[1765] | 1 | /* vi: set sw=4 ts=4: */
|
---|
[821] | 2 | /*
|
---|
| 3 | * getopt.c - Enhanced implementation of BSD getopt(1)
|
---|
| 4 | * Copyright (c) 1997, 1998, 1999, 2000 Frodo Looijaard <frodol@dds.nl>
|
---|
| 5 | *
|
---|
[2725] | 6 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
---|
[821] | 7 | */
|
---|
| 8 |
|
---|
| 9 | /*
|
---|
| 10 | * Version 1.0-b4: Tue Sep 23 1997. First public release.
|
---|
| 11 | * Version 1.0: Wed Nov 19 1997.
|
---|
| 12 | * Bumped up the version number to 1.0
|
---|
| 13 | * Fixed minor typo (CSH instead of TCSH)
|
---|
| 14 | * Version 1.0.1: Tue Jun 3 1998
|
---|
| 15 | * Fixed sizeof instead of strlen bug
|
---|
| 16 | * Bumped up the version number to 1.0.1
|
---|
| 17 | * Version 1.0.2: Thu Jun 11 1998 (not present)
|
---|
| 18 | * Fixed gcc-2.8.1 warnings
|
---|
| 19 | * Fixed --version/-V option (not present)
|
---|
| 20 | * Version 1.0.5: Tue Jun 22 1999
|
---|
| 21 | * Make -u option work (not present)
|
---|
| 22 | * Version 1.0.6: Tue Jun 27 2000
|
---|
| 23 | * No important changes
|
---|
| 24 | * Version 1.1.0: Tue Jun 30 2000
|
---|
[2725] | 25 | * Added NLS support (partly written by Arkadiusz Mickiewicz
|
---|
[821] | 26 | * <misiek@misiek.eu.org>)
|
---|
| 27 | * Ported to Busybox - Alfred M. Szmidt <ams@trillian.itslinux.org>
|
---|
[3232] | 28 | * Removed --version/-V and --help/-h
|
---|
[821] | 29 | * Removed parse_error(), using bb_error_msg() from Busybox instead
|
---|
| 30 | * Replaced our_malloc with xmalloc and our_realloc with xrealloc
|
---|
| 31 | *
|
---|
| 32 | */
|
---|
| 33 |
|
---|
[3232] | 34 | //usage:#define getopt_trivial_usage
|
---|
| 35 | //usage: "[OPTIONS] [--] OPTSTRING PARAMS"
|
---|
| 36 | //usage:#define getopt_full_usage "\n\n"
|
---|
| 37 | //usage: IF_LONG_OPTS(
|
---|
| 38 | //usage: " -a,--alternative Allow long options starting with single -"
|
---|
| 39 | //usage: "\n -l,--longoptions=LOPT[,...] Long options to be recognized"
|
---|
| 40 | //usage: "\n -n,--name=PROGNAME The name under which errors are reported"
|
---|
| 41 | //usage: "\n -o,--options=OPTSTRING Short options to be recognized"
|
---|
| 42 | //usage: "\n -q,--quiet Disable error reporting by getopt(3)"
|
---|
| 43 | //usage: "\n -Q,--quiet-output No normal output"
|
---|
| 44 | //usage: "\n -s,--shell=SHELL Set shell quoting conventions"
|
---|
| 45 | //usage: "\n -T,--test Test for getopt(1) version"
|
---|
| 46 | //usage: "\n -u,--unquoted Don't quote the output"
|
---|
| 47 | //usage: )
|
---|
| 48 | //usage: IF_NOT_LONG_OPTS(
|
---|
| 49 | //usage: " -a Allow long options starting with single -"
|
---|
| 50 | //usage: "\n -l LOPT[,...] Long options to be recognized"
|
---|
| 51 | //usage: "\n -n PROGNAME The name under which errors are reported"
|
---|
| 52 | //usage: "\n -o OPTSTRING Short options to be recognized"
|
---|
| 53 | //usage: "\n -q Disable error reporting by getopt(3)"
|
---|
| 54 | //usage: "\n -Q No normal output"
|
---|
| 55 | //usage: "\n -s SHELL Set shell quoting conventions"
|
---|
| 56 | //usage: "\n -T Test for getopt(1) version"
|
---|
| 57 | //usage: "\n -u Don't quote the output"
|
---|
| 58 | //usage: )
|
---|
| 59 | //usage: "\n"
|
---|
| 60 | //usage: "\nExample:"
|
---|
| 61 | //usage: "\n"
|
---|
| 62 | //usage: "\nO=`getopt -l bb: -- ab:c:: \"$@\"` || exit 1"
|
---|
| 63 | //usage: "\neval set -- \"$O\""
|
---|
| 64 | //usage: "\nwhile true; do"
|
---|
| 65 | //usage: "\n case \"$1\" in"
|
---|
| 66 | //usage: "\n -a) echo A; shift;;"
|
---|
| 67 | //usage: "\n -b|--bb) echo \"B:'$2'\"; shift 2;;"
|
---|
| 68 | //usage: "\n -c) case \"$2\" in"
|
---|
| 69 | //usage: "\n \"\") echo C; shift 2;;"
|
---|
| 70 | //usage: "\n *) echo \"C:'$2'\"; shift 2;;"
|
---|
| 71 | //usage: "\n esac;;"
|
---|
| 72 | //usage: "\n --) shift; break;;"
|
---|
| 73 | //usage: "\n *) echo Error; exit 1;;"
|
---|
| 74 | //usage: "\n esac"
|
---|
| 75 | //usage: "\ndone"
|
---|
| 76 | //usage:
|
---|
| 77 | //usage:#define getopt_example_usage
|
---|
| 78 | //usage: "$ cat getopt.test\n"
|
---|
| 79 | //usage: "#!/bin/sh\n"
|
---|
| 80 | //usage: "GETOPT=`getopt -o ab:c:: --long a-long,b-long:,c-long:: \\\n"
|
---|
| 81 | //usage: " -n 'example.busybox' -- \"$@\"`\n"
|
---|
| 82 | //usage: "if [ $? != 0 ]; then exit 1; fi\n"
|
---|
| 83 | //usage: "eval set -- \"$GETOPT\"\n"
|
---|
| 84 | //usage: "while true; do\n"
|
---|
| 85 | //usage: " case $1 in\n"
|
---|
| 86 | //usage: " -a|--a-long) echo \"Option a\"; shift;;\n"
|
---|
| 87 | //usage: " -b|--b-long) echo \"Option b, argument '$2'\"; shift 2;;\n"
|
---|
| 88 | //usage: " -c|--c-long)\n"
|
---|
| 89 | //usage: " case \"$2\" in\n"
|
---|
| 90 | //usage: " \"\") echo \"Option c, no argument\"; shift 2;;\n"
|
---|
| 91 | //usage: " *) echo \"Option c, argument '$2'\"; shift 2;;\n"
|
---|
| 92 | //usage: " esac;;\n"
|
---|
| 93 | //usage: " --) shift; break;;\n"
|
---|
| 94 | //usage: " *) echo \"Internal error!\"; exit 1;;\n"
|
---|
| 95 | //usage: " esac\n"
|
---|
| 96 | //usage: "done\n"
|
---|
| 97 |
|
---|
| 98 | #if ENABLE_FEATURE_GETOPT_LONG
|
---|
| 99 | # include <getopt.h>
|
---|
| 100 | #endif
|
---|
[1765] | 101 | #include "libbb.h"
|
---|
[821] | 102 |
|
---|
| 103 | /* NON_OPT is the code that is returned when a non-option is found in '+'
|
---|
| 104 | mode */
|
---|
| 105 | enum {
|
---|
| 106 | NON_OPT = 1,
|
---|
[2725] | 107 | #if ENABLE_FEATURE_GETOPT_LONG
|
---|
[821] | 108 | /* LONG_OPT is the code that is returned when a long option is found. */
|
---|
| 109 | LONG_OPT = 2
|
---|
[1765] | 110 | #endif
|
---|
[821] | 111 | };
|
---|
| 112 |
|
---|
[1765] | 113 | /* For finding activated option flags. Must match getopt32 call! */
|
---|
| 114 | enum {
|
---|
| 115 | OPT_o = 0x1, // -o
|
---|
| 116 | OPT_n = 0x2, // -n
|
---|
| 117 | OPT_q = 0x4, // -q
|
---|
| 118 | OPT_Q = 0x8, // -Q
|
---|
| 119 | OPT_s = 0x10, // -s
|
---|
| 120 | OPT_T = 0x20, // -T
|
---|
| 121 | OPT_u = 0x40, // -u
|
---|
[2725] | 122 | #if ENABLE_FEATURE_GETOPT_LONG
|
---|
[1765] | 123 | OPT_a = 0x80, // -a
|
---|
| 124 | OPT_l = 0x100, // -l
|
---|
| 125 | #endif
|
---|
| 126 | SHELL_IS_TCSH = 0x8000, /* hijack this bit for other purposes */
|
---|
| 127 | };
|
---|
[821] | 128 |
|
---|
[1765] | 129 | /* 0 is getopt_long, 1 is getopt_long_only */
|
---|
| 130 | #define alternative (option_mask32 & OPT_a)
|
---|
[821] | 131 |
|
---|
[1765] | 132 | #define quiet_errors (option_mask32 & OPT_q)
|
---|
| 133 | #define quiet_output (option_mask32 & OPT_Q)
|
---|
| 134 | #define quote (!(option_mask32 & OPT_u))
|
---|
| 135 | #define shell_TCSH (option_mask32 & SHELL_IS_TCSH)
|
---|
[821] | 136 |
|
---|
| 137 | /*
|
---|
| 138 | * This function 'normalizes' a single argument: it puts single quotes around
|
---|
| 139 | * it and escapes other special characters. If quote is false, it just
|
---|
| 140 | * returns its argument.
|
---|
| 141 | * Bash only needs special treatment for single quotes; tcsh also recognizes
|
---|
| 142 | * exclamation marks within single quotes, and nukes whitespace.
|
---|
| 143 | * This function returns a pointer to a buffer that is overwritten by
|
---|
| 144 | * each call.
|
---|
| 145 | */
|
---|
[1765] | 146 | static const char *normalize(const char *arg)
|
---|
[821] | 147 | {
|
---|
| 148 | char *bufptr;
|
---|
[1765] | 149 | #if ENABLE_FEATURE_CLEAN_UP
|
---|
| 150 | static char *BUFFER = NULL;
|
---|
[821] | 151 | free(BUFFER);
|
---|
[1765] | 152 | #else
|
---|
| 153 | char *BUFFER;
|
---|
| 154 | #endif
|
---|
[821] | 155 |
|
---|
| 156 | if (!quote) { /* Just copy arg */
|
---|
[1765] | 157 | BUFFER = xstrdup(arg);
|
---|
[821] | 158 | return BUFFER;
|
---|
| 159 | }
|
---|
| 160 |
|
---|
| 161 | /* Each character in arg may take up to four characters in the result:
|
---|
| 162 | For a quote we need a closing quote, a backslash, a quote and an
|
---|
| 163 | opening quote! We need also the global opening and closing quote,
|
---|
| 164 | and one extra character for '\0'. */
|
---|
[1765] | 165 | BUFFER = xmalloc(strlen(arg)*4 + 3);
|
---|
[821] | 166 |
|
---|
[1765] | 167 | bufptr = BUFFER;
|
---|
| 168 | *bufptr ++= '\'';
|
---|
[821] | 169 |
|
---|
[1765] | 170 | while (*arg) {
|
---|
| 171 | if (*arg == '\'') {
|
---|
[821] | 172 | /* Quote: replace it with: '\'' */
|
---|
[1765] | 173 | *bufptr ++= '\'';
|
---|
| 174 | *bufptr ++= '\\';
|
---|
| 175 | *bufptr ++= '\'';
|
---|
| 176 | *bufptr ++= '\'';
|
---|
| 177 | } else if (shell_TCSH && *arg == '!') {
|
---|
[821] | 178 | /* Exclamation mark: replace it with: \! */
|
---|
[1765] | 179 | *bufptr ++= '\'';
|
---|
| 180 | *bufptr ++= '\\';
|
---|
| 181 | *bufptr ++= '!';
|
---|
| 182 | *bufptr ++= '\'';
|
---|
| 183 | } else if (shell_TCSH && *arg == '\n') {
|
---|
[821] | 184 | /* Newline: replace it with: \n */
|
---|
[1765] | 185 | *bufptr ++= '\\';
|
---|
| 186 | *bufptr ++= 'n';
|
---|
| 187 | } else if (shell_TCSH && isspace(*arg)) {
|
---|
[821] | 188 | /* Non-newline whitespace: replace it with \<ws> */
|
---|
[1765] | 189 | *bufptr ++= '\'';
|
---|
| 190 | *bufptr ++= '\\';
|
---|
| 191 | *bufptr ++= *arg;
|
---|
| 192 | *bufptr ++= '\'';
|
---|
[821] | 193 | } else
|
---|
| 194 | /* Just copy */
|
---|
[1765] | 195 | *bufptr ++= *arg;
|
---|
| 196 | arg++;
|
---|
[821] | 197 | }
|
---|
[1765] | 198 | *bufptr ++= '\'';
|
---|
| 199 | *bufptr ++= '\0';
|
---|
[821] | 200 | return BUFFER;
|
---|
| 201 | }
|
---|
| 202 |
|
---|
| 203 | /*
|
---|
| 204 | * Generate the output. argv[0] is the program name (used for reporting errors).
|
---|
| 205 | * argv[1..] contains the options to be parsed. argc must be the number of
|
---|
| 206 | * elements in argv (ie. 1 if there are no options, only the program name),
|
---|
| 207 | * optstr must contain the short options, and longopts the long options.
|
---|
| 208 | * Other settings are found in global variables.
|
---|
| 209 | */
|
---|
[2725] | 210 | #if !ENABLE_FEATURE_GETOPT_LONG
|
---|
| 211 | #define generate_output(argv,argc,optstr,longopts) \
|
---|
| 212 | generate_output(argv,argc,optstr)
|
---|
[1765] | 213 | #endif
|
---|
| 214 | static int generate_output(char **argv, int argc, const char *optstr, const struct option *longopts)
|
---|
[821] | 215 | {
|
---|
| 216 | int exit_code = 0; /* We assume everything will be OK */
|
---|
[2725] | 217 | int opt;
|
---|
| 218 | #if ENABLE_FEATURE_GETOPT_LONG
|
---|
[821] | 219 | int longindex;
|
---|
[1765] | 220 | #endif
|
---|
[821] | 221 | const char *charptr;
|
---|
| 222 |
|
---|
| 223 | if (quiet_errors) /* No error reporting from getopt(3) */
|
---|
[1765] | 224 | opterr = 0;
|
---|
[821] | 225 |
|
---|
[2725] | 226 | /* We used it already in main() in getopt32(),
|
---|
| 227 | * we *must* reset getopt(3): */
|
---|
| 228 | #ifdef __GLIBC__
|
---|
| 229 | optind = 0;
|
---|
| 230 | #else /* BSD style */
|
---|
| 231 | optind = 1;
|
---|
| 232 | /* optreset = 1; */
|
---|
| 233 | #endif
|
---|
| 234 |
|
---|
[1765] | 235 | while (1) {
|
---|
| 236 | opt =
|
---|
[2725] | 237 | #if ENABLE_FEATURE_GETOPT_LONG
|
---|
[1765] | 238 | alternative ?
|
---|
| 239 | getopt_long_only(argc, argv, optstr, longopts, &longindex) :
|
---|
| 240 | getopt_long(argc, argv, optstr, longopts, &longindex);
|
---|
| 241 | #else
|
---|
| 242 | getopt(argc, argv, optstr);
|
---|
| 243 | #endif
|
---|
[2725] | 244 | if (opt == -1)
|
---|
[1765] | 245 | break;
|
---|
[821] | 246 | if (opt == '?' || opt == ':' )
|
---|
| 247 | exit_code = 1;
|
---|
| 248 | else if (!quiet_output) {
|
---|
[2725] | 249 | #if ENABLE_FEATURE_GETOPT_LONG
|
---|
[821] | 250 | if (opt == LONG_OPT) {
|
---|
[1765] | 251 | printf(" --%s", longopts[longindex].name);
|
---|
[821] | 252 | if (longopts[longindex].has_arg)
|
---|
| 253 | printf(" %s",
|
---|
[1765] | 254 | normalize(optarg ? optarg : ""));
|
---|
| 255 | } else
|
---|
| 256 | #endif
|
---|
| 257 | if (opt == NON_OPT)
|
---|
| 258 | printf(" %s", normalize(optarg));
|
---|
[821] | 259 | else {
|
---|
[1765] | 260 | printf(" -%c", opt);
|
---|
[2725] | 261 | charptr = strchr(optstr, opt);
|
---|
[821] | 262 | if (charptr != NULL && *++charptr == ':')
|
---|
| 263 | printf(" %s",
|
---|
[1765] | 264 | normalize(optarg ? optarg : ""));
|
---|
[821] | 265 | }
|
---|
| 266 | }
|
---|
[1765] | 267 | }
|
---|
[821] | 268 |
|
---|
[1765] | 269 | if (!quiet_output) {
|
---|
[821] | 270 | printf(" --");
|
---|
| 271 | while (optind < argc)
|
---|
[1765] | 272 | printf(" %s", normalize(argv[optind++]));
|
---|
[2725] | 273 | bb_putchar('\n');
|
---|
[821] | 274 | }
|
---|
| 275 | return exit_code;
|
---|
| 276 | }
|
---|
| 277 |
|
---|
[2725] | 278 | #if ENABLE_FEATURE_GETOPT_LONG
|
---|
[821] | 279 | /*
|
---|
| 280 | * Register several long options. options is a string of long options,
|
---|
| 281 | * separated by commas or whitespace.
|
---|
| 282 | * This nukes options!
|
---|
| 283 | */
|
---|
[1765] | 284 | static struct option *add_long_options(struct option *long_options, char *options)
|
---|
[821] | 285 | {
|
---|
[1765] | 286 | int long_nr = 0;
|
---|
[821] | 287 | int arg_opt, tlen;
|
---|
[1765] | 288 | char *tokptr = strtok(options, ", \t\n");
|
---|
| 289 |
|
---|
| 290 | if (long_options)
|
---|
| 291 | while (long_options[long_nr].name)
|
---|
| 292 | long_nr++;
|
---|
| 293 |
|
---|
[821] | 294 | while (tokptr) {
|
---|
[1765] | 295 | arg_opt = no_argument;
|
---|
| 296 | tlen = strlen(tokptr);
|
---|
| 297 | if (tlen) {
|
---|
| 298 | tlen--;
|
---|
| 299 | if (tokptr[tlen] == ':') {
|
---|
| 300 | arg_opt = required_argument;
|
---|
| 301 | if (tlen && tokptr[tlen-1] == ':') {
|
---|
| 302 | tlen--;
|
---|
| 303 | arg_opt = optional_argument;
|
---|
[821] | 304 | }
|
---|
[1765] | 305 | tokptr[tlen] = '\0';
|
---|
[821] | 306 | if (tlen == 0)
|
---|
[1765] | 307 | bb_error_msg_and_die("empty long option specified");
|
---|
[821] | 308 | }
|
---|
[2725] | 309 | long_options = xrealloc_vector(long_options, 4, long_nr);
|
---|
[1765] | 310 | long_options[long_nr].has_arg = arg_opt;
|
---|
[2725] | 311 | /*long_options[long_nr].flag = NULL; - xrealloc_vector did it */
|
---|
[1765] | 312 | long_options[long_nr].val = LONG_OPT;
|
---|
| 313 | long_options[long_nr].name = xstrdup(tokptr);
|
---|
| 314 | long_nr++;
|
---|
[2725] | 315 | /*memset(&long_options[long_nr], 0, sizeof(long_options[0])); - xrealloc_vector did it */
|
---|
[821] | 316 | }
|
---|
[1765] | 317 | tokptr = strtok(NULL, ", \t\n");
|
---|
[821] | 318 | }
|
---|
[1765] | 319 | return long_options;
|
---|
[821] | 320 | }
|
---|
[1765] | 321 | #endif
|
---|
[821] | 322 |
|
---|
[1765] | 323 | static void set_shell(const char *new_shell)
|
---|
[821] | 324 | {
|
---|
[2725] | 325 | if (!strcmp(new_shell, "bash") || !strcmp(new_shell, "sh"))
|
---|
[1765] | 326 | return;
|
---|
[2725] | 327 | if (!strcmp(new_shell, "tcsh") || !strcmp(new_shell, "csh"))
|
---|
[1765] | 328 | option_mask32 |= SHELL_IS_TCSH;
|
---|
[821] | 329 | else
|
---|
[1765] | 330 | bb_error_msg("unknown shell '%s', assuming bash", new_shell);
|
---|
[821] | 331 | }
|
---|
| 332 |
|
---|
| 333 |
|
---|
| 334 | /* Exit codes:
|
---|
| 335 | * 0) No errors, successful operation.
|
---|
| 336 | * 1) getopt(3) returned an error.
|
---|
| 337 | * 2) A problem with parameter parsing for getopt(1).
|
---|
| 338 | * 3) Internal error, out of memory
|
---|
| 339 | * 4) Returned for -T
|
---|
| 340 | */
|
---|
| 341 |
|
---|
[2725] | 342 | #if ENABLE_FEATURE_GETOPT_LONG
|
---|
[1765] | 343 | static const char getopt_longopts[] ALIGN1 =
|
---|
| 344 | "options\0" Required_argument "o"
|
---|
| 345 | "longoptions\0" Required_argument "l"
|
---|
| 346 | "quiet\0" No_argument "q"
|
---|
| 347 | "quiet-output\0" No_argument "Q"
|
---|
| 348 | "shell\0" Required_argument "s"
|
---|
| 349 | "test\0" No_argument "T"
|
---|
| 350 | "unquoted\0" No_argument "u"
|
---|
| 351 | "alternative\0" No_argument "a"
|
---|
| 352 | "name\0" Required_argument "n"
|
---|
| 353 | ;
|
---|
| 354 | #endif
|
---|
[821] | 355 |
|
---|
[2725] | 356 | int getopt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
---|
| 357 | int getopt_main(int argc, char **argv)
|
---|
[821] | 358 | {
|
---|
[3232] | 359 | int n;
|
---|
[1765] | 360 | char *optstr = NULL;
|
---|
[821] | 361 | char *name = NULL;
|
---|
[1765] | 362 | unsigned opt;
|
---|
| 363 | const char *compatible;
|
---|
| 364 | char *s_arg;
|
---|
[2725] | 365 | #if ENABLE_FEATURE_GETOPT_LONG
|
---|
[1765] | 366 | struct option *long_options = NULL;
|
---|
| 367 | llist_t *l_arg = NULL;
|
---|
| 368 | #endif
|
---|
[821] | 369 |
|
---|
[1765] | 370 | compatible = getenv("GETOPT_COMPATIBLE"); /* used as yes/no flag */
|
---|
[821] | 371 |
|
---|
[3232] | 372 | if (!argv[1]) {
|
---|
[821] | 373 | if (compatible) {
|
---|
| 374 | /* For some reason, the original getopt gave no error
|
---|
[3232] | 375 | * when there were no arguments. */
|
---|
[821] | 376 | printf(" --\n");
|
---|
[1765] | 377 | return 0;
|
---|
| 378 | }
|
---|
| 379 | bb_error_msg_and_die("missing optstring argument");
|
---|
[821] | 380 | }
|
---|
| 381 |
|
---|
| 382 | if (argv[1][0] != '-' || compatible) {
|
---|
[3232] | 383 | char *s = argv[1];
|
---|
[821] | 384 |
|
---|
[1765] | 385 | option_mask32 |= OPT_u; /* quoting off */
|
---|
[3232] | 386 | s = xstrdup(s + strspn(s, "-+"));
|
---|
[1765] | 387 | argv[1] = argv[0];
|
---|
| 388 | return generate_output(argv+1, argc-1, s, long_options);
|
---|
[821] | 389 | }
|
---|
| 390 |
|
---|
[2725] | 391 | #if !ENABLE_FEATURE_GETOPT_LONG
|
---|
[1765] | 392 | opt = getopt32(argv, "+o:n:qQs:Tu", &optstr, &name, &s_arg);
|
---|
| 393 | #else
|
---|
| 394 | applet_long_options = getopt_longopts;
|
---|
| 395 | opt_complementary = "l::";
|
---|
| 396 | opt = getopt32(argv, "+o:n:qQs:Tual:",
|
---|
| 397 | &optstr, &name, &s_arg, &l_arg);
|
---|
| 398 | /* Effectuate the read options for the applet itself */
|
---|
| 399 | while (l_arg) {
|
---|
[2725] | 400 | long_options = add_long_options(long_options, llist_pop(&l_arg));
|
---|
[1765] | 401 | }
|
---|
| 402 | #endif
|
---|
[821] | 403 |
|
---|
[1765] | 404 | if (opt & OPT_s) {
|
---|
| 405 | set_shell(s_arg);
|
---|
| 406 | }
|
---|
| 407 |
|
---|
| 408 | if (opt & OPT_T) {
|
---|
| 409 | return 4;
|
---|
| 410 | }
|
---|
| 411 |
|
---|
| 412 | /* All options controlling the applet have now been parsed */
|
---|
[3232] | 413 | n = optind - 1;
|
---|
[821] | 414 | if (!optstr) {
|
---|
[3232] | 415 | optstr = argv[++n];
|
---|
| 416 | if (!optstr)
|
---|
[821] | 417 | bb_error_msg_and_die("missing optstring argument");
|
---|
| 418 | }
|
---|
[1765] | 419 |
|
---|
[3232] | 420 | argv[n] = name ? name : argv[0];
|
---|
| 421 | return generate_output(argv + n, argc - n, optstr, long_options);
|
---|
[821] | 422 | }
|
---|