Annotation of embedaddon/rsync/popt/popt.c, revision 1.1
1.1 ! misho 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:
! 396: if (item == NULL) /*XXX can't happen*/
! 397: return POPT_ERROR_NOARG;
! 398:
! 399: if (item->argv == NULL || item->argc < 1 ||
! 400: (!con->execAbsolute && strchr(item->argv[0], '/')))
! 401: return POPT_ERROR_NOARG;
! 402:
! 403: argv = malloc(sizeof(*argv) *
! 404: (6 + item->argc + con->numLeftovers + con->finalArgvCount));
! 405: if (argv == NULL) return POPT_ERROR_MALLOC;
! 406:
! 407: if (!strchr(item->argv[0], '/') && con->execPath != NULL) {
! 408: size_t bufsize = strlen(con->execPath) + strlen(item->argv[0]) + sizeof "/";
! 409: char *s = alloca(bufsize);
! 410: snprintf(s, bufsize, "%s/%s", con->execPath, item->argv[0]);
! 411: argv[argc] = s;
! 412: } else
! 413: argv[argc] = findProgramPath(item->argv[0]);
! 414: if (argv[argc++] == NULL) return POPT_ERROR_NOARG;
! 415:
! 416: if (item->argc > 1) {
! 417: memcpy(argv + argc, item->argv + 1, sizeof(*argv) * (item->argc - 1));
! 418: argc += (item->argc - 1);
! 419: }
! 420:
! 421: if (con->finalArgv != NULL && con->finalArgvCount > 0) {
! 422: memcpy(argv + argc, con->finalArgv,
! 423: sizeof(*argv) * con->finalArgvCount);
! 424: argc += con->finalArgvCount;
! 425: }
! 426:
! 427: if (con->leftovers != NULL && con->numLeftovers > 0) {
! 428: memcpy(argv + argc, con->leftovers, sizeof(*argv) * con->numLeftovers);
! 429: argc += con->numLeftovers;
! 430: }
! 431:
! 432: argv[argc] = NULL;
! 433:
! 434: {
! 435: #ifdef __hpux
! 436: int 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: int 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: int 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:
! 462: if (argv[0] == NULL)
! 463: return POPT_ERROR_NOARG;
! 464:
! 465: #ifdef MYDEBUG
! 466: if (_popt_debug)
! 467: { const char ** avp;
! 468: fprintf(stderr, "==> execvp(%s) argv[%d]:", argv[0], argc);
! 469: for (avp = argv; *avp; avp++)
! 470: fprintf(stderr, " '%s'", *avp);
! 471: fprintf(stderr, "\n");
! 472: }
! 473: #endif
! 474:
! 475: execvp(argv[0], (char *const *)argv);
! 476:
! 477: return POPT_ERROR_ERRNO;
! 478: }
! 479: /*@=bounds =boundswrite @*/
! 480:
! 481: /*@-boundswrite@*/
! 482: /*@observer@*/ /*@null@*/ static const struct poptOption *
! 483: findOption(const struct poptOption * opt, /*@null@*/ const char * longName,
! 484: char shortName,
! 485: /*@null@*/ /*@out@*/ poptCallbackType * callback,
! 486: /*@null@*/ /*@out@*/ const void ** callbackData,
! 487: int singleDash)
! 488: /*@modifies *callback, *callbackData */
! 489: {
! 490: const struct poptOption * cb = NULL;
! 491:
! 492: /* This happens when a single - is given */
! 493: if (singleDash && !shortName && (longName && *longName == '\0'))
! 494: shortName = '-';
! 495:
! 496: for (; opt->longName || opt->shortName || opt->arg; opt++) {
! 497:
! 498: if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
! 499: const struct poptOption * opt2;
! 500: void * arg = opt->arg;
! 501:
! 502: /*@-branchstate@*/
! 503: /* XXX sick hack to preserve pretense of ABI. */
! 504: if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
! 505: /*@=branchstate@*/
! 506: /* Recurse on included sub-tables. */
! 507: if (arg == NULL) continue; /* XXX program error */
! 508: opt2 = findOption(arg, longName, shortName, callback,
! 509: callbackData, singleDash);
! 510: if (opt2 == NULL) continue;
! 511: /* Sub-table data will be inheirited if no data yet. */
! 512: if (!(callback && *callback)) return opt2;
! 513: if (!(callbackData && *callbackData == NULL)) return opt2;
! 514: /*@-observertrans -dependenttrans @*/
! 515: *callbackData = opt->descrip;
! 516: /*@=observertrans =dependenttrans @*/
! 517: return opt2;
! 518: } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK) {
! 519: cb = opt;
! 520: } else if (longName && opt->longName &&
! 521: (!singleDash || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) &&
! 522: /*@-nullpass@*/ /* LCL: opt->longName != NULL */
! 523: !strcmp(longName, opt->longName))
! 524: /*@=nullpass@*/
! 525: {
! 526: break;
! 527: } else if (shortName && shortName == opt->shortName) {
! 528: break;
! 529: }
! 530: }
! 531:
! 532: if (!opt->longName && !opt->shortName)
! 533: return NULL;
! 534: /*@-modobserver -mods @*/
! 535: if (callback) *callback = NULL;
! 536: if (callbackData) *callbackData = NULL;
! 537: if (cb) {
! 538: if (callback)
! 539: /*@-castfcnptr@*/
! 540: *callback = (poptCallbackType)cb->arg;
! 541: /*@=castfcnptr@*/
! 542: if (!(cb->argInfo & POPT_CBFLAG_INC_DATA)) {
! 543: if (callbackData)
! 544: /*@-observertrans@*/ /* FIX: typedef double indirection. */
! 545: *callbackData = cb->descrip;
! 546: /*@=observertrans@*/
! 547: }
! 548: }
! 549: /*@=modobserver =mods @*/
! 550:
! 551: return opt;
! 552: }
! 553: /*@=boundswrite@*/
! 554:
! 555: static const char * findNextArg(/*@special@*/ poptContext con,
! 556: unsigned argx, int delete_arg)
! 557: /*@uses con->optionStack, con->os,
! 558: con->os->next, con->os->argb, con->os->argc, con->os->argv @*/
! 559: /*@modifies con @*/
! 560: {
! 561: struct optionStackEntry * os = con->os;
! 562: const char * arg;
! 563:
! 564: do {
! 565: int i;
! 566: arg = NULL;
! 567: while (os->next == os->argc && os > con->optionStack) os--;
! 568: if (os->next == os->argc && os == con->optionStack) break;
! 569: if (os->argv != NULL)
! 570: for (i = os->next; i < os->argc; i++) {
! 571: /*@-sizeoftype@*/
! 572: if (os->argb && PBM_ISSET(i, os->argb))
! 573: /*@innercontinue@*/ continue;
! 574: if (*os->argv[i] == '-')
! 575: /*@innercontinue@*/ continue;
! 576: if (--argx > 0)
! 577: /*@innercontinue@*/ continue;
! 578: arg = os->argv[i];
! 579: if (delete_arg) {
! 580: if (os->argb == NULL) os->argb = PBM_ALLOC(os->argc);
! 581: if (os->argb != NULL) /* XXX can't happen */
! 582: PBM_SET(i, os->argb);
! 583: }
! 584: /*@innerbreak@*/ break;
! 585: /*@=sizeoftype@*/
! 586: }
! 587: if (os > con->optionStack) os--;
! 588: } while (arg == NULL);
! 589: return arg;
! 590: }
! 591:
! 592: /*@-boundswrite@*/
! 593: static /*@only@*/ /*@null@*/ const char *
! 594: expandNextArg(/*@special@*/ poptContext con, const char * s)
! 595: /*@uses con->optionStack, con->os,
! 596: con->os->next, con->os->argb, con->os->argc, con->os->argv @*/
! 597: /*@modifies con @*/
! 598: {
! 599: const char * a = NULL;
! 600: size_t alen, pos;
! 601: char *t, *te;
! 602: size_t tn = strlen(s) + 1;
! 603: char c;
! 604:
! 605: te = t = malloc(tn);;
! 606: if (t == NULL) return NULL; /* XXX can't happen */
! 607: while ((c = *s++) != '\0') {
! 608: switch (c) {
! 609: #if 0 /* XXX can't do this */
! 610: case '\\': /* escape */
! 611: c = *s++;
! 612: /*@switchbreak@*/ break;
! 613: #endif
! 614: case '!':
! 615: if (!(s[0] == '#' && s[1] == ':' && s[2] == '+'))
! 616: /*@switchbreak@*/ break;
! 617: /* XXX Make sure that findNextArg deletes only next arg. */
! 618: if (a == NULL) {
! 619: if ((a = findNextArg(con, 1, 1)) == NULL)
! 620: /*@switchbreak@*/ break;
! 621: }
! 622: s += 3;
! 623:
! 624: alen = strlen(a);
! 625: tn += alen;
! 626: pos = te - t;
! 627: t = realloc(t, tn);
! 628: te = t + pos;
! 629: strncpy(te, a, alen); te += alen;
! 630: continue;
! 631: /*@notreached@*/ /*@switchbreak@*/ break;
! 632: default:
! 633: /*@switchbreak@*/ break;
! 634: }
! 635: *te++ = c;
! 636: }
! 637: *te = '\0';
! 638: t = realloc(t, strlen(t) + 1); /* XXX memory leak, hard to plug */
! 639: return t;
! 640: }
! 641: /*@=boundswrite@*/
! 642:
! 643: static void poptStripArg(/*@special@*/ poptContext con, int which)
! 644: /*@uses con->arg_strip, con->optionStack @*/
! 645: /*@defines con->arg_strip @*/
! 646: /*@modifies con @*/
! 647: {
! 648: /*@-sizeoftype@*/
! 649: if (con->arg_strip == NULL)
! 650: con->arg_strip = PBM_ALLOC(con->optionStack[0].argc);
! 651: if (con->arg_strip != NULL) /* XXX can't happen */
! 652: PBM_SET(which, con->arg_strip);
! 653: /*@=sizeoftype@*/
! 654: /*@-compdef@*/ /* LCL: con->arg_strip udefined? */
! 655: return;
! 656: /*@=compdef@*/
! 657: }
! 658:
! 659: int poptSaveLong(long * arg, int argInfo, long aLong)
! 660: {
! 661: /* XXX Check alignment, may fail on funky platforms. */
! 662: if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1)))
! 663: return POPT_ERROR_NULLARG;
! 664:
! 665: if (argInfo & POPT_ARGFLAG_NOT)
! 666: aLong = ~aLong;
! 667: switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
! 668: case 0:
! 669: *arg = aLong;
! 670: break;
! 671: case POPT_ARGFLAG_OR:
! 672: *arg |= aLong;
! 673: break;
! 674: case POPT_ARGFLAG_AND:
! 675: *arg &= aLong;
! 676: break;
! 677: case POPT_ARGFLAG_XOR:
! 678: *arg ^= aLong;
! 679: break;
! 680: default:
! 681: return POPT_ERROR_BADOPERATION;
! 682: /*@notreached@*/ break;
! 683: }
! 684: return 0;
! 685: }
! 686:
! 687: int poptSaveInt(/*@null@*/ int * arg, int argInfo, long aLong)
! 688: {
! 689: /* XXX Check alignment, may fail on funky platforms. */
! 690: if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1)))
! 691: return POPT_ERROR_NULLARG;
! 692:
! 693: if (argInfo & POPT_ARGFLAG_NOT)
! 694: aLong = ~aLong;
! 695: switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
! 696: case 0:
! 697: *arg = aLong;
! 698: break;
! 699: case POPT_ARGFLAG_OR:
! 700: *arg |= aLong;
! 701: break;
! 702: case POPT_ARGFLAG_AND:
! 703: *arg &= aLong;
! 704: break;
! 705: case POPT_ARGFLAG_XOR:
! 706: *arg ^= aLong;
! 707: break;
! 708: default:
! 709: return POPT_ERROR_BADOPERATION;
! 710: /*@notreached@*/ break;
! 711: }
! 712: return 0;
! 713: }
! 714:
! 715: /*@-boundswrite@*/
! 716: /* returns 'val' element, -1 on last item, POPT_ERROR_* on error */
! 717: int poptGetNextOpt(poptContext con)
! 718: {
! 719: const struct poptOption * opt = NULL;
! 720: int done = 0;
! 721:
! 722: if (con == NULL)
! 723: return -1;
! 724: while (!done) {
! 725: const char * origOptString = NULL;
! 726: poptCallbackType cb = NULL;
! 727: const void * cbData = NULL;
! 728: const char * longArg = NULL;
! 729: int canstrip = 0;
! 730: int shorty = 0;
! 731:
! 732: while (!con->os->nextCharArg && con->os->next == con->os->argc
! 733: && con->os > con->optionStack) {
! 734: cleanOSE(con->os--);
! 735: }
! 736: if (!con->os->nextCharArg && con->os->next == con->os->argc) {
! 737: /*@-internalglobs@*/
! 738: invokeCallbacksPOST(con, con->options);
! 739: /*@=internalglobs@*/
! 740: if (con->doExec) return execCommand(con);
! 741: return -1;
! 742: }
! 743:
! 744: /* Process next long option */
! 745: if (!con->os->nextCharArg) {
! 746: char * localOptString, * optString;
! 747: int thisopt;
! 748:
! 749: /*@-sizeoftype@*/
! 750: if (con->os->argb && PBM_ISSET(con->os->next, con->os->argb)) {
! 751: con->os->next++;
! 752: continue;
! 753: }
! 754: /*@=sizeoftype@*/
! 755: thisopt = con->os->next;
! 756: if (con->os->argv != NULL) /* XXX can't happen */
! 757: origOptString = con->os->argv[con->os->next++];
! 758:
! 759: if (origOptString == NULL) /* XXX can't happen */
! 760: return POPT_ERROR_BADOPT;
! 761:
! 762: if (con->restLeftover || *origOptString != '-') {
! 763: if (con->flags & POPT_CONTEXT_POSIXMEHARDER)
! 764: con->restLeftover = 1;
! 765: if (con->flags & POPT_CONTEXT_ARG_OPTS) {
! 766: con->os->nextArg = xstrdup(origOptString);
! 767: return 0;
! 768: }
! 769: if (con->leftovers != NULL) /* XXX can't happen */
! 770: con->leftovers[con->numLeftovers++] = origOptString;
! 771: continue;
! 772: }
! 773:
! 774: /* Make a copy we can hack at */
! 775: { size_t bufsize = strlen(origOptString) + 1;
! 776: localOptString = optString = alloca(bufsize);
! 777: if (optString == NULL) /* XXX can't happen */
! 778: return POPT_ERROR_BADOPT;
! 779: strlcpy(optString, origOptString, bufsize);
! 780: }
! 781:
! 782: if (optString[0] == '\0')
! 783: return POPT_ERROR_BADOPT;
! 784:
! 785: if (optString[1] == '-' && !optString[2]) {
! 786: con->restLeftover = 1;
! 787: continue;
! 788: } else {
! 789: char *oe;
! 790: int singleDash;
! 791:
! 792: optString++;
! 793: if (*optString == '-')
! 794: singleDash = 0, optString++;
! 795: else
! 796: singleDash = 1;
! 797:
! 798: /* XXX aliases with arg substitution need "--alias=arg" */
! 799: if (handleAlias(con, optString, '\0', NULL))
! 800: continue;
! 801:
! 802: if (handleExec(con, optString, '\0'))
! 803: continue;
! 804:
! 805: /* Check for "--long=arg" option. */
! 806: for (oe = optString; *oe && *oe != '='; oe++)
! 807: {};
! 808: if (*oe == '=') {
! 809: *oe++ = '\0';
! 810: /* XXX longArg is mapped back to persistent storage. */
! 811: longArg = origOptString + (oe - localOptString);
! 812: } else
! 813: oe = NULL;
! 814:
! 815: opt = findOption(con->options, optString, '\0', &cb, &cbData,
! 816: singleDash);
! 817: if (!opt && !singleDash)
! 818: return POPT_ERROR_BADOPT;
! 819: if (!opt && oe)
! 820: oe[-1] = '='; /* restore overwritten '=' */
! 821: }
! 822:
! 823: if (!opt) {
! 824: con->os->nextCharArg = origOptString + 1;
! 825: longArg = NULL;
! 826: } else {
! 827: if (con->os == con->optionStack &&
! 828: opt->argInfo & POPT_ARGFLAG_STRIP)
! 829: {
! 830: canstrip = 1;
! 831: poptStripArg(con, thisopt);
! 832: }
! 833: shorty = 0;
! 834: }
! 835: }
! 836:
! 837: /* Process next short option */
! 838: /*@-branchstate@*/ /* FIX: W2DO? */
! 839: if (con->os->nextCharArg) {
! 840: origOptString = con->os->nextCharArg;
! 841:
! 842: con->os->nextCharArg = NULL;
! 843:
! 844: if (handleAlias(con, NULL, *origOptString, origOptString + 1))
! 845: continue;
! 846:
! 847: if (handleExec(con, NULL, *origOptString)) {
! 848: /* Restore rest of short options for further processing */
! 849: origOptString++;
! 850: if (*origOptString != '\0')
! 851: con->os->nextCharArg = origOptString;
! 852: continue;
! 853: }
! 854:
! 855: opt = findOption(con->options, NULL, *origOptString, &cb,
! 856: &cbData, 0);
! 857: if (!opt)
! 858: return POPT_ERROR_BADOPT;
! 859: shorty = 1;
! 860:
! 861: origOptString++;
! 862: if (*origOptString != '\0')
! 863: con->os->nextCharArg = origOptString;
! 864: }
! 865: /*@=branchstate@*/
! 866:
! 867: if (opt == NULL) return POPT_ERROR_BADOPT; /* XXX can't happen */
! 868: if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE
! 869: || (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL) {
! 870: if (longArg || (con->os->nextCharArg && con->os->nextCharArg[0] == '='))
! 871: return POPT_ERROR_UNWANTEDARG;
! 872: if (opt->arg) {
! 873: long val = (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL ? opt->val : 1;
! 874: if (poptSaveInt((int *)opt->arg, opt->argInfo, val))
! 875: return POPT_ERROR_BADOPERATION;
! 876: }
! 877: } else {
! 878: con->os->nextArg = _free(con->os->nextArg);
! 879: /*@-usedef@*/ /* FIX: W2DO? */
! 880: if (longArg) {
! 881: /*@=usedef@*/
! 882: longArg = expandNextArg(con, longArg);
! 883: con->os->nextArg = longArg;
! 884: } else if (con->os->nextCharArg) {
! 885: longArg = expandNextArg(con, con->os->nextCharArg + (con->os->nextCharArg[0] == '='));
! 886: con->os->nextArg = longArg;
! 887: con->os->nextCharArg = NULL;
! 888: } else {
! 889: while (con->os->next == con->os->argc &&
! 890: con->os > con->optionStack) {
! 891: cleanOSE(con->os--);
! 892: }
! 893: if (con->os->next == con->os->argc) {
! 894: if (!(opt->argInfo & POPT_ARGFLAG_OPTIONAL))
! 895: /*@-compdef@*/ /* FIX: con->os->argv not defined */
! 896: return POPT_ERROR_NOARG;
! 897: /*@=compdef@*/
! 898: con->os->nextArg = NULL;
! 899: } else {
! 900:
! 901: /*
! 902: * Make sure this isn't part of a short arg or the
! 903: * result of an alias expansion.
! 904: */
! 905: if (con->os == con->optionStack &&
! 906: (opt->argInfo & POPT_ARGFLAG_STRIP) &&
! 907: canstrip) {
! 908: poptStripArg(con, con->os->next);
! 909: }
! 910:
! 911: if (con->os->argv != NULL) { /* XXX can't happen */
! 912: /* XXX watchout: subtle side-effects live here. */
! 913: longArg = con->os->argv[con->os->next++];
! 914: longArg = expandNextArg(con, longArg);
! 915: con->os->nextArg = longArg;
! 916: }
! 917: }
! 918: }
! 919: longArg = NULL;
! 920:
! 921: if (opt->arg) {
! 922: switch (opt->argInfo & POPT_ARG_MASK) {
! 923: case POPT_ARG_STRING:
! 924: /* XXX memory leak, hard to plug */
! 925: *((const char **) opt->arg) = (con->os->nextArg)
! 926: ? xstrdup(con->os->nextArg) : NULL;
! 927: /*@switchbreak@*/ break;
! 928:
! 929: case POPT_ARG_INT:
! 930: case POPT_ARG_LONG:
! 931: { long aLong = 0;
! 932: char *end;
! 933:
! 934: if (con->os->nextArg) {
! 935: aLong = strtol(con->os->nextArg, &end, 0);
! 936: if (!(end && *end == '\0'))
! 937: return POPT_ERROR_BADNUMBER;
! 938: }
! 939:
! 940: if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_LONG) {
! 941: if (aLong == LONG_MIN || aLong == LONG_MAX)
! 942: return POPT_ERROR_OVERFLOW;
! 943: if (poptSaveLong((long *)opt->arg, opt->argInfo, aLong))
! 944: return POPT_ERROR_BADOPERATION;
! 945: } else {
! 946: if (aLong > INT_MAX || aLong < INT_MIN)
! 947: return POPT_ERROR_OVERFLOW;
! 948: if (poptSaveInt((int *)opt->arg, opt->argInfo, aLong))
! 949: return POPT_ERROR_BADOPERATION;
! 950: }
! 951: } /*@switchbreak@*/ break;
! 952:
! 953: case POPT_ARG_FLOAT:
! 954: case POPT_ARG_DOUBLE:
! 955: { double aDouble = 0.0;
! 956: char *end;
! 957:
! 958: if (con->os->nextArg) {
! 959: /*@-mods@*/
! 960: int saveerrno = errno;
! 961: errno = 0;
! 962: aDouble = strtod(con->os->nextArg, &end);
! 963: if (errno == ERANGE)
! 964: return POPT_ERROR_OVERFLOW;
! 965: errno = saveerrno;
! 966: /*@=mods@*/
! 967: if (*end != '\0')
! 968: return POPT_ERROR_BADNUMBER;
! 969: }
! 970:
! 971: if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_DOUBLE) {
! 972: *((double *) opt->arg) = aDouble;
! 973: } else {
! 974: #define MY_ABS(a) ((((a) - 0.0) < DBL_EPSILON) ? -(a) : (a))
! 975: if ((MY_ABS(aDouble) - FLT_MAX) > DBL_EPSILON)
! 976: return POPT_ERROR_OVERFLOW;
! 977: if ((FLT_MIN - MY_ABS(aDouble)) > DBL_EPSILON)
! 978: return POPT_ERROR_OVERFLOW;
! 979: *((float *) opt->arg) = aDouble;
! 980: }
! 981: } /*@switchbreak@*/ break;
! 982: default:
! 983: fprintf(stdout,
! 984: POPT_("option type (%d) not implemented in popt\n"),
! 985: (opt->argInfo & POPT_ARG_MASK));
! 986: exit(EXIT_FAILURE);
! 987: /*@notreached@*/ /*@switchbreak@*/ break;
! 988: }
! 989: }
! 990: }
! 991:
! 992: if (cb) {
! 993: /*@-internalglobs@*/
! 994: invokeCallbacksOPTION(con, con->options, opt, cbData, shorty);
! 995: /*@=internalglobs@*/
! 996: } else if (opt->val && ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_VAL))
! 997: done = 1;
! 998:
! 999: if ((con->finalArgvCount + 2) >= (con->finalArgvAlloced)) {
! 1000: con->finalArgvAlloced += 10;
! 1001: con->finalArgv = realloc(con->finalArgv,
! 1002: sizeof(*con->finalArgv) * con->finalArgvAlloced);
! 1003: }
! 1004:
! 1005: if (con->finalArgv != NULL)
! 1006: { ssize_t bufsize = (opt->longName ? strlen(opt->longName) : 0) + 3;
! 1007: char *s = malloc(bufsize);
! 1008: if (s != NULL) { /* XXX can't happen */
! 1009: if (opt->longName)
! 1010: snprintf(s, bufsize, "%s%s",
! 1011: ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
! 1012: opt->longName);
! 1013: else
! 1014: snprintf(s, bufsize, "-%c", opt->shortName);
! 1015: con->finalArgv[con->finalArgvCount++] = s;
! 1016: } else
! 1017: con->finalArgv[con->finalArgvCount++] = NULL;
! 1018: }
! 1019:
! 1020: if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE)
! 1021: /*@-ifempty@*/ ; /*@=ifempty@*/
! 1022: else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL)
! 1023: /*@-ifempty@*/ ; /*@=ifempty@*/
! 1024: else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) {
! 1025: if (con->finalArgv != NULL && con->os->nextArg)
! 1026: con->finalArgv[con->finalArgvCount++] =
! 1027: /*@-nullpass@*/ /* LCL: con->os->nextArg != NULL */
! 1028: xstrdup(con->os->nextArg);
! 1029: /*@=nullpass@*/
! 1030: }
! 1031: }
! 1032:
! 1033: return (opt ? opt->val : -1); /* XXX can't happen */
! 1034: }
! 1035: /*@=boundswrite@*/
! 1036:
! 1037: const char * poptGetOptArg(poptContext con)
! 1038: {
! 1039: const char * ret = NULL;
! 1040: /*@-branchstate@*/
! 1041: if (con) {
! 1042: ret = con->os->nextArg;
! 1043: con->os->nextArg = NULL;
! 1044: }
! 1045: /*@=branchstate@*/
! 1046: return ret;
! 1047: }
! 1048:
! 1049: const char * poptGetArg(poptContext con)
! 1050: {
! 1051: const char * ret = NULL;
! 1052: if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers)
! 1053: ret = con->leftovers[con->nextLeftover++];
! 1054: return ret;
! 1055: }
! 1056:
! 1057: const char * poptPeekArg(poptContext con)
! 1058: {
! 1059: const char * ret = NULL;
! 1060: if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers)
! 1061: ret = con->leftovers[con->nextLeftover];
! 1062: return ret;
! 1063: }
! 1064:
! 1065: /*@-boundswrite@*/
! 1066: const char ** poptGetArgs(poptContext con)
! 1067: {
! 1068: if (con == NULL ||
! 1069: con->leftovers == NULL || con->numLeftovers == con->nextLeftover)
! 1070: return NULL;
! 1071:
! 1072: /* some apps like [like RPM ;-) ] need this NULL terminated */
! 1073: con->leftovers[con->numLeftovers] = NULL;
! 1074:
! 1075: /*@-nullret -nullstate @*/ /* FIX: typedef double indirection. */
! 1076: return (con->leftovers + con->nextLeftover);
! 1077: /*@=nullret =nullstate @*/
! 1078: }
! 1079: /*@=boundswrite@*/
! 1080:
! 1081: poptContext poptFreeContext(poptContext con)
! 1082: {
! 1083: poptItem item;
! 1084: int i;
! 1085:
! 1086: if (con == NULL) return con;
! 1087: poptResetContext(con);
! 1088: con->os->argb = _free(con->os->argb);
! 1089:
! 1090: if (con->aliases != NULL)
! 1091: for (i = 0; i < con->numAliases; i++) {
! 1092: item = con->aliases + i;
! 1093: /*@-modobserver -observertrans -dependenttrans@*/
! 1094: item->option.longName = _free(item->option.longName);
! 1095: item->option.descrip = _free(item->option.descrip);
! 1096: item->option.argDescrip = _free(item->option.argDescrip);
! 1097: /*@=modobserver =observertrans =dependenttrans@*/
! 1098: item->argv = _free(item->argv);
! 1099: }
! 1100: con->aliases = _free(con->aliases);
! 1101:
! 1102: if (con->execs != NULL)
! 1103: for (i = 0; i < con->numExecs; i++) {
! 1104: item = con->execs + i;
! 1105: /*@-modobserver -observertrans -dependenttrans@*/
! 1106: item->option.longName = _free(item->option.longName);
! 1107: item->option.descrip = _free(item->option.descrip);
! 1108: item->option.argDescrip = _free(item->option.argDescrip);
! 1109: /*@=modobserver =observertrans =dependenttrans@*/
! 1110: item->argv = _free(item->argv);
! 1111: }
! 1112: con->execs = _free(con->execs);
! 1113:
! 1114: con->leftovers = _free(con->leftovers);
! 1115: con->finalArgv = _free(con->finalArgv);
! 1116: con->appName = _free(con->appName);
! 1117: con->otherHelp = _free(con->otherHelp);
! 1118: con->execPath = _free(con->execPath);
! 1119: con->arg_strip = PBM_FREE(con->arg_strip);
! 1120:
! 1121: con = _free(con);
! 1122: return con;
! 1123: }
! 1124:
! 1125: int poptAddAlias(poptContext con, struct poptAlias alias,
! 1126: /*@unused@*/ UNUSED(int flags))
! 1127: {
! 1128: poptItem item = (poptItem) alloca(sizeof(*item));
! 1129: memset(item, 0, sizeof(*item));
! 1130: item->option.longName = alias.longName;
! 1131: item->option.shortName = alias.shortName;
! 1132: item->option.argInfo = POPT_ARGFLAG_DOC_HIDDEN;
! 1133: item->option.arg = 0;
! 1134: item->option.val = 0;
! 1135: item->option.descrip = NULL;
! 1136: item->option.argDescrip = NULL;
! 1137: item->argc = alias.argc;
! 1138: item->argv = alias.argv;
! 1139: return poptAddItem(con, item, 0);
! 1140: }
! 1141:
! 1142: /*@-boundswrite@*/
! 1143: /*@-mustmod@*/ /* LCL: con not modified? */
! 1144: int poptAddItem(poptContext con, poptItem newItem, int flags)
! 1145: {
! 1146: poptItem * items, item;
! 1147: int * nitems;
! 1148:
! 1149: switch (flags) {
! 1150: case 1:
! 1151: items = &con->execs;
! 1152: nitems = &con->numExecs;
! 1153: break;
! 1154: case 0:
! 1155: items = &con->aliases;
! 1156: nitems = &con->numAliases;
! 1157: break;
! 1158: default:
! 1159: return 1;
! 1160: /*@notreached@*/ break;
! 1161: }
! 1162:
! 1163: *items = realloc((*items), ((*nitems) + 1) * sizeof(**items));
! 1164: if ((*items) == NULL)
! 1165: return 1;
! 1166:
! 1167: item = (*items) + (*nitems);
! 1168:
! 1169: item->option.longName =
! 1170: (newItem->option.longName ? xstrdup(newItem->option.longName) : NULL);
! 1171: item->option.shortName = newItem->option.shortName;
! 1172: item->option.argInfo = newItem->option.argInfo;
! 1173: item->option.arg = newItem->option.arg;
! 1174: item->option.val = newItem->option.val;
! 1175: item->option.descrip =
! 1176: (newItem->option.descrip ? xstrdup(newItem->option.descrip) : NULL);
! 1177: item->option.argDescrip =
! 1178: (newItem->option.argDescrip ? xstrdup(newItem->option.argDescrip) : NULL);
! 1179: item->argc = newItem->argc;
! 1180: item->argv = newItem->argv;
! 1181:
! 1182: (*nitems)++;
! 1183:
! 1184: return 0;
! 1185: }
! 1186: /*@=mustmod@*/
! 1187: /*@=boundswrite@*/
! 1188:
! 1189: const char * poptBadOption(poptContext con, int flags)
! 1190: {
! 1191: struct optionStackEntry * os = NULL;
! 1192:
! 1193: if (con != NULL)
! 1194: os = (flags & POPT_BADOPTION_NOALIAS) ? con->optionStack : con->os;
! 1195:
! 1196: /*@-nullderef@*/ /* LCL: os->argv != NULL */
! 1197: return (os && os->argv ? os->argv[os->next - 1] : NULL);
! 1198: /*@=nullderef@*/
! 1199: }
! 1200:
! 1201: const char * poptStrerror(const int error)
! 1202: {
! 1203: switch (error) {
! 1204: case POPT_ERROR_NOARG:
! 1205: return POPT_("missing argument");
! 1206: case POPT_ERROR_UNWANTEDARG:
! 1207: return POPT_("option does not take an argument");
! 1208: case POPT_ERROR_BADOPT:
! 1209: return POPT_("unknown option");
! 1210: case POPT_ERROR_BADOPERATION:
! 1211: return POPT_("mutually exclusive logical operations requested");
! 1212: case POPT_ERROR_NULLARG:
! 1213: return POPT_("opt->arg should not be NULL");
! 1214: case POPT_ERROR_OPTSTOODEEP:
! 1215: return POPT_("aliases nested too deeply");
! 1216: case POPT_ERROR_BADQUOTE:
! 1217: return POPT_("error in parameter quoting");
! 1218: case POPT_ERROR_BADNUMBER:
! 1219: return POPT_("invalid numeric value");
! 1220: case POPT_ERROR_OVERFLOW:
! 1221: return POPT_("number too large or too small");
! 1222: case POPT_ERROR_MALLOC:
! 1223: return POPT_("memory allocation failed");
! 1224: case POPT_ERROR_ERRNO:
! 1225: return strerror(errno);
! 1226: default:
! 1227: return POPT_("unknown error");
! 1228: }
! 1229: }
! 1230:
! 1231: int poptStuffArgs(poptContext con, const char ** argv)
! 1232: {
! 1233: int argc;
! 1234: int rc;
! 1235:
! 1236: if ((con->os - con->optionStack) == POPT_OPTION_DEPTH)
! 1237: return POPT_ERROR_OPTSTOODEEP;
! 1238:
! 1239: for (argc = 0; argv[argc]; argc++)
! 1240: {};
! 1241:
! 1242: con->os++;
! 1243: con->os->next = 0;
! 1244: con->os->nextArg = NULL;
! 1245: con->os->nextCharArg = NULL;
! 1246: con->os->currAlias = NULL;
! 1247: rc = poptDupArgv(argc, argv, &con->os->argc, &con->os->argv);
! 1248: con->os->argb = NULL;
! 1249: con->os->stuffed = 1;
! 1250:
! 1251: return rc;
! 1252: }
! 1253:
! 1254: const char * poptGetInvocationName(poptContext con)
! 1255: {
! 1256: return (con->os->argv ? con->os->argv[0] : "");
! 1257: }
! 1258:
! 1259: /*@-boundswrite@*/
! 1260: int poptStrippedArgv(poptContext con, int argc, char ** argv)
! 1261: {
! 1262: int numargs = argc;
! 1263: int j = 1;
! 1264: int i;
! 1265:
! 1266: /*@-sizeoftype@*/
! 1267: if (con->arg_strip)
! 1268: for (i = 1; i < argc; i++) {
! 1269: if (PBM_ISSET(i, con->arg_strip))
! 1270: numargs--;
! 1271: }
! 1272:
! 1273: for (i = 1; i < argc; i++) {
! 1274: if (con->arg_strip && PBM_ISSET(i, con->arg_strip))
! 1275: continue;
! 1276: argv[j] = (j < numargs) ? argv[i] : NULL;
! 1277: j++;
! 1278: }
! 1279: /*@=sizeoftype@*/
! 1280:
! 1281: return numargs;
! 1282: }
! 1283: /*@=boundswrite@*/
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