| 1 | /** \ingroup popt |
| 2 | * \file popt/popt.c |
| 3 | */ |
| 4 | |
| 5 | /* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING |
| 6 | file accompanying popt source distributions, available from |
| 7 | ftp://ftp.rpm.org/pub/rpm/dist */ |
| 8 | |
| 9 | #undef MYDEBUG |
| 10 | |
| 11 | #include "system.h" |
| 12 | |
| 13 | #if HAVE_FLOAT_H |
| 14 | #include <float.h> |
| 15 | #endif |
| 16 | #include <math.h> |
| 17 | |
| 18 | #include "findme.h" |
| 19 | #include "poptint.h" |
| 20 | |
| 21 | #ifndef DBL_EPSILON |
| 22 | #define DBL_EPSILON 2.2204460492503131e-16 |
| 23 | #endif |
| 24 | |
| 25 | #ifdef MYDEBUG |
| 26 | /*@unchecked@*/ |
| 27 | int _popt_debug = 0; |
| 28 | #endif |
| 29 | |
| 30 | #if !defined(HAVE_STRERROR) && !defined(__LCLINT__) |
| 31 | static char * strerror(int errno) |
| 32 | { |
| 33 | extern int sys_nerr; |
| 34 | extern char * sys_errlist[]; |
| 35 | |
| 36 | if ((0 <= errno) && (errno < sys_nerr)) |
| 37 | return sys_errlist[errno]; |
| 38 | else |
| 39 | return POPT_("unknown errno"); |
| 40 | } |
| 41 | #endif |
| 42 | |
| 43 | #ifdef MYDEBUG |
| 44 | /*@unused@*/ |
| 45 | static void prtcon(const char *msg, poptContext con) |
| 46 | { |
| 47 | if (msg) fprintf(stderr, "%s", msg); |
| 48 | fprintf(stderr, "\tcon %p os %p nextCharArg \"%s\" nextArg \"%s\" argv[%d] \"%s\"\n", |
| 49 | con, con->os, |
| 50 | (con->os->nextCharArg ? con->os->nextCharArg : ""), |
| 51 | (con->os->nextArg ? con->os->nextArg : ""), |
| 52 | con->os->next, |
| 53 | (con->os->argv && con->os->argv[con->os->next] |
| 54 | ? con->os->argv[con->os->next] : "")); |
| 55 | } |
| 56 | #endif |
| 57 | |
| 58 | void poptSetExecPath(poptContext con, const char * path, int allowAbsolute) |
| 59 | { |
| 60 | con->execPath = _free(con->execPath); |
| 61 | con->execPath = xstrdup(path); |
| 62 | con->execAbsolute = allowAbsolute; |
| 63 | /*@-nullstate@*/ /* LCL: con->execPath not NULL */ |
| 64 | return; |
| 65 | /*@=nullstate@*/ |
| 66 | } |
| 67 | |
| 68 | static void invokeCallbacksPRE(poptContext con, const struct poptOption * opt) |
| 69 | /*@globals internalState@*/ |
| 70 | /*@modifies internalState@*/ |
| 71 | { |
| 72 | if (opt != NULL) |
| 73 | for (; opt->longName || opt->shortName || opt->arg; opt++) { |
| 74 | if (opt->arg == NULL) continue; /* XXX program error. */ |
| 75 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) { |
| 76 | void * arg = opt->arg; |
| 77 | /*@-branchstate@*/ |
| 78 | /* XXX sick hack to preserve pretense of ABI. */ |
| 79 | if (arg == poptHelpOptions) arg = poptHelpOptionsI18N; |
| 80 | /*@=branchstate@*/ |
| 81 | /* Recurse on included sub-tables. */ |
| 82 | invokeCallbacksPRE(con, arg); |
| 83 | } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK && |
| 84 | (opt->argInfo & POPT_CBFLAG_PRE)) |
| 85 | { /*@-castfcnptr@*/ |
| 86 | poptCallbackType cb = (poptCallbackType)opt->arg; |
| 87 | /*@=castfcnptr@*/ |
| 88 | /* Perform callback. */ |
| 89 | /*@-noeffectuncon @*/ |
| 90 | cb(con, POPT_CALLBACK_REASON_PRE, NULL, NULL, opt->descrip); |
| 91 | /*@=noeffectuncon @*/ |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | static void invokeCallbacksPOST(poptContext con, const struct poptOption * opt) |
| 97 | /*@globals internalState@*/ |
| 98 | /*@modifies internalState@*/ |
| 99 | { |
| 100 | if (opt != NULL) |
| 101 | for (; opt->longName || opt->shortName || opt->arg; opt++) { |
| 102 | if (opt->arg == NULL) continue; /* XXX program error. */ |
| 103 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) { |
| 104 | void * arg = opt->arg; |
| 105 | /*@-branchstate@*/ |
| 106 | /* XXX sick hack to preserve pretense of ABI. */ |
| 107 | if (arg == poptHelpOptions) arg = poptHelpOptionsI18N; |
| 108 | /*@=branchstate@*/ |
| 109 | /* Recurse on included sub-tables. */ |
| 110 | invokeCallbacksPOST(con, arg); |
| 111 | } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK && |
| 112 | (opt->argInfo & POPT_CBFLAG_POST)) |
| 113 | { /*@-castfcnptr@*/ |
| 114 | poptCallbackType cb = (poptCallbackType)opt->arg; |
| 115 | /*@=castfcnptr@*/ |
| 116 | /* Perform callback. */ |
| 117 | /*@-noeffectuncon @*/ |
| 118 | cb(con, POPT_CALLBACK_REASON_POST, NULL, NULL, opt->descrip); |
| 119 | /*@=noeffectuncon @*/ |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | static void invokeCallbacksOPTION(poptContext con, |
| 125 | const struct poptOption * opt, |
| 126 | const struct poptOption * myOpt, |
| 127 | /*@null@*/ const void * myData, int shorty) |
| 128 | /*@globals internalState@*/ |
| 129 | /*@modifies internalState@*/ |
| 130 | { |
| 131 | const struct poptOption * cbopt = NULL; |
| 132 | |
| 133 | if (opt != NULL) |
| 134 | for (; opt->longName || opt->shortName || opt->arg; opt++) { |
| 135 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) { |
| 136 | void * arg = opt->arg; |
| 137 | /*@-branchstate@*/ |
| 138 | /* XXX sick hack to preserve pretense of ABI. */ |
| 139 | if (arg == poptHelpOptions) arg = poptHelpOptionsI18N; |
| 140 | /*@=branchstate@*/ |
| 141 | /* Recurse on included sub-tables. */ |
| 142 | if (opt->arg != NULL) /* XXX program error */ |
| 143 | invokeCallbacksOPTION(con, opt->arg, myOpt, myData, shorty); |
| 144 | } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK && |
| 145 | !(opt->argInfo & POPT_CBFLAG_SKIPOPTION)) { |
| 146 | /* Save callback info. */ |
| 147 | cbopt = opt; |
| 148 | } else if (cbopt != NULL && |
| 149 | ((myOpt->shortName && opt->shortName && shorty && |
| 150 | myOpt->shortName == opt->shortName) || |
| 151 | (myOpt->longName && opt->longName && |
| 152 | /*@-nullpass@*/ /* LCL: opt->longName != NULL */ |
| 153 | !strcmp(myOpt->longName, opt->longName))) |
| 154 | /*@=nullpass@*/ |
| 155 | ) |
| 156 | { /*@-castfcnptr@*/ |
| 157 | poptCallbackType cb = (poptCallbackType)cbopt->arg; |
| 158 | /*@=castfcnptr@*/ |
| 159 | const void * cbData = (cbopt->descrip ? cbopt->descrip : myData); |
| 160 | /* Perform callback. */ |
| 161 | if (cb != NULL) { /* XXX program error */ |
| 162 | /*@-noeffectuncon @*/ |
| 163 | cb(con, POPT_CALLBACK_REASON_OPTION, myOpt, |
| 164 | con->os->nextArg, cbData); |
| 165 | /*@=noeffectuncon @*/ |
| 166 | } |
| 167 | /* Terminate (unless explcitly continuing). */ |
| 168 | if (!(cbopt->argInfo & POPT_CBFLAG_CONTINUE)) |
| 169 | return; |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | poptContext poptGetContext(const char * name, int argc, const char ** argv, |
| 175 | const struct poptOption * options, int flags) |
| 176 | { |
| 177 | poptContext con = malloc(sizeof(*con)); |
| 178 | |
| 179 | if (con == NULL) return NULL; /* XXX can't happen */ |
| 180 | memset(con, 0, sizeof(*con)); |
| 181 | |
| 182 | con->os = con->optionStack; |
| 183 | con->os->argc = argc; |
| 184 | /*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */ |
| 185 | con->os->argv = argv; |
| 186 | /*@=dependenttrans =assignexpose@*/ |
| 187 | con->os->argb = NULL; |
| 188 | |
| 189 | if (!(flags & POPT_CONTEXT_KEEP_FIRST)) |
| 190 | con->os->next = 1; /* skip argv[0] */ |
| 191 | |
| 192 | con->leftovers = calloc( (argc + 1), sizeof(*con->leftovers) ); |
| 193 | /*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */ |
| 194 | con->options = options; |
| 195 | /*@=dependenttrans =assignexpose@*/ |
| 196 | con->aliases = NULL; |
| 197 | con->numAliases = 0; |
| 198 | con->flags = flags; |
| 199 | con->execs = NULL; |
| 200 | con->numExecs = 0; |
| 201 | con->finalArgvAlloced = argc * 2; |
| 202 | con->finalArgv = calloc( con->finalArgvAlloced, sizeof(*con->finalArgv) ); |
| 203 | con->execAbsolute = 1; |
| 204 | con->arg_strip = NULL; |
| 205 | |
| 206 | if (getenv("POSIXLY_CORRECT") || getenv("POSIX_ME_HARDER")) |
| 207 | con->flags |= POPT_CONTEXT_POSIXMEHARDER; |
| 208 | |
| 209 | if (name) { |
| 210 | size_t bufsize = strlen(name) + 1; |
| 211 | char * t = malloc(bufsize); |
| 212 | if (t) { |
| 213 | strlcpy(t, name, bufsize); |
| 214 | con->appName = t; |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | /*@-internalglobs@*/ |
| 219 | invokeCallbacksPRE(con, con->options); |
| 220 | /*@=internalglobs@*/ |
| 221 | |
| 222 | return con; |
| 223 | } |
| 224 | |
| 225 | static void cleanOSE(/*@special@*/ struct optionStackEntry *os) |
| 226 | /*@uses os @*/ |
| 227 | /*@releases os->nextArg, os->argv, os->argb @*/ |
| 228 | /*@modifies os @*/ |
| 229 | { |
| 230 | os->nextArg = _free(os->nextArg); |
| 231 | os->argv = _free(os->argv); |
| 232 | os->argb = PBM_FREE(os->argb); |
| 233 | } |
| 234 | |
| 235 | /*@-boundswrite@*/ |
| 236 | void poptResetContext(poptContext con) |
| 237 | { |
| 238 | int i; |
| 239 | |
| 240 | if (con == NULL) return; |
| 241 | while (con->os > con->optionStack) { |
| 242 | cleanOSE(con->os--); |
| 243 | } |
| 244 | con->os->argb = PBM_FREE(con->os->argb); |
| 245 | con->os->currAlias = NULL; |
| 246 | con->os->nextCharArg = NULL; |
| 247 | con->os->nextArg = NULL; |
| 248 | con->os->next = 1; /* skip argv[0] */ |
| 249 | |
| 250 | con->numLeftovers = 0; |
| 251 | con->nextLeftover = 0; |
| 252 | con->restLeftover = 0; |
| 253 | con->doExec = NULL; |
| 254 | |
| 255 | if (con->finalArgv != NULL) |
| 256 | for (i = 0; i < con->finalArgvCount; i++) { |
| 257 | /*@-unqualifiedtrans@*/ /* FIX: typedef double indirection. */ |
| 258 | con->finalArgv[i] = _free(con->finalArgv[i]); |
| 259 | /*@=unqualifiedtrans@*/ |
| 260 | } |
| 261 | |
| 262 | con->finalArgvCount = 0; |
| 263 | con->arg_strip = PBM_FREE(con->arg_strip); |
| 264 | /*@-nullstate@*/ /* FIX: con->finalArgv != NULL */ |
| 265 | return; |
| 266 | /*@=nullstate@*/ |
| 267 | } |
| 268 | /*@=boundswrite@*/ |
| 269 | |
| 270 | /* Only one of longName, shortName should be set, not both. */ |
| 271 | /*@-boundswrite@*/ |
| 272 | static int handleExec(/*@special@*/ poptContext con, |
| 273 | /*@null@*/ const char * longName, char shortName) |
| 274 | /*@uses con->execs, con->numExecs, con->flags, con->doExec, |
| 275 | con->finalArgv, con->finalArgvAlloced, con->finalArgvCount @*/ |
| 276 | /*@modifies con @*/ |
| 277 | { |
| 278 | poptItem item; |
| 279 | int i; |
| 280 | |
| 281 | if (con->execs == NULL || con->numExecs <= 0) /* XXX can't happen */ |
| 282 | return 0; |
| 283 | |
| 284 | for (i = con->numExecs - 1; i >= 0; i--) { |
| 285 | item = con->execs + i; |
| 286 | if (longName && !(item->option.longName && |
| 287 | !strcmp(longName, item->option.longName))) |
| 288 | continue; |
| 289 | else if (shortName != item->option.shortName) |
| 290 | continue; |
| 291 | break; |
| 292 | } |
| 293 | if (i < 0) return 0; |
| 294 | |
| 295 | |
| 296 | if (con->flags & POPT_CONTEXT_NO_EXEC) |
| 297 | return 1; |
| 298 | |
| 299 | if (con->doExec == NULL) { |
| 300 | con->doExec = con->execs + i; |
| 301 | return 1; |
| 302 | } |
| 303 | |
| 304 | /* We already have an exec to do; remember this option for next |
| 305 | time 'round */ |
| 306 | if ((con->finalArgvCount + 1) >= (con->finalArgvAlloced)) { |
| 307 | con->finalArgvAlloced += 10; |
| 308 | con->finalArgv = realloc(con->finalArgv, |
| 309 | sizeof(*con->finalArgv) * con->finalArgvAlloced); |
| 310 | } |
| 311 | |
| 312 | i = con->finalArgvCount++; |
| 313 | if (con->finalArgv != NULL) /* XXX can't happen */ |
| 314 | { size_t bufsize = (longName ? strlen(longName) : 0) + 3; |
| 315 | char *s = malloc(bufsize); |
| 316 | if (s != NULL) { /* XXX can't happen */ |
| 317 | if (longName) |
| 318 | snprintf(s, bufsize, "--%s", longName); |
| 319 | else |
| 320 | snprintf(s, bufsize, "-%c", shortName); |
| 321 | con->finalArgv[i] = s; |
| 322 | } else |
| 323 | con->finalArgv[i] = NULL; |
| 324 | } |
| 325 | |
| 326 | /*@-nullstate@*/ /* FIX: con->finalArgv[] == NULL */ |
| 327 | return 1; |
| 328 | /*@=nullstate@*/ |
| 329 | } |
| 330 | /*@=boundswrite@*/ |
| 331 | |
| 332 | /* Only one of longName, shortName may be set at a time */ |
| 333 | static int handleAlias(/*@special@*/ poptContext con, |
| 334 | /*@null@*/ const char * longName, char shortName, |
| 335 | /*@exposed@*/ /*@null@*/ const char * nextCharArg) |
| 336 | /*@uses con->aliases, con->numAliases, con->optionStack, con->os, |
| 337 | con->os->currAlias, con->os->currAlias->option.longName @*/ |
| 338 | /*@modifies con @*/ |
| 339 | { |
| 340 | poptItem item = con->os->currAlias; |
| 341 | int rc; |
| 342 | int i; |
| 343 | |
| 344 | if (item) { |
| 345 | if (longName && (item->option.longName && |
| 346 | !strcmp(longName, item->option.longName))) |
| 347 | return 0; |
| 348 | if (shortName && shortName == item->option.shortName) |
| 349 | return 0; |
| 350 | } |
| 351 | |
| 352 | if (con->aliases == NULL || con->numAliases <= 0) /* XXX can't happen */ |
| 353 | return 0; |
| 354 | |
| 355 | for (i = con->numAliases - 1; i >= 0; i--) { |
| 356 | item = con->aliases + i; |
| 357 | if (longName && !(item->option.longName && |
| 358 | !strcmp(longName, item->option.longName))) |
| 359 | continue; |
| 360 | else if (shortName != item->option.shortName) |
| 361 | continue; |
| 362 | break; |
| 363 | } |
| 364 | if (i < 0) return 0; |
| 365 | |
| 366 | if ((con->os - con->optionStack + 1) == POPT_OPTION_DEPTH) |
| 367 | return POPT_ERROR_OPTSTOODEEP; |
| 368 | |
| 369 | /*@-boundsread@*/ |
| 370 | if (nextCharArg && *nextCharArg) |
| 371 | con->os->nextCharArg = nextCharArg; |
| 372 | /*@=boundsread@*/ |
| 373 | |
| 374 | con->os++; |
| 375 | con->os->next = 0; |
| 376 | con->os->stuffed = 0; |
| 377 | con->os->nextArg = NULL; |
| 378 | con->os->nextCharArg = NULL; |
| 379 | con->os->currAlias = con->aliases + i; |
| 380 | rc = poptDupArgv(con->os->currAlias->argc, con->os->currAlias->argv, |
| 381 | &con->os->argc, &con->os->argv); |
| 382 | con->os->argb = NULL; |
| 383 | |
| 384 | return (rc ? rc : 1); |
| 385 | } |
| 386 | |
| 387 | /*@-bounds -boundswrite @*/ |
| 388 | static int execCommand(poptContext con) |
| 389 | /*@globals internalState @*/ |
| 390 | /*@modifies internalState @*/ |
| 391 | { |
| 392 | poptItem item = con->doExec; |
| 393 | const char ** argv; |
| 394 | int argc = 0; |
| 395 | int rc; |
| 396 | |
| 397 | if (item == NULL) /*XXX can't happen*/ |
| 398 | return POPT_ERROR_NOARG; |
| 399 | |
| 400 | if (item->argv == NULL || item->argc < 1 || |
| 401 | (!con->execAbsolute && strchr(item->argv[0], '/'))) |
| 402 | return POPT_ERROR_NOARG; |
| 403 | |
| 404 | argv = malloc(sizeof(*argv) * |
| 405 | (6 + item->argc + con->numLeftovers + con->finalArgvCount)); |
| 406 | if (argv == NULL) return POPT_ERROR_MALLOC; |
| 407 | |
| 408 | if (!strchr(item->argv[0], '/') && con->execPath != NULL) { |
| 409 | size_t bufsize = strlen(con->execPath) + strlen(item->argv[0]) + sizeof "/"; |
| 410 | char *s = alloca(bufsize); |
| 411 | snprintf(s, bufsize, "%s/%s", con->execPath, item->argv[0]); |
| 412 | argv[argc] = s; |
| 413 | } else |
| 414 | argv[argc] = findProgramPath(item->argv[0]); |
| 415 | if (argv[argc++] == NULL) return POPT_ERROR_NOARG; |
| 416 | |
| 417 | if (item->argc > 1) { |
| 418 | memcpy(argv + argc, item->argv + 1, sizeof(*argv) * (item->argc - 1)); |
| 419 | argc += (item->argc - 1); |
| 420 | } |
| 421 | |
| 422 | if (con->finalArgv != NULL && con->finalArgvCount > 0) { |
| 423 | memcpy(argv + argc, con->finalArgv, |
| 424 | sizeof(*argv) * con->finalArgvCount); |
| 425 | argc += con->finalArgvCount; |
| 426 | } |
| 427 | |
| 428 | if (con->leftovers != NULL && con->numLeftovers > 0) { |
| 429 | memcpy(argv + argc, con->leftovers, sizeof(*argv) * con->numLeftovers); |
| 430 | argc += con->numLeftovers; |
| 431 | } |
| 432 | |
| 433 | argv[argc] = NULL; |
| 434 | |
| 435 | #ifdef __hpux |
| 436 | rc = setresgid(getgid(), getgid(),-1); |
| 437 | if (rc) return POPT_ERROR_ERRNO; |
| 438 | rc = setresuid(getuid(), getuid(),-1); |
| 439 | if (rc) return POPT_ERROR_ERRNO; |
| 440 | #else |
| 441 | /* |
| 442 | * XXX " ... on BSD systems setuid() should be preferred over setreuid()" |
| 443 | * XXX sez' Timur Bakeyev <mc@bat.ru> |
| 444 | * XXX from Norbert Warmuth <nwarmuth@privat.circular.de> |
| 445 | */ |
| 446 | #if defined(HAVE_SETUID) |
| 447 | rc = setgid(getgid()); |
| 448 | if (rc) return POPT_ERROR_ERRNO; |
| 449 | rc = setuid(getuid()); |
| 450 | if (rc) return POPT_ERROR_ERRNO; |
| 451 | #elif defined (HAVE_SETREUID) |
| 452 | rc = setregid(getgid(), getgid()); |
| 453 | if (rc) return POPT_ERROR_ERRNO; |
| 454 | rc = setreuid(getuid(), getuid()); |
| 455 | if (rc) return POPT_ERROR_ERRNO; |
| 456 | #else |
| 457 | ; /* Can't drop privileges */ |
| 458 | #endif |
| 459 | #endif |
| 460 | |
| 461 | if (argv[0] == NULL) |
| 462 | return POPT_ERROR_NOARG; |
| 463 | |
| 464 | #ifdef MYDEBUG |
| 465 | if (_popt_debug) |
| 466 | { const char ** avp; |
| 467 | fprintf(stderr, "==> execvp(%s) argv[%d]:", argv[0], argc); |
| 468 | for (avp = argv; *avp; avp++) |
| 469 | fprintf(stderr, " '%s'", *avp); |
| 470 | fprintf(stderr, "\n"); |
| 471 | } |
| 472 | #endif |
| 473 | |
| 474 | rc = execvp(argv[0], (char *const *)argv); |
| 475 | |
| 476 | return POPT_ERROR_ERRNO; |
| 477 | } |
| 478 | /*@=bounds =boundswrite @*/ |
| 479 | |
| 480 | /*@-boundswrite@*/ |
| 481 | /*@observer@*/ /*@null@*/ static const struct poptOption * |
| 482 | findOption(const struct poptOption * opt, /*@null@*/ const char * longName, |
| 483 | char shortName, |
| 484 | /*@null@*/ /*@out@*/ poptCallbackType * callback, |
| 485 | /*@null@*/ /*@out@*/ const void ** callbackData, |
| 486 | int singleDash) |
| 487 | /*@modifies *callback, *callbackData */ |
| 488 | { |
| 489 | const struct poptOption * cb = NULL; |
| 490 | |
| 491 | /* This happens when a single - is given */ |
| 492 | if (singleDash && !shortName && (longName && *longName == '\0')) |
| 493 | shortName = '-'; |
| 494 | |
| 495 | for (; opt->longName || opt->shortName || opt->arg; opt++) { |
| 496 | |
| 497 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) { |
| 498 | const struct poptOption * opt2; |
| 499 | void * arg = opt->arg; |
| 500 | |
| 501 | /*@-branchstate@*/ |
| 502 | /* XXX sick hack to preserve pretense of ABI. */ |
| 503 | if (arg == poptHelpOptions) arg = poptHelpOptionsI18N; |
| 504 | /*@=branchstate@*/ |
| 505 | /* Recurse on included sub-tables. */ |
| 506 | if (arg == NULL) continue; /* XXX program error */ |
| 507 | opt2 = findOption(arg, longName, shortName, callback, |
| 508 | callbackData, singleDash); |
| 509 | if (opt2 == NULL) continue; |
| 510 | /* Sub-table data will be inheirited if no data yet. */ |
| 511 | if (!(callback && *callback)) return opt2; |
| 512 | if (!(callbackData && *callbackData == NULL)) return opt2; |
| 513 | /*@-observertrans -dependenttrans @*/ |
| 514 | *callbackData = opt->descrip; |
| 515 | /*@=observertrans =dependenttrans @*/ |
| 516 | return opt2; |
| 517 | } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK) { |
| 518 | cb = opt; |
| 519 | } else if (longName && opt->longName && |
| 520 | (!singleDash || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) && |
| 521 | /*@-nullpass@*/ /* LCL: opt->longName != NULL */ |
| 522 | !strcmp(longName, opt->longName)) |
| 523 | /*@=nullpass@*/ |
| 524 | { |
| 525 | break; |
| 526 | } else if (shortName && shortName == opt->shortName) { |
| 527 | break; |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | if (!opt->longName && !opt->shortName) |
| 532 | return NULL; |
| 533 | /*@-modobserver -mods @*/ |
| 534 | if (callback) *callback = NULL; |
| 535 | if (callbackData) *callbackData = NULL; |
| 536 | if (cb) { |
| 537 | if (callback) |
| 538 | /*@-castfcnptr@*/ |
| 539 | *callback = (poptCallbackType)cb->arg; |
| 540 | /*@=castfcnptr@*/ |
| 541 | if (!(cb->argInfo & POPT_CBFLAG_INC_DATA)) { |
| 542 | if (callbackData) |
| 543 | /*@-observertrans@*/ /* FIX: typedef double indirection. */ |
| 544 | *callbackData = cb->descrip; |
| 545 | /*@=observertrans@*/ |
| 546 | } |
| 547 | } |
| 548 | /*@=modobserver =mods @*/ |
| 549 | |
| 550 | return opt; |
| 551 | } |
| 552 | /*@=boundswrite@*/ |
| 553 | |
| 554 | static const char * findNextArg(/*@special@*/ poptContext con, |
| 555 | unsigned argx, int delete_arg) |
| 556 | /*@uses con->optionStack, con->os, |
| 557 | con->os->next, con->os->argb, con->os->argc, con->os->argv @*/ |
| 558 | /*@modifies con @*/ |
| 559 | { |
| 560 | struct optionStackEntry * os = con->os; |
| 561 | const char * arg; |
| 562 | |
| 563 | do { |
| 564 | int i; |
| 565 | arg = NULL; |
| 566 | while (os->next == os->argc && os > con->optionStack) os--; |
| 567 | if (os->next == os->argc && os == con->optionStack) break; |
| 568 | if (os->argv != NULL) |
| 569 | for (i = os->next; i < os->argc; i++) { |
| 570 | /*@-sizeoftype@*/ |
| 571 | if (os->argb && PBM_ISSET(i, os->argb)) |
| 572 | /*@innercontinue@*/ continue; |
| 573 | if (*os->argv[i] == '-') |
| 574 | /*@innercontinue@*/ continue; |
| 575 | if (--argx > 0) |
| 576 | /*@innercontinue@*/ continue; |
| 577 | arg = os->argv[i]; |
| 578 | if (delete_arg) { |
| 579 | if (os->argb == NULL) os->argb = PBM_ALLOC(os->argc); |
| 580 | if (os->argb != NULL) /* XXX can't happen */ |
| 581 | PBM_SET(i, os->argb); |
| 582 | } |
| 583 | /*@innerbreak@*/ break; |
| 584 | /*@=sizeoftype@*/ |
| 585 | } |
| 586 | if (os > con->optionStack) os--; |
| 587 | } while (arg == NULL); |
| 588 | return arg; |
| 589 | } |
| 590 | |
| 591 | /*@-boundswrite@*/ |
| 592 | static /*@only@*/ /*@null@*/ const char * |
| 593 | expandNextArg(/*@special@*/ poptContext con, const char * s) |
| 594 | /*@uses con->optionStack, con->os, |
| 595 | con->os->next, con->os->argb, con->os->argc, con->os->argv @*/ |
| 596 | /*@modifies con @*/ |
| 597 | { |
| 598 | const char * a = NULL; |
| 599 | size_t alen, pos; |
| 600 | char *t, *te; |
| 601 | size_t tn = strlen(s) + 1; |
| 602 | char c; |
| 603 | |
| 604 | te = t = malloc(tn);; |
| 605 | if (t == NULL) return NULL; /* XXX can't happen */ |
| 606 | while ((c = *s++) != '\0') { |
| 607 | switch (c) { |
| 608 | #if 0 /* XXX can't do this */ |
| 609 | case '\\': /* escape */ |
| 610 | c = *s++; |
| 611 | /*@switchbreak@*/ break; |
| 612 | #endif |
| 613 | case '!': |
| 614 | if (!(s[0] == '#' && s[1] == ':' && s[2] == '+')) |
| 615 | /*@switchbreak@*/ break; |
| 616 | /* XXX Make sure that findNextArg deletes only next arg. */ |
| 617 | if (a == NULL) { |
| 618 | if ((a = findNextArg(con, 1, 1)) == NULL) |
| 619 | /*@switchbreak@*/ break; |
| 620 | } |
| 621 | s += 3; |
| 622 | |
| 623 | alen = strlen(a); |
| 624 | tn += alen; |
| 625 | pos = te - t; |
| 626 | t = realloc(t, tn); |
| 627 | te = t + pos; |
| 628 | strncpy(te, a, alen); te += alen; |
| 629 | continue; |
| 630 | /*@notreached@*/ /*@switchbreak@*/ break; |
| 631 | default: |
| 632 | /*@switchbreak@*/ break; |
| 633 | } |
| 634 | *te++ = c; |
| 635 | } |
| 636 | *te = '\0'; |
| 637 | t = realloc(t, strlen(t) + 1); /* XXX memory leak, hard to plug */ |
| 638 | return t; |
| 639 | } |
| 640 | /*@=boundswrite@*/ |
| 641 | |
| 642 | static void poptStripArg(/*@special@*/ poptContext con, int which) |
| 643 | /*@uses con->arg_strip, con->optionStack @*/ |
| 644 | /*@defines con->arg_strip @*/ |
| 645 | /*@modifies con @*/ |
| 646 | { |
| 647 | /*@-sizeoftype@*/ |
| 648 | if (con->arg_strip == NULL) |
| 649 | con->arg_strip = PBM_ALLOC(con->optionStack[0].argc); |
| 650 | if (con->arg_strip != NULL) /* XXX can't happen */ |
| 651 | PBM_SET(which, con->arg_strip); |
| 652 | /*@=sizeoftype@*/ |
| 653 | /*@-compdef@*/ /* LCL: con->arg_strip udefined? */ |
| 654 | return; |
| 655 | /*@=compdef@*/ |
| 656 | } |
| 657 | |
| 658 | int poptSaveLong(long * arg, int argInfo, long aLong) |
| 659 | { |
| 660 | /* XXX Check alignment, may fail on funky platforms. */ |
| 661 | if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1))) |
| 662 | return POPT_ERROR_NULLARG; |
| 663 | |
| 664 | if (argInfo & POPT_ARGFLAG_NOT) |
| 665 | aLong = ~aLong; |
| 666 | switch (argInfo & POPT_ARGFLAG_LOGICALOPS) { |
| 667 | case 0: |
| 668 | *arg = aLong; |
| 669 | break; |
| 670 | case POPT_ARGFLAG_OR: |
| 671 | *arg |= aLong; |
| 672 | break; |
| 673 | case POPT_ARGFLAG_AND: |
| 674 | *arg &= aLong; |
| 675 | break; |
| 676 | case POPT_ARGFLAG_XOR: |
| 677 | *arg ^= aLong; |
| 678 | break; |
| 679 | default: |
| 680 | return POPT_ERROR_BADOPERATION; |
| 681 | /*@notreached@*/ break; |
| 682 | } |
| 683 | return 0; |
| 684 | } |
| 685 | |
| 686 | int poptSaveInt(/*@null@*/ int * arg, int argInfo, long aLong) |
| 687 | { |
| 688 | /* XXX Check alignment, may fail on funky platforms. */ |
| 689 | if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1))) |
| 690 | return POPT_ERROR_NULLARG; |
| 691 | |
| 692 | if (argInfo & POPT_ARGFLAG_NOT) |
| 693 | aLong = ~aLong; |
| 694 | switch (argInfo & POPT_ARGFLAG_LOGICALOPS) { |
| 695 | case 0: |
| 696 | *arg = aLong; |
| 697 | break; |
| 698 | case POPT_ARGFLAG_OR: |
| 699 | *arg |= aLong; |
| 700 | break; |
| 701 | case POPT_ARGFLAG_AND: |
| 702 | *arg &= aLong; |
| 703 | break; |
| 704 | case POPT_ARGFLAG_XOR: |
| 705 | *arg ^= aLong; |
| 706 | break; |
| 707 | default: |
| 708 | return POPT_ERROR_BADOPERATION; |
| 709 | /*@notreached@*/ break; |
| 710 | } |
| 711 | return 0; |
| 712 | } |
| 713 | |
| 714 | /*@-boundswrite@*/ |
| 715 | /* returns 'val' element, -1 on last item, POPT_ERROR_* on error */ |
| 716 | int poptGetNextOpt(poptContext con) |
| 717 | { |
| 718 | const struct poptOption * opt = NULL; |
| 719 | int done = 0; |
| 720 | |
| 721 | if (con == NULL) |
| 722 | return -1; |
| 723 | while (!done) { |
| 724 | const char * origOptString = NULL; |
| 725 | poptCallbackType cb = NULL; |
| 726 | const void * cbData = NULL; |
| 727 | const char * longArg = NULL; |
| 728 | int canstrip = 0; |
| 729 | int shorty = 0; |
| 730 | |
| 731 | while (!con->os->nextCharArg && con->os->next == con->os->argc |
| 732 | && con->os > con->optionStack) { |
| 733 | cleanOSE(con->os--); |
| 734 | } |
| 735 | if (!con->os->nextCharArg && con->os->next == con->os->argc) { |
| 736 | /*@-internalglobs@*/ |
| 737 | invokeCallbacksPOST(con, con->options); |
| 738 | /*@=internalglobs@*/ |
| 739 | if (con->doExec) return execCommand(con); |
| 740 | return -1; |
| 741 | } |
| 742 | |
| 743 | /* Process next long option */ |
| 744 | if (!con->os->nextCharArg) { |
| 745 | char * localOptString, * optString; |
| 746 | int thisopt; |
| 747 | |
| 748 | /*@-sizeoftype@*/ |
| 749 | if (con->os->argb && PBM_ISSET(con->os->next, con->os->argb)) { |
| 750 | con->os->next++; |
| 751 | continue; |
| 752 | } |
| 753 | /*@=sizeoftype@*/ |
| 754 | thisopt = con->os->next; |
| 755 | if (con->os->argv != NULL) /* XXX can't happen */ |
| 756 | origOptString = con->os->argv[con->os->next++]; |
| 757 | |
| 758 | if (origOptString == NULL) /* XXX can't happen */ |
| 759 | return POPT_ERROR_BADOPT; |
| 760 | |
| 761 | if (con->restLeftover || *origOptString != '-') { |
| 762 | if (con->flags & POPT_CONTEXT_POSIXMEHARDER) |
| 763 | con->restLeftover = 1; |
| 764 | if (con->flags & POPT_CONTEXT_ARG_OPTS) { |
| 765 | con->os->nextArg = xstrdup(origOptString); |
| 766 | return 0; |
| 767 | } |
| 768 | if (con->leftovers != NULL) /* XXX can't happen */ |
| 769 | con->leftovers[con->numLeftovers++] = origOptString; |
| 770 | continue; |
| 771 | } |
| 772 | |
| 773 | /* Make a copy we can hack at */ |
| 774 | { size_t bufsize = strlen(origOptString) + 1; |
| 775 | localOptString = optString = alloca(bufsize); |
| 776 | if (optString == NULL) /* XXX can't happen */ |
| 777 | return POPT_ERROR_BADOPT; |
| 778 | strlcpy(optString, origOptString, bufsize); |
| 779 | } |
| 780 | |
| 781 | if (optString[0] == '\0') |
| 782 | return POPT_ERROR_BADOPT; |
| 783 | |
| 784 | if (optString[1] == '-' && !optString[2]) { |
| 785 | con->restLeftover = 1; |
| 786 | continue; |
| 787 | } else { |
| 788 | char *oe; |
| 789 | int singleDash; |
| 790 | |
| 791 | optString++; |
| 792 | if (*optString == '-') |
| 793 | singleDash = 0, optString++; |
| 794 | else |
| 795 | singleDash = 1; |
| 796 | |
| 797 | /* XXX aliases with arg substitution need "--alias=arg" */ |
| 798 | if (handleAlias(con, optString, '\0', NULL)) |
| 799 | continue; |
| 800 | |
| 801 | if (handleExec(con, optString, '\0')) |
| 802 | continue; |
| 803 | |
| 804 | /* Check for "--long=arg" option. */ |
| 805 | for (oe = optString; *oe && *oe != '='; oe++) |
| 806 | {}; |
| 807 | if (*oe == '=') { |
| 808 | *oe++ = '\0'; |
| 809 | /* XXX longArg is mapped back to persistent storage. */ |
| 810 | longArg = origOptString + (oe - localOptString); |
| 811 | } |
| 812 | |
| 813 | opt = findOption(con->options, optString, '\0', &cb, &cbData, |
| 814 | singleDash); |
| 815 | if (!opt && !singleDash) |
| 816 | return POPT_ERROR_BADOPT; |
| 817 | } |
| 818 | |
| 819 | if (!opt) { |
| 820 | con->os->nextCharArg = origOptString + 1; |
| 821 | } else { |
| 822 | if (con->os == con->optionStack && |
| 823 | opt->argInfo & POPT_ARGFLAG_STRIP) |
| 824 | { |
| 825 | canstrip = 1; |
| 826 | poptStripArg(con, thisopt); |
| 827 | } |
| 828 | shorty = 0; |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | /* Process next short option */ |
| 833 | /*@-branchstate@*/ /* FIX: W2DO? */ |
| 834 | if (con->os->nextCharArg) { |
| 835 | origOptString = con->os->nextCharArg; |
| 836 | |
| 837 | con->os->nextCharArg = NULL; |
| 838 | |
| 839 | if (handleAlias(con, NULL, *origOptString, origOptString + 1)) |
| 840 | continue; |
| 841 | |
| 842 | if (handleExec(con, NULL, *origOptString)) { |
| 843 | /* Restore rest of short options for further processing */ |
| 844 | origOptString++; |
| 845 | if (*origOptString != '\0') |
| 846 | con->os->nextCharArg = origOptString; |
| 847 | continue; |
| 848 | } |
| 849 | |
| 850 | opt = findOption(con->options, NULL, *origOptString, &cb, |
| 851 | &cbData, 0); |
| 852 | if (!opt) |
| 853 | return POPT_ERROR_BADOPT; |
| 854 | shorty = 1; |
| 855 | |
| 856 | origOptString++; |
| 857 | if (*origOptString != '\0') |
| 858 | con->os->nextCharArg = origOptString; |
| 859 | } |
| 860 | /*@=branchstate@*/ |
| 861 | |
| 862 | if (opt == NULL) return POPT_ERROR_BADOPT; /* XXX can't happen */ |
| 863 | if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE) { |
| 864 | if (poptSaveInt((int *)opt->arg, opt->argInfo, 1L)) |
| 865 | return POPT_ERROR_BADOPERATION; |
| 866 | } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL) { |
| 867 | if (opt->arg) { |
| 868 | if (poptSaveInt((int *)opt->arg, opt->argInfo, (long)opt->val)) |
| 869 | return POPT_ERROR_BADOPERATION; |
| 870 | } |
| 871 | } else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) { |
| 872 | con->os->nextArg = _free(con->os->nextArg); |
| 873 | /*@-usedef@*/ /* FIX: W2DO? */ |
| 874 | if (longArg) { |
| 875 | /*@=usedef@*/ |
| 876 | longArg = expandNextArg(con, longArg); |
| 877 | con->os->nextArg = longArg; |
| 878 | } else if (con->os->nextCharArg) { |
| 879 | longArg = expandNextArg(con, con->os->nextCharArg); |
| 880 | con->os->nextArg = longArg; |
| 881 | con->os->nextCharArg = NULL; |
| 882 | } else { |
| 883 | while (con->os->next == con->os->argc && |
| 884 | con->os > con->optionStack) { |
| 885 | cleanOSE(con->os--); |
| 886 | } |
| 887 | if (con->os->next == con->os->argc) { |
| 888 | if (!(opt->argInfo & POPT_ARGFLAG_OPTIONAL)) |
| 889 | /*@-compdef@*/ /* FIX: con->os->argv not defined */ |
| 890 | return POPT_ERROR_NOARG; |
| 891 | /*@=compdef@*/ |
| 892 | con->os->nextArg = NULL; |
| 893 | } else { |
| 894 | |
| 895 | /* |
| 896 | * Make sure this isn't part of a short arg or the |
| 897 | * result of an alias expansion. |
| 898 | */ |
| 899 | if (con->os == con->optionStack && |
| 900 | (opt->argInfo & POPT_ARGFLAG_STRIP) && |
| 901 | canstrip) { |
| 902 | poptStripArg(con, con->os->next); |
| 903 | } |
| 904 | |
| 905 | if (con->os->argv != NULL) { /* XXX can't happen */ |
| 906 | /* XXX watchout: subtle side-effects live here. */ |
| 907 | longArg = con->os->argv[con->os->next++]; |
| 908 | longArg = expandNextArg(con, longArg); |
| 909 | con->os->nextArg = longArg; |
| 910 | } |
| 911 | } |
| 912 | } |
| 913 | longArg = NULL; |
| 914 | |
| 915 | if (opt->arg) { |
| 916 | switch (opt->argInfo & POPT_ARG_MASK) { |
| 917 | case POPT_ARG_STRING: |
| 918 | /* XXX memory leak, hard to plug */ |
| 919 | *((const char **) opt->arg) = (con->os->nextArg) |
| 920 | ? xstrdup(con->os->nextArg) : NULL; |
| 921 | /*@switchbreak@*/ break; |
| 922 | |
| 923 | case POPT_ARG_INT: |
| 924 | case POPT_ARG_LONG: |
| 925 | { long aLong = 0; |
| 926 | char *end; |
| 927 | |
| 928 | if (con->os->nextArg) { |
| 929 | aLong = strtol(con->os->nextArg, &end, 0); |
| 930 | if (!(end && *end == '\0')) |
| 931 | return POPT_ERROR_BADNUMBER; |
| 932 | } |
| 933 | |
| 934 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_LONG) { |
| 935 | if (aLong == LONG_MIN || aLong == LONG_MAX) |
| 936 | return POPT_ERROR_OVERFLOW; |
| 937 | if (poptSaveLong((long *)opt->arg, opt->argInfo, aLong)) |
| 938 | return POPT_ERROR_BADOPERATION; |
| 939 | } else { |
| 940 | if (aLong > INT_MAX || aLong < INT_MIN) |
| 941 | return POPT_ERROR_OVERFLOW; |
| 942 | if (poptSaveInt((int *)opt->arg, opt->argInfo, aLong)) |
| 943 | return POPT_ERROR_BADOPERATION; |
| 944 | } |
| 945 | } /*@switchbreak@*/ break; |
| 946 | |
| 947 | case POPT_ARG_FLOAT: |
| 948 | case POPT_ARG_DOUBLE: |
| 949 | { double aDouble = 0.0; |
| 950 | char *end; |
| 951 | |
| 952 | if (con->os->nextArg) { |
| 953 | /*@-mods@*/ |
| 954 | int saveerrno = errno; |
| 955 | errno = 0; |
| 956 | aDouble = strtod(con->os->nextArg, &end); |
| 957 | if (errno == ERANGE) |
| 958 | return POPT_ERROR_OVERFLOW; |
| 959 | errno = saveerrno; |
| 960 | /*@=mods@*/ |
| 961 | if (*end != '\0') |
| 962 | return POPT_ERROR_BADNUMBER; |
| 963 | } |
| 964 | |
| 965 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_DOUBLE) { |
| 966 | *((double *) opt->arg) = aDouble; |
| 967 | } else { |
| 968 | #define MY_ABS(a) ((((a) - 0.0) < DBL_EPSILON) ? -(a) : (a)) |
| 969 | if ((MY_ABS(aDouble) - FLT_MAX) > DBL_EPSILON) |
| 970 | return POPT_ERROR_OVERFLOW; |
| 971 | if ((FLT_MIN - MY_ABS(aDouble)) > DBL_EPSILON) |
| 972 | return POPT_ERROR_OVERFLOW; |
| 973 | *((float *) opt->arg) = aDouble; |
| 974 | } |
| 975 | } /*@switchbreak@*/ break; |
| 976 | default: |
| 977 | fprintf(stdout, |
| 978 | POPT_("option type (%d) not implemented in popt\n"), |
| 979 | (opt->argInfo & POPT_ARG_MASK)); |
| 980 | exit(EXIT_FAILURE); |
| 981 | /*@notreached@*/ /*@switchbreak@*/ break; |
| 982 | } |
| 983 | } |
| 984 | } |
| 985 | |
| 986 | if (cb) { |
| 987 | /*@-internalglobs@*/ |
| 988 | invokeCallbacksOPTION(con, con->options, opt, cbData, shorty); |
| 989 | /*@=internalglobs@*/ |
| 990 | } else if (opt->val && ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_VAL)) |
| 991 | done = 1; |
| 992 | |
| 993 | if ((con->finalArgvCount + 2) >= (con->finalArgvAlloced)) { |
| 994 | con->finalArgvAlloced += 10; |
| 995 | con->finalArgv = realloc(con->finalArgv, |
| 996 | sizeof(*con->finalArgv) * con->finalArgvAlloced); |
| 997 | } |
| 998 | |
| 999 | if (con->finalArgv != NULL) |
| 1000 | { ssize_t bufsize = (opt->longName ? strlen(opt->longName) : 0) + 3; |
| 1001 | char *s = malloc(bufsize); |
| 1002 | if (s != NULL) { /* XXX can't happen */ |
| 1003 | if (opt->longName) |
| 1004 | snprintf(s, bufsize, "%s%s", |
| 1005 | ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"), |
| 1006 | opt->longName); |
| 1007 | else |
| 1008 | snprintf(s, bufsize, "-%c", opt->shortName); |
| 1009 | con->finalArgv[con->finalArgvCount++] = s; |
| 1010 | } else |
| 1011 | con->finalArgv[con->finalArgvCount++] = NULL; |
| 1012 | } |
| 1013 | |
| 1014 | if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE) |
| 1015 | /*@-ifempty@*/ ; /*@=ifempty@*/ |
| 1016 | else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL) |
| 1017 | /*@-ifempty@*/ ; /*@=ifempty@*/ |
| 1018 | else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) { |
| 1019 | if (con->finalArgv != NULL && con->os->nextArg) |
| 1020 | con->finalArgv[con->finalArgvCount++] = |
| 1021 | /*@-nullpass@*/ /* LCL: con->os->nextArg != NULL */ |
| 1022 | xstrdup(con->os->nextArg); |
| 1023 | /*@=nullpass@*/ |
| 1024 | } |
| 1025 | } |
| 1026 | |
| 1027 | return (opt ? opt->val : -1); /* XXX can't happen */ |
| 1028 | } |
| 1029 | /*@=boundswrite@*/ |
| 1030 | |
| 1031 | const char * poptGetOptArg(poptContext con) |
| 1032 | { |
| 1033 | const char * ret = NULL; |
| 1034 | /*@-branchstate@*/ |
| 1035 | if (con) { |
| 1036 | ret = con->os->nextArg; |
| 1037 | con->os->nextArg = NULL; |
| 1038 | } |
| 1039 | /*@=branchstate@*/ |
| 1040 | return ret; |
| 1041 | } |
| 1042 | |
| 1043 | const char * poptGetArg(poptContext con) |
| 1044 | { |
| 1045 | const char * ret = NULL; |
| 1046 | if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers) |
| 1047 | ret = con->leftovers[con->nextLeftover++]; |
| 1048 | return ret; |
| 1049 | } |
| 1050 | |
| 1051 | const char * poptPeekArg(poptContext con) |
| 1052 | { |
| 1053 | const char * ret = NULL; |
| 1054 | if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers) |
| 1055 | ret = con->leftovers[con->nextLeftover]; |
| 1056 | return ret; |
| 1057 | } |
| 1058 | |
| 1059 | /*@-boundswrite@*/ |
| 1060 | const char ** poptGetArgs(poptContext con) |
| 1061 | { |
| 1062 | if (con == NULL || |
| 1063 | con->leftovers == NULL || con->numLeftovers == con->nextLeftover) |
| 1064 | return NULL; |
| 1065 | |
| 1066 | /* some apps like [like RPM ;-) ] need this NULL terminated */ |
| 1067 | con->leftovers[con->numLeftovers] = NULL; |
| 1068 | |
| 1069 | /*@-nullret -nullstate @*/ /* FIX: typedef double indirection. */ |
| 1070 | return (con->leftovers + con->nextLeftover); |
| 1071 | /*@=nullret =nullstate @*/ |
| 1072 | } |
| 1073 | /*@=boundswrite@*/ |
| 1074 | |
| 1075 | poptContext poptFreeContext(poptContext con) |
| 1076 | { |
| 1077 | poptItem item; |
| 1078 | int i; |
| 1079 | |
| 1080 | if (con == NULL) return con; |
| 1081 | poptResetContext(con); |
| 1082 | con->os->argb = _free(con->os->argb); |
| 1083 | |
| 1084 | if (con->aliases != NULL) |
| 1085 | for (i = 0; i < con->numAliases; i++) { |
| 1086 | item = con->aliases + i; |
| 1087 | /*@-modobserver -observertrans -dependenttrans@*/ |
| 1088 | item->option.longName = _free(item->option.longName); |
| 1089 | item->option.descrip = _free(item->option.descrip); |
| 1090 | item->option.argDescrip = _free(item->option.argDescrip); |
| 1091 | /*@=modobserver =observertrans =dependenttrans@*/ |
| 1092 | item->argv = _free(item->argv); |
| 1093 | } |
| 1094 | con->aliases = _free(con->aliases); |
| 1095 | |
| 1096 | if (con->execs != NULL) |
| 1097 | for (i = 0; i < con->numExecs; i++) { |
| 1098 | item = con->execs + i; |
| 1099 | /*@-modobserver -observertrans -dependenttrans@*/ |
| 1100 | item->option.longName = _free(item->option.longName); |
| 1101 | item->option.descrip = _free(item->option.descrip); |
| 1102 | item->option.argDescrip = _free(item->option.argDescrip); |
| 1103 | /*@=modobserver =observertrans =dependenttrans@*/ |
| 1104 | item->argv = _free(item->argv); |
| 1105 | } |
| 1106 | con->execs = _free(con->execs); |
| 1107 | |
| 1108 | con->leftovers = _free(con->leftovers); |
| 1109 | con->finalArgv = _free(con->finalArgv); |
| 1110 | con->appName = _free(con->appName); |
| 1111 | con->otherHelp = _free(con->otherHelp); |
| 1112 | con->execPath = _free(con->execPath); |
| 1113 | con->arg_strip = PBM_FREE(con->arg_strip); |
| 1114 | |
| 1115 | con = _free(con); |
| 1116 | return con; |
| 1117 | } |
| 1118 | |
| 1119 | int poptAddAlias(poptContext con, struct poptAlias alias, |
| 1120 | /*@unused@*/ UNUSED(int flags)) |
| 1121 | { |
| 1122 | poptItem item = (poptItem) alloca(sizeof(*item)); |
| 1123 | memset(item, 0, sizeof(*item)); |
| 1124 | item->option.longName = alias.longName; |
| 1125 | item->option.shortName = alias.shortName; |
| 1126 | item->option.argInfo = POPT_ARGFLAG_DOC_HIDDEN; |
| 1127 | item->option.arg = 0; |
| 1128 | item->option.val = 0; |
| 1129 | item->option.descrip = NULL; |
| 1130 | item->option.argDescrip = NULL; |
| 1131 | item->argc = alias.argc; |
| 1132 | item->argv = alias.argv; |
| 1133 | return poptAddItem(con, item, 0); |
| 1134 | } |
| 1135 | |
| 1136 | /*@-boundswrite@*/ |
| 1137 | /*@-mustmod@*/ /* LCL: con not modified? */ |
| 1138 | int poptAddItem(poptContext con, poptItem newItem, int flags) |
| 1139 | { |
| 1140 | poptItem * items, item; |
| 1141 | int * nitems; |
| 1142 | |
| 1143 | switch (flags) { |
| 1144 | case 1: |
| 1145 | items = &con->execs; |
| 1146 | nitems = &con->numExecs; |
| 1147 | break; |
| 1148 | case 0: |
| 1149 | items = &con->aliases; |
| 1150 | nitems = &con->numAliases; |
| 1151 | break; |
| 1152 | default: |
| 1153 | return 1; |
| 1154 | /*@notreached@*/ break; |
| 1155 | } |
| 1156 | |
| 1157 | *items = realloc((*items), ((*nitems) + 1) * sizeof(**items)); |
| 1158 | if ((*items) == NULL) |
| 1159 | return 1; |
| 1160 | |
| 1161 | item = (*items) + (*nitems); |
| 1162 | |
| 1163 | item->option.longName = |
| 1164 | (newItem->option.longName ? xstrdup(newItem->option.longName) : NULL); |
| 1165 | item->option.shortName = newItem->option.shortName; |
| 1166 | item->option.argInfo = newItem->option.argInfo; |
| 1167 | item->option.arg = newItem->option.arg; |
| 1168 | item->option.val = newItem->option.val; |
| 1169 | item->option.descrip = |
| 1170 | (newItem->option.descrip ? xstrdup(newItem->option.descrip) : NULL); |
| 1171 | item->option.argDescrip = |
| 1172 | (newItem->option.argDescrip ? xstrdup(newItem->option.argDescrip) : NULL); |
| 1173 | item->argc = newItem->argc; |
| 1174 | item->argv = newItem->argv; |
| 1175 | |
| 1176 | (*nitems)++; |
| 1177 | |
| 1178 | return 0; |
| 1179 | } |
| 1180 | /*@=mustmod@*/ |
| 1181 | /*@=boundswrite@*/ |
| 1182 | |
| 1183 | const char * poptBadOption(poptContext con, int flags) |
| 1184 | { |
| 1185 | struct optionStackEntry * os = NULL; |
| 1186 | |
| 1187 | if (con != NULL) |
| 1188 | os = (flags & POPT_BADOPTION_NOALIAS) ? con->optionStack : con->os; |
| 1189 | |
| 1190 | /*@-nullderef@*/ /* LCL: os->argv != NULL */ |
| 1191 | return (os && os->argv ? os->argv[os->next - 1] : NULL); |
| 1192 | /*@=nullderef@*/ |
| 1193 | } |
| 1194 | |
| 1195 | const char * poptStrerror(const int error) |
| 1196 | { |
| 1197 | switch (error) { |
| 1198 | case POPT_ERROR_NOARG: |
| 1199 | return POPT_("missing argument"); |
| 1200 | case POPT_ERROR_BADOPT: |
| 1201 | return POPT_("unknown option"); |
| 1202 | case POPT_ERROR_BADOPERATION: |
| 1203 | return POPT_("mutually exclusive logical operations requested"); |
| 1204 | case POPT_ERROR_NULLARG: |
| 1205 | return POPT_("opt->arg should not be NULL"); |
| 1206 | case POPT_ERROR_OPTSTOODEEP: |
| 1207 | return POPT_("aliases nested too deeply"); |
| 1208 | case POPT_ERROR_BADQUOTE: |
| 1209 | return POPT_("error in parameter quoting"); |
| 1210 | case POPT_ERROR_BADNUMBER: |
| 1211 | return POPT_("invalid numeric value"); |
| 1212 | case POPT_ERROR_OVERFLOW: |
| 1213 | return POPT_("number too large or too small"); |
| 1214 | case POPT_ERROR_MALLOC: |
| 1215 | return POPT_("memory allocation failed"); |
| 1216 | case POPT_ERROR_ERRNO: |
| 1217 | return strerror(errno); |
| 1218 | default: |
| 1219 | return POPT_("unknown error"); |
| 1220 | } |
| 1221 | } |
| 1222 | |
| 1223 | int poptStuffArgs(poptContext con, const char ** argv) |
| 1224 | { |
| 1225 | int argc; |
| 1226 | int rc; |
| 1227 | |
| 1228 | if ((con->os - con->optionStack) == POPT_OPTION_DEPTH) |
| 1229 | return POPT_ERROR_OPTSTOODEEP; |
| 1230 | |
| 1231 | for (argc = 0; argv[argc]; argc++) |
| 1232 | {}; |
| 1233 | |
| 1234 | con->os++; |
| 1235 | con->os->next = 0; |
| 1236 | con->os->nextArg = NULL; |
| 1237 | con->os->nextCharArg = NULL; |
| 1238 | con->os->currAlias = NULL; |
| 1239 | rc = poptDupArgv(argc, argv, &con->os->argc, &con->os->argv); |
| 1240 | con->os->argb = NULL; |
| 1241 | con->os->stuffed = 1; |
| 1242 | |
| 1243 | return rc; |
| 1244 | } |
| 1245 | |
| 1246 | const char * poptGetInvocationName(poptContext con) |
| 1247 | { |
| 1248 | return (con->os->argv ? con->os->argv[0] : ""); |
| 1249 | } |
| 1250 | |
| 1251 | /*@-boundswrite@*/ |
| 1252 | int poptStrippedArgv(poptContext con, int argc, char ** argv) |
| 1253 | { |
| 1254 | int numargs = argc; |
| 1255 | int j = 1; |
| 1256 | int i; |
| 1257 | |
| 1258 | /*@-sizeoftype@*/ |
| 1259 | if (con->arg_strip) |
| 1260 | for (i = 1; i < argc; i++) { |
| 1261 | if (PBM_ISSET(i, con->arg_strip)) |
| 1262 | numargs--; |
| 1263 | } |
| 1264 | |
| 1265 | for (i = 1; i < argc; i++) { |
| 1266 | if (con->arg_strip && PBM_ISSET(i, con->arg_strip)) |
| 1267 | continue; |
| 1268 | argv[j] = (j < numargs) ? argv[i] : NULL; |
| 1269 | j++; |
| 1270 | } |
| 1271 | /*@=sizeoftype@*/ |
| 1272 | |
| 1273 | return numargs; |
| 1274 | } |
| 1275 | /*@=boundswrite@*/ |