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

annotate lib/argp-help.c @ 4385:1c170fb33fa6

argp facility from glibc-20030610.

author	Bruno Haible <bruno@clisp.org>
date	Tue, 10 Jun 2003 11:19:46 +0000
parents
children	9b828c973b9d

rev	line source
4385 1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1 /* Hierarchial argument parsing help output
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	2 Copyright (C) 1995-2000, 2001, 2002 Free Software Foundation, Inc.
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	6 The GNU C Library is free software; you can redistribute it and/or
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	7 modify it under the terms of the GNU Lesser General Public
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	8 License as published by the Free Software Foundation; either
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	9 version 2.1 of the License, or (at your option) any later version.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	10
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	11 The GNU C Library is distributed in the hope that it will be useful,
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	14 Lesser General Public License for more details.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	15
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	16 You should have received a copy of the GNU Lesser General Public
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	17 License along with the GNU C Library; if not, write to the Free
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	19 02111-1307 USA. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	20
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	21 #ifndef _GNU_SOURCE
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	22 # define _GNU_SOURCE 1
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	23 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	24
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	25 #ifdef HAVE_CONFIG_H
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	26 #include <config.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	27 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	28
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	29 #ifndef alloca
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	30 # ifdef __GNUC__
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	31 # define alloca __builtin_alloca
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	32 # define HAVE_ALLOCA 1
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	33 # else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	34 # if defined HAVE_ALLOCA_H \|\| defined _LIBC
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	35 # include <alloca.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	36 # else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	37 # ifdef _AIX
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	38 #pragma alloca
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	39 # else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	40 # ifndef alloca
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	41 char *alloca ();
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	42 # endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	43 # endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	44 # endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	45 # endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	46 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	47
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	48 #include <stddef.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	49 #include <stdlib.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	50 #include <string.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	51 #include <assert.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	52 #include <stdarg.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	53 #include <malloc.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	54 #include <ctype.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	55 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	56 # include <wchar.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	57 #endif
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 #ifndef _
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	60 /* This is for other GNU distributions with internationalized messages. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	61 # if defined HAVE_LIBINTL_H \|\| defined _LIBC
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	62 # include <libintl.h>
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	63 # ifdef _LIBC
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	64 # undef dgettext
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	65 # define dgettext(domain, msgid) \
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	66 INTUSE(__dcgettext) (domain, msgid, LC_MESSAGES)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	67 # endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	68 # else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	69 # define dgettext(domain, msgid) (msgid)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	70 # endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	71 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	72
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	73 #include "argp.h"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	74 #include "argp-fmtstream.h"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	75 #include "argp-namefrob.h"
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	79 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	80 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	81 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	82 UPARAM_NAMES vector, below. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	83
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	84 /* Default parameters. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	85 #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	86 #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	87 #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	88 #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	89 #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	90 #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	91 #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	92 #define USAGE_INDENT 12 /* indentation of wrapped usage lines */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	93 #define RMARGIN 79 /* right margin used for wrapping */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	94
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	95 /* User-selectable (using an environment variable) formatting parameters.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	96 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	97 struct uparams
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	98 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	99 /* 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	100 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	101 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	102 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	103 this really means both is printed below the options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	104 int dup_args;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	105
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	106 /* 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	107 been suppressed, an explanatory message should be printed. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	108 int dup_args_note;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	109
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	110 /* Various output columns. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	111 int short_opt_col;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	112 int long_opt_col;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	113 int doc_opt_col;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	114 int opt_doc_col;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	115 int header_col;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	116 int usage_indent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	117 int rmargin;
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 int valid; /* True when the values in here are valid. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	120 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	121
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	122 /* 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	123 static struct uparams uparams = {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	124 DUP_ARGS, DUP_ARGS_NOTE,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	125 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	126 USAGE_INDENT, RMARGIN,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	127 0
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	128 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	129
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	130 /* A particular uparam, and what the user name is. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	131 struct uparam_name
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	132 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	133 const char name; / User name. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	134 int is_bool; /* Whether it's `boolean'. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	135 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	136 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	137
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	138 /* The name-field mappings we know about. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	139 static const struct uparam_name uparam_names[] =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	140 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	141 { "dup-args", 1, offsetof (struct uparams, dup_args) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	142 { "dup-args-note", 1, offsetof (struct uparams, dup_args_note) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	143 { "short-opt-col", 0, offsetof (struct uparams, short_opt_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	144 { "long-opt-col", 0, offsetof (struct uparams, long_opt_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	145 { "doc-opt-col", 0, offsetof (struct uparams, doc_opt_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	146 { "opt-doc-col", 0, offsetof (struct uparams, opt_doc_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	147 { "header-col", 0, offsetof (struct uparams, header_col) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	148 { "usage-indent", 0, offsetof (struct uparams, usage_indent) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	149 { "rmargin", 0, offsetof (struct uparams, rmargin) },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	150 { 0 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	151 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	152
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	153 /* Read user options from the environment, and fill in UPARAMS appropiately. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	154 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	155 fill_in_uparams (const struct argp_state *state)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	156 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	157 const char *var = getenv ("ARGP_HELP_FMT");
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	158
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	159 #define SKIPWS(p) do { while (isspace (*p)) p++; } while (0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	160
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	161 if (var)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	162 /* Parse var. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	163 while (*var)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	164 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	165 SKIPWS (var);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	166
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	167 if (isalpha (*var))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	168 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	169 size_t var_len;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	170 const struct uparam_name *un;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	171 int unspec = 0, val = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	172 const char *arg = var;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	173
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	174 while (isalnum (arg) \|\| arg == '-' \|\| *arg == '_')
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	175 arg++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	176 var_len = arg - var;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	177
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	178 SKIPWS (arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	179
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	180 if (arg == '\0' \|\| arg == ',')
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	181 unspec = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	182 else if (*arg == '=')
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	183 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	184 arg++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	185 SKIPWS (arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	186 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	187
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	188 if (unspec)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	189 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	190 if (var[0] == 'n' && var[1] == 'o' && var[2] == '-')
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	191 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	192 val = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	193 var += 3;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	194 var_len -= 3;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	195 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	196 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	197 val = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	198 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	199 else if (isdigit (*arg))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	200 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	201 val = atoi (arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	202 while (isdigit (*arg))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	203 arg++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	204 SKIPWS (arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	205 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	206
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	207 for (un = uparam_names; un->name; un++)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	208 if (strlen (un->name) == var_len
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	209 && strncmp (var, un->name, var_len) == 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	210 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	211 if (unspec && !un->is_bool)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	212 __argp_failure (state, 0, 0,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	213 dgettext (state->root_argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	214 %.*s: ARGP_HELP_FMT parameter requires a value"),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	215 (int) var_len, var);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	216 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	217 (int )((char *)&uparams + un->uparams_offs) = val;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	218 break;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	219 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	220 if (! un->name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	221 __argp_failure (state, 0, 0,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	222 dgettext (state->root_argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	223 %.*s: Unknown ARGP_HELP_FMT parameter"),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	224 (int) var_len, var);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	225
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	226 var = arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	227 if (*var == ',')
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	228 var++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	229 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	230 else if (*var)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	231 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	232 __argp_failure (state, 0, 0,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	233 dgettext (state->root_argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	234 "Garbage in ARGP_HELP_FMT: %s"), var);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	235 break;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	236 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	237 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	238 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	239
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	240 /* 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	241 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	242 #define ovisible(opt) (! ((opt)->flags & OPTION_HIDDEN))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	243
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	244 /* 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	245 #define oalias(opt) ((opt)->flags & OPTION_ALIAS)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	246
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	247 /* Returns true if OPT is an documentation-only entry. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	248 #define odoc(opt) ((opt)->flags & OPTION_DOC)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	249
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	250 /* 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	251 #define oend(opt) __option_is_end (opt)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	252
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	253 /* Returns true if OPT has a short option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	254 #define oshort(opt) __option_is_short (opt)
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 The help format for a particular option is like:
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	258
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	259 -xARG, -yARG, --long1=ARG, --long2=ARG Documentation...
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 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	262 will be surrounded by "[" and "]" appropiately if the argument is
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	263 optional. The documentation string is word-wrapped appropiately, and if
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	264 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	265 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	266 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	267 to be in a separate column.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	268
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	269 For example, the following output (from ps):
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	270
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	271 -p PID, --pid=PID List the process PID
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	272 --pgrp=PGRP List processes in the process group PGRP
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	273 -P, -x, --no-parent Include processes without parents
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	274 -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	275 some reason ps can't print a field for any
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	276 process, it's removed from the output entirely)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	277 -r, --reverse, --gratuitously-long-reverse-option
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	278 Reverse the order of any sort
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	279 --session[=SID] Add the processes from the session SID (which
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	280 defaults to the sid of the current process)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	281
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	282 Here are some more options:
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	283 -f ZOT, --foonly=ZOT Glork a foonly
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	284 -z, --zaza Snit a zar
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	285
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	286 -?, --help Give this help list
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	287 --usage Give a short usage message
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	288 -V, --version Print program version
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	289
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	290 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	291
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	292 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	293 {"pid", 'p', "PID", 0, "List the process PID"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	294 {"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	295 {"no-parent", 'P', 0, 0, "Include processes without parents"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	296 {0, 'x', 0, OPTION_ALIAS},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	297 {"all-fields",'Q', 0, 0, "Don't elide unusable fields (normally"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	298 " if there's some reason ps can't"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	299 " print a field for any process, it's"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	300 " removed from the output entirely)" },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	301 {"reverse", 'r', 0, 0, "Reverse the order of any sort"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	302 {"gratuitously-long-reverse-option", 0, 0, OPTION_ALIAS},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	303 {"session", OPT_SESS, "SID", OPTION_ARG_OPTIONAL,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	304 "Add the processes from the session"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	305 " SID (which defaults to the sid of"
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	306 " the current process)" },
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	307
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	308 {0,0,0,0, "Here are some more options:"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	309 {"foonly", 'f', "ZOT", 0, "Glork a foonly"},
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	310 {"zaza", 'z', 0, 0, "Snit a zar"},
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 {0}
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	313 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	314
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	315 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	316 unless you tell it not to with ARGP_NO_HELP.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	317
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	318 */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	319
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	320 /* Returns true if CH occurs between BEG and END. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	321 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	322 find_char (char ch, char beg, char end)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	323 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	324 while (beg < end)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	325 if (*beg == ch)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	326 return 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	327 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	328 beg++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	329 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	330 }
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 struct hol_cluster; /* fwd decl */
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 struct hol_entry
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	335 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	336 /* First option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	337 const struct argp_option *opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	338 /* Number of options (including aliases). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	339 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	340
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	341 /* 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	342 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	343 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	344 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	345 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	346 probably been shadowed by some other entry). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	347 char *short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	348
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	349 /* Entries are sorted by their group first, in the order:
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	350 1, 2, ..., n, 0, -m, ..., -2, -1
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	351 and then alphabetically within each group. The default is 0. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	352 int group;
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 /* 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	355 struct hol_cluster *cluster;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	356
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	357 /* The argp from which this option came. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	358 const struct argp *argp;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	359 };
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 cluster of entries to reflect the argp tree structure. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	362 struct hol_cluster
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	363 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	364 /* A descriptive header printed before options in this cluster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	365 const char *header;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	366
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	367 /* 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	368 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	369 list. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	370 int index;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	371
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	372 /* 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	373 same depth (clusters always follow options in the same group). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	374 int group;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	375
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	376 /* 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	377 level. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	378 struct hol_cluster *parent;
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 /* The argp from which this cluster is (eventually) derived. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	381 const struct argp *argp;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	382
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	383 /* The distance this cluster is from the root. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	384 int depth;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	385
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	386 /* 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	387 possible. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	388 struct hol_cluster *next;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	389 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	390
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	391 /* A list of options for help. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	392 struct hol
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	393 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	394 /* An array of hol_entry's. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	395 struct hol_entry *entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	396 /* 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	397 are undefined. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	398 unsigned num_entries;
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 /* 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	401 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	402 char *short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	403
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	404 /* Clusters of entries in this hol. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	405 struct hol_cluster *clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	406 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	407
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	408 /* 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	409 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	410 static struct hol *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	411 make_hol (const struct argp argp, struct hol_cluster cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	412 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	413 char *so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	414 const struct argp_option *o;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	415 const struct argp_option *opts = argp->options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	416 struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	417 unsigned num_short_options = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	418 struct hol *hol = malloc (sizeof (struct hol));
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 assert (hol);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	421
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	422 hol->num_entries = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	423 hol->clusters = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	424
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	425 if (opts)
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 int cur_group = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	428
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	429 /* The first option must not be an alias. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	430 assert (! oalias (opts));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	431
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	432 /* Calculate the space needed. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	433 for (o = opts; ! oend (o); o++)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	434 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	435 if (! oalias (o))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	436 hol->num_entries++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	437 if (oshort (o))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	438 num_short_options++; /* This is an upper bound. */
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	441 hol->entries = malloc (sizeof (struct hol_entry) * hol->num_entries);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	442 hol->short_options = malloc (num_short_options + 1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	443
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	444 assert (hol->entries && hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	445
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	446 /* Fill in the entries. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	447 so = hol->short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	448 for (o = opts, entry = hol->entries; ! oend (o); entry++)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	449 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	450 entry->opt = o;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	451 entry->num = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	452 entry->short_options = so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	453 entry->group = cur_group =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	454 o->group
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	455 ? o->group
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	456 : ((!o->name && !o->key)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	457 ? cur_group + 1
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	458 : cur_group);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	459 entry->cluster = cluster;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	460 entry->argp = argp;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	461
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	462 do
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	463 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	464 entry->num++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	465 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	466 /* 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	467 *so++ = o->key;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	468 o++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	469 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	470 while (! oend (o) && oalias (o));
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 so = '\0'; / null terminated so we can find the length */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	473 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	474
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	475 return hol;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	476 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	477
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	478 /* 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	479 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	480 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	481 static struct hol_cluster *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	482 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	483 struct hol_cluster parent, const struct argp argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	484 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	485 struct hol_cluster *cl = malloc (sizeof (struct hol_cluster));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	486 if (cl)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	487 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	488 cl->group = group;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	489 cl->header = header;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	490
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	491 cl->index = index;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	492 cl->parent = parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	493 cl->argp = argp;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	494 cl->depth = parent ? parent->depth + 1 : 0;
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 cl->next = hol->clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	497 hol->clusters = cl;
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 return cl;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	500 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	501
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	502 /* Free HOL and any resources it uses. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	503 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	504 hol_free (struct hol *hol)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	505 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	506 struct hol_cluster *cl = hol->clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	507
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	508 while (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 struct hol_cluster *next = cl->next;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	511 free (cl);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	512 cl = next;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	513 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	514
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	515 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	516 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	517 free (hol->entries);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	518 free (hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	519 }
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 free (hol);
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 static inline int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	525 hol_entry_short_iterate (const struct hol_entry *entry,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	526 int (func)(const struct argp_option opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	527 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	528 const char domain, void cookie),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	529 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	530 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	531 unsigned nopts;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	532 int val = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	533 const struct argp_option opt, real = entry->opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	534 char *so = entry->short_options;
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 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	537 if (oshort (opt) && *so == opt->key)
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 if (!oalias (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	540 real = opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	541 if (ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	542 val = (*func)(opt, real, domain, cookie);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	543 so++;
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	546 return val;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	547 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	548
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	549 static inline int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	550 hol_entry_long_iterate (const struct hol_entry *entry,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	551 int (func)(const struct argp_option opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	552 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	553 const char domain, void cookie),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	554 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	555 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	556 unsigned nopts;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	557 int val = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	558 const struct argp_option opt, real = entry->opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	559
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	560 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	561 if (opt->name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	562 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	563 if (!oalias (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	564 real = opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	565 if (ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	566 val = (*func)(opt, real, domain, cookie);
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	569 return val;
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	572 /* Iterator that returns true for the first short option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	573 static inline int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	574 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	575 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	576 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	577 return oshort (opt) ? opt->key : 0;
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	580 /* 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	581 static char
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	582 hol_entry_first_short (const struct hol_entry *entry)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	583 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	584 return hol_entry_short_iterate (entry, until_short,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	585 entry->argp->argp_domain, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	586 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	587
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	588 /* 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	589 static const char *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	590 hol_entry_first_long (const struct hol_entry *entry)
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 const struct argp_option *opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	593 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	594 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	595 if (opt->name && ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	596 return opt->name;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	597 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	598 }
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 /* 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	601 none. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	602 static struct hol_entry *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	603 hol_find_entry (struct hol hol, const char name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	604 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	605 struct hol_entry *entry = hol->entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	606 unsigned num_entries = hol->num_entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	607
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	608 while (num_entries-- > 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 const struct argp_option *opt = entry->opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	611 unsigned num_opts = entry->num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	612
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	613 while (num_opts-- > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	614 if (opt->name && ovisible (opt) && strcmp (opt->name, name) == 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	615 return entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	616 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	617 opt++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	618
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	619 entry++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	620 }
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 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	623 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	624
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	625 /* 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	626 sort position to GROUP. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	627 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	628 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	629 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	630 struct hol_entry *entry = hol_find_entry (hol, name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	631 if (entry)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	632 entry->group = group;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	633 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	634
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	635 /* Order by group: 0, 1, 2, ..., n, -m, ..., -2, -1.
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	636 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	637 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	638 group_cmp (int group1, int group2, int eq)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	639 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	640 if (group1 == group2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	641 return eq;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	642 else if ((group1 < 0 && group2 < 0) \|\| (group1 >= 0 && group2 >= 0))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	643 return group1 - group2;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	644 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	645 return group2 - group1;
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 /* 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	649 output. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	650 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	651 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	652 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	653 /* 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	654 level, so that finding the common ancestor is straightforward. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	655 while (cl1->depth < cl2->depth)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	656 cl1 = cl1->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	657 while (cl2->depth < cl1->depth)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	658 cl2 = cl2->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	659
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	660 /* 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	661 a common parent; these can be directly compared. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	662 while (cl1->parent != cl2->parent)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	663 cl1 = cl1->parent, cl2 = cl2->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	664
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	665 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	666 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	667
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	668 /* 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	669 of 0). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	670 static struct hol_cluster *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	671 hol_cluster_base (struct hol_cluster *cl)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	672 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	673 while (cl->parent)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	674 cl = cl->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	675 return cl;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	676 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	677
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	678 /* Return true if CL1 is a child of CL2. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	679 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	680 hol_cluster_is_child (const struct hol_cluster *cl1,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	681 const struct hol_cluster *cl2)
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 while (cl1 && cl1 != cl2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	684 cl1 = cl1->parent;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	685 return cl1 == cl2;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	686 }
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 /* 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	689 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	690 treated as a non-option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	691 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	692 canon_doc_option (const char **name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	693 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	694 int non_opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	695 /* Skip initial whitespace. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	696 while (isspace (**name))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	697 (*name)++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	698 /* Decide whether this looks like an option (leading `-') or not. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	699 non_opt = (**name != '-');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	700 /* Skip until part of name used for sorting. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	701 while (name && !isalnum (name))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	702 (*name)++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	703 return non_opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	704 }
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 /* 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	707 listing. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	708 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	709 hol_entry_cmp (const struct hol_entry *entry1,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	710 const struct hol_entry *entry2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	711 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	712 /* 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	713 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	714 int group1 = entry1->group, group2 = entry2->group;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	715
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	716 if (entry1->cluster != entry2->cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	717 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	718 /* 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	719 directly, we have to use the appropiate clustering level too. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	720 if (! entry1->cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	721 /* 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	722 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	723 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	724 clustered option always comes laster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	725 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	726 else if (! entry2->cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	727 /* Likewise, but ENTRY2's not in a cluster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	728 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	729 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	730 /* 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	731 return hol_cluster_cmp (entry1->cluster, entry2->cluster);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	732 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	733 else if (group1 == group2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	734 /* 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	735 alphabetically. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	736 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	737 int short1 = hol_entry_first_short (entry1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	738 int short2 = hol_entry_first_short (entry2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	739 int doc1 = odoc (entry1->opt);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	740 int doc2 = odoc (entry2->opt);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	741 const char *long1 = hol_entry_first_long (entry1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	742 const char *long2 = hol_entry_first_long (entry2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	743
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	744 if (doc1)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	745 doc1 = canon_doc_option (&long1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	746 if (doc2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	747 doc2 = canon_doc_option (&long2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	748
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	749 if (doc1 != doc2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	750 /* `documentation' options always follow normal options (or
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	751 documentation options that look like normal options). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	752 return doc1 - doc2;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	753 else if (!short1 && !short2 && long1 && long2)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	754 /* Only long options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	755 return __strcasecmp (long1, long2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	756 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	757 /* Compare short/short, long/short, short/long, using the first
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	758 character of long options. Entries without any valid
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	759 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	760 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	761 they are. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	762 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	763 char first1 = short1 ? short1 : long1 ? *long1 : 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	764 char first2 = short2 ? short2 : long2 ? *long2 : 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	765 #ifdef _tolower
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	766 int lower_cmp = _tolower (first1) - _tolower (first2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	767 #else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	768 int lower_cmp = tolower (first1) - tolower (first2);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	769 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	770 /* Compare ignoring case, except when the options are both the
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	771 same letter, in which case lower-case always comes first. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	772 return lower_cmp ? lower_cmp : first2 - first1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	773 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	774 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	775 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	776 /* 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	777 groups. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	778 return group_cmp (group1, group2, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	779 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	780
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	781 /* Version of hol_entry_cmp with correct signature for qsort. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	782 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	783 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	784 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	785 return hol_entry_cmp (entry1_v, entry2_v);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	786 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	787
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	788 /* 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	789 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	790 only, the shadowing of options isn't effected. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	791 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	792 hol_sort (struct hol *hol)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	793 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	794 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	795 qsort (hol->entries, hol->num_entries, sizeof (struct hol_entry),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	796 hol_entry_qcmp);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	797 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	798
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	799 /* 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	800 any in MORE with the same name. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	801 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	802 hol_append (struct hol hol, struct hol more)
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 struct hol_cluster **cl_end = &hol->clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	805
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	806 /* 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	807 while (*cl_end)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	808 cl_end = &(*cl_end)->next;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	809 *cl_end = more->clusters;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	810 more->clusters = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	811
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	812 /* Merge entries. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	813 if (more->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	814 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	815 if (hol->num_entries == 0)
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 hol->num_entries = more->num_entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	818 hol->entries = more->entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	819 hol->short_options = more->short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	820 more->num_entries = 0; /* Mark MORE's fields as invalid. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	821 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	822 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	823 /* 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	824 non-shadowed SHORT_OPTIONS values. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	825 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	826 unsigned left;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	827 char so, more_so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	828 struct hol_entry *e;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	829 unsigned num_entries = hol->num_entries + more->num_entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	830 struct hol_entry *entries =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	831 malloc (num_entries * sizeof (struct hol_entry));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	832 unsigned hol_so_len = strlen (hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	833 char *short_options =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	834 malloc (hol_so_len + strlen (more->short_options) + 1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	835
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	836 __mempcpy (__mempcpy (entries, hol->entries,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	837 hol->num_entries * sizeof (struct hol_entry)),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	838 more->entries,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	839 more->num_entries * sizeof (struct hol_entry));
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 __mempcpy (short_options, hol->short_options, hol_so_len);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	842
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	843 /* Fix up the short options pointers from HOL. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	844 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	845 e->short_options += (short_options - hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	846
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	847 /* 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	848 too. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	849 so = short_options + hol_so_len;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	850 more_so = more->short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	851 for (left = more->num_entries; left > 0; e++, left--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	852 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	853 int opts_left;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	854 const struct argp_option *opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	855
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	856 e->short_options = so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	857
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	858 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	859 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	860 int ch = *more_so;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	861 if (oshort (opt) && ch == opt->key)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	862 /* 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	863 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	864 if (! find_char (ch, short_options,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	865 short_options + hol_so_len))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	866 /* 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	867 so add it to the sum. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	868 *so++ = ch;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	869 more_so++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	870 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	871 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	872 }
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 *so = '\0';
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 free (hol->entries);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	877 free (hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	878
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	879 hol->entries = entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	880 hol->num_entries = num_entries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	881 hol->short_options = short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	882 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	883 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	884
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	885 hol_free (more);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	886 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	887
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	888 /* 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	889 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	890 indent_to (argp_fmtstream_t stream, unsigned col)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	891 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	892 int needed = col - __argp_fmtstream_point (stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	893 while (needed-- > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	894 __argp_fmtstream_putc (stream, ' ');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	895 }
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 /* 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	898 least ENSURE characters before the right margin. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	899 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	900 space (argp_fmtstream_t stream, size_t ensure)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	901 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	902 if (__argp_fmtstream_point (stream) + ensure
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	903 >= __argp_fmtstream_rmargin (stream))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	904 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	905 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	906 __argp_fmtstream_putc (stream, ' ');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	907 }
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 /* 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	910 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	911 optional argument. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	912 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	913 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	914 const char *domain, argp_fmtstream_t stream)
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 if (real->arg)
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 if (real->flags & OPTION_ARG_OPTIONAL)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	919 __argp_fmtstream_printf (stream, opt_fmt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	920 dgettext (domain, real->arg));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	921 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	922 __argp_fmtstream_printf (stream, req_fmt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	923 dgettext (domain, real->arg));
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 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	926
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	927 /* Helper functions for hol_entry_help. */
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 /* State used during the execution of hol_help. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	930 struct hol_help_state
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	931 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	932 /* PREV_ENTRY should contain the previous entry printed, or 0. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	933 struct hol_entry *prev_entry;
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 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	936 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	937 int sep_groups;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	938
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	939 /* 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	940 UPARAMS.dup_args is false). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	941 int suppressed_dup_arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	942 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	943
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	944 /* 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	945 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	946 of the fields are copied from its arguments. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	947 struct pentry_state
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 const struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	950 argp_fmtstream_t stream;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	951 struct hol_help_state *hhstate;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	952
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	953 /* True if nothing's been printed so far. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	954 int first;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	955
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	956 /* 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	957 const struct argp_state *state;
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 /* 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	961 static const char *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	962 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	963 const struct argp_state *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 if (argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	966 /* We must apply a user filter to this output. */
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 void *input = __argp_input (argp, state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	969 return (*argp->help_filter) (key, doc, input);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	970 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	971 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	972 /* No filter. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	973 return doc;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	974 }
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 /* 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	977 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	978 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	979 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	980 to 0. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	981 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	982 print_header (const char str, const struct argp argp,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	983 struct pentry_state *pest)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	984 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	985 const char *tstr = dgettext (argp->argp_domain, str);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	986 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	987
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	988 if (fstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	989 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	990 if (*fstr)
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 if (pest->hhstate->prev_entry)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	993 /* Precede with a blank line. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	994 __argp_fmtstream_putc (pest->stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	995 indent_to (pest->stream, uparams.header_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	996 __argp_fmtstream_set_lmargin (pest->stream, uparams.header_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	997 __argp_fmtstream_set_wmargin (pest->stream, uparams.header_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	998 __argp_fmtstream_puts (pest->stream, fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	999 __argp_fmtstream_set_lmargin (pest->stream, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1000 __argp_fmtstream_putc (pest->stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1001 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1002
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1003 pest->hhstate->sep_groups = 1; /* Separate subsequent groups. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1004 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1005
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1006 if (fstr != tstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1007 free ((char *) fstr);
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1010 /* 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	1011 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	1012 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	1013 clears FIRST. */
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 comma (unsigned col, struct pentry_state *pest)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1016 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1017 if (pest->first)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1018 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1019 const struct hol_entry *pe = pest->hhstate->prev_entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1020 const struct hol_cluster *cl = pest->entry->cluster;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1021
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1022 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	1023 __argp_fmtstream_putc (pest->stream, '\n');
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 (cl && cl->header && *cl->header
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1026 && (!pe
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1027 \|\| (pe->cluster != cl
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1028 && !hol_cluster_is_child (pe->cluster, cl))))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1029 /* 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	1030 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	1031 (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	1032 If so, then print the cluster's header line. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1033 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1034 int old_wm = __argp_fmtstream_wmargin (pest->stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1035 print_header (cl->header, cl->argp, pest);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1036 __argp_fmtstream_set_wmargin (pest->stream, old_wm);
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 pest->first = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1040 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1041 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1042 __argp_fmtstream_puts (pest->stream, ", ");
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1043
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1044 indent_to (pest->stream, col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1045 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1046
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1047 /* Print help for ENTRY to STREAM. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1048 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1049 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	1050 argp_fmtstream_t stream, struct hol_help_state *hhstate)
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 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1053 const struct argp_option real = entry->opt, opt;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1054 char *so = entry->short_options;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1055 int have_long_opt = 0; /* We have any long options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1056 /* Saved margins. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1057 int old_lm = __argp_fmtstream_set_lmargin (stream, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1058 int old_wm = __argp_fmtstream_wmargin (stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1059 /* 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	1060 share with helper functions. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1061 struct pentry_state pest = { entry, stream, hhstate, 1, state };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1062
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1063 if (! odoc (real))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1064 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1065 if (opt->name && ovisible (opt))
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 have_long_opt = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1068 break;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1069 }
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 /* First emit short options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1072 __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	1073 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1074 if (oshort (opt) && opt->key == *so)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1075 /* OPT has a valid (non shadowed) short option. */
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 if (ovisible (opt))
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 comma (uparams.short_opt_col, &pest);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1080 __argp_fmtstream_putc (stream, '-');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1081 __argp_fmtstream_putc (stream, *so);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1082 if (!have_long_opt \|\| uparams.dup_args)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1083 arg (real, " %s", "[%s]", state->root_argp->argp_domain, stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1084 else if (real->arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1085 hhstate->suppressed_dup_arg = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1086 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1087 so++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1088 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1089
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1090 /* Now, long options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1091 if (odoc (real))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1092 /* A `documentation' option. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1093 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1094 __argp_fmtstream_set_wmargin (stream, uparams.doc_opt_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1095 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1096 if (opt->name && ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1097 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1098 comma (uparams.doc_opt_col, &pest);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1099 /* Calling gettext here isn't quite right, since sorting will
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1100 have been done on the original; but documentation options
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1101 should be pretty rare anyway... */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1102 __argp_fmtstream_puts (stream,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1103 dgettext (state->root_argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1104 opt->name));
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 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1107 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1108 /* A real long option. */
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 int first_long_opt = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1111
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1112 __argp_fmtstream_set_wmargin (stream, uparams.long_opt_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1113 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1114 if (opt->name && ovisible (opt))
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 comma (uparams.long_opt_col, &pest);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1117 __argp_fmtstream_printf (stream, "--%s", opt->name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1118 if (first_long_opt \|\| uparams.dup_args)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1119 arg (real, "=%s", "[=%s]", state->root_argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1120 stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1121 else if (real->arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1122 hhstate->suppressed_dup_arg = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1123 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1124 }
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 /* Next, documentation strings. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1127 __argp_fmtstream_set_lmargin (stream, 0);
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 if (pest.first)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1130 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1131 /* Didn't print any switches, what's up? */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1132 if (!oshort (real) && !real->name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1133 /* This is a group header, print it nicely. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1134 print_header (real->doc, entry->argp, &pest);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1135 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1136 /* Just a totally shadowed option or null header; print nothing. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1137 goto cleanup; /* Just return, after cleaning up. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1138 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1139 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1140 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1141 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	1142 real->doc) : 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1143 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	1144 if (fstr && *fstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1145 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1146 unsigned int col = __argp_fmtstream_point (stream);
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 __argp_fmtstream_set_lmargin (stream, uparams.opt_doc_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1149 __argp_fmtstream_set_wmargin (stream, uparams.opt_doc_col);
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 if (col > (unsigned int) (uparams.opt_doc_col + 3))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1152 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1153 else if (col >= (unsigned int) uparams.opt_doc_col)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1154 __argp_fmtstream_puts (stream, " ");
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1155 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1156 indent_to (stream, uparams.opt_doc_col);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1157
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1158 __argp_fmtstream_puts (stream, fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1159 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1160 if (fstr && fstr != tstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1161 free ((char *) fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1162
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1163 /* Reset the left margin. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1164 __argp_fmtstream_set_lmargin (stream, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1165 __argp_fmtstream_putc (stream, '\n');
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1168 hhstate->prev_entry = entry;
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 cleanup:
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1171 __argp_fmtstream_set_lmargin (stream, old_lm);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1172 __argp_fmtstream_set_wmargin (stream, old_wm);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1173 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1174
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1175 /* 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	1176 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1177 hol_help (struct hol hol, const struct argp_state state,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1178 argp_fmtstream_t stream)
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 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1181 struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1182 struct hol_help_state hhstate = { 0, 0, 0 };
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1183
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1184 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	1185 hol_entry_help (entry, state, stream, &hhstate);
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 if (hhstate.suppressed_dup_arg && uparams.dup_args_note)
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 const char *tstr = dgettext (state->root_argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1190 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	1191 optional for any corresponding short options.");
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1192 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	1193 state ? state->root_argp : 0, state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1194 if (fstr && *fstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1195 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1196 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1197 __argp_fmtstream_puts (stream, fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1198 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1199 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1200 if (fstr && fstr != tstr)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1201 free ((char *) fstr);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1202 }
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1205 /* Helper functions for hol_usage. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1206
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1207 /* 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	1208 pointer pointer to by COOKIE, and advance the pointer. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1209 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1210 add_argless_short_opt (const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1211 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1212 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1213 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1214 char **snao_end = cookie;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1215 if (!(opt->arg \|\| real->arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1216 && !((opt->flags \| real->flags) & OPTION_NO_USAGE))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1217 (snao_end)++ = opt->key;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1218 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1219 }
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 /* 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	1222 stream pointed at by COOKIE. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1223 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1224 usage_argful_short_opt (const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1225 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1226 const char domain, void cookie)
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 argp_fmtstream_t stream = cookie;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1229 const char *arg = opt->arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1230 int flags = opt->flags \| real->flags;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1231
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1232 if (! arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1233 arg = real->arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1234
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1235 if (arg && !(flags & OPTION_NO_USAGE))
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 arg = dgettext (domain, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1238
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1239 if (flags & OPTION_ARG_OPTIONAL)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1240 __argp_fmtstream_printf (stream, " [-%c[%s]]", opt->key, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1241 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1242 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1243 /* Manually do line wrapping so that it (probably) won't
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1244 get wrapped at the embedded space. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1245 space (stream, 6 + strlen (arg));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1246 __argp_fmtstream_printf (stream, "[-%c %s]", opt->key, arg);
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 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1249
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1250 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1251 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1252
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1253 /* 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	1254 COOKIE. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1255 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1256 usage_long_opt (const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1257 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1258 const char domain, void cookie)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1259 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1260 argp_fmtstream_t stream = cookie;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1261 const char *arg = opt->arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1262 int flags = opt->flags \| real->flags;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1263
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1264 if (! arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1265 arg = real->arg;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1266
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1267 if (! (flags & OPTION_NO_USAGE))
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 if (arg)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1270 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1271 arg = dgettext (domain, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1272 if (flags & OPTION_ARG_OPTIONAL)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1273 __argp_fmtstream_printf (stream, " [--%s[=%s]]", opt->name, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1274 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1275 __argp_fmtstream_printf (stream, " [--%s=%s]", opt->name, arg);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1276 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1277 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1278 __argp_fmtstream_printf (stream, " [--%s]", opt->name);
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1281 return 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1282 }
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 /* 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	1285 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1286 hol_usage (struct hol *hol, argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1287 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1288 if (hol->num_entries > 0)
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 unsigned nentries;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1291 struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1292 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	1293 char *snao_end = short_no_arg_opts;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1294
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1295 /* First we put a list of short options without arguments. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1296 for (entry = hol->entries, nentries = hol->num_entries
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1297 ; nentries > 0
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1298 ; entry++, nentries--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1299 hol_entry_short_iterate (entry, add_argless_short_opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1300 entry->argp->argp_domain, &snao_end);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1301 if (snao_end > short_no_arg_opts)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1302 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1303 *snao_end++ = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1304 __argp_fmtstream_printf (stream, " [-%s]", short_no_arg_opts);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1305 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1306
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1307 /* Now a list of short options with arguments. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1308 for (entry = hol->entries, nentries = hol->num_entries
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1309 ; nentries > 0
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1310 ; entry++, nentries--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1311 hol_entry_short_iterate (entry, usage_argful_short_opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1312 entry->argp->argp_domain, stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1313
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1314 /* Finally, a list of long options (whew!). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1315 for (entry = hol->entries, nentries = hol->num_entries
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1316 ; nentries > 0
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1317 ; entry++, nentries--)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1318 hol_entry_long_iterate (entry, usage_long_opt,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1319 entry->argp->argp_domain, stream);
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1323 /* 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	1324 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	1325 static struct hol *
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1326 argp_hol (const struct argp argp, struct hol_cluster cluster)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1327 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1328 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1329 struct hol *hol = make_hol (argp, cluster);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1330 if (child)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1331 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1332 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1333 struct hol_cluster *child_cluster =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1334 ((child->group \|\| child->header)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1335 /* Put CHILD->argp within its own cluster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1336 ? hol_add_cluster (hol, child->group, child->header,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1337 child - argp->children, cluster, argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1338 /* Just merge it into the parent's cluster. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1339 : cluster);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1340 hol_append (hol, argp_hol (child->argp, child_cluster)) ;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1341 child++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1342 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1343 return hol;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1344 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1345
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1346 /* 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	1347 ARGP. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1348 static size_t
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1349 argp_args_levels (const struct argp *argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1350 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1351 size_t levels = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1352 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1353
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1354 if (argp->args_doc && strchr (argp->args_doc, '\n'))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1355 levels++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1356
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1357 if (child)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1358 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1359 levels += argp_args_levels ((child++)->argp);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1360
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1361 return levels;
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 /* 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	1365 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	1366 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	1367 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	1368 returned as long as there are more patterns to output. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1369 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1370 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	1371 char **levels, int advance, argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1372 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1373 char our_level = levels;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1374 int multiple = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1375 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1376 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	1377 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	1378
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1379 if (fdoc)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1380 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1381 const char *cp = fdoc;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1382 nl = __strchrnul (cp, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1383 if (*nl != '\0')
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1384 /* 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	1385 as determined by our state in LEVELS, and update LEVELS. */
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 int i;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1388 multiple = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1389 for (i = 0; i < *our_level; i++)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1390 cp = nl + 1, nl = __strchrnul (cp, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1391 (*levels)++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1392 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1393
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1394 /* 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	1395 any embedded spaces. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1396 space (stream, 1 + nl - cp);
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 __argp_fmtstream_write (stream, cp, nl - cp);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1399 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1400 if (fdoc && fdoc != tdoc)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1401 free ((char )fdoc); / Free user's modified doc string. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1402
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1403 if (child)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1404 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1405 advance = !argp_args_usage ((child++)->argp, state, levels, advance, stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1406
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1407 if (advance && multiple)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1408 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1409 /* Need to increment our level. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1410 if (*nl)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1411 /* There's more we can do here. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1412 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1413 (*our_level)++;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1414 advance = 0; /* Our parent shouldn't advance also. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1415 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1416 else if (*our_level > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1417 /* 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	1418 *our_level = 0;
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1421 return !advance;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1422 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1423
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1424 /* 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	1425 everything preceeding a `\v' character in the documentation strings (or
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1426 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	1427 following the `\v' character (nothing for strings without). Each separate
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1428 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	1429 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	1430 occurrence is output. Returns true if anything was output. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1431 static int
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1432 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	1433 int post, int pre_blank, int first_only,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1434 argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1435 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1436 const char *text;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1437 const char *inp_text;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1438 void *input = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1439 int anything = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1440 size_t inp_text_limit = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1441 const char *doc = dgettext (argp->argp_domain, argp->doc);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1442 const struct argp_child *child = argp->children;
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 (doc)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1445 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1446 char *vt = strchr (doc, '\v');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1447 inp_text = post ? (vt ? vt + 1 : 0) : doc;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1448 inp_text_limit = (!post && vt) ? (vt - doc) : 0;
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 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1451 inp_text = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1452
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1453 if (argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1454 /* We have to filter the doc strings. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1455 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1456 if (inp_text_limit)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1457 /* Copy INP_TEXT so that it's nul-terminated. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1458 inp_text = __strndup (inp_text, inp_text_limit);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1459 input = __argp_input (argp, state);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1460 text =
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1461 (*argp->help_filter) (post
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1462 ? ARGP_KEY_HELP_POST_DOC
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1463 : ARGP_KEY_HELP_PRE_DOC,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1464 inp_text, input);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1465 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1466 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1467 text = (const char *) inp_text;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1468
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1469 if (text)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1470 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1471 if (pre_blank)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1472 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1473
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1474 if (text == inp_text && inp_text_limit)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1475 __argp_fmtstream_write (stream, inp_text, inp_text_limit);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1476 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1477 __argp_fmtstream_puts (stream, text);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1478
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1479 if (__argp_fmtstream_point (stream) > __argp_fmtstream_lmargin (stream))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1480 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1481
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1482 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1483 }
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 (text && text != inp_text)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1486 free ((char ) text); / Free TEXT returned from the help filter. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1487 if (inp_text && inp_text_limit && argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1488 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	1489
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1490 if (post && argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1491 /* 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	1492 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1493 text = (*argp->help_filter) (ARGP_KEY_HELP_EXTRA, 0, input);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1494 if (text)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1495 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1496 if (anything \|\| pre_blank)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1497 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1498 __argp_fmtstream_puts (stream, text);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1499 free ((char *) text);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1500 if (__argp_fmtstream_point (stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1501 > __argp_fmtstream_lmargin (stream))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1502 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1503 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1504 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1505 }
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 if (child)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1508 while (child->argp && !(first_only && anything))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1509 anything \|=
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1510 argp_doc ((child++)->argp, state,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1511 post, anything \|\| pre_blank, first_only,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1512 stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1513
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1514 return anything;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1515 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1516
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1517 /* 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	1518 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	1519 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	1520 needed. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1521 static void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1522 _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	1523 unsigned flags, char *name)
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 int anything = 0; /* Whether we've output anything. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1526 struct hol *hol = 0;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1527 argp_fmtstream_t fs;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1528
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1529 if (! stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1530 return;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1531
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1532 __flockfile (stream);
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 if (! uparams.valid)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1535 fill_in_uparams (state);
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 fs = __argp_make_fmtstream (stream, 0, uparams.rmargin, 0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1538 if (! fs)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1539 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1540 __funlockfile (stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1541 return;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1542 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1543
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1544 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	1545 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1546 hol = argp_hol (argp, 0);
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 present, these options always come last. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1549 hol_set_group (hol, "help", -1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1550 hol_set_group (hol, "version", -1);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1551
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1552 hol_sort (hol);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1553 }
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 if (flags & (ARGP_HELP_USAGE \| ARGP_HELP_SHORT_USAGE))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1556 /* Print a short `Usage:' message. */
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 int first_pattern = 1, more_patterns;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1559 size_t num_pattern_levels = argp_args_levels (argp);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1560 char *pattern_levels = alloca (num_pattern_levels);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1561
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1562 memset (pattern_levels, 0, num_pattern_levels);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1563
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1564 do
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 old_lm;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1567 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	1568 char *levels = pattern_levels;
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 (first_pattern)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1571 __argp_fmtstream_printf (fs, "%s %s",
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1572 dgettext (argp->argp_domain, "Usage:"),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1573 name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1574 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1575 __argp_fmtstream_printf (fs, "%s %s",
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1576 dgettext (argp->argp_domain, " or: "),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1577 name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1578
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1579 /* 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	1580 manually wraps options with newline to avoid annoying breaks. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1581 old_lm = __argp_fmtstream_set_lmargin (fs, uparams.usage_indent);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1582
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1583 if (flags & ARGP_HELP_SHORT_USAGE)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1584 /* Just show where the options go. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1585 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1586 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1587 __argp_fmtstream_puts (fs, dgettext (argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1588 " [OPTION...]"));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1589 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1590 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1591 /* Actually print the options. */
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 hol_usage (hol, fs);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1594 flags \|= ARGP_HELP_SHORT_USAGE; /* But only do so once. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1595 }
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 more_patterns = argp_args_usage (argp, state, &levels, 1, fs);
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 __argp_fmtstream_set_wmargin (fs, old_wm);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1600 __argp_fmtstream_set_lmargin (fs, old_lm);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1601
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1602 __argp_fmtstream_putc (fs, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1603 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1604
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1605 first_pattern = 0;
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 while (more_patterns);
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1610 if (flags & ARGP_HELP_PRE_DOC)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1611 anything \|= argp_doc (argp, state, 0, 0, 1, fs);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1612
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1613 if (flags & ARGP_HELP_SEE)
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 __argp_fmtstream_printf (fs, dgettext (argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1616 Try `%s --help' or `%s --usage' for more information.\n"),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1617 name, name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1618 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1619 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1620
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1621 if (flags & ARGP_HELP_LONG)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1622 /* Print a long, detailed help message. */
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 /* Print info about all the options. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1625 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1626 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1627 if (anything)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1628 __argp_fmtstream_putc (fs, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1629 hol_help (hol, state, fs);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1630 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1631 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1632 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1633
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1634 if (flags & ARGP_HELP_POST_DOC)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1635 /* Print any documentation strings at the end. */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1636 anything \|= argp_doc (argp, state, 1, anything, 0, fs);
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 if ((flags & ARGP_HELP_BUG_ADDR) && argp_program_bug_address)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1639 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1640 if (anything)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1641 __argp_fmtstream_putc (fs, '\n');
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1642 __argp_fmtstream_printf (fs, dgettext (argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1643 "Report bugs to %s.\n"),
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1644 argp_program_bug_address);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1645 anything = 1;
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1648 __funlockfile (stream);
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 if (hol)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1651 hol_free (hol);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1652
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1653 __argp_fmtstream_free (fs);
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1656 /* 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	1657 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	1658 void __argp_help (const struct argp argp, FILE stream,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1659 unsigned flags, char *name)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1660 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1661 _help (argp, 0, stream, flags, name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1662 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1663 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1664 weak_alias (__argp_help, argp_help)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1665 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1666
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1667 /* 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	1668 from the set ARGP_HELP_. /
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1669 void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1670 __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	1671 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1672 if ((!state \|\| ! (state->flags & ARGP_NO_ERRS)) && stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1673 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1674 if (state && (state->flags & ARGP_LONG_ONLY))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1675 flags \|= ARGP_HELP_LONG_ONLY;
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 _help (state ? state->root_argp : 0, state, stream, flags,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1678 state ? state->name : program_invocation_short_name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1679
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1680 if (!state \|\| ! (state->flags & ARGP_NO_EXIT))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1681 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1682 if (flags & ARGP_HELP_EXIT_ERR)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1683 exit (argp_err_exit_status);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1684 if (flags & ARGP_HELP_EXIT_OK)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1685 exit (0);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1686 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1687 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1688 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1689 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1690 weak_alias (__argp_state_help, argp_state_help)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1691 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1692
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1693 /* 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	1694 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	1695 message, then exit (1). */
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1696 void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1697 __argp_error (const struct argp_state state, const char fmt, ...)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1698 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1699 if (!state \|\| !(state->flags & ARGP_NO_ERRS))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1700 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1701 FILE *stream = state ? state->err_stream : stderr;
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 if (stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1704 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1705 va_list ap;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1706
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1707 __flockfile (stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1708
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1709 va_start (ap, fmt);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1710
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1711 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1712 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1713 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1714 char *buf;
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1715
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1716 __asprintf (&buf, fmt, ap);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1717
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1718 __fwprintf (stream, L"%s: %s\n",
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1719 state ? state->name : program_invocation_short_name,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1720 buf);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1721
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1722 free (buf);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1723 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1724 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1725 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1726 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1727 fputs_unlocked (state
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1728 ? state->name : program_invocation_short_name,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1729 stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1730 putc_unlocked (':', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1731 putc_unlocked (' ', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1732
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1733 vfprintf (stream, fmt, ap);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1734
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1735 putc_unlocked ('\n', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1736 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1737
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1738 __argp_state_help (state, stream, ARGP_HELP_STD_ERR);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1739
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1740 va_end (ap);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1741
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1742 __funlockfile (stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1743 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1744 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1745 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1746 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1747 weak_alias (__argp_error, argp_error)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1748 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1749
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1750 /* 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	1751 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	1752 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	1753 shared between program startup (when exiting is desired) and runtime
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1754 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	1755 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	1756 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	1757 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	1758 void
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1759 __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	1760 const char *fmt, ...)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1761 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1762 if (!state \|\| !(state->flags & ARGP_NO_ERRS))
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 FILE *stream = state ? state->err_stream : stderr;
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 if (stream)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1767 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1768 __flockfile (stream);
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 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1771 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1772 __fwprintf (stream, L"%s",
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1773 state ? state->name : program_invocation_short_name);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1774 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1775 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1776 fputs_unlocked (state
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1777 ? state->name : program_invocation_short_name,
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1778 stream);
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 (fmt)
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1784 va_start (ap, fmt);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1785 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1786 if (_IO_fwide (stream, 0) > 0)
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 char *buf;
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 __asprintf (&buf, fmt, ap);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1791
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1792 __fwprintf (stream, L": %s", buf);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1793
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1794 free (buf);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1795 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1796 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1797 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1798 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1799 putc_unlocked (':', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1800 putc_unlocked (' ', stream);
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 vfprintf (stream, fmt, ap);
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1805 va_end (ap);
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
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1808 if (errnum)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1809 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1810 char buf[200];
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1811
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1812 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1813 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1814 __fwprintf (stream, L": %s",
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1815 __strerror_r (errnum, buf, sizeof (buf)));
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1816 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1817 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1818 {
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1819 putc_unlocked (':', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1820 putc_unlocked (' ', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1821 fputs (__strerror_r (errnum, buf, sizeof (buf)), stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1822 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1823 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1824
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1825 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1826 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1827 putwc_unlocked (L'\n', stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1828 else
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1829 #endif
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1830 putc_unlocked ('\n', stream);
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 __funlockfile (stream);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1833
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1834 if (status && (!state \|\| !(state->flags & ARGP_NO_EXIT)))
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1835 exit (status);
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1836 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1837 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1838 }
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1839 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1840 weak_alias (__argp_failure, argp_failure)
1c170fb33fa6 argp facility from glibc-20030610. Bruno Haible <bruno@clisp.org> parents: diff changeset	1841 #endif

Mercurial > hg > octave-nkf > gnulib-hg

annotate lib/argp-help.c @ 4385:1c170fb33fa6