"Robert P. J. Day" | 63fc1a9 | 2006-07-02 19:47:05 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 2 | /* |
| 3 | * getopt.c - Enhanced implementation of BSD getopt(1) |
| 4 | * Copyright (c) 1997, 1998, 1999, 2000 Frodo Looijaard <frodol@dds.nl> |
| 5 | * |
Bernhard Reutner-Fischer | b1629b1 | 2006-05-19 19:29:19 +0000 | [diff] [blame] | 6 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 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 |
| 25 | * Added NLS support (partly written by Arkadiusz Mi<B6>kiewicz |
| 26 | * <misiek@misiek.eu.org>) |
| 27 | * Ported to Busybox - Alfred M. Szmidt <ams@trillian.itslinux.org> |
| 28 | * Removed --version/-V and --help/-h in |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 29 | * Removed parse_error(), using bb_error_msg() from Busybox instead |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 30 | * Replaced our_malloc with xmalloc and our_realloc with xrealloc |
| 31 | * |
| 32 | */ |
| 33 | |
Eric Andersen | 3570a34 | 2000-09-25 21:45:58 +0000 | [diff] [blame] | 34 | #include "busybox.h" |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 35 | #include <getopt.h> |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 36 | |
| 37 | /* NON_OPT is the code that is returned when a non-option is found in '+' |
| 38 | mode */ |
Rob Landley | bc68cd1 | 2006-03-10 19:22:06 +0000 | [diff] [blame] | 39 | enum { |
| 40 | NON_OPT = 1, |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 41 | /* LONG_OPT is the code that is returned when a long option is found. */ |
Rob Landley | bc68cd1 | 2006-03-10 19:22:06 +0000 | [diff] [blame] | 42 | LONG_OPT = 2 |
| 43 | }; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 44 | |
| 45 | /* The shells recognized. */ |
| 46 | typedef enum {BASH,TCSH} shell_t; |
| 47 | |
| 48 | |
| 49 | /* Some global variables that tells us how to parse. */ |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 50 | static shell_t shell=BASH; /* The shell we generate output for. */ |
"Vladimir N. Oleynik" | 5cf9a03 | 2005-10-19 09:21:51 +0000 | [diff] [blame] | 51 | static int quiet_errors; /* 0 is not quiet. */ |
| 52 | static int quiet_output; /* 0 is not quiet. */ |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 53 | static int quote=1; /* 1 is do quote. */ |
"Vladimir N. Oleynik" | 5cf9a03 | 2005-10-19 09:21:51 +0000 | [diff] [blame] | 54 | static int alternative; /* 0 is getopt_long, 1 is getopt_long_only */ |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 55 | |
| 56 | /* Function prototypes */ |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 57 | static const char *normalize(const char *arg); |
| 58 | static int generate_output(char * argv[],int argc,const char *optstr, |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 59 | const struct option *longopts); |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 60 | static void add_long_options(char *options); |
| 61 | static void add_longopt(const char *name,int has_arg); |
| 62 | static void set_shell(const char *new_shell); |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 63 | |
| 64 | |
| 65 | /* |
| 66 | * This function 'normalizes' a single argument: it puts single quotes around |
| 67 | * it and escapes other special characters. If quote is false, it just |
| 68 | * returns its argument. |
| 69 | * Bash only needs special treatment for single quotes; tcsh also recognizes |
| 70 | * exclamation marks within single quotes, and nukes whitespace. |
| 71 | * This function returns a pointer to a buffer that is overwritten by |
| 72 | * each call. |
| 73 | */ |
| 74 | const char *normalize(const char *arg) |
| 75 | { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 76 | static char *BUFFER=NULL; |
| 77 | const char *argptr=arg; |
| 78 | char *bufptr; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 79 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 80 | free(BUFFER); |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 81 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 82 | if (!quote) { /* Just copy arg */ |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 83 | BUFFER=xstrdup(arg); |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 84 | return BUFFER; |
| 85 | } |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 86 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 87 | /* Each character in arg may take up to four characters in the result: |
| 88 | For a quote we need a closing quote, a backslash, a quote and an |
| 89 | opening quote! We need also the global opening and closing quote, |
| 90 | and one extra character for '\0'. */ |
| 91 | BUFFER=xmalloc(strlen(arg)*4+3); |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 92 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 93 | bufptr=BUFFER; |
| 94 | *bufptr++='\''; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 95 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 96 | while (*argptr) { |
| 97 | if (*argptr == '\'') { |
| 98 | /* Quote: replace it with: '\'' */ |
| 99 | *bufptr++='\''; |
| 100 | *bufptr++='\\'; |
| 101 | *bufptr++='\''; |
| 102 | *bufptr++='\''; |
| 103 | } else if (shell==TCSH && *argptr=='!') { |
| 104 | /* Exclamation mark: replace it with: \! */ |
| 105 | *bufptr++='\''; |
| 106 | *bufptr++='\\'; |
| 107 | *bufptr++='!'; |
| 108 | *bufptr++='\''; |
| 109 | } else if (shell==TCSH && *argptr=='\n') { |
| 110 | /* Newline: replace it with: \n */ |
| 111 | *bufptr++='\\'; |
| 112 | *bufptr++='n'; |
| 113 | } else if (shell==TCSH && isspace(*argptr)) { |
| 114 | /* Non-newline whitespace: replace it with \<ws> */ |
| 115 | *bufptr++='\''; |
| 116 | *bufptr++='\\'; |
| 117 | *bufptr++=*argptr; |
| 118 | *bufptr++='\''; |
| 119 | } else |
| 120 | /* Just copy */ |
| 121 | *bufptr++=*argptr; |
| 122 | argptr++; |
| 123 | } |
| 124 | *bufptr++='\''; |
| 125 | *bufptr++='\0'; |
| 126 | return BUFFER; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | /* |
| 130 | * Generate the output. argv[0] is the program name (used for reporting errors). |
| 131 | * argv[1..] contains the options to be parsed. argc must be the number of |
| 132 | * elements in argv (ie. 1 if there are no options, only the program name), |
| 133 | * optstr must contain the short options, and longopts the long options. |
| 134 | * Other settings are found in global variables. |
| 135 | */ |
| 136 | int generate_output(char * argv[],int argc,const char *optstr, |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 137 | const struct option *longopts) |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 138 | { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 139 | int exit_code = 0; /* We assume everything will be OK */ |
| 140 | int opt; |
| 141 | int longindex; |
| 142 | const char *charptr; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 143 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 144 | if (quiet_errors) /* No error reporting from getopt(3) */ |
| 145 | opterr=0; |
| 146 | optind=0; /* Reset getopt(3) */ |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 147 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 148 | while ((opt = (alternative? |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 149 | getopt_long_only(argc,argv,optstr,longopts,&longindex): |
| 150 | getopt_long(argc,argv,optstr,longopts,&longindex))) |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 151 | != EOF) |
| 152 | if (opt == '?' || opt == ':' ) |
| 153 | exit_code = 1; |
| 154 | else if (!quiet_output) { |
| 155 | if (opt == LONG_OPT) { |
| 156 | printf(" --%s",longopts[longindex].name); |
| 157 | if (longopts[longindex].has_arg) |
| 158 | printf(" %s", |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 159 | normalize(optarg?optarg:"")); |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 160 | } else if (opt == NON_OPT) |
| 161 | printf(" %s",normalize(optarg)); |
| 162 | else { |
| 163 | printf(" -%c",opt); |
| 164 | charptr = strchr(optstr,opt); |
| 165 | if (charptr != NULL && *++charptr == ':') |
| 166 | printf(" %s", |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 167 | normalize(optarg?optarg:"")); |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 168 | } |
| 169 | } |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 170 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 171 | if (! quiet_output) { |
| 172 | printf(" --"); |
| 173 | while (optind < argc) |
| 174 | printf(" %s",normalize(argv[optind++])); |
| 175 | printf("\n"); |
| 176 | } |
| 177 | return exit_code; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 178 | } |
| 179 | |
"Vladimir N. Oleynik" | 5cf9a03 | 2005-10-19 09:21:51 +0000 | [diff] [blame] | 180 | static struct option *long_options; |
| 181 | static int long_options_length; /* Length of array */ |
| 182 | static int long_options_nr; /* Nr of used elements in array */ |
Rob Landley | bc68cd1 | 2006-03-10 19:22:06 +0000 | [diff] [blame] | 183 | enum { LONG_OPTIONS_INCR = 10 }; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 184 | #define init_longopt() add_longopt(NULL,0) |
| 185 | |
| 186 | /* Register a long option. The contents of name is copied. */ |
Denis Vlasenko | 67b23e6 | 2006-10-03 21:00:06 +0000 | [diff] [blame^] | 187 | void add_longopt(const char *name, int has_arg) |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 188 | { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 189 | if (!name) { /* init */ |
| 190 | free(long_options); |
| 191 | long_options=NULL; |
| 192 | long_options_length=0; |
| 193 | long_options_nr=0; |
| 194 | } |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 195 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 196 | if (long_options_nr == long_options_length) { |
| 197 | long_options_length += LONG_OPTIONS_INCR; |
| 198 | long_options=xrealloc(long_options, |
| 199 | sizeof(struct option) * |
| 200 | long_options_length); |
| 201 | } |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 202 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 203 | long_options[long_options_nr].name=NULL; |
| 204 | long_options[long_options_nr].has_arg=0; |
| 205 | long_options[long_options_nr].flag=NULL; |
| 206 | long_options[long_options_nr].val=0; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 207 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 208 | if (long_options_nr) { /* Not for init! */ |
| 209 | long_options[long_options_nr-1].has_arg=has_arg; |
| 210 | long_options[long_options_nr-1].flag=NULL; |
| 211 | long_options[long_options_nr-1].val=LONG_OPT; |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 212 | long_options[long_options_nr-1].name=xstrdup(name); |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 213 | } |
| 214 | long_options_nr++; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | |
| 218 | /* |
| 219 | * Register several long options. options is a string of long options, |
| 220 | * separated by commas or whitespace. |
| 221 | * This nukes options! |
| 222 | */ |
| 223 | void add_long_options(char *options) |
| 224 | { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 225 | int arg_opt, tlen; |
| 226 | char *tokptr=strtok(options,", \t\n"); |
| 227 | while (tokptr) { |
| 228 | arg_opt=no_argument; |
Mark Whitley | af03049 | 2001-04-23 23:16:20 +0000 | [diff] [blame] | 229 | tlen=strlen(tokptr); |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 230 | if (tlen > 0) { |
| 231 | if (tokptr[tlen-1] == ':') { |
| 232 | if (tlen > 1 && tokptr[tlen-2] == ':') { |
| 233 | tokptr[tlen-2]='\0'; |
Mark Whitley | af03049 | 2001-04-23 23:16:20 +0000 | [diff] [blame] | 234 | tlen -= 2; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 235 | arg_opt=optional_argument; |
| 236 | } else { |
| 237 | tokptr[tlen-1]='\0'; |
Mark Whitley | af03049 | 2001-04-23 23:16:20 +0000 | [diff] [blame] | 238 | tlen -= 1; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 239 | arg_opt=required_argument; |
| 240 | } |
| 241 | if (tlen == 0) |
| 242 | bb_error_msg("empty long option after -l or --long argument"); |
| 243 | } |
| 244 | add_longopt(tokptr,arg_opt); |
| 245 | } |
| 246 | tokptr=strtok(NULL,", \t\n"); |
| 247 | } |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | void set_shell(const char *new_shell) |
| 251 | { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 252 | if (!strcmp(new_shell,"bash")) |
| 253 | shell=BASH; |
| 254 | else if (!strcmp(new_shell,"tcsh")) |
| 255 | shell=TCSH; |
| 256 | else if (!strcmp(new_shell,"sh")) |
| 257 | shell=BASH; |
| 258 | else if (!strcmp(new_shell,"csh")) |
| 259 | shell=TCSH; |
| 260 | else |
| 261 | bb_error_msg("unknown shell after -s or --shell argument"); |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 262 | } |
| 263 | |
| 264 | |
| 265 | /* Exit codes: |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 266 | * 0) No errors, successful operation. |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 267 | * 1) getopt(3) returned an error. |
| 268 | * 2) A problem with parameter parsing for getopt(1). |
| 269 | * 3) Internal error, out of memory |
| 270 | * 4) Returned for -T |
| 271 | */ |
| 272 | |
"Vladimir N. Oleynik" | 5cf9a03 | 2005-10-19 09:21:51 +0000 | [diff] [blame] | 273 | static const struct option longopts[]= |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 274 | { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 275 | {"options",required_argument,NULL,'o'}, |
| 276 | {"longoptions",required_argument,NULL,'l'}, |
| 277 | {"quiet",no_argument,NULL,'q'}, |
| 278 | {"quiet-output",no_argument,NULL,'Q'}, |
| 279 | {"shell",required_argument,NULL,'s'}, |
| 280 | {"test",no_argument,NULL,'T'}, |
| 281 | {"unquoted",no_argument,NULL,'u'}, |
| 282 | {"alternative",no_argument,NULL,'a'}, |
| 283 | {"name",required_argument,NULL,'n'}, |
| 284 | {NULL,0,NULL,0} |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 285 | }; |
| 286 | |
| 287 | /* Stop scanning as soon as a non-option argument is found! */ |
"Vladimir N. Oleynik" | 5cf9a03 | 2005-10-19 09:21:51 +0000 | [diff] [blame] | 288 | static const char shortopts[]="+ao:l:n:qQs:Tu"; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 289 | |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 290 | |
| 291 | int getopt_main(int argc, char *argv[]) |
| 292 | { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 293 | const char *optstr = NULL; |
| 294 | char *name = NULL; |
| 295 | int opt; |
| 296 | int compatible=0; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 297 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 298 | init_longopt(); |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 299 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 300 | if (getenv("GETOPT_COMPATIBLE")) |
| 301 | compatible=1; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 302 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 303 | if (argc == 1) { |
| 304 | if (compatible) { |
| 305 | /* For some reason, the original getopt gave no error |
| 306 | when there were no arguments. */ |
| 307 | printf(" --\n"); |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 308 | return 0; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 309 | } else |
| 310 | bb_error_msg_and_die("missing optstring argument"); |
| 311 | } |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 312 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 313 | if (argv[1][0] != '-' || compatible) { |
Rob Landley | dbaf97e | 2005-09-05 06:16:53 +0000 | [diff] [blame] | 314 | char *s; |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 315 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 316 | quote=0; |
| 317 | s=xmalloc(strlen(argv[1])+1); |
| 318 | strcpy(s,argv[1]+strspn(argv[1],"-+")); |
| 319 | argv[1]=argv[0]; |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 320 | return (generate_output(argv+1,argc-1,s,long_options)); |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 321 | } |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 322 | |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 323 | while ((opt=getopt_long(argc,argv,shortopts,longopts,NULL)) != EOF) |
| 324 | switch (opt) { |
| 325 | case 'a': |
| 326 | alternative=1; |
| 327 | break; |
| 328 | case 'o': |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 329 | optstr = optarg; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 330 | break; |
| 331 | case 'l': |
| 332 | add_long_options(optarg); |
| 333 | break; |
| 334 | case 'n': |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 335 | name = optarg; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 336 | break; |
| 337 | case 'q': |
| 338 | quiet_errors=1; |
| 339 | break; |
| 340 | case 'Q': |
| 341 | quiet_output=1; |
| 342 | break; |
| 343 | case 's': |
| 344 | set_shell(optarg); |
| 345 | break; |
| 346 | case 'T': |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 347 | return 4; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 348 | case 'u': |
| 349 | quote=0; |
| 350 | break; |
| 351 | default: |
| 352 | bb_show_usage(); |
| 353 | } |
| 354 | |
| 355 | if (!optstr) { |
| 356 | if (optind >= argc) |
| 357 | bb_error_msg_and_die("missing optstring argument"); |
| 358 | else optstr=argv[optind++]; |
| 359 | } |
| 360 | if (name) |
| 361 | argv[optind-1]=name; |
| 362 | else |
| 363 | argv[optind-1]=argv[0]; |
Denis Vlasenko | f47ff10 | 2006-09-22 08:42:06 +0000 | [diff] [blame] | 364 | return generate_output(argv+optind-1,argc-optind+1,optstr,long_options); |
Eric Andersen | a1f16bb | 2000-08-21 22:02:34 +0000 | [diff] [blame] | 365 | } |