annotate lib/argp-parse.c @ 16201:8250f2777afc

maint: update all copyright year number ranges Run "make update-copyright".
author Jim Meyering <meyering@redhat.com>
date Sun, 01 Jan 2012 10:04:58 +0100
parents 3c249f388e46
children 18a38c9615f0
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1 /* Hierarchial argument parsing, layered over getopt
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2 Copyright (C) 1995-2000, 2002-2004, 2009-2012 Free Software Foundation, Inc.
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3 This file is part of the GNU C Library.
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4 Written by Miles Bader <miles@gnu.ai.mit.edu>.
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5
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6 This program is free software: you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3 of the License, or
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9 (at your option) any later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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18
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19 #ifdef HAVE_CONFIG_H
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20 # include <config.h>
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21 #endif
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22
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23 #include <alloca.h>
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24 #include <stdalign.h>
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25 #include <stddef.h>
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26 #include <stdlib.h>
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27 #include <string.h>
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28 #include <unistd.h>
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29 #include <limits.h>
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30 #include <getopt.h>
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31 #include <getopt_int.h>
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32
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33 #ifdef _LIBC
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34 # include <libintl.h>
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35 # undef dgettext
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36 # define dgettext(domain, msgid) \
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37 INTUSE(__dcgettext) (domain, msgid, LC_MESSAGES)
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38 #else
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39 # include "gettext.h"
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40 #endif
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41 #define N_(msgid) msgid
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42
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43 #include "argp.h"
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44 #include "argp-namefrob.h"
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45
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46 #define alignto(n, d) ((((n) + (d) - 1) / (d)) * (d))
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47
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48 /* Getopt return values. */
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49 #define KEY_END (-1) /* The end of the options. */
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50 #define KEY_ARG 1 /* A non-option argument. */
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51 #define KEY_ERR '?' /* An error parsing the options. */
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52
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53 /* The meta-argument used to prevent any further arguments being interpreted
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54 as options. */
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55 #define QUOTE "--"
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56
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57 /* The number of bits we steal in a long-option value for our own use. */
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58 #define GROUP_BITS CHAR_BIT
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59
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60 /* The number of bits available for the user value. */
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61 #define USER_BITS ((sizeof ((struct option *)0)->val * CHAR_BIT) - GROUP_BITS)
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62 #define USER_MASK ((1 << USER_BITS) - 1)
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63
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64 /* EZ alias for ARGP_ERR_UNKNOWN. */
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65 #define EBADKEY ARGP_ERR_UNKNOWN
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66
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67 /* Default options. */
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68
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69 /* When argp is given the --HANG switch, _ARGP_HANG is set and argp will sleep
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70 for one second intervals, decrementing _ARGP_HANG until it's zero. Thus
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71 you can force the program to continue by attaching a debugger and setting
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72 it to 0 yourself. */
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73 static volatile int _argp_hang;
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74
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75 #define OPT_PROGNAME -2
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76 #define OPT_USAGE -3
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77 #define OPT_HANG -4
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78
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79 static const struct argp_option argp_default_options[] =
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80 {
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81 {"help", '?', 0, 0, N_("give this help list"), -1},
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82 {"usage", OPT_USAGE, 0, 0, N_("give a short usage message"), 0},
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83 {"program-name",OPT_PROGNAME,N_("NAME"), OPTION_HIDDEN, N_("set the program name"), 0},
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84 {"HANG", OPT_HANG, N_("SECS"), OPTION_ARG_OPTIONAL | OPTION_HIDDEN,
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85 N_("hang for SECS seconds (default 3600)"), 0},
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86 {NULL, 0, 0, 0, NULL, 0}
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87 };
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88
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89 static error_t
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90 argp_default_parser (int key, char *arg, struct argp_state *state)
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91 {
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92 switch (key)
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93 {
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94 case '?':
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95 __argp_state_help (state, state->out_stream, ARGP_HELP_STD_HELP);
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96 break;
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97 case OPT_USAGE:
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98 __argp_state_help (state, state->out_stream,
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99 ARGP_HELP_USAGE | ARGP_HELP_EXIT_OK);
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100 break;
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101
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102 case OPT_PROGNAME: /* Set the program name. */
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103 #if defined _LIBC || HAVE_DECL_PROGRAM_INVOCATION_NAME
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104 program_invocation_name = arg;
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105 #endif
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106 /* [Note that some systems only have PROGRAM_INVOCATION_SHORT_NAME (aka
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107 __PROGNAME), in which case, PROGRAM_INVOCATION_NAME is just defined
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108 to be that, so we have to be a bit careful here.] */
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109
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110 /* Update what we use for messages. */
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111 state->name = __argp_base_name (arg);
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112
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113 #if defined _LIBC || HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
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114 program_invocation_short_name = state->name;
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115 #endif
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116
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117 if ((state->flags & (ARGP_PARSE_ARGV0 | ARGP_NO_ERRS))
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118 == ARGP_PARSE_ARGV0)
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119 /* Update what getopt uses too. */
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120 state->argv[0] = arg;
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121
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122 break;
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123
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124 case OPT_HANG:
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125 _argp_hang = atoi (arg ? arg : "3600");
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126 while (_argp_hang-- > 0)
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127 __sleep (1);
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128 break;
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129
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130 default:
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131 return EBADKEY;
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132 }
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133 return 0;
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134 }
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Bruno Haible <bruno@clisp.org>
parents:
diff changeset
135
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
136 static const struct argp argp_default_argp =
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
137 {argp_default_options, &argp_default_parser, NULL, NULL, NULL, NULL, "libc"};
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
138
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 static const struct argp_option argp_version_options[] =
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
141 {
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
142 {"version", 'V', 0, 0, N_("print program version"), -1},
5188
e338f602ca07 Use "gettext.h" instead of its complicated substitute.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5067
diff changeset
143 {NULL, 0, 0, 0, NULL, 0}
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
144 };
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 static error_t
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
147 argp_version_parser (int key, char *arg, struct argp_state *state)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
148 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
149 switch (key)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
150 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
151 case 'V':
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
152 if (argp_program_version_hook)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
153 (*argp_program_version_hook) (state->out_stream, state);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
154 else if (argp_program_version)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
155 fprintf (state->out_stream, "%s\n", argp_program_version);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
156 else
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
157 __argp_error (state, dgettext (state->root_argp->argp_domain,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
158 "(PROGRAM ERROR) No version known!?"));
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
159 if (! (state->flags & ARGP_NO_EXIT))
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
160 exit (0);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
161 break;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
162 default:
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
163 return EBADKEY;
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 return 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
166 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
167
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
168 static const struct argp argp_version_argp =
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
169 {argp_version_options, &argp_version_parser, NULL, NULL, NULL, NULL, "libc"};
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 /* Returns the offset into the getopt long options array LONG_OPTIONS of a
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
172 long option with called NAME, or -1 if none is found. Passing NULL as
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
173 NAME will return the number of options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
174 static int
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
175 find_long_option (struct option *long_options, const char *name)
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 struct option *l = long_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
178 while (l->name != NULL)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
179 if (name != NULL && strcmp (l->name, name) == 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
180 return l - long_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
181 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
182 l++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
183 if (name == NULL)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
184 return l - long_options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
185 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
186 return -1;
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
189
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
190 /* The state of a `group' during parsing. Each group corresponds to a
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
191 particular argp structure from the tree of such descending from the top
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
192 level argp passed to argp_parse. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
193 struct group
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
194 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
195 /* This group's parsing function. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
196 argp_parser_t parser;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
197
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
198 /* Which argp this group is from. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
199 const struct argp *argp;
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 /* Points to the point in SHORT_OPTS corresponding to the end of the short
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
202 options for this group. We use it to determine from which group a
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
203 particular short options is from. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
204 char *short_end;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
205
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
206 /* The number of non-option args sucessfully handled by this parser. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
207 unsigned args_processed;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
208
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
209 /* This group's parser's parent's group. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
210 struct group *parent;
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
211 unsigned parent_index; /* And the our position in the parent. */
4385
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 /* These fields are swapped into and out of the state structure when
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
214 calling this group's parser. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
215 void *input, **child_inputs;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
216 void *hook;
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 /* Call GROUP's parser with KEY and ARG, swapping any group-specific info
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
220 from STATE before calling, and back into state afterwards. If GROUP has
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
221 no parser, EBADKEY is returned. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
222 static error_t
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
223 group_parse (struct group *group, struct argp_state *state, int key, char *arg)
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 if (group->parser)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
226 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
227 error_t err;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
228 state->hook = group->hook;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
229 state->input = group->input;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
230 state->child_inputs = group->child_inputs;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
231 state->arg_num = group->args_processed;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
232 err = (*group->parser)(key, arg, state);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
233 group->hook = state->hook;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
234 return err;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
235 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
236 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
237 return EBADKEY;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
238 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
239
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
240 struct parser
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
241 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
242 const struct argp *argp;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
243
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
244 /* SHORT_OPTS is the getopt short options string for the union of all the
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
245 groups of options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
246 char *short_opts;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
247 /* LONG_OPTS is the array of getop long option structures for the union of
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
248 all the groups of options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
249 struct option *long_opts;
4970
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
250 /* OPT_DATA is the getopt data used for the re-entrant getopt. */
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
251 struct _getopt_data opt_data;
4385
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 /* States of the various parsing groups. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
254 struct group *groups;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
255 /* The end of the GROUPS array. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
256 struct group *egroup;
14774
70d101744577 maint: correct misuse of "a" and "an"
Jim Meyering <meyering@redhat.com>
parents: 14079
diff changeset
257 /* A vector containing storage for the CHILD_INPUTS field in all groups. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
258 void **child_inputs;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
259
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
260 /* True if we think using getopt is still useful; if false, then
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
261 remaining arguments are just passed verbatim with ARGP_KEY_ARG. This is
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
262 cleared whenever getopt returns KEY_END, but may be set again if the user
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
263 moves the next argument pointer backwards. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
264 int try_getopt;
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 /* State block supplied to parsing routines. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
267 struct argp_state state;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
268
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
269 /* Memory used by this parser. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
270 void *storage;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
271 };
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
272
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
273 /* The next usable entries in the various parser tables being filled in by
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
274 convert_options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
275 struct parser_convert_state
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 struct parser *parser;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
278 char *short_end;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
279 struct option *long_end;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
280 void **child_inputs_end;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
281 };
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
282
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
283 /* Converts all options in ARGP (which is put in GROUP) and ancestors
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
284 into getopt options stored in SHORT_OPTS and LONG_OPTS; SHORT_END and
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
285 CVT->LONG_END are the points at which new options are added. Returns the
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
286 next unused group entry. CVT holds state used during the conversion. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
287 static struct group *
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
288 convert_options (const struct argp *argp,
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
289 struct group *parent, unsigned parent_index,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
290 struct group *group, struct parser_convert_state *cvt)
4385
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 /* REAL is the most recent non-alias value of OPT. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
293 const struct argp_option *real = argp->options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
294 const struct argp_child *children = argp->children;
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 if (real || argp->parser)
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 const struct argp_option *opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
299
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
300 if (real)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
301 for (opt = real; !__option_is_end (opt); opt++)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
302 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
303 if (! (opt->flags & OPTION_ALIAS))
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
304 /* OPT isn't an alias, so we can use values from it. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
305 real = opt;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
306
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
307 if (! (real->flags & OPTION_DOC))
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
308 /* A real option (not just documentation). */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
309 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
310 if (__option_is_short (opt))
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
311 /* OPT can be used as a short option. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
312 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
313 *cvt->short_end++ = opt->key;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
314 if (real->arg)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
315 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
316 *cvt->short_end++ = ':';
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
317 if (real->flags & OPTION_ARG_OPTIONAL)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
318 *cvt->short_end++ = ':';
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
319 }
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
320 *cvt->short_end = '\0'; /* keep 0 terminated */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
321 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
322
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
323 if (opt->name
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
324 && find_long_option (cvt->parser->long_opts, opt->name) < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
325 /* OPT can be used as a long option. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
326 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
327 cvt->long_end->name = opt->name;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
328 cvt->long_end->has_arg =
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
329 (real->arg
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
330 ? (real->flags & OPTION_ARG_OPTIONAL
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
331 ? optional_argument
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
332 : required_argument)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
333 : no_argument);
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
334 cvt->long_end->flag = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
335 /* we add a disambiguating code to all the user's
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
336 values (which is removed before we actually call
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
337 the function to parse the value); this means that
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
338 the user loses use of the high 8 bits in all his
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
339 values (the sign of the lower bits is preserved
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
340 however)... */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
341 cvt->long_end->val =
12851
72c76b99f97b Argp: fix recognition of short alias options.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 12559
diff changeset
342 ((opt->key ? opt->key : real->key) & USER_MASK)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
343 + (((group - cvt->parser->groups) + 1) << USER_BITS);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
344
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
345 /* Keep the LONG_OPTS list terminated. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
346 (++cvt->long_end)->name = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
347 }
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
348 }
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
349 }
4385
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 group->parser = argp->parser;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
352 group->argp = argp;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
353 group->short_end = cvt->short_end;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
354 group->args_processed = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
355 group->parent = parent;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
356 group->parent_index = parent_index;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
357 group->input = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
358 group->hook = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
359 group->child_inputs = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
360
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
361 if (children)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
362 /* Assign GROUP's CHILD_INPUTS field some space from
4536
3358eb550c86 Leave whitespace alone when importing, undoing that part of yesterday's
Paul Eggert <eggert@cs.ucla.edu>
parents: 4533
diff changeset
363 CVT->child_inputs_end.*/
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
364 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
365 unsigned num_children = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
366 while (children[num_children].argp)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
367 num_children++;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
368 group->child_inputs = cvt->child_inputs_end;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
369 cvt->child_inputs_end += num_children;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
370 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
371
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
372 parent = group++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
373 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
374 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
375 parent = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
376
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
377 if (children)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
378 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
379 unsigned index = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
380 while (children->argp)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
381 group =
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
382 convert_options (children++->argp, parent, index++, group, cvt);
4385
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
385 return group;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
386 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
387
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
388 /* Find the merged set of getopt options, with keys appropiately prefixed. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
389 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
390 parser_convert (struct parser *parser, const struct argp *argp, int flags)
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 struct parser_convert_state cvt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
393
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
394 cvt.parser = parser;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
395 cvt.short_end = parser->short_opts;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
396 cvt.long_end = parser->long_opts;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
397 cvt.child_inputs_end = parser->child_inputs;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
398
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
399 if (flags & ARGP_IN_ORDER)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
400 *cvt.short_end++ = '-';
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
401 else if (flags & ARGP_NO_ARGS)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
402 *cvt.short_end++ = '+';
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
403 *cvt.short_end = '\0';
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
404
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
405 cvt.long_end->name = NULL;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
406
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
407 parser->argp = argp;
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 (argp)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
410 parser->egroup = convert_options (argp, 0, 0, parser->groups, &cvt);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
411 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
412 parser->egroup = parser->groups; /* No parsers at all! */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
413 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
414
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
415 /* Lengths of various parser fields which we will allocated. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
416 struct parser_sizes
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
417 {
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
418 size_t short_len; /* Getopt short options string. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
419 size_t long_len; /* Getopt long options vector. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
420 size_t num_groups; /* Group structures we allocate. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
421 size_t num_child_inputs; /* Child input slots. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
422 };
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 /* For ARGP, increments the NUM_GROUPS field in SZS by the total number of
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
425 argp structures descended from it, and the SHORT_LEN & LONG_LEN fields by
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
426 the maximum lengths of the resulting merged getopt short options string and
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
427 long-options array, respectively. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
428 static void
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
429 calc_sizes (const struct argp *argp, struct parser_sizes *szs)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
430 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
431 const struct argp_child *child = argp->children;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
432 const struct argp_option *opt = argp->options;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
433
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
434 if (opt || argp->parser)
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 szs->num_groups++;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
437 if (opt)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
438 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
439 int num_opts = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
440 while (!__option_is_end (opt++))
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
441 num_opts++;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
442 szs->short_len += num_opts * 3; /* opt + up to 2 `:'s */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
443 szs->long_len += num_opts;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
444 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
445 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
446
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
447 if (child)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
448 while (child->argp)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
449 {
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
450 calc_sizes ((child++)->argp, szs);
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
451 szs->num_child_inputs++;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
452 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
453 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
454
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
455 /* Initializes PARSER to parse ARGP in a manner described by FLAGS. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
456 static error_t
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
457 parser_init (struct parser *parser, const struct argp *argp,
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
458 int argc, char **argv, int flags, void *input)
4385
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 error_t err = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
461 struct group *group;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
462 struct parser_sizes szs;
4970
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
463 struct _getopt_data opt_data = _GETOPT_DATA_INITIALIZER;
5554
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
464 char *storage;
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
465 size_t glen, gsum;
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
466 size_t clen, csum;
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
467 size_t llen, lsum;
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
468 size_t slen, ssum;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
469
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
470 szs.short_len = (flags & ARGP_NO_ARGS) ? 0 : 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
471 szs.long_len = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
472 szs.num_groups = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
473 szs.num_child_inputs = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
474
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
475 if (argp)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
476 calc_sizes (argp, &szs);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
477
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
478 /* Lengths of the various bits of storage used by PARSER. */
5554
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
479 glen = (szs.num_groups + 1) * sizeof (struct group);
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
480 clen = szs.num_child_inputs * sizeof (void *);
5555
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
481 llen = (szs.long_len + 1) * sizeof (struct option);
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
482 slen = szs.short_len + 1;
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
483
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
484 /* Sums of previous lengths, properly aligned. There's no need to
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
485 align gsum, since struct group is aligned at least as strictly as
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
486 void * (since it contains a void * member). And there's no need
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
487 to align lsum, since struct option is aligned at least as
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
488 strictly as char. */
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
489 gsum = glen;
5554
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
490 csum = alignto (gsum + clen, alignof (struct option));
5555
12b1a84e1247 (parser_init): Omit unnecessary alignments, and comment the alignments.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5554
diff changeset
491 lsum = csum + llen;
5554
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
492 ssum = lsum + slen;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
493
5554
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
494 parser->storage = malloc (ssum);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
495 if (! parser->storage)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
496 return ENOMEM;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
497
5554
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
498 storage = parser->storage;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
499 parser->groups = parser->storage;
5554
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
500 parser->child_inputs = (void **) (storage + gsum);
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
501 parser->long_opts = (struct option *) (storage + csum);
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
502 parser->short_opts = storage + lsum;
4970
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
503 parser->opt_data = opt_data;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
504
5554
8ad9fa45dcee Include <stddef.h>.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5544
diff changeset
505 memset (parser->child_inputs, 0, clen);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
506 parser_convert (parser, argp, flags);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
507
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
508 memset (&parser->state, 0, sizeof (struct argp_state));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
509 parser->state.root_argp = parser->argp;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
510 parser->state.argc = argc;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
511 parser->state.argv = argv;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
512 parser->state.flags = flags;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
513 parser->state.err_stream = stderr;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
514 parser->state.out_stream = stdout;
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
515 parser->state.next = 0; /* Tell getopt to initialize. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
516 parser->state.pstate = parser;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
517
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
518 parser->try_getopt = 1;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
519
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
520 /* Call each parser for the first time, giving it a chance to propagate
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
521 values to child parsers. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
522 if (parser->groups < parser->egroup)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
523 parser->groups->input = input;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
524 for (group = parser->groups;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
525 group < parser->egroup && (!err || err == EBADKEY);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
526 group++)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
527 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
528 if (group->parent)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
529 /* If a child parser, get the initial input value from the parent. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
530 group->input = group->parent->child_inputs[group->parent_index];
4385
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 if (!group->parser
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
533 && group->argp->children && group->argp->children->argp)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
534 /* For the special case where no parsing function is supplied for an
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
535 argp, propagate its input to its first child, if any (this just
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
536 makes very simple wrapper argps more convenient). */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
537 group->child_inputs[0] = group->input;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
538
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
539 err = group_parse (group, &parser->state, ARGP_KEY_INIT, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
540 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
541 if (err == EBADKEY)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
542 err = 0; /* Some parser didn't understand. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
543
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
544 if (err)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
545 return err;
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 if (parser->state.flags & ARGP_NO_ERRS)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
548 {
4970
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
549 parser->opt_data.opterr = 0;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
550 if (parser->state.flags & ARGP_PARSE_ARGV0)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
551 /* getopt always skips ARGV[0], so we have to fake it out. As long
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
552 as OPTERR is 0, then it shouldn't actually try to access it. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
553 parser->state.argv--, parser->state.argc++;
4385
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 else
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
556 parser->opt_data.opterr = 1; /* Print error messages. */
4385
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 if (parser->state.argv == argv && argv[0])
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
559 /* There's an argv[0]; use it for messages. */
6475
7af794d77875 (argp_def): Use gettext wrappers
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6259
diff changeset
560 parser->state.name = __argp_base_name (argv[0]);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
561 else
4767
0a9cf348c2ec argp update from libc
Karl Berry <karl@freefriends.org>
parents: 4536
diff changeset
562 parser->state.name = __argp_short_program_name ();
4385
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 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 /* Free any storage consumed by PARSER (but not PARSER itself). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
568 static error_t
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
569 parser_finalize (struct parser *parser,
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
570 error_t err, int arg_ebadkey, int *end_index)
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
571 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
572 struct group *group;
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 if (err == EBADKEY && arg_ebadkey)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
575 /* Suppress errors generated by unparsed arguments. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
576 err = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
577
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
578 if (! err)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
579 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
580 if (parser->state.next == parser->state.argc)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
581 /* We successfully parsed all arguments! Call all the parsers again,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
582 just a few more times... */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
583 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
584 for (group = parser->groups;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
585 group < parser->egroup && (!err || err==EBADKEY);
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
586 group++)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
587 if (group->args_processed == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
588 err = group_parse (group, &parser->state, ARGP_KEY_NO_ARGS, 0);
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
589 for (group = parser->egroup - 1;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
590 group >= parser->groups && (!err || err==EBADKEY);
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
591 group--)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
592 err = group_parse (group, &parser->state, ARGP_KEY_END, 0);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
593
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
594 if (err == EBADKEY)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
595 err = 0; /* Some parser didn't understand. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
596
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
597 /* Tell the user that all arguments are parsed. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
598 if (end_index)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
599 *end_index = parser->state.next;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
600 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
601 else if (end_index)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
602 /* Return any remaining arguments to the user. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
603 *end_index = parser->state.next;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
604 else
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
605 /* No way to return the remaining arguments, they must be bogus. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
606 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
607 if (!(parser->state.flags & ARGP_NO_ERRS)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
608 && parser->state.err_stream)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
609 fprintf (parser->state.err_stream,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
610 dgettext (parser->argp->argp_domain,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
611 "%s: Too many arguments\n"),
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
612 parser->state.name);
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
613 err = EBADKEY;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
614 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
615 }
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 /* Okay, we're all done, with either an error or success; call the parsers
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
618 to indicate which one. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
619
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
620 if (err)
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 /* Maybe print an error message. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
623 if (err == EBADKEY)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
624 /* An appropriate message describing what the error was should have
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
625 been printed earlier. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
626 __argp_state_help (&parser->state, parser->state.err_stream,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
627 ARGP_HELP_STD_ERR);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
628
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
629 /* Since we didn't exit, give each parser an error indication. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
630 for (group = parser->groups; group < parser->egroup; group++)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
631 group_parse (group, &parser->state, ARGP_KEY_ERROR, 0);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
632 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
633 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
634 /* Notify parsers of success, and propagate back values from parsers. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
635 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
636 /* We pass over the groups in reverse order so that child groups are
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
637 given a chance to do there processing before passing back a value to
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
638 the parent. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
639 for (group = parser->egroup - 1
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
640 ; group >= parser->groups && (!err || err == EBADKEY)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
641 ; group--)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
642 err = group_parse (group, &parser->state, ARGP_KEY_SUCCESS, 0);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
643 if (err == EBADKEY)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
644 err = 0; /* Some parser didn't understand. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
645 }
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 /* Call parsers once more, to do any final cleanup. Errors are ignored. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
648 for (group = parser->egroup - 1; group >= parser->groups; group--)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
649 group_parse (group, &parser->state, ARGP_KEY_FINI, 0);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
650
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
651 if (err == EBADKEY)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
652 err = EINVAL;
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 free (parser->storage);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
655
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
656 return err;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
657 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
658
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
659 /* Call the user parsers to parse the non-option argument VAL, at the current
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
660 position, returning any error. The state NEXT pointer is assumed to have
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
661 been adjusted (by getopt) to point after this argument; this function will
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
662 adjust it correctly to reflect however many args actually end up being
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
663 consumed. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
664 static error_t
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
665 parser_parse_arg (struct parser *parser, char *val)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
666 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
667 /* Save the starting value of NEXT, first adjusting it so that the arg
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
668 we're parsing is again the front of the arg vector. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
669 int index = --parser->state.next;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
670 error_t err = EBADKEY;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
671 struct group *group;
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
672 int key = 0; /* Which of ARGP_KEY_ARG[S] we used. */
4385
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 /* Try to parse the argument in each parser. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
675 for (group = parser->groups
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
676 ; group < parser->egroup && err == EBADKEY
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
677 ; group++)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
678 {
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
679 parser->state.next++; /* For ARGP_KEY_ARG, consume the arg. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
680 key = ARGP_KEY_ARG;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
681 err = group_parse (group, &parser->state, key, val);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
682
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
683 if (err == EBADKEY)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
684 /* This parser doesn't like ARGP_KEY_ARG; try ARGP_KEY_ARGS instead. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
685 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
686 parser->state.next--; /* For ARGP_KEY_ARGS, put back the arg. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
687 key = ARGP_KEY_ARGS;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
688 err = group_parse (group, &parser->state, key, 0);
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
689 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
690 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
691
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
692 if (! err)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
693 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
694 if (key == ARGP_KEY_ARGS)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
695 /* The default for ARGP_KEY_ARGS is to assume that if NEXT isn't
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
696 changed by the user, *all* arguments should be considered
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
697 consumed. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
698 parser->state.next = parser->state.argc;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
699
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
700 if (parser->state.next > index)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
701 /* Remember that we successfully processed a non-option
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
702 argument -- but only if the user hasn't gotten tricky and set
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
703 the clock back. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
704 (--group)->args_processed += (parser->state.next - index);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
705 else
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
706 /* The user wants to reparse some args, give getopt another try. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
707 parser->try_getopt = 1;
4385
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
710 return err;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
711 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
712
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
713 /* Call the user parsers to parse the option OPT, with argument VAL, at the
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
714 current position, returning any error. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
715 static error_t
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
716 parser_parse_opt (struct parser *parser, int opt, char *val)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
717 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
718 /* The group key encoded in the high bits; 0 for short opts or
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
719 group_number + 1 for long opts. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
720 int group_key = opt >> USER_BITS;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
721 error_t err = EBADKEY;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
722
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
723 if (group_key == 0)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
724 /* A short option. By comparing OPT's position in SHORT_OPTS to the
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
725 various starting positions in each group's SHORT_END field, we can
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
726 determine which group OPT came from. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
727 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
728 struct group *group;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
729 char *short_index = strchr (parser->short_opts, opt);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
730
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
731 if (short_index)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
732 for (group = parser->groups; group < parser->egroup; group++)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
733 if (group->short_end > short_index)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
734 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
735 err = group_parse (group, &parser->state, opt,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
736 parser->opt_data.optarg);
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
737 break;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
738 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
739 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
740 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
741 /* A long option. We use shifts instead of masking for extracting
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
742 the user value in order to preserve the sign. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
743 err =
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
744 group_parse (&parser->groups[group_key - 1], &parser->state,
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
745 (opt << GROUP_BITS) >> GROUP_BITS,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
746 parser->opt_data.optarg);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
747
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
748 if (err == EBADKEY)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
749 /* At least currently, an option not recognized is an error in the
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
750 parser, because we pre-compute which parser is supposed to deal
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
751 with each option. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
752 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
753 static const char bad_key_err[] =
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
754 N_("(PROGRAM ERROR) Option should have been recognized!?");
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
755 if (group_key == 0)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
756 __argp_error (&parser->state, "-%c: %s", opt,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
757 dgettext (parser->argp->argp_domain, bad_key_err));
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
758 else
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
759 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
760 struct option *long_opt = parser->long_opts;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
761 while (long_opt->val != opt && long_opt->name)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
762 long_opt++;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
763 __argp_error (&parser->state, "--%s: %s",
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
764 long_opt->name ? long_opt->name : "???",
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
765 dgettext (parser->argp->argp_domain, bad_key_err));
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
766 }
4385
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
769 return err;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
770 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
771
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
772 /* Parse the next argument in PARSER (as indicated by PARSER->state.next).
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
773 Any error from the parsers is returned, and *ARGP_EBADKEY indicates
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
774 whether a value of EBADKEY is due to an unrecognized argument (which is
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
775 generally not fatal). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
776 static error_t
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
777 parser_parse_next (struct parser *parser, int *arg_ebadkey)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
778 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
779 int opt;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
780 error_t err = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
781
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
782 if (parser->state.quoted && parser->state.next < parser->state.quoted)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
783 /* The next argument pointer has been moved to before the quoted
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
784 region, so pretend we never saw the quoting `--', and give getopt
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
785 another chance. If the user hasn't removed it, getopt will just
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
786 process it again. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
787 parser->state.quoted = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
788
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
789 if (parser->try_getopt && !parser->state.quoted)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
790 /* Give getopt a chance to parse this. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
791 {
4970
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
792 /* Put it back in OPTIND for getopt. */
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
793 parser->opt_data.optind = parser->state.next;
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
794 /* Distinguish KEY_ERR from a real option. */
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
795 parser->opt_data.optopt = KEY_END;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
796 if (parser->state.flags & ARGP_LONG_ONLY)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
797 opt = _getopt_long_only_r (parser->state.argc, parser->state.argv,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
798 parser->short_opts, parser->long_opts, 0,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
799 &parser->opt_data);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
800 else
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
801 opt = _getopt_long_r (parser->state.argc, parser->state.argv,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
802 parser->short_opts, parser->long_opts, 0,
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
803 &parser->opt_data);
4970
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
804 /* And see what getopt did. */
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
805 parser->state.next = parser->opt_data.optind;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
806
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
807 if (opt == KEY_END)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
808 /* Getopt says there are no more options, so stop using
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
809 getopt; we'll continue if necessary on our own. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
810 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
811 parser->try_getopt = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
812 if (parser->state.next > 1
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
813 && strcmp (parser->state.argv[parser->state.next - 1], QUOTE)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
814 == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
815 /* Not only is this the end of the options, but it's a
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
816 `quoted' region, which may have args that *look* like
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
817 options, so we definitely shouldn't try to use getopt past
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
818 here, whatever happens. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
819 parser->state.quoted = parser->state.next;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
820 }
4970
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
821 else if (opt == KEY_ERR && parser->opt_data.optopt != KEY_END)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
822 /* KEY_ERR can have the same value as a valid user short
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
823 option, but in the case of a real error, getopt sets OPTOPT
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
824 to the offending character, which can never be KEY_END. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
825 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
826 *arg_ebadkey = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
827 return EBADKEY;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
828 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
829 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
830 else
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
831 opt = KEY_END;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
832
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
833 if (opt == KEY_END)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
834 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
835 /* We're past what getopt considers the options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
836 if (parser->state.next >= parser->state.argc
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
837 || (parser->state.flags & ARGP_NO_ARGS))
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
838 /* Indicate that we're done. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
839 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
840 *arg_ebadkey = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
841 return EBADKEY;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
842 }
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
843 else
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
844 /* A non-option arg; simulate what getopt might have done. */
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
845 {
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
846 opt = KEY_ARG;
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
847 parser->opt_data.optarg = parser->state.argv[parser->state.next++];
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
848 }
4385
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
851 if (opt == KEY_ARG)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
852 /* A non-option argument; try each parser in turn. */
4970
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
853 err = parser_parse_arg (parser, parser->opt_data.optarg);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
854 else
4970
595e9138157c Sync getopt and argp from libc CVS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4888
diff changeset
855 err = parser_parse_opt (parser, opt, parser->opt_data.optarg);
4385
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 if (err == EBADKEY)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
858 *arg_ebadkey = (opt == KEY_END || opt == KEY_ARG);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
859
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
860 return err;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
861 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
862
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
863 /* Parse the options strings in ARGC & ARGV according to the argp in ARGP.
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
864 FLAGS is one of the ARGP_ flags above. If END_INDEX is non-NULL, the
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
865 index in ARGV of the first unparsed option is returned in it. If an
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
866 unknown option is present, EINVAL is returned; if some parser routine
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
867 returned a non-zero value, it is returned; otherwise 0 is returned. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
868 error_t
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
869 __argp_parse (const struct argp *argp, int argc, char **argv, unsigned flags,
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
870 int *end_index, void *input)
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
871 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
872 error_t err;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
873 struct parser parser;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
874
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
875 /* If true, then err == EBADKEY is a result of a non-option argument failing
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
876 to be parsed (which in some cases isn't actually an error). */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
877 int arg_ebadkey = 0;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
878
7289
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
879 #ifndef _LIBC
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
880 if (!(flags & ARGP_PARSE_ARGV0))
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
881 {
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
882 #ifdef HAVE_DECL_PROGRAM_INVOCATION_NAME
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
883 if (!program_invocation_name)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
884 program_invocation_name = argv[0];
7289
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
885 #endif
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
886 #ifdef HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
887 if (!program_invocation_short_name)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
888 program_invocation_short_name = __argp_base_name (argv[0]);
7289
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
889 #endif
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
890 }
ec5559fba282 (__argp_parse) [!_LIBC]: Make sure program_invocation_name and program_invocation_short_name are initialized.
Sergey Poznyakoff <gray@gnu.org.ua>
parents: 6702
diff changeset
891 #endif
10095
60ed1a52905e remove trailing blanks
Jim Meyering <meyering@redhat.com>
parents: 9309
diff changeset
892
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
893 if (! (flags & ARGP_NO_HELP))
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
894 /* Add our own options. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
895 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
896 struct argp_child *child = alloca (4 * sizeof (struct argp_child));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
897 struct argp *top_argp = alloca (sizeof (struct argp));
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 /* TOP_ARGP has no options, it just serves to group the user & default
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
900 argps. */
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
901 memset (top_argp, 0, sizeof (*top_argp));
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
902 top_argp->children = child;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
903
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
904 memset (child, 0, 4 * sizeof (struct argp_child));
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 (argp)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
907 (child++)->argp = argp;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
908 (child++)->argp = &argp_default_argp;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
909 if (argp_program_version || argp_program_version_hook)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
910 (child++)->argp = &argp_version_argp;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
911 child->argp = 0;
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 argp = top_argp;
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
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
916 /* Construct a parser for these arguments. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
917 err = parser_init (&parser, argp, argc, argv, flags, input);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
918
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
919 if (! err)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
920 /* Parse! */
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 while (! err)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
923 err = parser_parse_next (&parser, &arg_ebadkey);
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
924 err = parser_finalize (&parser, err, arg_ebadkey, end_index);
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
925 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
926
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
927 return err;
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 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
930 weak_alias (__argp_parse, argp_parse)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
931 #endif
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
932
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
933 /* Return the input field for ARGP in the parser corresponding to STATE; used
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
934 by the help routines. */
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
935 void *
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
936 __argp_input (const struct argp *argp, const struct argp_state *state)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
937 {
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
938 if (state)
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 struct group *group;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
941 struct parser *parser = state->pstate;
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
942
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
943 for (group = parser->groups; group < parser->egroup; group++)
12421
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
944 if (group->argp == argp)
e8d2c6fc33ad Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents: 10095
diff changeset
945 return group->input;
4385
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
946 }
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
947
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
948 return 0;
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 #ifdef weak_alias
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
951 weak_alias (__argp_input, _argp_input)
1c170fb33fa6 argp facility from glibc-20030610.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
952 #endif