annotate lib/argp-help.c @ 5635:c86fa81615ac

(update copyright year)
author Sergey Poznyakoff <gray@gnu.org.ua>
date Wed, 02 Feb 2005 23:28:03 +0000
parents df0a8c05ca58
children a48fb0e98c8c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1 /* Hierarchial argument parsing help output
5635
c86fa81615ac (update copyright year)
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5634
diff changeset
2 Copyright (C) 1995-2003, 2004, 2005 Free Software Foundation, Inc.
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3 This file is part of the GNU C Library.
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4 Written by Miles Bader <miles@gnu.ai.mit.edu>.
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
5
4419
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
6 This program is free software; you can redistribute it and/or modify
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
7 it under the terms of the GNU General Public License as published by
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
8 the Free Software Foundation; either version 2, or (at your option)
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
9 any later version.
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
10
4419
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
11 This program is distributed in the hope that it will be useful,
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
4419
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
14 GNU General Public License for more details.
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
15
4419
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
16 You should have received a copy of the GNU General Public License along
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
17 with this program; if not, write to the Free Software Foundation,
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
19
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
20 #ifndef _GNU_SOURCE
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
21 # define _GNU_SOURCE 1
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
22 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
23
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
24 #ifdef HAVE_CONFIG_H
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
25 #include <config.h>
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
26 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
27
5067
1407b63897fd Simplify argp by assuming alloca module.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5000
diff changeset
28 #include <alloca.h>
5187
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
29 #include <errno.h>
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
30 #include <stddef.h>
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
31 #include <stdlib.h>
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
32 #include <string.h>
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
33 #include <assert.h>
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
34 #include <stdarg.h>
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
35 #include <ctype.h>
5000
fb87c5f96c33 update from glibc
Karl Berry <karl@freefriends.org>
parents: 4888
diff changeset
36 #include <limits.h>
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
37 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
38 # include <wchar.h>
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
39 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
40
5187
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
41 #ifdef _LIBC
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
42 # include <libintl.h>
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
43 # undef dgettext
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
44 # define dgettext(domain, msgid) \
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
45 INTUSE(__dcgettext) (domain, msgid, LC_MESSAGES)
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
46 #else
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
47 # include "gettext.h"
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
48 #endif
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
49
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
50 #include "argp.h"
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
51 #include "argp-fmtstream.h"
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
52 #include "argp-namefrob.h"
4736
60f76c3e517a updates from libc,automake
Karl Berry <karl@freefriends.org>
parents: 4536
diff changeset
53
60f76c3e517a updates from libc,automake
Karl Berry <karl@freefriends.org>
parents: 4536
diff changeset
54 #ifndef SIZE_MAX
60f76c3e517a updates from libc,automake
Karl Berry <karl@freefriends.org>
parents: 4536
diff changeset
55 # define SIZE_MAX ((size_t) -1)
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
56 #endif
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
57
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
58 /* User-selectable (using an environment variable) formatting parameters.
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
59
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
60 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
61 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
62 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
63 UPARAM_NAMES vector, below. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
64
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
65 /* Default parameters. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
66 #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
67 #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
68 #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
69 #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
70 #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
71 #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
72 #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
73 #define USAGE_INDENT 12 /* indentation of wrapped usage lines */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
74 #define RMARGIN 79 /* right margin used for wrapping */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
75
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
76 /* User-selectable (using an environment variable) formatting parameters.
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
77 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
78 struct uparams
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
79 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
80 /* 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
81 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
82 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
83 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
84 this really means both is printed below the options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
85 int dup_args;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
86
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
87 /* 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
88 been suppressed, an explanatory message should be printed. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
89 int dup_args_note;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
90
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
91 /* Various output columns. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
92 int short_opt_col;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
93 int long_opt_col;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
94 int doc_opt_col;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
95 int opt_doc_col;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
96 int header_col;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
97 int usage_indent;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
98 int rmargin;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
99
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
100 int valid; /* True when the values in here are valid. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
101 };
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
102
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
103 /* 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
104 static struct uparams uparams = {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
105 DUP_ARGS, DUP_ARGS_NOTE,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
106 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
107 USAGE_INDENT, RMARGIN,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
108 0
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
111 /* A particular uparam, and what the user name is. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
112 struct uparam_name
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
113 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
114 const char *name; /* User name. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
115 int is_bool; /* Whether it's `boolean'. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
116 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
117 };
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 /* The name-field mappings we know about. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
120 static const struct uparam_name uparam_names[] =
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 { "dup-args", 1, offsetof (struct uparams, dup_args) },
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
123 { "dup-args-note", 1, offsetof (struct uparams, dup_args_note) },
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
124 { "short-opt-col", 0, offsetof (struct uparams, short_opt_col) },
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
125 { "long-opt-col", 0, offsetof (struct uparams, long_opt_col) },
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
126 { "doc-opt-col", 0, offsetof (struct uparams, doc_opt_col) },
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
127 { "opt-doc-col", 0, offsetof (struct uparams, opt_doc_col) },
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
128 { "header-col", 0, offsetof (struct uparams, header_col) },
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
129 { "usage-indent", 0, offsetof (struct uparams, usage_indent) },
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
130 { "rmargin", 0, offsetof (struct uparams, rmargin) },
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
131 { 0 }
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
134 /* 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
135 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
136 fill_in_uparams (const struct argp_state *state)
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 const char *var = getenv ("ARGP_HELP_FMT");
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
139
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
140 #define SKIPWS(p) do { while (isspace (*p)) p++; } while (0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
141
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
142 if (var)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
143 /* Parse var. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
144 while (*var)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
145 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
146 SKIPWS (var);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
147
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
148 if (isalpha (*var))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
149 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
150 size_t var_len;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
151 const struct uparam_name *un;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
152 int unspec = 0, val = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
153 const char *arg = var;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
154
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
155 while (isalnum (*arg) || *arg == '-' || *arg == '_')
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
156 arg++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
157 var_len = arg - var;
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 SKIPWS (arg);
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 (*arg == '\0' || *arg == ',')
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
162 unspec = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
163 else if (*arg == '=')
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 arg++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
166 SKIPWS (arg);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
167 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
168
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
169 if (unspec)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
170 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
171 if (var[0] == 'n' && var[1] == 'o' && var[2] == '-')
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
172 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
173 val = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
174 var += 3;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
175 var_len -= 3;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
176 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
177 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
178 val = 1;
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 else if (isdigit (*arg))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
181 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
182 val = atoi (arg);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
183 while (isdigit (*arg))
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 for (un = uparam_names; un->name; un++)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
189 if (strlen (un->name) == var_len
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
190 && strncmp (var, un->name, var_len) == 0)
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 if (unspec && !un->is_bool)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
193 __argp_failure (state, 0, 0,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
194 dgettext (state->root_argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
195 %.*s: ARGP_HELP_FMT parameter requires a value"),
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
196 (int) var_len, var);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
197 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
198 *(int *)((char *)&uparams + un->uparams_offs) = val;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
199 break;
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 if (! un->name)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
202 __argp_failure (state, 0, 0,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
203 dgettext (state->root_argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
204 %.*s: Unknown ARGP_HELP_FMT parameter"),
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
205 (int) var_len, var);
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 var = arg;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
208 if (*var == ',')
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
209 var++;
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 else if (*var)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
212 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
213 __argp_failure (state, 0, 0,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
214 dgettext (state->root_argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
215 "Garbage in ARGP_HELP_FMT: %s"), var);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
216 break;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
217 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
218 }
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
221 /* 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
222 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
223 #define ovisible(opt) (! ((opt)->flags & OPTION_HIDDEN))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
224
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
225 /* 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
226 #define oalias(opt) ((opt)->flags & OPTION_ALIAS)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
227
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
228 /* Returns true if OPT is an documentation-only entry. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
229 #define odoc(opt) ((opt)->flags & OPTION_DOC)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
230
5276
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
231 /* Returns true if OPT should not be translated */
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
232 #define onotrans(opt) ((opt)->flags & OPTION_NO_TRANS)
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
233
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
234 /* 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
235 #define oend(opt) __option_is_end (opt)
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 /* Returns true if OPT has a short option. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
238 #define oshort(opt) __option_is_short (opt)
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 /*
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
241 The help format for a particular option is like:
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
242
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
243 -xARG, -yARG, --long1=ARG, --long2=ARG Documentation...
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
244
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
245 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
246 will be surrounded by "[" and "]" appropiately if the argument is
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
247 optional. The documentation string is word-wrapped appropiately, and if
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
248 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
249 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
250 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
251 to be in a separate column.
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 For example, the following output (from ps):
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
254
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
255 -p PID, --pid=PID List the process PID
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
256 --pgrp=PGRP List processes in the process group PGRP
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
257 -P, -x, --no-parent Include processes without parents
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
258 -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
259 some reason ps can't print a field for any
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
260 process, it's removed from the output entirely)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
261 -r, --reverse, --gratuitously-long-reverse-option
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
262 Reverse the order of any sort
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
263 --session[=SID] Add the processes from the session SID (which
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
264 defaults to the sid of the current process)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
265
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
266 Here are some more options:
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
267 -f ZOT, --foonly=ZOT Glork a foonly
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
268 -z, --zaza Snit a zar
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
269
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
270 -?, --help Give this help list
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
271 --usage Give a short usage message
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
272 -V, --version Print program version
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
273
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
274 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
275
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
276 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
277 {"pid", 'p', "PID", 0, "List the process PID"},
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
278 {"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
279 {"no-parent", 'P', 0, 0, "Include processes without parents"},
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
280 {0, 'x', 0, OPTION_ALIAS},
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
281 {"all-fields",'Q', 0, 0, "Don't elide unusable fields (normally"
4536
3358eb550c86 Leave whitespace alone when importing, undoing that part of yesterday's
Paul Eggert <eggert@cs.ucla.edu>
parents: 4533
diff changeset
282 " if there's some reason ps can't"
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
283 " print a field for any process, it's"
4536
3358eb550c86 Leave whitespace alone when importing, undoing that part of yesterday's
Paul Eggert <eggert@cs.ucla.edu>
parents: 4533
diff changeset
284 " removed from the output entirely)" },
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
285 {"reverse", 'r', 0, 0, "Reverse the order of any sort"},
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
286 {"gratuitously-long-reverse-option", 0, 0, OPTION_ALIAS},
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
287 {"session", OPT_SESS, "SID", OPTION_ARG_OPTIONAL,
4536
3358eb550c86 Leave whitespace alone when importing, undoing that part of yesterday's
Paul Eggert <eggert@cs.ucla.edu>
parents: 4533
diff changeset
288 "Add the processes from the session"
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
289 " SID (which defaults to the sid of"
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
290 " the current process)" },
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 {0,0,0,0, "Here are some more options:"},
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
293 {"foonly", 'f', "ZOT", 0, "Glork a foonly"},
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
294 {"zaza", 'z', 0, 0, "Snit a zar"},
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
295
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
296 {0}
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
297 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
298
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
299 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
300 unless you tell it not to with ARGP_NO_HELP.
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
301
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
302 */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
303
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
304 /* Returns true if CH occurs between BEG and END. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
305 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
306 find_char (char ch, char *beg, char *end)
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 while (beg < end)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
309 if (*beg == ch)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
310 return 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
311 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
312 beg++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
313 return 0;
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
316 struct hol_cluster; /* fwd decl */
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 struct hol_entry
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 /* First option. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
321 const struct argp_option *opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
322 /* Number of options (including aliases). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
323 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
324
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
325 /* 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
326 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
327 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
328 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
329 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
330 probably been shadowed by some other entry). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
331 char *short_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
332
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
333 /* Entries are sorted by their group first, in the order:
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
334 1, 2, ..., n, 0, -m, ..., -2, -1
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
335 and then alphabetically within each group. The default is 0. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
336 int group;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
337
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
338 /* 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
339 struct hol_cluster *cluster;
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 /* The argp from which this option came. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
342 const struct argp *argp;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
343 };
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
344
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
345 /* A cluster of entries to reflect the argp tree structure. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
346 struct hol_cluster
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
347 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
348 /* A descriptive header printed before options in this cluster. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
349 const char *header;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
350
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
351 /* 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
352 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
353 list. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
354 int index;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
355
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
356 /* 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
357 same depth (clusters always follow options in the same group). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
358 int group;
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 /* 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
361 level. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
362 struct hol_cluster *parent;
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 /* The argp from which this cluster is (eventually) derived. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
365 const struct argp *argp;
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 /* The distance this cluster is from the root. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
368 int depth;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
369
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
370 /* 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
371 possible. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
372 struct hol_cluster *next;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
373 };
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
374
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
375 /* A list of options for help. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
376 struct hol
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
377 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
378 /* An array of hol_entry's. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
379 struct hol_entry *entries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
380 /* 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
381 are undefined. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
382 unsigned num_entries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
383
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
384 /* A 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
385 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
386 char *short_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
387
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
388 /* Clusters of entries in this hol. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
389 struct hol_cluster *clusters;
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
392 /* 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
393 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
394 static struct hol *
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
395 make_hol (const struct argp *argp, struct hol_cluster *cluster)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
396 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
397 char *so;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
398 const struct argp_option *o;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
399 const struct argp_option *opts = argp->options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
400 struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
401 unsigned num_short_options = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
402 struct hol *hol = malloc (sizeof (struct hol));
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 assert (hol);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
405
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
406 hol->num_entries = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
407 hol->clusters = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
408
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
409 if (opts)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
410 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
411 int cur_group = 0;
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 /* The first option must not be an alias. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
414 assert (! oalias (opts));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
415
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
416 /* Calculate the space needed. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
417 for (o = opts; ! oend (o); o++)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
418 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
419 if (! oalias (o))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
420 hol->num_entries++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
421 if (oshort (o))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
422 num_short_options++; /* This is an upper bound. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
423 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
424
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
425 hol->entries = malloc (sizeof (struct hol_entry) * hol->num_entries);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
426 hol->short_options = malloc (num_short_options + 1);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
427
5000
fb87c5f96c33 update from glibc
Karl Berry <karl@freefriends.org>
parents: 4888
diff changeset
428 assert (hol->entries && hol->short_options);
5161
24371bb8c5a8 (make_hol, hol_append): Don't assume that
Paul Eggert <eggert@cs.ucla.edu>
parents: 5067
diff changeset
429 if (SIZE_MAX <= UINT_MAX)
24371bb8c5a8 (make_hol, hol_append): Don't assume that
Paul Eggert <eggert@cs.ucla.edu>
parents: 5067
diff changeset
430 assert (hol->num_entries <= SIZE_MAX / sizeof (struct hol_entry));
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
431
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
432 /* Fill in the entries. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
433 so = hol->short_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
434 for (o = opts, entry = hol->entries; ! oend (o); entry++)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
435 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
436 entry->opt = o;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
437 entry->num = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
438 entry->short_options = so;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
439 entry->group = cur_group =
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
440 o->group
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
441 ? o->group
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
442 : ((!o->name && !o->key)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
443 ? cur_group + 1
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
444 : cur_group);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
445 entry->cluster = cluster;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
446 entry->argp = argp;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
447
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
448 do
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->num++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
451 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
452 /* 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
453 *so++ = o->key;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
454 o++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
455 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
456 while (! oend (o) && oalias (o));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
457 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
458 *so = '\0'; /* null terminated so we can find the length */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
459 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
460
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
461 return hol;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
462 }
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 /* 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
465 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
466 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
467 static struct hol_cluster *
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
468 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
469 struct hol_cluster *parent, const struct argp *argp)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
470 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
471 struct hol_cluster *cl = malloc (sizeof (struct hol_cluster));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
472 if (cl)
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 cl->group = group;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
475 cl->header = header;
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 cl->index = index;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
478 cl->parent = parent;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
479 cl->argp = argp;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
480 cl->depth = parent ? parent->depth + 1 : 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
481
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
482 cl->next = hol->clusters;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
483 hol->clusters = cl;
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 return cl;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
486 }
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 /* Free HOL and any resources it uses. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
489 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
490 hol_free (struct hol *hol)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
491 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
492 struct hol_cluster *cl = hol->clusters;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
493
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
494 while (cl)
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 struct hol_cluster *next = cl->next;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
497 free (cl);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
498 cl = next;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
499 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
500
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
501 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
502 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
503 free (hol->entries);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
504 free (hol->short_options);
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
507 free (hol);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
508 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
509
4419
9b828c973b9d Get lib/argp* from glibc.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4385
diff changeset
510 static int
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
511 hol_entry_short_iterate (const struct hol_entry *entry,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
512 int (*func)(const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
513 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
514 const char *domain, void *cookie),
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
515 const char *domain, void *cookie)
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 unsigned nopts;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
518 int val = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
519 const struct argp_option *opt, *real = entry->opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
520 char *so = entry->short_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
521
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
522 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
523 if (oshort (opt) && *so == opt->key)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
524 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
525 if (!oalias (opt))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
526 real = opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
527 if (ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
528 val = (*func)(opt, real, domain, cookie);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
529 so++;
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
532 return val;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
533 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
534
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
535 static inline int
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
536 __attribute__ ((always_inline))
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
537 hol_entry_long_iterate (const struct hol_entry *entry,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
538 int (*func)(const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
539 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
540 const char *domain, void *cookie),
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
541 const char *domain, void *cookie)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
542 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
543 unsigned nopts;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
544 int val = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
545 const struct argp_option *opt, *real = entry->opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
546
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
547 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
548 if (opt->name)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
549 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
550 if (!oalias (opt))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
551 real = opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
552 if (ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
553 val = (*func)(opt, real, domain, cookie);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
554 }
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 return val;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
557 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
558
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
559 /* Iterator that returns true for the first short option. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
560 static inline int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
561 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
562 const char *domain, void *cookie)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
563 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
564 return oshort (opt) ? opt->key : 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
565 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
566
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
567 /* 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
568 static char
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
569 hol_entry_first_short (const struct hol_entry *entry)
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 return hol_entry_short_iterate (entry, until_short,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
572 entry->argp->argp_domain, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
573 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
574
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
575 /* 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
576 static const char *
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
577 hol_entry_first_long (const struct hol_entry *entry)
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 const struct argp_option *opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
580 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
581 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
582 if (opt->name && ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
583 return opt->name;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
584 return 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
585 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
586
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
587 /* 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
588 none. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
589 static struct hol_entry *
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
590 hol_find_entry (struct hol *hol, const char *name)
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 struct hol_entry *entry = hol->entries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
593 unsigned num_entries = hol->num_entries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
594
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
595 while (num_entries-- > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
596 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
597 const struct argp_option *opt = entry->opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
598 unsigned num_opts = entry->num;
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 while (num_opts-- > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
601 if (opt->name && ovisible (opt) && strcmp (opt->name, name) == 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
602 return entry;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
603 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
604 opt++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
605
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
606 entry++;
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
609 return 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
610 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
611
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
612 /* 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
613 sort position to GROUP. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
614 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
615 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
616 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
617 struct hol_entry *entry = hol_find_entry (hol, name);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
618 if (entry)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
619 entry->group = group;
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 /* Order by group: 0, 1, 2, ..., n, -m, ..., -2, -1.
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
623 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
624 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
625 group_cmp (int group1, int group2, int eq)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
626 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
627 if (group1 == group2)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
628 return eq;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
629 else if ((group1 < 0 && group2 < 0) || (group1 >= 0 && group2 >= 0))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
630 return group1 - group2;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
631 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
632 return group2 - group1;
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 /* 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
636 output. */
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 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
639 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
640 /* 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
641 level, so that finding the common ancestor is straightforward. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
642 while (cl1->depth < cl2->depth)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
643 cl1 = cl1->parent;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
644 while (cl2->depth < cl1->depth)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
645 cl2 = cl2->parent;
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 /* 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
648 a common parent; these can be directly compared. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
649 while (cl1->parent != cl2->parent)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
650 cl1 = cl1->parent, cl2 = cl2->parent;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
651
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
652 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
653 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
654
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
655 /* 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
656 of 0). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
657 static struct hol_cluster *
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
658 hol_cluster_base (struct hol_cluster *cl)
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 while (cl->parent)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
661 cl = cl->parent;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
662 return cl;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
663 }
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 true if CL1 is a child of CL2. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
666 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
667 hol_cluster_is_child (const struct hol_cluster *cl1,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
668 const struct hol_cluster *cl2)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
669 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
670 while (cl1 && cl1 != cl2)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
671 cl1 = cl1->parent;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
672 return cl1 == cl2;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
673 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
674
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
675 /* 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
676 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
677 treated as a non-option. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
678 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
679 canon_doc_option (const char **name)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
680 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
681 int non_opt;
5276
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
682
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
683 if (!*name)
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
684 non_opt = 1;
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
685 else
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
686 {
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
687 /* Skip initial whitespace. */
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
688 while (isspace (**name))
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
689 (*name)++;
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
690 /* Decide whether this looks like an option (leading `-') or not. */
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
691 non_opt = (**name != '-');
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
692 /* Skip until part of name used for sorting. */
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
693 while (**name && !isalnum (**name))
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
694 (*name)++;
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
695 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
696 return non_opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
697 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
698
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
699 /* 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
700 listing. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
701 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
702 hol_entry_cmp (const struct hol_entry *entry1,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
703 const struct hol_entry *entry2)
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 /* 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
706 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
707 int group1 = entry1->group, group2 = entry2->group;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
708
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
709 if (entry1->cluster != entry2->cluster)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
710 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
711 /* 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
712 directly, we have to use the appropiate clustering level too. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
713 if (! entry1->cluster)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
714 /* 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
715 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
716 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
717 clustered option always comes laster. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
718 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
719 else if (! entry2->cluster)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
720 /* Likewise, but ENTRY2's not in a cluster. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
721 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
722 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
723 /* 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
724 return hol_cluster_cmp (entry1->cluster, entry2->cluster);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
725 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
726 else if (group1 == group2)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
727 /* 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
728 alphabetically. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
729 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
730 int short1 = hol_entry_first_short (entry1);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
731 int short2 = hol_entry_first_short (entry2);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
732 int doc1 = odoc (entry1->opt);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
733 int doc2 = odoc (entry2->opt);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
734 const char *long1 = hol_entry_first_long (entry1);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
735 const char *long2 = hol_entry_first_long (entry2);
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 if (doc1)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
738 doc1 = canon_doc_option (&long1);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
739 if (doc2)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
740 doc2 = canon_doc_option (&long2);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
741
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
742 if (doc1 != doc2)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
743 /* `documentation' options always follow normal options (or
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
744 documentation options that *look* like normal options). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
745 return doc1 - doc2;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
746 else if (!short1 && !short2 && long1 && long2)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
747 /* Only long options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
748 return __strcasecmp (long1, long2);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
749 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
750 /* Compare short/short, long/short, short/long, using the first
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
751 character of long options. Entries without *any* valid
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
752 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
753 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
754 they are. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
755 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
756 char first1 = short1 ? short1 : long1 ? *long1 : 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
757 char first2 = short2 ? short2 : long2 ? *long2 : 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
758 #ifdef _tolower
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
759 int lower_cmp = _tolower (first1) - _tolower (first2);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
760 #else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
761 int lower_cmp = tolower (first1) - tolower (first2);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
762 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
763 /* Compare ignoring case, except when the options are both the
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
764 same letter, in which case lower-case always comes first. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
765 return lower_cmp ? lower_cmp : first2 - first1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
766 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
767 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
768 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
769 /* 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
770 groups. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
771 return group_cmp (group1, group2, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
772 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
773
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
774 /* Version of hol_entry_cmp with correct signature for qsort. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
775 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
776 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
777 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
778 return hol_entry_cmp (entry1_v, entry2_v);
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 /* 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
782 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
783 only, the shadowing of options isn't effected. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
784 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
785 hol_sort (struct hol *hol)
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 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
788 qsort (hol->entries, hol->num_entries, sizeof (struct hol_entry),
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
789 hol_entry_qcmp);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
790 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
791
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
792 /* 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
793 any in MORE with the same name. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
794 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
795 hol_append (struct hol *hol, struct hol *more)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
796 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
797 struct hol_cluster **cl_end = &hol->clusters;
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 /* 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
800 while (*cl_end)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
801 cl_end = &(*cl_end)->next;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
802 *cl_end = more->clusters;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
803 more->clusters = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
804
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
805 /* Merge entries. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
806 if (more->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
807 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
808 if (hol->num_entries == 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
809 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
810 hol->num_entries = more->num_entries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
811 hol->entries = more->entries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
812 hol->short_options = more->short_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
813 more->num_entries = 0; /* Mark MORE's fields as invalid. */
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 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
816 /* 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
817 non-shadowed SHORT_OPTIONS values. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
818 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
819 unsigned left;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
820 char *so, *more_so;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
821 struct hol_entry *e;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
822 unsigned num_entries = hol->num_entries + more->num_entries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
823 struct hol_entry *entries =
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
824 malloc (num_entries * sizeof (struct hol_entry));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
825 unsigned hol_so_len = strlen (hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
826 char *short_options =
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
827 malloc (hol_so_len + strlen (more->short_options) + 1);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
828
5000
fb87c5f96c33 update from glibc
Karl Berry <karl@freefriends.org>
parents: 4888
diff changeset
829 assert (entries && short_options);
5161
24371bb8c5a8 (make_hol, hol_append): Don't assume that
Paul Eggert <eggert@cs.ucla.edu>
parents: 5067
diff changeset
830 if (SIZE_MAX <= UINT_MAX)
24371bb8c5a8 (make_hol, hol_append): Don't assume that
Paul Eggert <eggert@cs.ucla.edu>
parents: 5067
diff changeset
831 assert (num_entries <= SIZE_MAX / sizeof (struct hol_entry));
4736
60f76c3e517a updates from libc,automake
Karl Berry <karl@freefriends.org>
parents: 4536
diff changeset
832
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
833 __mempcpy (__mempcpy (entries, hol->entries,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
834 hol->num_entries * sizeof (struct hol_entry)),
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
835 more->entries,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
836 more->num_entries * sizeof (struct hol_entry));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
837
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
838 __mempcpy (short_options, hol->short_options, hol_so_len);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
839
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
840 /* Fix up the short options pointers from HOL. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
841 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
842 e->short_options += (short_options - hol->short_options);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
843
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
844 /* 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
845 too. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
846 so = short_options + hol_so_len;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
847 more_so = more->short_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
848 for (left = more->num_entries; left > 0; e++, left--)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
849 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
850 int opts_left;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
851 const struct argp_option *opt;
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 e->short_options = so;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
854
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
855 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
856 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
857 int ch = *more_so;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
858 if (oshort (opt) && ch == opt->key)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
859 /* 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
860 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
861 if (! find_char (ch, short_options,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
862 short_options + hol_so_len))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
863 /* 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
864 so add it to the sum. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
865 *so++ = ch;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
866 more_so++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
867 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
868 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
869 }
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 *so = '\0';
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 free (hol->entries);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
874 free (hol->short_options);
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 hol->entries = entries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
877 hol->num_entries = num_entries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
878 hol->short_options = short_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
879 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
880 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
881
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
882 hol_free (more);
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 /* 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
886 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
887 indent_to (argp_fmtstream_t stream, unsigned col)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
888 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
889 int needed = col - __argp_fmtstream_point (stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
890 while (needed-- > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
891 __argp_fmtstream_putc (stream, ' ');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
892 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
893
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
894 /* 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
895 least ENSURE characters before the right margin. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
896 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
897 space (argp_fmtstream_t stream, size_t ensure)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
898 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
899 if (__argp_fmtstream_point (stream) + ensure
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
900 >= __argp_fmtstream_rmargin (stream))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
901 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
902 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
903 __argp_fmtstream_putc (stream, ' ');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
904 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
905
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
906 /* 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
907 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
908 optional argument. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
909 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
910 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
911 const char *domain, argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
912 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
913 if (real->arg)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
914 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
915 if (real->flags & OPTION_ARG_OPTIONAL)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
916 __argp_fmtstream_printf (stream, opt_fmt,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
917 dgettext (domain, real->arg));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
918 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
919 __argp_fmtstream_printf (stream, req_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 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
922 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
923
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
924 /* Helper functions for hol_entry_help. */
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 /* State used during the execution of hol_help. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
927 struct hol_help_state
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 /* PREV_ENTRY should contain the previous entry printed, or 0. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
930 struct hol_entry *prev_entry;
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 /* 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
933 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
934 int sep_groups;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
935
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
936 /* 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
937 UPARAMS.dup_args is false). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
938 int suppressed_dup_arg;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
939 };
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
940
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
941 /* 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
942 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
943 of the fields are copied from its arguments. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
944 struct pentry_state
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
945 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
946 const struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
947 argp_fmtstream_t stream;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
948 struct hol_help_state *hhstate;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
949
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
950 /* True if nothing's been printed so far. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
951 int first;
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 /* 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
954 const struct argp_state *state;
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
957 /* 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
958 static const char *
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
959 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
960 const struct argp_state *state)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
961 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
962 if (argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
963 /* We must apply a user filter to this output. */
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 void *input = __argp_input (argp, state);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
966 return (*argp->help_filter) (key, doc, input);
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 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
969 /* No filter. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
970 return doc;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
971 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
972
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
973 /* 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
974 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
975 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
976 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
977 to 0. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
978 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
979 print_header (const char *str, const struct argp *argp,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
980 struct pentry_state *pest)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
981 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
982 const char *tstr = dgettext (argp->argp_domain, str);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
983 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
984
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
985 if (fstr)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
986 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
987 if (*fstr)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
988 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
989 if (pest->hhstate->prev_entry)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
990 /* Precede with a blank line. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
991 __argp_fmtstream_putc (pest->stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
992 indent_to (pest->stream, uparams.header_col);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
993 __argp_fmtstream_set_lmargin (pest->stream, uparams.header_col);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
994 __argp_fmtstream_set_wmargin (pest->stream, uparams.header_col);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
995 __argp_fmtstream_puts (pest->stream, fstr);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
996 __argp_fmtstream_set_lmargin (pest->stream, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
997 __argp_fmtstream_putc (pest->stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
998 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
999
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1000 pest->hhstate->sep_groups = 1; /* Separate subsequent groups. */
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 if (fstr != tstr)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1004 free ((char *) fstr);
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1007 /* 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
1008 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
1009 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
1010 clears FIRST. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1011 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1012 comma (unsigned col, struct pentry_state *pest)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1013 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1014 if (pest->first)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1015 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1016 const struct hol_entry *pe = pest->hhstate->prev_entry;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1017 const struct hol_cluster *cl = pest->entry->cluster;
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 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
1020 __argp_fmtstream_putc (pest->stream, '\n');
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 (cl && cl->header && *cl->header
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1023 && (!pe
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1024 || (pe->cluster != cl
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1025 && !hol_cluster_is_child (pe->cluster, cl))))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1026 /* 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
1027 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
1028 (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
1029 If so, then print the cluster's header line. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1030 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1031 int old_wm = __argp_fmtstream_wmargin (pest->stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1032 print_header (cl->header, cl->argp, pest);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1033 __argp_fmtstream_set_wmargin (pest->stream, old_wm);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1034 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1035
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1036 pest->first = 0;
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 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1039 __argp_fmtstream_puts (pest->stream, ", ");
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 indent_to (pest->stream, col);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1042 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1043
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1044 /* Print help for ENTRY to STREAM. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1045 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1046 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
1047 argp_fmtstream_t stream, struct hol_help_state *hhstate)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1048 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1049 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1050 const struct argp_option *real = entry->opt, *opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1051 char *so = entry->short_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1052 int have_long_opt = 0; /* We have any long options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1053 /* Saved margins. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1054 int old_lm = __argp_fmtstream_set_lmargin (stream, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1055 int old_wm = __argp_fmtstream_wmargin (stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1056 /* 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
1057 share with helper functions. */
5616
468bfd52146d Avoid using non-constant initializers for struct pentry_state.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5276
diff changeset
1058 struct pentry_state pest;
468bfd52146d Avoid using non-constant initializers for struct pentry_state.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5276
diff changeset
1059
468bfd52146d Avoid using non-constant initializers for struct pentry_state.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5276
diff changeset
1060 pest.entry = entry;
468bfd52146d Avoid using non-constant initializers for struct pentry_state.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5276
diff changeset
1061 pest.stream = stream;
468bfd52146d Avoid using non-constant initializers for struct pentry_state.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5276
diff changeset
1062 pest.hhstate = hhstate;
468bfd52146d Avoid using non-constant initializers for struct pentry_state.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5276
diff changeset
1063 pest.first = 1;
468bfd52146d Avoid using non-constant initializers for struct pentry_state.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5276
diff changeset
1064 pest.state = state;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1065
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1066 if (! odoc (real))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1067 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1068 if (opt->name && ovisible (opt))
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 have_long_opt = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1071 break;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1072 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1073
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1074 /* First emit short options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1075 __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
1076 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1077 if (oshort (opt) && opt->key == *so)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1078 /* OPT has a valid (non shadowed) short option. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1079 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1080 if (ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1081 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1082 comma (uparams.short_opt_col, &pest);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1083 __argp_fmtstream_putc (stream, '-');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1084 __argp_fmtstream_putc (stream, *so);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1085 if (!have_long_opt || uparams.dup_args)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1086 arg (real, " %s", "[%s]", state->root_argp->argp_domain, stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1087 else if (real->arg)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1088 hhstate->suppressed_dup_arg = 1;
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 so++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1091 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1092
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1093 /* Now, long options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1094 if (odoc (real))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1095 /* A `documentation' option. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1096 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1097 __argp_fmtstream_set_wmargin (stream, uparams.doc_opt_col);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1098 for (opt = real, num = entry->num; num > 0; opt++, num--)
5276
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
1099 if (opt->name && *opt->name && ovisible (opt))
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1100 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1101 comma (uparams.doc_opt_col, &pest);
5276
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
1102 /* Calling dgettext here isn't quite right, since sorting will
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1103 have been done on the original; but documentation options
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1104 should be pretty rare anyway... */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1105 __argp_fmtstream_puts (stream,
5276
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
1106 onotrans (opt) ?
ce6b492917db (canon_doc_option): Fixed coredump if *name==NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 5187
diff changeset
1107 opt->name :
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1108 dgettext (state->root_argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1109 opt->name));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1110 }
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 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1113 /* A real long option. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1114 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1115 int first_long_opt = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1116
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1117 __argp_fmtstream_set_wmargin (stream, uparams.long_opt_col);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1118 for (opt = real, num = entry->num; num > 0; opt++, num--)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1119 if (opt->name && ovisible (opt))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1120 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1121 comma (uparams.long_opt_col, &pest);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1122 __argp_fmtstream_printf (stream, "--%s", opt->name);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1123 if (first_long_opt || uparams.dup_args)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1124 arg (real, "=%s", "[=%s]", state->root_argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1125 stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1126 else if (real->arg)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1127 hhstate->suppressed_dup_arg = 1;
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 }
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 /* Next, documentation strings. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1132 __argp_fmtstream_set_lmargin (stream, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1133
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1134 if (pest.first)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1135 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1136 /* Didn't print any switches, what's up? */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1137 if (!oshort (real) && !real->name)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1138 /* This is a group header, print it nicely. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1139 print_header (real->doc, entry->argp, &pest);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1140 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1141 /* Just a totally shadowed option or null header; print nothing. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1142 goto cleanup; /* Just return, after cleaning up. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1143 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1144 else
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 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
1147 real->doc) : 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1148 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
1149 if (fstr && *fstr)
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 unsigned int col = __argp_fmtstream_point (stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1152
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1153 __argp_fmtstream_set_lmargin (stream, uparams.opt_doc_col);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1154 __argp_fmtstream_set_wmargin (stream, uparams.opt_doc_col);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1155
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1156 if (col > (unsigned int) (uparams.opt_doc_col + 3))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1157 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1158 else if (col >= (unsigned int) uparams.opt_doc_col)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1159 __argp_fmtstream_puts (stream, " ");
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1160 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1161 indent_to (stream, uparams.opt_doc_col);
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 __argp_fmtstream_puts (stream, fstr);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1164 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1165 if (fstr && fstr != tstr)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1166 free ((char *) fstr);
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 /* Reset the left margin. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1169 __argp_fmtstream_set_lmargin (stream, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1170 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1171 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1172
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1173 hhstate->prev_entry = entry;
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 cleanup:
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1176 __argp_fmtstream_set_lmargin (stream, old_lm);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1177 __argp_fmtstream_set_wmargin (stream, old_wm);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1178 }
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 /* 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
1181 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1182 hol_help (struct hol *hol, const struct argp_state *state,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1183 argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1184 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1185 unsigned num;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1186 struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1187 struct hol_help_state hhstate = { 0, 0, 0 };
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 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
1190 hol_entry_help (entry, state, stream, &hhstate);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1191
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1192 if (hhstate.suppressed_dup_arg && uparams.dup_args_note)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1193 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1194 const char *tstr = dgettext (state->root_argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1195 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
1196 optional for any corresponding short options.");
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1197 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
1198 state ? state->root_argp : 0, state);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1199 if (fstr && *fstr)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1200 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1201 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1202 __argp_fmtstream_puts (stream, fstr);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1203 __argp_fmtstream_putc (stream, '\n');
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 if (fstr && fstr != tstr)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1206 free ((char *) fstr);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1207 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1208 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1209
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1210 /* Helper functions for hol_usage. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1211
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1212 /* 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
1213 pointer pointer to by COOKIE, and advance the pointer. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1214 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1215 add_argless_short_opt (const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1216 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1217 const char *domain, void *cookie)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1218 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1219 char **snao_end = cookie;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1220 if (!(opt->arg || real->arg)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1221 && !((opt->flags | real->flags) & OPTION_NO_USAGE))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1222 *(*snao_end)++ = opt->key;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1223 return 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1224 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1225
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1226 /* 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
1227 stream pointed at by COOKIE. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1228 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1229 usage_argful_short_opt (const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1230 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1231 const char *domain, void *cookie)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1232 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1233 argp_fmtstream_t stream = cookie;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1234 const char *arg = opt->arg;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1235 int flags = opt->flags | real->flags;
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 if (! arg)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1238 arg = real->arg;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1239
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1240 if (arg && !(flags & OPTION_NO_USAGE))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1241 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1242 arg = dgettext (domain, arg);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1243
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1244 if (flags & OPTION_ARG_OPTIONAL)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1245 __argp_fmtstream_printf (stream, " [-%c[%s]]", opt->key, arg);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1246 else
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 /* Manually do line wrapping so that it (probably) won't
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1249 get wrapped at the embedded space. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1250 space (stream, 6 + strlen (arg));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1251 __argp_fmtstream_printf (stream, "[-%c %s]", opt->key, arg);
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 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1254
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1255 return 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1256 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1257
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1258 /* 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
1259 COOKIE. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1260 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1261 usage_long_opt (const struct argp_option *opt,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1262 const struct argp_option *real,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1263 const char *domain, void *cookie)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1264 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1265 argp_fmtstream_t stream = cookie;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1266 const char *arg = opt->arg;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1267 int flags = opt->flags | real->flags;
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 arg = real->arg;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1271
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1272 if (! (flags & OPTION_NO_USAGE))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1273 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1274 if (arg)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1275 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1276 arg = dgettext (domain, arg);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1277 if (flags & OPTION_ARG_OPTIONAL)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1278 __argp_fmtstream_printf (stream, " [--%s[=%s]]", opt->name, arg);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1279 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1280 __argp_fmtstream_printf (stream, " [--%s=%s]", opt->name, arg);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1281 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1282 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1283 __argp_fmtstream_printf (stream, " [--%s]", opt->name);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1284 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1285
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1286 return 0;
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1289 /* 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
1290 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1291 hol_usage (struct hol *hol, argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1292 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1293 if (hol->num_entries > 0)
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 unsigned nentries;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1296 struct hol_entry *entry;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1297 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
1298 char *snao_end = short_no_arg_opts;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1299
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1300 /* First we put a list of short options without arguments. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1301 for (entry = hol->entries, nentries = hol->num_entries
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1302 ; nentries > 0
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1303 ; entry++, nentries--)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1304 hol_entry_short_iterate (entry, add_argless_short_opt,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1305 entry->argp->argp_domain, &snao_end);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1306 if (snao_end > short_no_arg_opts)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1307 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1308 *snao_end++ = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1309 __argp_fmtstream_printf (stream, " [-%s]", short_no_arg_opts);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1310 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1311
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1312 /* Now a list of short options *with* arguments. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1313 for (entry = hol->entries, nentries = hol->num_entries
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1314 ; nentries > 0
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1315 ; entry++, nentries--)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1316 hol_entry_short_iterate (entry, usage_argful_short_opt,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1317 entry->argp->argp_domain, stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1318
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1319 /* Finally, a list of long options (whew!). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1320 for (entry = hol->entries, nentries = hol->num_entries
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1321 ; nentries > 0
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1322 ; entry++, nentries--)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1323 hol_entry_long_iterate (entry, usage_long_opt,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1324 entry->argp->argp_domain, stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1325 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1326 }
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 /* 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
1329 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
1330 static struct hol *
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1331 argp_hol (const struct argp *argp, struct hol_cluster *cluster)
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 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1334 struct hol *hol = make_hol (argp, cluster);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1335 if (child)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1336 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1337 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1338 struct hol_cluster *child_cluster =
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1339 ((child->group || child->header)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1340 /* Put CHILD->argp within its own cluster. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1341 ? hol_add_cluster (hol, child->group, child->header,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1342 child - argp->children, cluster, argp)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1343 /* Just merge it into the parent's cluster. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1344 : cluster);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1345 hol_append (hol, argp_hol (child->argp, child_cluster)) ;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1346 child++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1347 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1348 return hol;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1349 }
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 /* 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
1352 ARGP. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1353 static size_t
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1354 argp_args_levels (const struct argp *argp)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1355 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1356 size_t levels = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1357 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1358
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1359 if (argp->args_doc && strchr (argp->args_doc, '\n'))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1360 levels++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1361
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1362 if (child)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1363 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1364 levels += argp_args_levels ((child++)->argp);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1365
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1366 return levels;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1367 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1368
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1369 /* 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
1370 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
1371 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
1372 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
1373 returned as long as there are more patterns to output. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1374 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1375 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
1376 char **levels, int advance, argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1377 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1378 char *our_level = *levels;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1379 int multiple = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1380 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1381 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
1382 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
1383
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1384 if (fdoc)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1385 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1386 const char *cp = fdoc;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1387 nl = __strchrnul (cp, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1388 if (*nl != '\0')
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1389 /* 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
1390 as determined by our state in LEVELS, and update LEVELS. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1391 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1392 int i;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1393 multiple = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1394 for (i = 0; i < *our_level; i++)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1395 cp = nl + 1, nl = __strchrnul (cp, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1396 (*levels)++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1397 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1398
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1399 /* 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
1400 any embedded spaces. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1401 space (stream, 1 + nl - cp);
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 __argp_fmtstream_write (stream, cp, nl - cp);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1404 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1405 if (fdoc && fdoc != tdoc)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1406 free ((char *)fdoc); /* Free user's modified doc string. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1407
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1408 if (child)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1409 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1410 advance = !argp_args_usage ((child++)->argp, state, levels, advance, stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1411
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1412 if (advance && multiple)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1413 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1414 /* Need to increment our level. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1415 if (*nl)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1416 /* There's more we can do here. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1417 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1418 (*our_level)++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1419 advance = 0; /* Our parent shouldn't advance also. */
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 else if (*our_level > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1422 /* 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
1423 *our_level = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1424 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1425
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1426 return !advance;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1427 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1428
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1429 /* 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
1430 everything preceeding a `\v' character in the documentation strings (or
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1431 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
1432 following the `\v' character (nothing for strings without). Each separate
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1433 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
1434 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
1435 occurrence is output. Returns true if anything was output. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1436 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1437 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
1438 int post, int pre_blank, int first_only,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1439 argp_fmtstream_t stream)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1440 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1441 const char *text;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1442 const char *inp_text;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1443 void *input = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1444 int anything = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1445 size_t inp_text_limit = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1446 const char *doc = dgettext (argp->argp_domain, argp->doc);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1447 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1448
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1449 if (doc)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1450 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1451 char *vt = strchr (doc, '\v');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1452 inp_text = post ? (vt ? vt + 1 : 0) : doc;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1453 inp_text_limit = (!post && vt) ? (vt - doc) : 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1454 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1455 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1456 inp_text = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1457
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1458 if (argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1459 /* We have to filter the doc strings. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1460 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1461 if (inp_text_limit)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1462 /* Copy INP_TEXT so that it's nul-terminated. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1463 inp_text = __strndup (inp_text, inp_text_limit);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1464 input = __argp_input (argp, state);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1465 text =
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1466 (*argp->help_filter) (post
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1467 ? ARGP_KEY_HELP_POST_DOC
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1468 : ARGP_KEY_HELP_PRE_DOC,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1469 inp_text, input);
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 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1472 text = (const char *) inp_text;
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)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1475 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1476 if (pre_blank)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1477 __argp_fmtstream_putc (stream, '\n');
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 (text == inp_text && inp_text_limit)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1480 __argp_fmtstream_write (stream, inp_text, inp_text_limit);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1481 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1482 __argp_fmtstream_puts (stream, text);
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 if (__argp_fmtstream_point (stream) > __argp_fmtstream_lmargin (stream))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1485 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1486
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1487 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1488 }
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 (text && text != inp_text)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1491 free ((char *) text); /* Free TEXT returned from the help filter. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1492 if (inp_text && inp_text_limit && argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1493 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
1494
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1495 if (post && argp->help_filter)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1496 /* 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
1497 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1498 text = (*argp->help_filter) (ARGP_KEY_HELP_EXTRA, 0, input);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1499 if (text)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1500 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1501 if (anything || pre_blank)
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 __argp_fmtstream_puts (stream, text);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1504 free ((char *) text);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1505 if (__argp_fmtstream_point (stream)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1506 > __argp_fmtstream_lmargin (stream))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1507 __argp_fmtstream_putc (stream, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1508 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1509 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1510 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1511
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1512 if (child)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1513 while (child->argp && !(first_only && anything))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1514 anything |=
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1515 argp_doc ((child++)->argp, state,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1516 post, anything || pre_blank, first_only,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1517 stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1518
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1519 return anything;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1520 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1521
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1522 /* 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
1523 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
1524 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
1525 needed. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1526 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1527 _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
1528 unsigned flags, char *name)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1529 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1530 int anything = 0; /* Whether we've output anything. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1531 struct hol *hol = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1532 argp_fmtstream_t fs;
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 (! stream)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1535 return;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1536
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1537 #if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1538 __flockfile (stream);
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1539 #endif
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1540
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1541 if (! uparams.valid)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1542 fill_in_uparams (state);
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 fs = __argp_make_fmtstream (stream, 0, uparams.rmargin, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1545 if (! fs)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1546 {
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1547 #if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1548 __funlockfile (stream);
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1549 #endif
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1550 return;
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1553 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
1554 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1555 hol = argp_hol (argp, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1556
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1557 /* If present, these options always come last. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1558 hol_set_group (hol, "help", -1);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1559 hol_set_group (hol, "version", -1);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1560
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1561 hol_sort (hol);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1562 }
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 if (flags & (ARGP_HELP_USAGE | ARGP_HELP_SHORT_USAGE))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1565 /* Print a short `Usage:' message. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1566 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1567 int first_pattern = 1, more_patterns;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1568 size_t num_pattern_levels = argp_args_levels (argp);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1569 char *pattern_levels = alloca (num_pattern_levels);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1570
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1571 memset (pattern_levels, 0, num_pattern_levels);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1572
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1573 do
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1574 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1575 int old_lm;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1576 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
1577 char *levels = pattern_levels;
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 if (first_pattern)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1580 __argp_fmtstream_printf (fs, "%s %s",
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1581 dgettext (argp->argp_domain, "Usage:"),
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1582 name);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1583 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1584 __argp_fmtstream_printf (fs, "%s %s",
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1585 dgettext (argp->argp_domain, " or: "),
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1586 name);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1587
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1588 /* 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
1589 manually wraps options with newline to avoid annoying breaks. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1590 old_lm = __argp_fmtstream_set_lmargin (fs, uparams.usage_indent);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1591
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1592 if (flags & ARGP_HELP_SHORT_USAGE)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1593 /* Just show where the options go. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1594 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1595 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1596 __argp_fmtstream_puts (fs, dgettext (argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1597 " [OPTION...]"));
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 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1600 /* Actually print the options. */
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 hol_usage (hol, fs);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1603 flags |= ARGP_HELP_SHORT_USAGE; /* But only do so once. */
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1606 more_patterns = argp_args_usage (argp, state, &levels, 1, fs);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1607
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1608 __argp_fmtstream_set_wmargin (fs, old_wm);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1609 __argp_fmtstream_set_lmargin (fs, old_lm);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1610
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1611 __argp_fmtstream_putc (fs, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1612 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1613
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1614 first_pattern = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1615 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1616 while (more_patterns);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1617 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1618
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1619 if (flags & ARGP_HELP_PRE_DOC)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1620 anything |= argp_doc (argp, state, 0, 0, 1, fs);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1621
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1622 if (flags & ARGP_HELP_SEE)
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 __argp_fmtstream_printf (fs, dgettext (argp->argp_domain, "\
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1625 Try `%s --help' or `%s --usage' for more information.\n"),
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1626 name, name);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1627 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1628 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1629
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1630 if (flags & ARGP_HELP_LONG)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1631 /* Print a long, detailed help message. */
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 /* Print info about all the options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1634 if (hol->num_entries > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1635 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1636 if (anything)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1637 __argp_fmtstream_putc (fs, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1638 hol_help (hol, state, fs);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1639 anything = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1640 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1641 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1642
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1643 if (flags & ARGP_HELP_POST_DOC)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1644 /* Print any documentation strings at the end. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1645 anything |= argp_doc (argp, state, 1, anything, 0, fs);
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 if ((flags & ARGP_HELP_BUG_ADDR) && argp_program_bug_address)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1648 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1649 if (anything)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1650 __argp_fmtstream_putc (fs, '\n');
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1651 __argp_fmtstream_printf (fs, dgettext (argp->argp_domain,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1652 "Report bugs to %s.\n"),
4536
3358eb550c86 Leave whitespace alone when importing, undoing that part of yesterday's
Paul Eggert <eggert@cs.ucla.edu>
parents: 4533
diff changeset
1653 argp_program_bug_address);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1654 anything = 1;
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
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1657 #if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1658 __funlockfile (stream);
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1659 #endif
4385
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 if (hol)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1662 hol_free (hol);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1663
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1664 __argp_fmtstream_free (fs);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1665 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1666
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1667 /* 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
1668 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
1669 void __argp_help (const struct argp *argp, FILE *stream,
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1670 unsigned flags, char *name)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1671 {
5634
df0a8c05ca58 (__argp_help): Create a fake struct argp_state and
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5620
diff changeset
1672 struct argp_state state;
df0a8c05ca58 (__argp_help): Create a fake struct argp_state and
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5620
diff changeset
1673 memset (&state, 0, sizeof state);
df0a8c05ca58 (__argp_help): Create a fake struct argp_state and
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5620
diff changeset
1674 state.root_argp = argp;
df0a8c05ca58 (__argp_help): Create a fake struct argp_state and
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5620
diff changeset
1675 _help (argp, &state, stream, flags, name);
4385
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 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1678 weak_alias (__argp_help, argp_help)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1679 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1680
5187
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1681 #if ! (defined _LIBC || HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME)
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1682 char *
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1683 __argp_short_program_name (void)
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1684 {
5187
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1685 # if HAVE_DECL_PROGRAM_INVOCATION_NAME
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1686 char *name = strrchr (program_invocation_name, '/');
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1687 return name ? name + 1 : program_invocation_name;
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1688 # else
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1689 /* FIXME: What now? Miles suggests that it is better to use NULL,
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1690 but currently the value is passed on directly to fputs_unlocked,
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1691 so that requires more changes. */
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1692 # if __GNUC__
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1693 # warning No reasonable value to return
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1694 # endif /* __GNUC__ */
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1695 return "";
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1696 # endif
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1697 }
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1698 #endif
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1699
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1700 /* 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
1701 from the set ARGP_HELP_*. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1702 void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1703 __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
1704 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1705 if ((!state || ! (state->flags & ARGP_NO_ERRS)) && stream)
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 if (state && (state->flags & ARGP_LONG_ONLY))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1708 flags |= ARGP_HELP_LONG_ONLY;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1709
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1710 _help (state ? state->root_argp : 0, state, stream, flags,
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1711 state ? state->name : __argp_short_program_name ());
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1712
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1713 if (!state || ! (state->flags & ARGP_NO_EXIT))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1714 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1715 if (flags & ARGP_HELP_EXIT_ERR)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1716 exit (argp_err_exit_status);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1717 if (flags & ARGP_HELP_EXIT_OK)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1718 exit (0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1719 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1720 }
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 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1723 weak_alias (__argp_state_help, argp_state_help)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1724 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1725
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1726 /* 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
1727 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
1728 message, then exit (1). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1729 void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1730 __argp_error (const struct argp_state *state, const char *fmt, ...)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1731 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1732 if (!state || !(state->flags & ARGP_NO_ERRS))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1733 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1734 FILE *stream = state ? state->err_stream : stderr;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1735
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1736 if (stream)
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 va_list ap;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1739
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1740 #if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1741 __flockfile (stream);
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1742 #endif
4385
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 va_start (ap, fmt);
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 USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1747 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1748 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1749 char *buf;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1750
5620
da8bb7da9b79 (__argp_error): Check return value of __asprintf
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5616
diff changeset
1751 if (__asprintf (&buf, fmt, ap) < 0)
da8bb7da9b79 (__argp_error): Check return value of __asprintf
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5616
diff changeset
1752 buf = NULL;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1753
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1754 __fwprintf (stream, L"%s: %s\n",
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1755 state ? state->name : __argp_short_program_name (),
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1756 buf);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1757
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1758 free (buf);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1759 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1760 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1761 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1762 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1763 fputs_unlocked (state
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1764 ? state->name : __argp_short_program_name (),
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1765 stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1766 putc_unlocked (':', stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1767 putc_unlocked (' ', stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1768
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1769 vfprintf (stream, fmt, ap);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1770
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1771 putc_unlocked ('\n', stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1772 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1773
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1774 __argp_state_help (state, stream, ARGP_HELP_STD_ERR);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1775
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1776 va_end (ap);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1777
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1778 #if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1779 __funlockfile (stream);
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1780 #endif
4385
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 }
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 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1785 weak_alias (__argp_error, argp_error)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1786 #endif
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 /* 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
1789 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
1790 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
1791 shared between program startup (when exiting is desired) and runtime
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1792 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
1793 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
1794 *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
1795 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
1796 void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1797 __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
1798 const char *fmt, ...)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1799 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1800 if (!state || !(state->flags & ARGP_NO_ERRS))
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 FILE *stream = state ? state->err_stream : stderr;
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 if (stream)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1805 {
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1806 #if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1807 __flockfile (stream);
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1808 #endif
4385
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 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1811 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1812 __fwprintf (stream, L"%s",
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1813 state ? state->name : __argp_short_program_name ());
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1814 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1815 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1816 fputs_unlocked (state
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1817 ? state->name : __argp_short_program_name (),
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1818 stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1819
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1820 if (fmt)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1821 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1822 va_list ap;
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 va_start (ap, fmt);
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 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1828 char *buf;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1829
5620
da8bb7da9b79 (__argp_error): Check return value of __asprintf
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5616
diff changeset
1830 if (__asprintf (&buf, fmt, ap) < 0)
da8bb7da9b79 (__argp_error): Check return value of __asprintf
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5616
diff changeset
1831 buf = NULL;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1832
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1833 __fwprintf (stream, L": %s", buf);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1834
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1835 free (buf);
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 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1838 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1839 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1840 putc_unlocked (':', stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1841 putc_unlocked (' ', stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1842
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1843 vfprintf (stream, fmt, ap);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1844 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1845
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1846 va_end (ap);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1847 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1848
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1849 if (errnum)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1850 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1851 char buf[200];
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1852
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1853 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1854 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1855 __fwprintf (stream, L": %s",
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1856 __strerror_r (errnum, buf, sizeof (buf)));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1857 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1858 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1859 {
5187
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1860 char const *s = NULL;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1861 putc_unlocked (':', stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1862 putc_unlocked (' ', stream);
5187
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1863 #if _LIBC || (HAVE_DECL_STRERROR_R && STRERROR_R_CHAR_P)
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1864 s = __strerror_r (errnum, buf, sizeof buf);
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1865 #elif HAVE_DECL_STRERROR_R
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1866 if (__strerror_r (errnum, buf, sizeof buf) == 0)
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1867 s = buf;
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1868 #endif
5187
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1869 #if !_LIBC
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1870 if (! s && ! (s = strerror (errnum)))
5620
da8bb7da9b79 (__argp_error): Check return value of __asprintf
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5616
diff changeset
1871 s = dgettext (state->root_argp->argp_domain,
da8bb7da9b79 (__argp_error): Check return value of __asprintf
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 5616
diff changeset
1872 "Unknown system error");
5187
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1873 #endif
5cb548b39529 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5161
diff changeset
1874 fputs (s, stream);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1875 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1876 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1877
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1878 #ifdef USE_IN_LIBIO
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1879 if (_IO_fwide (stream, 0) > 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1880 putwc_unlocked (L'\n', stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1881 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1882 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1883 putc_unlocked ('\n', stream);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1884
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1885 #if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE)
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1886 __funlockfile (stream);
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4736
diff changeset
1887 #endif
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1888
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1889 if (status && (!state || !(state->flags & ARGP_NO_EXIT)))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1890 exit (status);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1891 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1892 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1893 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1894 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1895 weak_alias (__argp_failure, argp_failure)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1896 #endif