723 /* Skip initial whitespace. */
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	724 while (isspace (**name))
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	725 (*name)++;
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	726 /* Decide whether this looks like an option (leading `-') or not. */
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	727 non_opt = (**name != '-');
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	728 /* Skip until part of name used for sorting. */
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	729 while (name && !isalnum (name))
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	730 (*name)++;
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	731 }
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	732 return non_opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	733 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	734
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	735 /* Order ENTRY1 & ENTRY2 by the order which they should appear in a help
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	736 listing. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	737 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	738 hol_entry_cmp (const struct hol_entry *entry1,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	739 const struct hol_entry *entry2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	740 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	741 /* The group numbers by which the entries should be ordered; if either is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	742 in a cluster, then this is just the group within the cluster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	743 int group1 = entry1->group, group2 = entry2->group;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	744
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	745 if (entry1->cluster != entry2->cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	746 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	747 /* The entries are not within the same cluster, so we can't compare them
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	748 directly, we have to use the appropiate clustering level too. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	749 if (! entry1->cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	750 /* ENTRY1 is at the `base level', not in a cluster, so we have to
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	751 compare it's group number with that of the base cluster in which
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	752 ENTRY2 resides. Note that if they're in the same group, the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	753 clustered option always comes laster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	754 return group_cmp (group1, hol_cluster_base (entry2->cluster)->group, -1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	755 else if (! entry2->cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	756 /* Likewise, but ENTRY2's not in a cluster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	757 return group_cmp (hol_cluster_base (entry1->cluster)->group, group2, 1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	758 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	759 /* Both entries are in clusters, we can just compare the clusters. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	760 return hol_cluster_cmp (entry1->cluster, entry2->cluster);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	761 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	762 else if (group1 == group2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	763 /* The entries are both in the same cluster and group, so compare them
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	764 alphabetically. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	765 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	766 int short1 = hol_entry_first_short (entry1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	767 int short2 = hol_entry_first_short (entry2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	768 int doc1 = odoc (entry1->opt);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	769 int doc2 = odoc (entry2->opt);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	770 const char *long1 = hol_entry_first_long (entry1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	771 const char *long2 = hol_entry_first_long (entry2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	772
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	773 if (doc1)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	774 doc1 = canon_doc_option (&long1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	775 if (doc2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	776 doc2 = canon_doc_option (&long2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	777
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	778 if (doc1 != doc2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	779 /* `documentation' options always follow normal options (or
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	780 documentation options that look like normal options). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	781 return doc1 - doc2;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	782 else if (!short1 && !short2 && long1 && long2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	783 /* Only long options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	784 return __strcasecmp (long1, long2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	785 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	786 /* Compare short/short, long/short, short/long, using the first
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	787 character of long options. Entries without any valid
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	788 options (such as options with OPTION_HIDDEN set) will be put
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	789 first, but as they're not displayed, it doesn't matter where
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	790 they are. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	791 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	792 char first1 = short1 ? short1 : long1 ? *long1 : 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	793 char first2 = short2 ? short2 : long2 ? *long2 : 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	794 #ifdef _tolower
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	795 int lower_cmp = _tolower (first1) - _tolower (first2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	796 #else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	797 int lower_cmp = tolower (first1) - tolower (first2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	798 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	799 /* Compare ignoring case, except when the options are both the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	800 same letter, in which case lower-case always comes first. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	801 return lower_cmp ? lower_cmp : first2 - first1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	802 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	803 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	804 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	805 /* Within the same cluster, but not the same group, so just compare
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	806 groups. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	807 return group_cmp (group1, group2, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	808 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	809
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	810 /* Version of hol_entry_cmp with correct signature for qsort. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	811 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	812 hol_entry_qcmp (const void entry1_v, const void entry2_v)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	813 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	814 return hol_entry_cmp (entry1_v, entry2_v);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	815 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	816
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	817 /* Sort HOL by group and alphabetically by option name (with short options
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	818 taking precedence over long). Since the sorting is for display purposes
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	819 only, the shadowing of options isn't effected. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	820 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	821 hol_sort (struct hol *hol)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	822 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	823 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	824 qsort (hol->entries, hol->num_entries, sizeof (struct hol_entry),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	825 hol_entry_qcmp);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	826 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	827
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	828 /* Append MORE to HOL, destroying MORE in the process. Options in HOL shadow
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	829 any in MORE with the same name. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	830 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	831 hol_append (struct hol hol, struct hol more)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	832 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	833 struct hol_cluster **cl_end = &hol->clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	834
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	835 /* Steal MORE's cluster list, and add it to the end of HOL's. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	836 while (*cl_end)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	837 cl_end = &(*cl_end)->next;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	838 *cl_end = more->clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	839 more->clusters = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	840
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	841 /* Merge entries. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	842 if (more->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	843 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	844 if (hol->num_entries == 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	845 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	846 hol->num_entries = more->num_entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	847 hol->entries = more->entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	848 hol->short_options = more->short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	849 more->num_entries = 0; /* Mark MORE's fields as invalid. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	850 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	851 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	852 /* Append the entries in MORE to those in HOL, taking care to only add
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	853 non-shadowed SHORT_OPTIONS values. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	854 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	855 unsigned left;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	856 char so, more_so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	857 struct hol_entry *e;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	858 unsigned num_entries = hol->num_entries + more->num_entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	859 struct hol_entry *entries =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	860 malloc (num_entries * sizeof (struct hol_entry));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	861 unsigned hol_so_len = strlen (hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	862 char *short_options =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	863 malloc (hol_so_len + strlen (more->short_options) + 1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	864
5000 fb87c5f96c33 update from glibc Karl Berry <karl@freefriends.org> parents: 4888 diff changeset	865 assert (entries && short_options);
5161 24371bb8c5a8 (make_hol, hol_append): Don't assume that Paul Eggert <eggert@cs.ucla.edu> parents: 5067 diff changeset	866 if (SIZE_MAX <= UINT_MAX)
24371bb8c5a8 (make_hol, hol_append): Don't assume that Paul Eggert <eggert@cs.ucla.edu> parents: 5067 diff changeset	867 assert (num_entries <= SIZE_MAX / sizeof (struct hol_entry));
4736 60f76c3e517a updates from libc,automake Karl Berry <karl@freefriends.org> parents: 4536 diff changeset	868
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	869 __mempcpy (__mempcpy (entries, hol->entries,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	870 hol->num_entries * sizeof (struct hol_entry)),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	871 more->entries,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	872 more->num_entries * sizeof (struct hol_entry));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	873
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	874 __mempcpy (short_options, hol->short_options, hol_so_len);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	875
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	876 /* Fix up the short options pointers from HOL. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	877 for (e = entries, left = hol->num_entries; left > 0; e++, left--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	878 e->short_options += (short_options - hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	879
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	880 /* Now add the short options from MORE, fixing up its entries
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	881 too. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	882 so = short_options + hol_so_len;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	883 more_so = more->short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	884 for (left = more->num_entries; left > 0; e++, left--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	885 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	886 int opts_left;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	887 const struct argp_option *opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	888
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	889 e->short_options = so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	890
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	891 for (opts_left = e->num, opt = e->opt; opts_left; opt++, opts_left--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	892 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	893 int ch = *more_so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	894 if (oshort (opt) && ch == opt->key)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	895 /* The next short option in MORE_SO, CH, is from OPT. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	896 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	897 if (! find_char (ch, short_options,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	898 short_options + hol_so_len))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	899 /* The short option CH isn't shadowed by HOL's options,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	900 so add it to the sum. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	901 *so++ = ch;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	902 more_so++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	903 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	904 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	905 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	906
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	907 *so = '\0';
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	908
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	909 free (hol->entries);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	910 free (hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	911
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	912 hol->entries = entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	913 hol->num_entries = num_entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	914 hol->short_options = short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	915 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	916 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	917
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	918 hol_free (more);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	919 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	920
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	921 /* Inserts enough spaces to make sure STREAM is at column COL. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	922 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	923 indent_to (argp_fmtstream_t stream, unsigned col)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	924 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	925 int needed = col - __argp_fmtstream_point (stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	926 while (needed-- > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	927 __argp_fmtstream_putc (stream, ' ');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	928 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	929
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	930 /* Output to STREAM either a space, or a newline if there isn't room for at
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	931 least ENSURE characters before the right margin. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	932 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	933 space (argp_fmtstream_t stream, size_t ensure)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	934 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	935 if (__argp_fmtstream_point (stream) + ensure
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	936 >= __argp_fmtstream_rmargin (stream))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	937 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	938 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	939 __argp_fmtstream_putc (stream, ' ');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	940 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	941
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	942 /* If the option REAL has an argument, we print it in using the printf
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	943 format REQ_FMT or OPT_FMT depending on whether it's a required or
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	944 optional argument. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	945 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	946 arg (const struct argp_option real, const char req_fmt, const char *opt_fmt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	947 const char *domain, argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	948 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	949 if (real->arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	950 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	951 if (real->flags & OPTION_ARG_OPTIONAL)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	952 __argp_fmtstream_printf (stream, opt_fmt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	953 dgettext (domain, real->arg));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	954 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	955 __argp_fmtstream_printf (stream, req_fmt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	956 dgettext (domain, real->arg));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	957 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	958 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	959
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	960 /* Helper functions for hol_entry_help. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	961
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	962 /* State used during the execution of hol_help. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	963 struct hol_help_state
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	964 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	965 /* PREV_ENTRY should contain the previous entry printed, or 0. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	966 struct hol_entry *prev_entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	967
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	968 /* If an entry is in a different group from the previous one, and SEP_GROUPS
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	969 is true, then a blank line will be printed before any output. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	970 int sep_groups;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	971
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	972 /* True if a duplicate option argument was suppressed (only ever set if
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	973 UPARAMS.dup_args is false). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	974 int suppressed_dup_arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	975 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	976
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	977 /* Some state used while printing a help entry (used to communicate with
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	978 helper functions). See the doc for hol_entry_help for more info, as most
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	979 of the fields are copied from its arguments. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	980 struct pentry_state
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	981 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	982 const struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	983 argp_fmtstream_t stream;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	984 struct hol_help_state *hhstate;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	985
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	986 /* True if nothing's been printed so far. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	987 int first;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	988
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	989 /* If non-zero, the state that was used to print this help. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	990 const struct argp_state *state;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	991 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	992
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	993 /* If a user doc filter should be applied to DOC, do so. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	994 static const char *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	995 filter_doc (const char doc, int key, const struct argp argp,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	996 const struct argp_state *state)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	997 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	998 if (argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	999 /* We must apply a user filter to this output. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1000 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1001 void *input = __argp_input (argp, state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1002 return (*argp->help_filter) (key, doc, input);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1003 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1004 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1005 /* No filter. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1006 return doc;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1007 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1008
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1009 /* Prints STR as a header line, with the margin lines set appropiately, and
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1010 notes the fact that groups should be separated with a blank line. ARGP is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1011 the argp that should dictate any user doc filtering to take place. Note
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1012 that the previous wrap margin isn't restored, but the left margin is reset
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1013 to 0. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1014 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1015 print_header (const char str, const struct argp argp,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1016 struct pentry_state *pest)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1017 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1018 const char *tstr = dgettext (argp->argp_domain, str);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1019 const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_HEADER, argp, pest->state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1020
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1021 if (fstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1022 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1023 if (*fstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1024 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1025 if (pest->hhstate->prev_entry)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1026 /* Precede with a blank line. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1027 __argp_fmtstream_putc (pest->stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1028 indent_to (pest->stream, uparams.header_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1029 __argp_fmtstream_set_lmargin (pest->stream, uparams.header_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1030 __argp_fmtstream_set_wmargin (pest->stream, uparams.header_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1031 __argp_fmtstream_puts (pest->stream, fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1032 __argp_fmtstream_set_lmargin (pest->stream, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1033 __argp_fmtstream_putc (pest->stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1034 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1035
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1036 pest->hhstate->sep_groups = 1; /* Separate subsequent groups. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1037 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1038
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1039 if (fstr != tstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1040 free ((char *) fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1041 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1042
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1043 /* Inserts a comma if this isn't the first item on the line, and then makes
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1044 sure we're at least to column COL. If this is the first item on a line,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1045 prints any pending whitespace/headers that should precede this line. Also
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1046 clears FIRST. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1047 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1048 comma (unsigned col, struct pentry_state *pest)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1049 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1050 if (pest->first)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1051 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1052 const struct hol_entry *pe = pest->hhstate->prev_entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1053 const struct hol_cluster *cl = pest->entry->cluster;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1054
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1055 if (pest->hhstate->sep_groups && pe && pest->entry->group != pe->group)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1056 __argp_fmtstream_putc (pest->stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1057
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1058 if (cl && cl->header && *cl->header
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1059 && (!pe
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1060 \|\| (pe->cluster != cl
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1061 && !hol_cluster_is_child (pe->cluster, cl))))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1062 /* If we're changing clusters, then this must be the start of the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1063 ENTRY's cluster unless that is an ancestor of the previous one
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1064 (in which case we had just popped into a sub-cluster for a bit).
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1065 If so, then print the cluster's header line. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1066 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1067 int old_wm = __argp_fmtstream_wmargin (pest->stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1068 print_header (cl->header, cl->argp, pest);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1069 __argp_fmtstream_set_wmargin (pest->stream, old_wm);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1070 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1071
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1072 pest->first = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1073 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1074 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1075 __argp_fmtstream_puts (pest->stream, ", ");
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1076
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1077 indent_to (pest->stream, col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1078 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1079
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1080 /* Print help for ENTRY to STREAM. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1081 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1082 hol_entry_help (struct hol_entry entry, const struct argp_state state,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1083 argp_fmtstream_t stream, struct hol_help_state *hhstate)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1084 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1085 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1086 const struct argp_option real = entry->opt, opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1087 char *so = entry->short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1088 int have_long_opt = 0; /* We have any long options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1089 /* Saved margins. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1090 int old_lm = __argp_fmtstream_set_lmargin (stream, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1091 int old_wm = __argp_fmtstream_wmargin (stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1092 /* PEST is a state block holding some of our variables that we'd like to
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1093 share with helper functions. */
5616 468bfd52146d Avoid using non-constant initializers for struct pentry_state. Sergey Poznyakoff <gray@gnu.org.ua> parents: 5276 diff changeset	1094 struct pentry_state pest;
468bfd52146d Avoid using non-constant initializers for struct pentry_state. Sergey Poznyakoff <gray@gnu.org.ua> parents: 5276 diff changeset	1095
468bfd52146d Avoid using non-constant initializers for struct pentry_state. Sergey Poznyakoff <gray@gnu.org.ua> parents: 5276 diff changeset	1096 pest.entry = entry;
468bfd52146d Avoid using non-constant initializers for struct pentry_state. Sergey Poznyakoff <gray@gnu.org.ua> parents: 5276 diff changeset	1097 pest.stream = stream;
468bfd52146d Avoid using non-constant initializers for struct pentry_state. Sergey Poznyakoff <gray@gnu.org.ua> parents: 5276 diff changeset	1098 pest.hhstate = hhstate;
468bfd52146d Avoid using non-constant initializers for struct pentry_state. Sergey Poznyakoff <gray@gnu.org.ua> parents: 5276 diff changeset	1099 pest.first = 1;
468bfd52146d Avoid using non-constant initializers for struct pentry_state. Sergey Poznyakoff <gray@gnu.org.ua> parents: 5276 diff changeset	1100 pest.state = state;
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1101
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1102 if (! odoc (real))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1103 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1104 if (opt->name && ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1105 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1106 have_long_opt = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1107 break;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1108 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1109
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1110 /* First emit short options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1111 __argp_fmtstream_set_wmargin (stream, uparams.short_opt_col); /* For truly bizarre cases. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1112 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1113 if (oshort (opt) && opt->key == *so)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1114 /* OPT has a valid (non shadowed) short option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1115 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1116 if (ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1117 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1118 comma (uparams.short_opt_col, &pest);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1119 __argp_fmtstream_putc (stream, '-');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1120 __argp_fmtstream_putc (stream, *so);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1121 if (!have_long_opt \|\| uparams.dup_args)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1122 arg (real, " %s", "[%s]", state->root_argp->argp_domain, stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1123 else if (real->arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1124 hhstate->suppressed_dup_arg = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1125 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1126 so++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1127 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1128
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1129 /* Now, long options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1130 if (odoc (real))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1131 /* A `documentation' option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1132 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1133 __argp_fmtstream_set_wmargin (stream, uparams.doc_opt_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1134 for (opt = real, num = entry->num; num > 0; opt++, num--)
5276 ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	1135 if (opt->name && *opt->name && ovisible (opt))
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1136 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1137 comma (uparams.doc_opt_col, &pest);
5276 ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	1138 /* Calling dgettext here isn't quite right, since sorting will
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1139 have been done on the original; but documentation options
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1140 should be pretty rare anyway... */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1141 __argp_fmtstream_puts (stream,
5276 ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	1142 onotrans (opt) ?
ce6b492917db (canon_doc_option): Fixed coredump if name==NULL Paul Eggert <eggert@cs.ucla.edu>* parents: 5187 diff changeset	1143 opt->name :
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1144 dgettext (state->root_argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1145 opt->name));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1146 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1147 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1148 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1149 /* A real long option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1150 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1151 int first_long_opt = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1152
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1153 __argp_fmtstream_set_wmargin (stream, uparams.long_opt_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1154 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1155 if (opt->name && ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1156 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1157 comma (uparams.long_opt_col, &pest);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1158 __argp_fmtstream_printf (stream, "--%s", opt->name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1159 if (first_long_opt \|\| uparams.dup_args)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1160 arg (real, "=%s", "[=%s]", state->root_argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1161 stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1162 else if (real->arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1163 hhstate->suppressed_dup_arg = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1164 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1165 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1166
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1167 /* Next, documentation strings. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1168 __argp_fmtstream_set_lmargin (stream, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1169
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1170 if (pest.first)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1171 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1172 /* Didn't print any switches, what's up? */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1173 if (!oshort (real) && !real->name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1174 /* This is a group header, print it nicely. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1175 print_header (real->doc, entry->argp, &pest);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1176 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1177 /* Just a totally shadowed option or null header; print nothing. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1178 goto cleanup; /* Just return, after cleaning up. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1179 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1180 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1181 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1182 const char *tstr = real->doc ? dgettext (state->root_argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1183 real->doc) : 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1184 const char *fstr = filter_doc (tstr, real->key, entry->argp, state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1185 if (fstr && *fstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1186 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1187 unsigned int col = __argp_fmtstream_point (stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1188
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1189 __argp_fmtstream_set_lmargin (stream, uparams.opt_doc_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1190 __argp_fmtstream_set_wmargin (stream, uparams.opt_doc_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1191
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1192 if (col > (unsigned int) (uparams.opt_doc_col + 3))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1193 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1194 else if (col >= (unsigned int) uparams.opt_doc_col)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1195 __argp_fmtstream_puts (stream, " ");
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1196 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1197 indent_to (stream, uparams.opt_doc_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1198
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1199 __argp_fmtstream_puts (stream, fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1200 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1201 if (fstr && fstr != tstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1202 free ((char *) fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1203
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1204 /* Reset the left margin. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1205 __argp_fmtstream_set_lmargin (stream, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1206 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1207 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1208
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1209 hhstate->prev_entry = entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1210
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1211 cleanup:
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1212 __argp_fmtstream_set_lmargin (stream, old_lm);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1213 __argp_fmtstream_set_wmargin (stream, old_wm);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1214 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1215
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1216 /* Output a long help message about the options in HOL to STREAM. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1217 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1218 hol_help (struct hol hol, const struct argp_state state,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1219 argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1220 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1221 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1222 struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1223 struct hol_help_state hhstate = { 0, 0, 0 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1224
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1225 for (entry = hol->entries, num = hol->num_entries; num > 0; entry++, num--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1226 hol_entry_help (entry, state, stream, &hhstate);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1227
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1228 if (hhstate.suppressed_dup_arg && uparams.dup_args_note)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1229 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1230 const char *tstr = dgettext (state->root_argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1231 Mandatory or optional arguments to long options are also mandatory or \
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1232 optional for any corresponding short options.");
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1233 const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_DUP_ARGS_NOTE,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1234 state ? state->root_argp : 0, state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1235 if (fstr && *fstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1236 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1237 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1238 __argp_fmtstream_puts (stream, fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1239 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1240 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1241 if (fstr && fstr != tstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1242 free ((char *) fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1243 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1244 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1245
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1246 /* Helper functions for hol_usage. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1247
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1248 /* If OPT is a short option without an arg, append its key to the string
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1249 pointer pointer to by COOKIE, and advance the pointer. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1250 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1251 add_argless_short_opt (const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1252 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1253 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1254 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1255 char **snao_end = cookie;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1256 if (!(opt->arg \|\| real->arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1257 && !((opt->flags \| real->flags) & OPTION_NO_USAGE))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1258 (snao_end)++ = opt->key;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1259 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1260 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1261
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1262 /* If OPT is a short option with an arg, output a usage entry for it to the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1263 stream pointed at by COOKIE. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1264 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1265 usage_argful_short_opt (const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1266 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1267 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1268 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1269 argp_fmtstream_t stream = cookie;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1270 const char *arg = opt->arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1271 int flags = opt->flags \| real->flags;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1272
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1273 if (! arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1274 arg = real->arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1275
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1276 if (arg && !(flags & OPTION_NO_USAGE))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1277 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1278 arg = dgettext (domain, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1279
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1280 if (flags & OPTION_ARG_OPTIONAL)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1281 __argp_fmtstream_printf (stream, " [-%c[%s]]", opt->key, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1282 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1283 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1284 /* Manually do line wrapping so that it (probably) won't
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1285 get wrapped at the embedded space. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1286 space (stream, 6 + strlen (arg));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1287 __argp_fmtstream_printf (stream, "[-%c %s]", opt->key, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1288 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1289 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1290
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1291 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1292 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1293
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1294 /* Output a usage entry for the long option opt to the stream pointed at by
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1295 COOKIE. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1296 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1297 usage_long_opt (const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1298 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1299 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1300 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1301 argp_fmtstream_t stream = cookie;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1302 const char *arg = opt->arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1303 int flags = opt->flags \| real->flags;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1304
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1305 if (! arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1306 arg = real->arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1307
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1308 if (! (flags & OPTION_NO_USAGE))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1309 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1310 if (arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1311 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1312 arg = dgettext (domain, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1313 if (flags & OPTION_ARG_OPTIONAL)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1314 __argp_fmtstream_printf (stream, " [--%s[=%s]]", opt->name, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1315 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1316 __argp_fmtstream_printf (stream, " [--%s=%s]", opt->name, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1317 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1318 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1319 __argp_fmtstream_printf (stream, " [--%s]", opt->name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1320 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1321
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1322 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1323 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1324
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1325 /* Print a short usage description for the arguments in HOL to STREAM. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1326 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1327 hol_usage (struct hol *hol, argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1328 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1329 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1330 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1331 unsigned nentries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1332 struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1333 char *short_no_arg_opts = alloca (strlen (hol->short_options) + 1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1334 char *snao_end = short_no_arg_opts;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1335
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1336 /* First we put a list of short options without arguments. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1337 for (entry = hol->entries, nentries = hol->num_entries
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1338 ; nentries > 0
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1339 ; entry++, nentries--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1340 hol_entry_short_iterate (entry, add_argless_short_opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1341 entry->argp->argp_domain, &snao_end);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1342 if (snao_end > short_no_arg_opts)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1343 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1344 *snao_end++ = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1345 __argp_fmtstream_printf (stream, " [-%s]", short_no_arg_opts);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1346 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1347
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1348 /* Now a list of short options with arguments. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1349 for (entry = hol->entries, nentries = hol->num_entries
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1350 ; nentries > 0
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1351 ; entry++, nentries--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1352 hol_entry_short_iterate (entry, usage_argful_short_opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1353 entry->argp->argp_domain, stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1354
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1355 /* Finally, a list of long options (whew!). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1356 for (entry = hol->entries, nentries = hol->num_entries
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1357 ; nentries > 0
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1358 ; entry++, nentries--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1359 hol_entry_long_iterate (entry, usage_long_opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1360 entry->argp->argp_domain, stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1361 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1362 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1363
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1364 /* Make a HOL containing all levels of options in ARGP. CLUSTER is the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1365 cluster in which ARGP's entries should be clustered, or 0. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1366 static struct hol *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1367 argp_hol (const struct argp argp, struct hol_cluster cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1368 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1369 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1370 struct hol *hol = make_hol (argp, cluster);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1371 if (child)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1372 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1373 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1374 struct hol_cluster *child_cluster =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1375 ((child->group \|\| child->header)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1376 /* Put CHILD->argp within its own cluster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1377 ? hol_add_cluster (hol, child->group, child->header,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1378 child - argp->children, cluster, argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1379 /* Just merge it into the parent's cluster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1380 : cluster);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1381 hol_append (hol, argp_hol (child->argp, child_cluster)) ;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1382 child++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1383 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1384 return hol;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1385 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1386
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1387 /* Calculate how many different levels with alternative args strings exist in
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1388 ARGP. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1389 static size_t
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1390 argp_args_levels (const struct argp *argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1391 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1392 size_t levels = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1393 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1394
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1395 if (argp->args_doc && strchr (argp->args_doc, '\n'))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1396 levels++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1397
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1398 if (child)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1399 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1400 levels += argp_args_levels ((child++)->argp);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1401
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1402 return levels;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1403 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1404
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1405 /* Print all the non-option args documented in ARGP to STREAM. Any output is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1406 preceded by a space. LEVELS is a pointer to a byte vector the length
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1407 returned by argp_args_levels; it should be initialized to zero, and
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1408 updated by this routine for the next call if ADVANCE is true. True is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1409 returned as long as there are more patterns to output. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1410 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1411 argp_args_usage (const struct argp argp, const struct argp_state state,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1412 char **levels, int advance, argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1413 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1414 char our_level = levels;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1415 int multiple = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1416 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1417 const char tdoc = dgettext (argp->argp_domain, argp->args_doc), nl = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1418 const char *fdoc = filter_doc (tdoc, ARGP_KEY_HELP_ARGS_DOC, argp, state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1419
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1420 if (fdoc)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1421 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1422 const char *cp = fdoc;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1423 nl = __strchrnul (cp, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1424 if (*nl != '\0')
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1425 /* This is a `multi-level' args doc; advance to the correct position
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1426 as determined by our state in LEVELS, and update LEVELS. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1427 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1428 int i;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1429 multiple = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1430 for (i = 0; i < *our_level; i++)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1431 cp = nl + 1, nl = __strchrnul (cp, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1432 (*levels)++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1433 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1434
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1435 /* Manually do line wrapping so that it (probably) won't get wrapped at
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1436 any embedded spaces. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1437 space (stream, 1 + nl - cp);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1438
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1439 __argp_fmtstream_write (stream, cp, nl - cp);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1440 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1441 if (fdoc && fdoc != tdoc)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1442 free ((char )fdoc); / Free user's modified doc string. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1443
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1444 if (child)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1445 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1446 advance = !argp_args_usage ((child++)->argp, state, levels, advance, stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1447
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1448 if (advance && multiple)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1449 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1450 /* Need to increment our level. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1451 if (*nl)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1452 /* There's more we can do here. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1453 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1454 (*our_level)++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1455 advance = 0; /* Our parent shouldn't advance also. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1456 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1457 else if (*our_level > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1458 /* We had multiple levels, but used them up; reset to zero. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1459 *our_level = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1460 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1461
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1462 return !advance;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1463 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1464
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1465 /* Print the documentation for ARGP to STREAM; if POST is false, then
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1466 everything preceeding a `\v' character in the documentation strings (or
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1467 the whole string, for those with none) is printed, otherwise, everything
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1468 following the `\v' character (nothing for strings without). Each separate
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1469 bit of documentation is separated a blank line, and if PRE_BLANK is true,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1470 then the first is as well. If FIRST_ONLY is true, only the first
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1471 occurrence is output. Returns true if anything was output. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1472 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1473 argp_doc (const struct argp argp, const struct argp_state state,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1474 int post, int pre_blank, int first_only,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1475 argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1476 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1477 const char *text;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1478 const char *inp_text;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1479 void *input = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1480 int anything = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1481 size_t inp_text_limit = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1482 const char *doc = dgettext (argp->argp_domain, argp->doc);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1483 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1484
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1485 if (doc)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1486 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1487 char *vt = strchr (doc, '\v');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1488 inp_text = post ? (vt ? vt + 1 : 0) : doc;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1489 inp_text_limit = (!post && vt) ? (vt - doc) : 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1490 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1491 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1492 inp_text = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1493
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1494 if (argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1495 /* We have to filter the doc strings. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1496 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1497 if (inp_text_limit)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1498 /* Copy INP_TEXT so that it's nul-terminated. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1499 inp_text = __strndup (inp_text, inp_text_limit);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1500 input = __argp_input (argp, state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1501 text =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1502 (*argp->help_filter) (post
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1503 ? ARGP_KEY_HELP_POST_DOC
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1504 : ARGP_KEY_HELP_PRE_DOC,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1505 inp_text, input);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1506 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1507 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1508 text = (const char *) inp_text;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1509
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1510 if (text)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1511 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1512 if (pre_blank)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1513 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1514
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1515 if (text == inp_text && inp_text_limit)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1516 __argp_fmtstream_write (stream, inp_text, inp_text_limit);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1517 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1518 __argp_fmtstream_puts (stream, text);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1519
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1520 if (__argp_fmtstream_point (stream) > __argp_fmtstream_lmargin (stream))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1521 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1522
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1523 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1524 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1525
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1526 if (text && text != inp_text)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1527 free ((char ) text); / Free TEXT returned from the help filter. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1528 if (inp_text && inp_text_limit && argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1529 free ((char ) inp_text); / We copied INP_TEXT, so free it now. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1530
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1531 if (post && argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1532 /* Now see if we have to output a ARGP_KEY_HELP_EXTRA text. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1533 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1534 text = (*argp->help_filter) (ARGP_KEY_HELP_EXTRA, 0, input);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1535 if (text)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1536 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1537 if (anything \|\| pre_blank)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1538 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1539 __argp_fmtstream_puts (stream, text);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1540 free ((char *) text);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1541 if (__argp_fmtstream_point (stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1542 > __argp_fmtstream_lmargin (stream))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1543 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1544 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1545 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1546 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1547
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1548 if (child)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1549 while (child->argp && !(first_only && anything))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1550 anything \|=
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1551 argp_doc ((child++)->argp, state,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1552 post, anything \|\| pre_blank, first_only,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1553 stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1554
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1555 return anything;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1556 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1557
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1558 /* Output a usage message for ARGP to STREAM. If called from
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1559 argp_state_help, STATE is the relevent parsing state. FLAGS are from the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1560 set ARGP_HELP_*. NAME is what to use wherever a `program name' is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1561 needed. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1562 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1563 _help (const struct argp argp, const struct argp_state state, FILE *stream,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1564 unsigned flags, char *name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1565 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1566 int anything = 0; /* Whether we've output anything. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1567 struct hol *hol = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1568 argp_fmtstream_t fs;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1569
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1570 if (! stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1571 return;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1572
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1573 #if _LIBC \|\| (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1574 __flockfile (stream);
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1575 #endif
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1576
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1577 if (! uparams.valid)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1578 fill_in_uparams (state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1579
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1580 fs = __argp_make_fmtstream (stream, 0, uparams.rmargin, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1581 if (! fs)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1582 {
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1583 #if _LIBC \|\| (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1584 __funlockfile (stream);
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1585 #endif
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1586 return;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1587 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1588
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1589 if (flags & (ARGP_HELP_USAGE \| ARGP_HELP_SHORT_USAGE \| ARGP_HELP_LONG))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1590 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1591 hol = argp_hol (argp, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1592
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1593 /* If present, these options always come last. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1594 hol_set_group (hol, "help", -1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1595 hol_set_group (hol, "version", -1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1596
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1597 hol_sort (hol);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1598 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1599
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1600 if (flags & (ARGP_HELP_USAGE \| ARGP_HELP_SHORT_USAGE))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1601 /* Print a short `Usage:' message. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1602 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1603 int first_pattern = 1, more_patterns;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1604 size_t num_pattern_levels = argp_args_levels (argp);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1605 char *pattern_levels = alloca (num_pattern_levels);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1606
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1607 memset (pattern_levels, 0, num_pattern_levels);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1608
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1609 do
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1610 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1611 int old_lm;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1612 int old_wm = __argp_fmtstream_set_wmargin (fs, uparams.usage_indent);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1613 char *levels = pattern_levels;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1614
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1615 if (first_pattern)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1616 __argp_fmtstream_printf (fs, "%s %s",
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1617 dgettext (argp->argp_domain, "Usage:"),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1618 name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1619 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1620 __argp_fmtstream_printf (fs, "%s %s",
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1621 dgettext (argp->argp_domain, " or: "),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1622 name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1623
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1624 /* We set the lmargin as well as the wmargin, because hol_usage
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1625 manually wraps options with newline to avoid annoying breaks. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1626 old_lm = __argp_fmtstream_set_lmargin (fs, uparams.usage_indent);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1627
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1628 if (flags & ARGP_HELP_SHORT_USAGE)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1629 /* Just show where the options go. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1630 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1631 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1632 __argp_fmtstream_puts (fs, dgettext (argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1633 " [OPTION...]"));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1634 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1635 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1636 /* Actually print the options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1637 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1638 hol_usage (hol, fs);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1639 flags \|= ARGP_HELP_SHORT_USAGE; /* But only do so once. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1640 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1641
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1642 more_patterns = argp_args_usage (argp, state, &levels, 1, fs);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1643
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1644 __argp_fmtstream_set_wmargin (fs, old_wm);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1645 __argp_fmtstream_set_lmargin (fs, old_lm);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1646
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1647 __argp_fmtstream_putc (fs, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1648 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1649
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1650 first_pattern = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1651 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1652 while (more_patterns);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1653 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1654
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1655 if (flags & ARGP_HELP_PRE_DOC)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1656 anything \|= argp_doc (argp, state, 0, 0, 1, fs);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1657
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1658 if (flags & ARGP_HELP_SEE)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1659 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1660 __argp_fmtstream_printf (fs, dgettext (argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1661 Try `%s --help' or `%s --usage' for more information.\n"),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1662 name, name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1663 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1664 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1665
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1666 if (flags & ARGP_HELP_LONG)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1667 /* Print a long, detailed help message. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1668 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1669 /* Print info about all the options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1670 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1671 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1672 if (anything)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1673 __argp_fmtstream_putc (fs, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1674 hol_help (hol, state, fs);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1675 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1676 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1677 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1678
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1679 if (flags & ARGP_HELP_POST_DOC)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1680 /* Print any documentation strings at the end. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1681 anything \|= argp_doc (argp, state, 1, anything, 0, fs);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1682
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1683 if ((flags & ARGP_HELP_BUG_ADDR) && argp_program_bug_address)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1684 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1685 if (anything)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1686 __argp_fmtstream_putc (fs, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1687 __argp_fmtstream_printf (fs, dgettext (argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1688 "Report bugs to %s.\n"),
4536 3358eb550c86 Leave whitespace alone when importing, undoing that part of yesterday's Paul Eggert <eggert@cs.ucla.edu> parents: 4533 diff changeset	1689 argp_program_bug_address);
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1690 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1691 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1692
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1693 #if _LIBC \|\| (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1694 __funlockfile (stream);
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1695 #endif
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1696
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1697 if (hol)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1698 hol_free (hol);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1699
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1700 __argp_fmtstream_free (fs);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1701 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1702
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1703 /* Output a usage message for ARGP to STREAM. FLAGS are from the set
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1704 ARGP_HELP_. NAME is what to use wherever a `program name' is needed. /
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1705 void __argp_help (const struct argp argp, FILE stream,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1706 unsigned flags, char *name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1707 {
5634 df0a8c05ca58 (__argp_help): Create a fake struct argp_state and Sergey Poznyakoff <gray@gnu.org.ua> parents: 5620 diff changeset	1708 struct argp_state state;
df0a8c05ca58 (__argp_help): Create a fake struct argp_state and Sergey Poznyakoff <gray@gnu.org.ua> parents: 5620 diff changeset	1709 memset (&state, 0, sizeof state);
df0a8c05ca58 (__argp_help): Create a fake struct argp_state and Sergey Poznyakoff <gray@gnu.org.ua> parents: 5620 diff changeset	1710 state.root_argp = argp;
df0a8c05ca58 (__argp_help): Create a fake struct argp_state and Sergey Poznyakoff <gray@gnu.org.ua> parents: 5620 diff changeset	1711 _help (argp, &state, stream, flags, name);
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1712 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1713 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1714 weak_alias (__argp_help, argp_help)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1715 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1716
6473 39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1717 char *
39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1718 __argp_base_name (char *name)
39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1719 {
39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1720 char *p;
39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1721 for (p = name + strlen (name); p > name && !ISSLASH (p[-1]); p--)
39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1722 ;
39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1723 return p;
39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1724 }
39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1725
5187 5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1726 #if ! (defined _LIBC \|\| HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME)
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1727 char *
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1728 __argp_short_program_name (void)
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1729 {
5187 5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1730 # if HAVE_DECL_PROGRAM_INVOCATION_NAME
6473 39f26cf09cc9 (__argp_base_name): New function Sergey Poznyakoff <gray@gnu.org.ua> parents: 6259 diff changeset	1731 return __argp_base_name (program_invocation_name);
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1732 # else
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1733 /* FIXME: What now? Miles suggests that it is better to use NULL,
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1734 but currently the value is passed on directly to fputs_unlocked,
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1735 so that requires more changes. */
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1736 # if __GNUC__
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1737 # warning No reasonable value to return
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1738 # endif /* __GNUC__ */
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1739 return "";
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1740 # endif
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1741 }
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1742 #endif
0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1743
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1744 /* Output, if appropriate, a usage message for STATE to STREAM. FLAGS are
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1745 from the set ARGP_HELP_. /
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1746 void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1747 __argp_state_help (const struct argp_state state, FILE stream, unsigned flags)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1748 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1749 if ((!state \|\| ! (state->flags & ARGP_NO_ERRS)) && stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1750 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1751 if (state && (state->flags & ARGP_LONG_ONLY))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1752 flags \|= ARGP_HELP_LONG_ONLY;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1753
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1754 _help (state ? state->root_argp : 0, state, stream, flags,
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1755 state ? state->name : __argp_short_program_name ());
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1756
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1757 if (!state \|\| ! (state->flags & ARGP_NO_EXIT))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1758 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1759 if (flags & ARGP_HELP_EXIT_ERR)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1760 exit (argp_err_exit_status);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1761 if (flags & ARGP_HELP_EXIT_OK)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1762 exit (0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1763 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1764 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1765 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1766 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1767 weak_alias (__argp_state_help, argp_state_help)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1768 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1769
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1770 /* If appropriate, print the printf string FMT and following args, preceded
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1771 by the program name and `:', to stderr, and followed by a `Try ... --help'
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1772 message, then exit (1). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1773 void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1774 __argp_error (const struct argp_state state, const char fmt, ...)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1775 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1776 if (!state \|\| !(state->flags & ARGP_NO_ERRS))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1777 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1778 FILE *stream = state ? state->err_stream : stderr;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1779
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1780 if (stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1781 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1782 va_list ap;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1783
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1784 #if _LIBC \|\| (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1785 __flockfile (stream);
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1786 #endif
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1787
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1788 va_start (ap, fmt);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1789
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1790 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1791 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1792 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1793 char *buf;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1794
5620 da8bb7da9b79 (__argp_error): Check return value of __asprintf Sergey Poznyakoff <gray@gnu.org.ua> parents: 5616 diff changeset	1795 if (__asprintf (&buf, fmt, ap) < 0)
da8bb7da9b79 (__argp_error): Check return value of __asprintf Sergey Poznyakoff <gray@gnu.org.ua> parents: 5616 diff changeset	1796 buf = NULL;
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1797
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1798 __fwprintf (stream, L"%s: %s\n",
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1799 state ? state->name : __argp_short_program_name (),
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1800 buf);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1801
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1802 free (buf);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1803 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1804 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1805 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1806 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1807 fputs_unlocked (state
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1808 ? state->name : __argp_short_program_name (),
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1809 stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1810 putc_unlocked (':', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1811 putc_unlocked (' ', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1812
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1813 vfprintf (stream, fmt, ap);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1814
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1815 putc_unlocked ('\n', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1816 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1817
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1818 __argp_state_help (state, stream, ARGP_HELP_STD_ERR);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1819
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1820 va_end (ap);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1821
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1822 #if _LIBC \|\| (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1823 __funlockfile (stream);
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1824 #endif
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1825 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1826 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1827 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1828 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1829 weak_alias (__argp_error, argp_error)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1830 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1831
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1832 /* Similar to the standard gnu error-reporting function error(), but will
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1833 respect the ARGP_NO_EXIT and ARGP_NO_ERRS flags in STATE, and will print
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1834 to STATE->err_stream. This is useful for argument parsing code that is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1835 shared between program startup (when exiting is desired) and runtime
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1836 option parsing (when typically an error code is returned instead). The
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1837 difference between this function and argp_error is that the latter is for
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1838 parsing errors, and the former is for other problems that occur during
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1839 parsing but don't reflect a (syntactic) problem with the input. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1840 void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1841 __argp_failure (const struct argp_state *state, int status, int errnum,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1842 const char *fmt, ...)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1843 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1844 if (!state \|\| !(state->flags & ARGP_NO_ERRS))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1845 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1846 FILE *stream = state ? state->err_stream : stderr;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1847
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1848 if (stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1849 {
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1850 #if _LIBC \|\| (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1851 __flockfile (stream);
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1852 #endif
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1853
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1854 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1855 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1856 __fwprintf (stream, L"%s",
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1857 state ? state->name : __argp_short_program_name ());
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1858 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1859 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1860 fputs_unlocked (state
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1861 ? state->name : __argp_short_program_name (),
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1862 stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1863
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1864 if (fmt)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1865 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1866 va_list ap;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1867
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1868 va_start (ap, fmt);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1869 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1870 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1871 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1872 char *buf;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1873
5620 da8bb7da9b79 (__argp_error): Check return value of __asprintf Sergey Poznyakoff <gray@gnu.org.ua> parents: 5616 diff changeset	1874 if (__asprintf (&buf, fmt, ap) < 0)
da8bb7da9b79 (__argp_error): Check return value of __asprintf Sergey Poznyakoff <gray@gnu.org.ua> parents: 5616 diff changeset	1875 buf = NULL;
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1876
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1877 __fwprintf (stream, L": %s", buf);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1878
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1879 free (buf);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1880 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1881 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1882 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1883 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1884 putc_unlocked (':', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1885 putc_unlocked (' ', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1886
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1887 vfprintf (stream, fmt, ap);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1888 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1889
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1890 va_end (ap);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1891 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1892
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1893 if (errnum)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1894 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1895 char buf[200];
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1896
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1897 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1898 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1899 __fwprintf (stream, L": %s",
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1900 __strerror_r (errnum, buf, sizeof (buf)));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1901 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1902 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1903 {
5187 5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1904 char const *s = NULL;
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1905 putc_unlocked (':', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1906 putc_unlocked (' ', stream);
5187 5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1907 #if _LIBC \|\| (HAVE_DECL_STRERROR_R && STRERROR_R_CHAR_P)
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1908 s = __strerror_r (errnum, buf, sizeof buf);
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1909 #elif HAVE_DECL_STRERROR_R
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1910 if (__strerror_r (errnum, buf, sizeof buf) == 0)
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1911 s = buf;
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1912 #endif
5187 5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1913 #if !_LIBC
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1914 if (! s && ! (s = strerror (errnum)))
5620 da8bb7da9b79 (__argp_error): Check return value of __asprintf Sergey Poznyakoff <gray@gnu.org.ua> parents: 5616 diff changeset	1915 s = dgettext (state->root_argp->argp_domain,
da8bb7da9b79 (__argp_error): Check return value of __asprintf Sergey Poznyakoff <gray@gnu.org.ua> parents: 5616 diff changeset	1916 "Unknown system error");
5187 5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1917 #endif
5cb548b39529 Use "gettext.h" instead of its complicated substitute. Paul Eggert <eggert@cs.ucla.edu> parents: 5161 diff changeset	1918 fputs (s, stream);
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1919 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1920 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1921
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1922 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1923 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1924 putwc_unlocked (L'\n', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1925 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1926 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1927 putc_unlocked ('\n', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1928
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1929 #if _LIBC \|\| (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1930 __funlockfile (stream);
4767 0a9cf348c2ec argp update from libc Karl Berry <karl@freefriends.org> parents: 4736 diff changeset	1931 #endif
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1932
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1933 if (status && (!state \|\| !(state->flags & ARGP_NO_EXIT)))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1934 exit (status);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1935 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1936 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1937 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1938 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1939 weak_alias (__argp_failure, argp_failure)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1940 #endif

Mercurial > hg > octave-jordi > gnulib-hg

annotate lib/argp-help.c @ 6484:0346b7d45837