/[public]/getopt/trunk/getopt.c
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Revision 364 Revision 377
1/* 1/*
2 * getopt.c - Enhanced implementation of BSD getopt(1) 2 * getopt.c - Enhanced implementation of BSD getopt(1)
3 * Copyright (c) 1997-2005 Frodo Looijaard <frodo@frodo.looijaard.name> 3 * Copyright (c) 1997-2014 Frodo Looijaard <frodo@frodo.looijaard.name>
4 * 4 *
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
… …
37 * <misiek@pld.org.pl>) 37 * <misiek@pld.org.pl>)
38 * Version 1.1.4: Mon Nov 7 2005 38 * Version 1.1.4: Mon Nov 7 2005
39 * Fixed a few type's in the manpage 39 * Fixed a few type's in the manpage
40 * Version 1.1.5: Sun Aug 12 2012 40 * Version 1.1.5: Sun Aug 12 2012
41 * Sync with util-linux-2.21, fixed build problems, many new translations 41 * Sync with util-linux-2.21, fixed build problems, many new translations
42 * Version 1.1.6: Mon Nov 24 2014
43 * Sync with util-linux git 20141120, detect ambiguous long options, fix
44 * backslash problem in tcsh
42 */ 45 */
43 46
44/* Exit codes: 47/* Exit codes:
45 * 0) No errors, successful operation. 48 * 0) No errors, successful operation.
46 * 1) getopt(3) returned an error. 49 * 1) getopt(3) returned an error.
… …
71 74
72/* NON_OPT is the code that is returned when a non-option is found in '+' 75/* NON_OPT is the code that is returned when a non-option is found in '+'
73 * mode */ 76 * mode */
74#define NON_OPT 1 77#define NON_OPT 1
75/* LONG_OPT is the code that is returned when a long option is found. */ 78/* LONG_OPT is the code that is returned when a long option is found. */
76#define LONG_OPT 2 79#define LONG_OPT 0
77 80
78/* The shells recognized. */ 81/* The shells recognized. */
79typedef enum { BASH, TCSH } shell_t; 82typedef enum { BASH, TCSH } shell_t;
80 83
81 84
… …
139 /* Quote: replace it with: '\'' */ 142 /* Quote: replace it with: '\'' */
140 *bufptr++ = '\''; 143 *bufptr++ = '\'';
141 *bufptr++ = '\\'; 144 *bufptr++ = '\\';
142 *bufptr++ = '\''; 145 *bufptr++ = '\'';
143 *bufptr++ = '\''; 146 *bufptr++ = '\'';
147 } else if (shell == TCSH && *argptr == '\\') {
148 /* Backslash: replace it with: '\\' */
149 *bufptr++ = '\\';
150 *bufptr++ = '\\';
144 } else if (shell == TCSH && *argptr == '!') { 151 } else if (shell == TCSH && *argptr == '!') {
145 /* Exclamation mark: replace it with: \! */ 152 /* Exclamation mark: replace it with: \! */
146 *bufptr++ = '\''; 153 *bufptr++ = '\'';
147 *bufptr++ = '\\'; 154 *bufptr++ = '\\';
148 *bufptr++ = '!'; 155 *bufptr++ = '!';
… …
238 245
239/* Register a long option. The contents of name is copied. */ 246/* Register a long option. The contents of name is copied. */
240static void add_longopt(const char *name, int has_arg) 247static void add_longopt(const char *name, int has_arg)
241{ 248{
242 char *tmp; 249 char *tmp;
250 static int flag;
251
243 if (!name) { 252 if (!name) {
244 /* init */ 253 /* init */
245 free(long_options); 254 free(long_options);
246 long_options = NULL; 255 long_options = NULL;
247 long_options_length = 0; 256 long_options_length = 0;
… …
261 long_options[long_options_nr].val = 0; 270 long_options[long_options_nr].val = 0;
262 271
263 if (long_options_nr && name) { 272 if (long_options_nr && name) {
264 /* Not for init! */ 273 /* Not for init! */
265 long_options[long_options_nr - 1].has_arg = has_arg; 274 long_options[long_options_nr - 1].has_arg = has_arg;
266 long_options[long_options_nr - 1].flag = NULL; 275 long_options[long_options_nr - 1].flag = &flag;
267 long_options[long_options_nr - 1].val = LONG_OPT; 276 long_options[long_options_nr - 1].val = long_options_nr;
268 tmp = xmalloc(strlen(name) + 1); 277 tmp = xmalloc(strlen(name) + 1);
269 strcpy(tmp, name); 278 strcpy(tmp, name);
270 long_options[long_options_nr - 1].name = tmp; 279 long_options[long_options_nr - 1].name = tmp;
271 } 280 }
272 long_options_nr++; 281 long_options_nr++;
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