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# popt/popt.c

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    00001
    00005 /* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING
    00006    file accompanying popt source distributions, available from
    00007    ftp://ftp.rpm.org/pub/rpm/dist */
    00008
    00009 #undef  MYDEBUG
    00010
    00011 #include "system.h"
    00012
    00013 #if HAVE_FLOAT_H
    00014 #include <float.h>
    00015 #endif
    00016 #include <math.h>
    00017
    00018 #include "findme.h"
    00019 #include "poptint.h"
    00020
    00021 #ifdef  MYDEBUG
    00022 /*@unchecked@*/
    00023 int _popt_debug = 0;
    00024 #endif
    00025
    00026 #ifndef HAVE_STRERROR
    00027 static char * strerror(int errno) {
    00028     extern int sys_nerr;
    00029     extern char * sys_errlist[];
    00030
    00031     if ((0 <= errno) && (errno < sys_nerr))
    00032         return sys_errlist[errno];
    00033     else
    00034         return POPT_("unknown errno");
    00035 }
    00036 #endif
    00037
    00038 #ifdef MYDEBUG
    00039 /*@unused@*/ static void prtcon(const char *msg, poptContext con)
    00040 {
    00041     if (msg) fprintf(stderr, "%s", msg);
    00042     fprintf(stderr, "\tcon %p os %p nextCharArg \"%s\" nextArg \"%s\" argv[%d] \"%s\"\n",
    00043         con, con->os,
    00044         (con->os->nextCharArg ? con->os->nextCharArg : ""),
    00045         (con->os->nextArg ? con->os->nextArg : ""),
    00046         con->os->next,
    00047         (con->os->argv && con->os->argv[con->os->next]
    00048                 ? con->os->argv[con->os->next] : ""));
    00049 }
    00050 #endif
    00051
    00052 void poptSetExecPath(poptContext con, const char * path, int allowAbsolute)
    00053 {
    00054     con->execPath = _free(con->execPath);
    00055     con->execPath = xstrdup(path);
    00056     con->execAbsolute = allowAbsolute;
    00057     /*@-nullstate@*/ /* LCL: con->execPath can be NULL? */
    00058     return;
    00059     /*@=nullstate@*/
    00060 }
    00061
    00062 static void invokeCallbacksPRE(poptContext con, const struct poptOption * opt)
    00063         /*@globals internalState@*/
    00064         /*@modifies internalState@*/
    00065 {
    00066     if (opt != NULL)
    00067     for (; opt->longName || opt->shortName || opt->arg; opt++) {
    00068         if (opt->arg == NULL) continue;         /* XXX program error. */
    00069         if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
    00070             /* Recurse on included sub-tables. */
    00071             invokeCallbacksPRE(con, opt->arg);
    00072         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
    00073                    (opt->argInfo & POPT_CBFLAG_PRE))
    00074         {   /*@-castfcnptr@*/
    00075             poptCallbackType cb = (poptCallbackType)opt->arg;
    00076             /*@=castfcnptr@*/
    00077             /* Perform callback. */
    00078             /*@-moduncon -noeffectuncon @*/
    00079             cb(con, POPT_CALLBACK_REASON_PRE, NULL, NULL, opt->descrip);
    00080             /*@=moduncon =noeffectuncon @*/
    00081         }
    00082     }
    00083 }
    00084
    00085 static void invokeCallbacksPOST(poptContext con, const struct poptOption * opt)
    00086         /*@globals internalState@*/
    00087         /*@modifies internalState@*/
    00088 {
    00089     if (opt != NULL)
    00090     for (; opt->longName || opt->shortName || opt->arg; opt++) {
    00091         if (opt->arg == NULL) continue;         /* XXX program error. */
    00092         if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
    00093             /* Recurse on included sub-tables. */
    00094             invokeCallbacksPOST(con, opt->arg);
    00095         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
    00096                    (opt->argInfo & POPT_CBFLAG_POST))
    00097         {   /*@-castfcnptr@*/
    00098             poptCallbackType cb = (poptCallbackType)opt->arg;
    00099             /*@=castfcnptr@*/
    00100             /* Perform callback. */
    00101             /*@-moduncon -noeffectuncon @*/
    00102             cb(con, POPT_CALLBACK_REASON_POST, NULL, NULL, opt->descrip);
    00103             /*@=moduncon =noeffectuncon @*/
    00104         }
    00105     }
    00106 }
    00107
    00108 static void invokeCallbacksOPTION(poptContext con,
    00109                                   const struct poptOption * opt,
    00110                                   const struct poptOption * myOpt,
    00111                                   /*@null@*/ const void * myData, int shorty)
    00112         /*@globals internalState@*/
    00113         /*@modifies internalState@*/
    00114 {
    00115     const struct poptOption * cbopt = NULL;
    00116
    00117     if (opt != NULL)
    00118     for (; opt->longName || opt->shortName || opt->arg; opt++) {
    00119         if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
    00120             /* Recurse on included sub-tables. */
    00121             if (opt->arg != NULL)       /* XXX program error */
    00122                 invokeCallbacksOPTION(con, opt->arg, myOpt, myData, shorty);
    00123         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
    00124                   !(opt->argInfo & POPT_CBFLAG_SKIPOPTION)) {
    00125             /* Save callback info. */
    00126             cbopt = opt;
    00127         } else if (cbopt != NULL &&
    00128                    ((myOpt->shortName && opt->shortName && shorty &&
    00129                         myOpt->shortName == opt->shortName) ||
    00130                     (myOpt->longName && opt->longName &&
    00131                 /*@-nullpass@*/         /* LCL: opt->longName != NULL */
    00132                         !strcmp(myOpt->longName, opt->longName)))
    00133                 /*@=nullpass@*/
    00134                    )
    00135         {   /*@-castfcnptr@*/
    00136             poptCallbackType cb = (poptCallbackType)cbopt->arg;
    00137             /*@=castfcnptr@*/
    00138             const void * cbData = (cbopt->descrip ? cbopt->descrip : myData);
    00139             /* Perform callback. */
    00140             if (cb != NULL) {   /* XXX program error */
    00141                 /*@-moduncon -noeffectuncon @*/
    00142                 cb(con, POPT_CALLBACK_REASON_OPTION, myOpt,
    00143                         con->os->nextArg, cbData);
    00144                 /*@=moduncon =noeffectuncon @*/
    00145             }
    00146             /* Terminate (unless explcitly continuing). */
    00147             if (!(cbopt->argInfo & POPT_CBFLAG_CONTINUE))
    00148                 return;
    00149         }
    00150     }
    00151 }
    00152
    00153 poptContext poptGetContext(const char * name, int argc, const char ** argv,
    00154                            const struct poptOption * options, int flags)
    00155 {
    00156     poptContext con = malloc(sizeof(*con));
    00157
    00158     if (con == NULL) return NULL;       /* XXX can't happen */
    00159     memset(con, 0, sizeof(*con));
    00160
    00161     con->os = con->optionStack;
    00162     con->os->argc = argc;
    00163     /*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */
    00164     con->os->argv = argv;
    00165     /*@=dependenttrans =assignexpose@*/
    00166     con->os->argb = NULL;
    00167
    00168     if (!(flags & POPT_CONTEXT_KEEP_FIRST))
    00169         con->os->next = 1;                      /* skip argv[0] */
    00170
    00171     con->leftovers = calloc( (argc + 1), sizeof(*con->leftovers) );
    00172     /*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */
    00173     con->options = options;
    00174     /*@=dependenttrans =assignexpose@*/
    00175     con->aliases = NULL;
    00176     con->numAliases = 0;
    00177     con->flags = flags;
    00178     con->execs = NULL;
    00179     con->numExecs = 0;
    00180     con->finalArgvAlloced = argc * 2;
    00181     con->finalArgv = calloc( con->finalArgvAlloced, sizeof(*con->finalArgv) );
    00182     con->execAbsolute = 1;
    00183     con->arg_strip = NULL;
    00184
    00185     if (getenv("POSIXLY_CORRECT") || getenv("POSIX_ME_HARDER"))
    00186         con->flags |= POPT_CONTEXT_POSIXMEHARDER;
    00187
    00188     if (name) {
    00189         char * t = malloc(strlen(name) + 1);
    00190         if (t) con->appName = strcpy(t, name);
    00191     }
    00192
    00193     /*@-internalglobs@*/
    00194     invokeCallbacksPRE(con, con->options);
    00195     /*@=internalglobs@*/
    00196
    00197     return con;
    00198 }
    00199
    00200 static void cleanOSE(/*@special@*/ struct optionStackEntry *os)
    00201         /*@uses os @*/
    00202         /*@releases os->nextArg, os->argv, os->argb @*/
    00203         /*@modifies os @*/
    00204 {
    00205     os->nextArg = _free(os->nextArg);
    00206     os->argv = _free(os->argv);
    00207     os->argb = PBM_FREE(os->argb);
    00208 }
    00209
    00210 /*@-boundswrite@*/
    00211 void poptResetContext(poptContext con)
    00212 {
    00213     int i;
    00214
    00215     if (con == NULL) return;
    00216     while (con->os > con->optionStack) {
    00217         cleanOSE(con->os--);
    00218     }
    00219     con->os->argb = PBM_FREE(con->os->argb);
    00220     con->os->currAlias = NULL;
    00221     con->os->nextCharArg = NULL;
    00222     con->os->nextArg = NULL;
    00223     con->os->next = 1;                  /* skip argv[0] */
    00224
    00225     con->numLeftovers = 0;
    00226     con->nextLeftover = 0;
    00227     con->restLeftover = 0;
    00228     con->doExec = NULL;
    00229
    00230     if (con->finalArgv != NULL)
    00231     for (i = 0; i < con->finalArgvCount; i++) {
    00232         /*@-unqualifiedtrans@*/         /* FIX: typedef double indirection. */
    00233         con->finalArgv[i] = _free(con->finalArgv[i]);
    00234         /*@=unqualifiedtrans@*/
    00235     }
    00236
    00237     con->finalArgvCount = 0;
    00238     con->arg_strip = PBM_FREE(con->arg_strip);
    00239     /*@-nullstate@*/    /* FIX: con->finalArgv != NULL */
    00240     return;
    00241     /*@=nullstate@*/
    00242 }
    00243 /*@=boundswrite@*/
    00244
    00245 /* Only one of longName, shortName should be set, not both. */
    00246 /*@-boundswrite@*/
    00247 static int handleExec(/*@special@*/ poptContext con,
    00248                 /*@null@*/ const char * longName, char shortName)
    00249         /*@uses con->execs, con->numExecs, con->flags, con->doExec,
    00250                 con->finalArgv, con->finalArgvAlloced, con->finalArgvCount @*/
    00251         /*@modifies con @*/
    00252 {
    00253     poptItem item;
    00254     int i;
    00255
    00256     if (con->execs == NULL || con->numExecs <= 0) /* XXX can't happen */
    00257         return 0;
    00258
    00259     for (i = con->numExecs - 1; i >= 0; i--) {
    00260         item = con->execs + i;
    00261         if (longName && !(item->option.longName &&
    00262                         !strcmp(longName, item->option.longName)))
    00263             continue;
    00264         else if (shortName != item->option.shortName)
    00265             continue;
    00266         break;
    00267     }
    00268     if (i < 0) return 0;
    00269
    00270
    00271     if (con->flags & POPT_CONTEXT_NO_EXEC)
    00272         return 1;
    00273
    00274     if (con->doExec == NULL) {
    00275         con->doExec = con->execs + i;
    00276         return 1;
    00277     }
    00278
    00279     /* We already have an exec to do; remember this option for next
    00280        time 'round */
    00281     if ((con->finalArgvCount + 1) >= (con->finalArgvAlloced)) {
    00282         con->finalArgvAlloced += 10;
    00283         con->finalArgv = realloc(con->finalArgv,
    00284                         sizeof(*con->finalArgv) * con->finalArgvAlloced);
    00285     }
    00286
    00287     i = con->finalArgvCount++;
    00288     if (con->finalArgv != NULL) /* XXX can't happen */
    00289     {   char *s  = malloc((longName ? strlen(longName) : 0) + 3);
    00290         if (s != NULL) {        /* XXX can't happen */
    00291             if (longName)
    00292                 sprintf(s, "--%s", longName);
    00293             else
    00294                 sprintf(s, "-%c", shortName);
    00295             con->finalArgv[i] = s;
    00296         } else
    00297             con->finalArgv[i] = NULL;
    00298     }
    00299
    00300     /*@-nullstate@*/    /* FIX: con->finalArgv[] == NULL */
    00301     return 1;
    00302     /*@=nullstate@*/
    00303 }
    00304 /*@=boundswrite@*/
    00305
    00306 /* Only one of longName, shortName may be set at a time */
    00307 static int handleAlias(/*@special@*/ poptContext con,
    00308                 /*@null@*/ const char * longName, char shortName,
    00309                 /*@exposed@*/ /*@null@*/ const char * nextCharArg)
    00310         /*@uses con->aliases, con->numAliases, con->optionStack, con->os,
    00311                 con->os->currAlias, con->os->currAlias->option.longName @*/
    00312         /*@modifies con @*/
    00313 {
    00314     poptItem item = con->os->currAlias;
    00315     int rc;
    00316     int i;
    00317
    00318     if (item) {
    00319         if (longName && (item->option.longName &&
    00320                 !strcmp(longName, item->option.longName)))
    00321             return 0;
    00322         if (shortName && shortName == item->option.shortName)
    00323             return 0;
    00324     }
    00325
    00326     if (con->aliases == NULL || con->numAliases <= 0) /* XXX can't happen */
    00327         return 0;
    00328
    00329     for (i = con->numAliases - 1; i >= 0; i--) {
    00330         item = con->aliases + i;
    00331         if (longName && !(item->option.longName &&
    00332                         !strcmp(longName, item->option.longName)))
    00333             continue;
    00334         else if (shortName != item->option.shortName)
    00335             continue;
    00336         break;
    00337     }
    00338     if (i < 0) return 0;
    00339
    00340     if ((con->os - con->optionStack + 1) == POPT_OPTION_DEPTH)
    00341         return POPT_ERROR_OPTSTOODEEP;
    00342
    00343 /*@-boundsread@*/
    00344     if (nextCharArg && *nextCharArg)
    00345         con->os->nextCharArg = nextCharArg;
    00346 /*@=boundsread@*/
    00347
    00348     con->os++;
    00349     con->os->next = 0;
    00350     con->os->stuffed = 0;
    00351     con->os->nextArg = NULL;
    00352     con->os->nextCharArg = NULL;
    00353     con->os->currAlias = con->aliases + i;
    00354     rc = poptDupArgv(con->os->currAlias->argc, con->os->currAlias->argv,
    00355                 &con->os->argc, &con->os->argv);
    00356     con->os->argb = NULL;
    00357
    00358     return (rc ? rc : 1);
    00359 }
    00360
    00361 /*@-bounds -boundswrite @*/
    00362 static int execCommand(poptContext con)
    00363         /*@globals internalState @*/
    00364         /*@modifies internalState @*/
    00365 {
    00366     poptItem item = con->doExec;
    00367     const char ** argv;
    00368     int argc = 0;
    00369     int rc;
    00370
    00371     if (item == NULL) /*XXX can't happen*/
    00372         return POPT_ERROR_NOARG;
    00373
    00374     if (item->argv == NULL || item->argc < 1 ||
    00375         (!con->execAbsolute && strchr(item->argv[0], '/')))
    00376             return POPT_ERROR_NOARG;
    00377
    00378     argv = malloc(sizeof(*argv) *
    00379                         (6 + item->argc + con->numLeftovers + con->finalArgvCount));
    00380     if (argv == NULL) return POPT_ERROR_MALLOC; /* XXX can't happen */
    00381
    00382     if (!strchr(item->argv[0], '/') && con->execPath) {
    00383         char *s = alloca(strlen(con->execPath) + strlen(item->argv[0]) + sizeof("/"));
    00384         sprintf(s, "%s/%s", con->execPath, item->argv[0]);
    00385         argv[argc] = s;
    00386     } else {
    00387         argv[argc] = findProgramPath(item->argv[0]);
    00388     }
    00389     if (argv[argc++] == NULL) return POPT_ERROR_NOARG;
    00390
    00391     if (item->argc > 1) {
    00392         memcpy(argv + argc, item->argv + 1, sizeof(*argv) * (item->argc - 1));
    00393         argc += (item->argc - 1);
    00394     }
    00395
    00396     if (con->finalArgv != NULL && con->finalArgvCount > 0) {
    00397         memcpy(argv + argc, con->finalArgv,
    00398                 sizeof(*argv) * con->finalArgvCount);
    00399         argc += con->finalArgvCount;
    00400     }
    00401
    00402     if (con->leftovers != NULL && con->numLeftovers > 0) {
    00403 #if 0
    00404         argv[argc++] = "--";
    00405 #endif
    00406         memcpy(argv + argc, con->leftovers, sizeof(*argv) * con->numLeftovers);
    00407         argc += con->numLeftovers;
    00408     }
    00409
    00410     argv[argc] = NULL;
    00411
    00412 #ifdef __hpux
    00413     rc = setresuid(getuid(), getuid(),-1);
    00414     if (rc) return POPT_ERROR_ERRNO;
    00415 #else
    00416 /*
    00417  * XXX " ... on BSD systems setuid() should be preferred over setreuid()"
    00418  * XXX  sez' Timur Bakeyev <mc@bat.ru>
    00419  * XXX  from Norbert Warmuth <nwarmuth@privat.circular.de>
    00420  */
    00421 #if defined(HAVE_SETUID)
    00422     rc = setuid(getuid());
    00423     if (rc) return POPT_ERROR_ERRNO;
    00424 #elif defined (HAVE_SETREUID)
    00425     rc = setreuid(getuid(), getuid()); /*hlauer: not portable to hpux9.01 */
    00426     if (rc) return POPT_ERROR_ERRNO;
    00427 #else
    00428     ; /* Can't drop privileges */
    00429 #endif
    00430 #endif
    00431
    00432     if (argv[0] == NULL)
    00433         return POPT_ERROR_NOARG;
    00434
    00435 #ifdef  MYDEBUG
    00436 if (_popt_debug)
    00437     {   const char ** avp;
    00438         fprintf(stderr, "==> execvp(%s) argv[%d]:", argv[0], argc);
    00439         for (avp = argv; *avp; avp++)
    00440             fprintf(stderr, " '%s'", *avp);
    00441         fprintf(stderr, "\n");
    00442     }
    00443 #endif
    00444
    00445     rc = execvp(argv[0], (char *const *)argv);
    00446
    00447     return POPT_ERROR_ERRNO;
    00448 }
    00449 /*@=bounds =boundswrite @*/
    00450
    00451 /*@-boundswrite@*/
    00452 /*@observer@*/ /*@null@*/ static const struct poptOption *
    00453 findOption(const struct poptOption * opt, /*@null@*/ const char * longName,
    00454                 char shortName,
    00455                 /*@null@*/ /*@out@*/ poptCallbackType * callback,
    00456                 /*@null@*/ /*@out@*/ const void ** callbackData,
    00457                 int singleDash)
    00458         /*@modifies *callback, *callbackData */
    00459 {
    00460     const struct poptOption * cb = NULL;
    00461
    00462     /* This happens when a single - is given */
    00463     if (singleDash && !shortName && (longName && *longName == '\0'))
    00464         shortName = '-';
    00465
    00466     for (; opt->longName || opt->shortName || opt->arg; opt++) {
    00467
    00468         if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
    00469             const struct poptOption * opt2;
    00470
    00471             /* Recurse on included sub-tables. */
    00472             if (opt->arg == NULL) continue;     /* XXX program error */
    00473             opt2 = findOption(opt->arg, longName, shortName, callback,
    00474                               callbackData, singleDash);
    00475             if (opt2 == NULL) continue;
    00476             /* Sub-table data will be inheirited if no data yet. */
    00477             if (!(callback && *callback)) return opt2;
    00478             if (!(callbackData && *callbackData == NULL)) return opt2;
    00479             /*@-observertrans -dependenttrans @*/
    00480             *callbackData = opt->descrip;
    00481             /*@=observertrans =dependenttrans @*/
    00482             return opt2;
    00483         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK) {
    00484             cb = opt;
    00485         } else if (longName && opt->longName &&
    00486                    (!singleDash || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) &&
    00487                 /*@-nullpass@*/         /* LCL: opt->longName != NULL */
    00488                    !strcmp(longName, opt->longName))
    00489                 /*@=nullpass@*/
    00490         {
    00491             break;
    00492         } else if (shortName && shortName == opt->shortName) {
    00493             break;
    00494         }
    00495     }
    00496
    00497     if (!opt->longName && !opt->shortName)
    00498         return NULL;
    00499     /*@-modobserver -mods @*/
    00500     if (callback) *callback = NULL;
    00501     if (callbackData) *callbackData = NULL;
    00502     if (cb) {
    00503         if (callback)
    00504         /*@-castfcnptr@*/
    00505             *callback = (poptCallbackType)cb->arg;
    00506         /*@=castfcnptr@*/
    00507         if (!(cb->argInfo & POPT_CBFLAG_INC_DATA)) {
    00508             if (callbackData)
    00509                 /*@-observertrans@*/    /* FIX: typedef double indirection. */
    00510                 *callbackData = cb->descrip;
    00511                 /*@=observertrans@*/
    00512         }
    00513     }
    00514     /*@=modobserver =mods @*/
    00515
    00516     return opt;
    00517 }
    00518 /*@=boundswrite@*/
    00519
    00520 static const char * findNextArg(/*@special@*/ poptContext con,
    00521                 unsigned argx, int delete_arg)
    00522         /*@uses con->optionStack, con->os,
    00523                 con->os->next, con->os->argb, con->os->argc, con->os->argv @*/
    00524         /*@modifies con @*/
    00525 {
    00526     struct optionStackEntry * os = con->os;
    00527     const char * arg;
    00528
    00529     do {
    00530         int i;
    00531         arg = NULL;
    00532         while (os->next == os->argc && os > con->optionStack) os--;
    00533         if (os->next == os->argc && os == con->optionStack) break;
    00534         if (os->argv != NULL)
    00535         for (i = os->next; i < os->argc; i++) {
    00536             /*@-sizeoftype@*/
    00537             if (os->argb && PBM_ISSET(i, os->argb))
    00538                 /*@innercontinue@*/ continue;
    00539             if (*os->argv[i] == '-')
    00540                 /*@innercontinue@*/ continue;
    00541             if (--argx > 0)
    00542                 /*@innercontinue@*/ continue;
    00543             arg = os->argv[i];
    00544             if (delete_arg) {
    00545                 if (os->argb == NULL) os->argb = PBM_ALLOC(os->argc);
    00546                 if (os->argb != NULL)   /* XXX can't happen */
    00547                 PBM_SET(i, os->argb);
    00548             }
    00549             /*@innerbreak@*/ break;
    00550             /*@=sizeoftype@*/
    00551         }
    00552         if (os > con->optionStack) os--;
    00553     } while (arg == NULL);
    00554     return arg;
    00555 }
    00556
    00557 /*@-boundswrite@*/
    00558 static /*@only@*/ /*@null@*/ const char *
    00559 expandNextArg(/*@special@*/ poptContext con, const char * s)
    00560         /*@uses con->optionStack, con->os,
    00561                 con->os->next, con->os->argb, con->os->argc, con->os->argv @*/
    00562         /*@modifies con @*/
    00563 {
    00564     const char * a = NULL;
    00565     size_t alen;
    00566     char *t, *te;
    00567     size_t tn = strlen(s) + 1;
    00568     char c;
    00569
    00570     te = t = malloc(tn);;
    00571     if (t == NULL) return NULL;         /* XXX can't happen */
    00572     while ((c = *s++) != '\0') {
    00573         switch (c) {
    00574 #if 0   /* XXX can't do this */
    00575         case '\\':      /* escape */
    00576             c = *s++;
    00577             /*@switchbreak@*/ break;
    00578 #endif
    00579         case '!':
    00580             if (!(s[0] == '#' && s[1] == ':' && s[2] == '+'))
    00581                 /*@switchbreak@*/ break;
    00582             /* XXX Make sure that findNextArg deletes only next arg. */
    00583             if (a == NULL) {
    00584                 if ((a = findNextArg(con, 1, 1)) == NULL)
    00585                     /*@switchbreak@*/ break;
    00586             }
    00587             s += 3;
    00588
    00589             alen = strlen(a);
    00590             tn += alen;
    00591             *te = '\0';
    00592             t = realloc(t, tn);
    00593             te = t + strlen(t);
    00594             strncpy(te, a, alen); te += alen;
    00595             continue;
    00596             /*@notreached@*/ /*@switchbreak@*/ break;
    00597         default:
    00598             /*@switchbreak@*/ break;
    00599         }
    00600         *te++ = c;
    00601     }
    00602     *te = '\0';
    00603     t = realloc(t, strlen(t) + 1);      /* XXX memory leak, hard to plug */
    00604     return t;
    00605 }
    00606 /*@=boundswrite@*/
    00607
    00608 static void poptStripArg(/*@special@*/ poptContext con, int which)
    00609         /*@uses con->arg_strip, con->optionStack @*/
    00610         /*@defines con->arg_strip @*/
    00611         /*@modifies con @*/
    00612 {
    00613     /*@-sizeoftype@*/
    00614     if (con->arg_strip == NULL)
    00615         con->arg_strip = PBM_ALLOC(con->optionStack[0].argc);
    00616     if (con->arg_strip != NULL)         /* XXX can't happen */
    00617     PBM_SET(which, con->arg_strip);
    00618     /*@=sizeoftype@*/
    00619     /*@-compdef@*/ /* LCL: con->arg_strip udefined? */
    00620     return;
    00621     /*@=compdef@*/
    00622 }
    00623
    00624 int poptSaveLong(long * arg, int argInfo, long aLong)
    00625 {
    00626     /* XXX Check alignment, may fail on funky platforms. */
    00627     if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1)))
    00628         return POPT_ERROR_NULLARG;
    00629
    00630     if (argInfo & POPT_ARGFLAG_NOT)
    00631         aLong = ~aLong;
    00632     switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
    00633     case 0:
    00634         *arg = aLong;
    00635         break;
    00636     case POPT_ARGFLAG_OR:
    00637         *arg |= aLong;
    00638         break;
    00639     case POPT_ARGFLAG_AND:
    00640         *arg &= aLong;
    00641         break;
    00642     case POPT_ARGFLAG_XOR:
    00643         *arg ^= aLong;
    00644         break;
    00645     default:
    00646         return POPT_ERROR_BADOPERATION;
    00647         /*@notreached@*/ break;
    00648     }
    00649     return 0;
    00650 }
    00651
    00652 int poptSaveInt(/*@null@*/ int * arg, int argInfo, long aLong)
    00653 {
    00654     /* XXX Check alignment, may fail on funky platforms. */
    00655     if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1)))
    00656         return POPT_ERROR_NULLARG;
    00657
    00658     if (argInfo & POPT_ARGFLAG_NOT)
    00659         aLong = ~aLong;
    00660     switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
    00661     case 0:
    00662         *arg = aLong;
    00663         break;
    00664     case POPT_ARGFLAG_OR:
    00665         *arg |= aLong;
    00666         break;
    00667     case POPT_ARGFLAG_AND:
    00668         *arg &= aLong;
    00669         break;
    00670     case POPT_ARGFLAG_XOR:
    00671         *arg ^= aLong;
    00672         break;
    00673     default:
    00674         return POPT_ERROR_BADOPERATION;
    00675         /*@notreached@*/ break;
    00676     }
    00677     return 0;
    00678 }
    00679
    00680 /*@-boundswrite@*/
    00681 /* returns 'val' element, -1 on last item, POPT_ERROR_* on error */
    00682 int poptGetNextOpt(poptContext con)
    00683 {
    00684     const struct poptOption * opt = NULL;
    00685     int done = 0;
    00686
    00687     if (con == NULL)
    00688         return -1;
    00689     while (!done) {
    00690         const char * origOptString = NULL;
    00691         poptCallbackType cb = NULL;
    00692         const void * cbData = NULL;
    00693         const char * longArg = NULL;
    00694         int canstrip = 0;
    00695         int shorty = 0;
    00696
    00697         while (!con->os->nextCharArg && con->os->next == con->os->argc
    00698                 && con->os > con->optionStack) {
    00699             cleanOSE(con->os--);
    00700         }
    00701         if (!con->os->nextCharArg && con->os->next == con->os->argc) {
    00702             /*@-internalglobs@*/
    00703             invokeCallbacksPOST(con, con->options);
    00704             /*@=internalglobs@*/
    00705             if (con->doExec) return execCommand(con);
    00706             return -1;
    00707         }
    00708
    00709         /* Process next long option */
    00710         if (!con->os->nextCharArg) {
    00711             char * localOptString, * optString;
    00712             int thisopt;
    00713
    00714             /*@-sizeoftype@*/
    00715             if (con->os->argb && PBM_ISSET(con->os->next, con->os->argb)) {
    00716                 con->os->next++;
    00717                 continue;
    00718             }
    00719             /*@=sizeoftype@*/
    00720             thisopt = con->os->next;
    00721             if (con->os->argv != NULL)  /* XXX can't happen */
    00722             origOptString = con->os->argv[con->os->next++];
    00723
    00724             if (origOptString == NULL)  /* XXX can't happen */
    00725                 return POPT_ERROR_BADOPT;
    00726
    00727             if (con->restLeftover || *origOptString != '-') {
    00728                 if (con->flags & POPT_CONTEXT_POSIXMEHARDER)
    00729                     con->restLeftover = 1;
    00730                 if (con->flags & POPT_CONTEXT_ARG_OPTS) {
    00731                     con->os->nextArg = xstrdup(origOptString);
    00732                     return 0;
    00733                 }
    00734                 if (con->leftovers != NULL)     /* XXX can't happen */
    00735                     con->leftovers[con->numLeftovers++] = origOptString;
    00736                 continue;
    00737             }
    00738
    00739             /* Make a copy we can hack at */
    00740             localOptString = optString =
    00741                 strcpy(alloca(strlen(origOptString) + 1), origOptString);
    00742
    00743             if (optString[0] == '\0')
    00744                 return POPT_ERROR_BADOPT;
    00745
    00746             if (optString[1] == '-' && !optString[2]) {
    00747                 con->restLeftover = 1;
    00748                 continue;
    00749             } else {
    00750                 char *oe;
    00751                 int singleDash;
    00752
    00753                 optString++;
    00754                 if (*optString == '-')
    00755                     singleDash = 0, optString++;
    00756                 else
    00757                     singleDash = 1;
    00758
    00759                 /* XXX aliases with arg substitution need "--alias=arg" */
    00760                 if (handleAlias(con, optString, '\0', NULL))
    00761                     continue;
    00762
    00763                 if (handleExec(con, optString, '\0'))
    00764                     continue;
    00765
    00766                 /* Check for "--long=arg" option. */
    00767                 for (oe = optString; *oe && *oe != '='; oe++)
    00768                     {};
    00769                 if (*oe == '=') {
    00770                     *oe++ = '\0';
    00771                     /* XXX longArg is mapped back to persistent storage. */
    00772                     longArg = origOptString + (oe - localOptString);
    00773                 }
    00774
    00775                 opt = findOption(con->options, optString, '\0', &cb, &cbData,
    00776                                  singleDash);
    00777                 if (!opt && !singleDash)
    00778                     return POPT_ERROR_BADOPT;
    00779             }
    00780
    00781             if (!opt) {
    00782                 con->os->nextCharArg = origOptString + 1;
    00783             } else {
    00784                 if (con->os == con->optionStack &&
    00785                    opt->argInfo & POPT_ARGFLAG_STRIP)
    00786                 {
    00787                     canstrip = 1;
    00788                     poptStripArg(con, thisopt);
    00789                 }
    00790                 shorty = 0;
    00791             }
    00792         }
    00793
    00794         /* Process next short option */
    00795         /*@-branchstate@*/              /* FIX: W2DO? */
    00796         if (con->os->nextCharArg) {
    00797             origOptString = con->os->nextCharArg;
    00798
    00799             con->os->nextCharArg = NULL;
    00800
    00801             if (handleAlias(con, NULL, *origOptString, origOptString + 1))
    00802                 continue;
    00803
    00804             if (handleExec(con, NULL, *origOptString)) {
    00805                 /* Restore rest of short options for further processing */
    00806                 origOptString++;
    00807                 if (*origOptString != '\0')
    00808                     con->os->nextCharArg = origOptString;
    00809                 continue;
    00810             }
    00811
    00812             opt = findOption(con->options, NULL, *origOptString, &cb,
    00813                              &cbData, 0);
    00814             if (!opt)
    00815                 return POPT_ERROR_BADOPT;
    00816             shorty = 1;
    00817
    00818             origOptString++;
    00819             if (*origOptString != '\0')
    00820                 con->os->nextCharArg = origOptString;
    00821         }
    00822         /*@=branchstate@*/
    00823
    00824         if (opt == NULL) return POPT_ERROR_BADOPT;      /* XXX can't happen */
    00825         if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE) {
    00826             if (poptSaveInt((int *)opt->arg, opt->argInfo, 1L))
    00827                 return POPT_ERROR_BADOPERATION;
    00828         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL) {
    00829             if (opt->arg) {
    00830                 if (poptSaveInt((int *)opt->arg, opt->argInfo, (long)opt->val))
    00831                     return POPT_ERROR_BADOPERATION;
    00832             }
    00833         } else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) {
    00834             con->os->nextArg = _free(con->os->nextArg);
    00835             /*@-usedef@*/       /* FIX: W2DO? */
    00836             if (longArg) {
    00837             /*@=usedef@*/
    00838                 longArg = expandNextArg(con, longArg);
    00839                 con->os->nextArg = longArg;
    00840             } else if (con->os->nextCharArg) {
    00841                 longArg = expandNextArg(con, con->os->nextCharArg);
    00842                 con->os->nextArg = longArg;
    00843                 con->os->nextCharArg = NULL;
    00844             } else {
    00845                 while (con->os->next == con->os->argc &&
    00846                        con->os > con->optionStack) {
    00847                     cleanOSE(con->os--);
    00848                 }
    00849                 if (con->os->next == con->os->argc) {
    00850                     if (!(opt->argInfo & POPT_ARGFLAG_OPTIONAL))
    00851                         /*@-compdef@*/  /* FIX: con->os->argv not defined */
    00852                         return POPT_ERROR_NOARG;
    00853                         /*@=compdef@*/
    00854                     con->os->nextArg = NULL;
    00855                 } else {
    00856
    00857                     /*
    00858                      * Make sure this isn't part of a short arg or the
    00859                      * result of an alias expansion.
    00860                      */
    00861                     if (con->os == con->optionStack &&
    00862                         (opt->argInfo & POPT_ARGFLAG_STRIP) &&
    00863                         canstrip) {
    00864                         poptStripArg(con, con->os->next);
    00865                     }
    00866
    00867                     if (con->os->argv != NULL) {        /* XXX can't happen */
    00868                         /* XXX watchout: subtle side-effects live here. */
    00869                         longArg = con->os->argv[con->os->next++];
    00870                         longArg = expandNextArg(con, longArg);
    00871                         con->os->nextArg = longArg;
    00872                     }
    00873                 }
    00874             }
    00875             longArg = NULL;
    00876
    00877             if (opt->arg) {
    00878                 switch (opt->argInfo & POPT_ARG_MASK) {
    00879                 case POPT_ARG_STRING:
    00880                     /* XXX memory leak, hard to plug */
    00881                     *((const char **) opt->arg) = (con->os->nextArg)
    00882                         ? xstrdup(con->os->nextArg) : NULL;
    00883                     /*@switchbreak@*/ break;
    00884
    00885                 case POPT_ARG_INT:
    00886                 case POPT_ARG_LONG:
    00887                 {   long aLong = 0;
    00888                     char *end;
    00889
    00890                     if (con->os->nextArg) {
    00891                         aLong = strtol(con->os->nextArg, &end, 0);
    00892                         if (!(end && *end == '\0'))
    00893                             return POPT_ERROR_BADNUMBER;
    00894                     }
    00895
    00896                     if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_LONG) {
    00897                         if (aLong == LONG_MIN || aLong == LONG_MAX)
    00898                             return POPT_ERROR_OVERFLOW;
    00899                         if (poptSaveLong((long *)opt->arg, opt->argInfo, aLong))
    00900                             return POPT_ERROR_BADOPERATION;
    00901                     } else {
    00902                         if (aLong > INT_MAX || aLong < INT_MIN)
    00903                             return POPT_ERROR_OVERFLOW;
    00904                         if (poptSaveInt((int *)opt->arg, opt->argInfo, aLong))
    00905                             return POPT_ERROR_BADOPERATION;
    00906                     }
    00907                 }   /*@switchbreak@*/ break;
    00908
    00909                 case POPT_ARG_FLOAT:
    00910                 case POPT_ARG_DOUBLE:
    00911                 {   double aDouble = 0.0;
    00912                     char *end;
    00913
    00914                     if (con->os->nextArg) {
    00915                         /*@-mods@*/
    00916                         int saveerrno = errno;
    00917                         errno = 0;
    00918                         aDouble = strtod(con->os->nextArg, &end);
    00919                         if (errno == ERANGE)
    00920                             return POPT_ERROR_OVERFLOW;
    00921                         errno = saveerrno;
    00922                         /*@=mods@*/
    00923                         if (*end != '\0')
    00924                             return POPT_ERROR_BADNUMBER;
    00925                     }
    00926
    00927                     if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_DOUBLE) {
    00928                         *((double *) opt->arg) = aDouble;
    00929                     } else {
    00930 #define _ABS(a) ((((a) - 0.0) < DBL_EPSILON) ? -(a) : (a))
    00931                         if ((_ABS(aDouble) - FLT_MAX) > DBL_EPSILON)
    00932                             return POPT_ERROR_OVERFLOW;
    00933                         if ((FLT_MIN - _ABS(aDouble)) > DBL_EPSILON)
    00934                             return POPT_ERROR_OVERFLOW;
    00935                         *((float *) opt->arg) = aDouble;
    00936                     }
    00937                 }   /*@switchbreak@*/ break;
    00938                 default:
    00939                     fprintf(stdout,
    00940                         POPT_("option type (%d) not implemented in popt\n"),
    00941                         (opt->argInfo & POPT_ARG_MASK));
    00942                     exit(EXIT_FAILURE);
    00943                     /*@notreached@*/ /*@switchbreak@*/ break;
    00944                 }
    00945             }
    00946         }
    00947
    00948         if (cb) {
    00949             /*@-internalglobs@*/
    00950             invokeCallbacksOPTION(con, con->options, opt, cbData, shorty);
    00951             /*@=internalglobs@*/
    00952         } else if (opt->val && ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_VAL))
    00953             done = 1;
    00954
    00955         if ((con->finalArgvCount + 2) >= (con->finalArgvAlloced)) {
    00956             con->finalArgvAlloced += 10;
    00957             con->finalArgv = realloc(con->finalArgv,
    00958                             sizeof(*con->finalArgv) * con->finalArgvAlloced);
    00959         }
    00960
    00961         if (con->finalArgv != NULL)
    00962         {   char *s = malloc((opt->longName ? strlen(opt->longName) : 0) + 3);
    00963             if (s != NULL) {    /* XXX can't happen */
    00964                 if (opt->longName)
    00965                     sprintf(s, "%s%s",
    00966                         ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
    00967                         opt->longName);
    00968                 else
    00969                     sprintf(s, "-%c", opt->shortName);
    00970                 con->finalArgv[con->finalArgvCount++] = s;
    00971             } else
    00972                 con->finalArgv[con->finalArgvCount++] = NULL;
    00973         }
    00974
    00975         if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE)
    00976             /*@-ifempty@*/ ; /*@=ifempty@*/
    00977         else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL)
    00978             /*@-ifempty@*/ ; /*@=ifempty@*/
    00979         else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) {
    00980             if (con->finalArgv != NULL && con->os->nextArg)
    00981                 con->finalArgv[con->finalArgvCount++] =
    00982                         /*@-nullpass@*/ /* LCL: con->os->nextArg != NULL */
    00983                         xstrdup(con->os->nextArg);
    00984                         /*@=nullpass@*/
    00985         }
    00986     }
    00987
    00988     return (opt ? opt->val : -1);       /* XXX can't happen */
    00989 }
    00990 /*@=boundswrite@*/
    00991
    00992 const char * poptGetOptArg(poptContext con)
    00993 {
    00994     const char * ret = NULL;
    00995     /*@-branchstate@*/
    00996     if (con) {
    00997         ret = con->os->nextArg;
    00998         con->os->nextArg = NULL;
    00999     }
    01000     /*@=branchstate@*/
    01001     return ret;
    01002 }
    01003
    01004 const char * poptGetArg(poptContext con)
    01005 {
    01006     const char * ret = NULL;
    01007     if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers)
    01008         ret = con->leftovers[con->nextLeftover++];
    01009     return ret;
    01010 }
    01011
    01012 const char * poptPeekArg(poptContext con)
    01013 {
    01014     const char * ret = NULL;
    01015     if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers)
    01016         ret = con->leftovers[con->nextLeftover];
    01017     return ret;
    01018 }
    01019
    01020 /*@-boundswrite@*/
    01021 const char ** poptGetArgs(poptContext con)
    01022 {
    01023     if (con == NULL ||
    01024         con->leftovers == NULL || con->numLeftovers == con->nextLeftover)
    01025         return NULL;
    01026
    01027     /* some apps like [like RPM ;-) ] need this NULL terminated */
    01028     con->leftovers[con->numLeftovers] = NULL;
    01029
    01030     /*@-nullret -nullstate @*/  /* FIX: typedef double indirection. */
    01031     return (con->leftovers + con->nextLeftover);
    01032     /*@=nullret =nullstate @*/
    01033 }
    01034 /*@=boundswrite@*/
    01035
    01036 poptContext poptFreeContext(poptContext con)
    01037 {
    01038     poptItem item;
    01039     int i;
    01040
    01041     if (con == NULL) return con;
    01042     poptResetContext(con);
    01043     con->os->argb = _free(con->os->argb);
    01044
    01045     if (con->aliases != NULL)
    01046     for (i = 0; i < con->numAliases; i++) {
    01047         item = con->aliases + i;
    01048         /*@-modobserver -observertrans -dependenttrans@*/
    01049         item->option.longName = _free(item->option.longName);
    01050         item->option.descrip = _free(item->option.descrip);
    01051         item->option.argDescrip = _free(item->option.argDescrip);
    01052         /*@=modobserver =observertrans =dependenttrans@*/
    01053         item->argv = _free(item->argv);
    01054     }
    01055     con->aliases = _free(con->aliases);
    01056
    01057     if (con->execs != NULL)
    01058     for (i = 0; i < con->numExecs; i++) {
    01059         item = con->execs + i;
    01060         /*@-modobserver -observertrans -dependenttrans@*/
    01061         item->option.longName = _free(item->option.longName);
    01062         item->option.descrip = _free(item->option.descrip);
    01063         item->option.argDescrip = _free(item->option.argDescrip);
    01064         /*@=modobserver =observertrans =dependenttrans@*/
    01065         item->argv = _free(item->argv);
    01066     }
    01067     con->execs = _free(con->execs);
    01068
    01069     con->leftovers = _free(con->leftovers);
    01070     con->finalArgv = _free(con->finalArgv);
    01071     con->appName = _free(con->appName);
    01072     con->otherHelp = _free(con->otherHelp);
    01073     con->execPath = _free(con->execPath);
    01074     con->arg_strip = PBM_FREE(con->arg_strip);
    01075
    01076     con = _free(con);
    01077     return con;
    01078 }
    01079
    01080 int poptAddAlias(poptContext con, struct poptAlias alias,
    01081                 /*@unused@*/ int flags)
    01082 {
    01083     poptItem item = alloca(sizeof(*item));
    01084     memset(item, 0, sizeof(*item));
    01085     item->option.longName = alias.longName;
    01086     item->option.shortName = alias.shortName;
    01087     item->option.argInfo = POPT_ARGFLAG_DOC_HIDDEN;
    01088     item->option.arg = 0;
    01089     item->option.val = 0;
    01090     item->option.descrip = NULL;
    01091     item->option.argDescrip = NULL;
    01092     item->argc = alias.argc;
    01093     item->argv = alias.argv;
    01094     return poptAddItem(con, item, 0);
    01095 }
    01096
    01097 /*@-boundswrite@*/
    01098 /*@-mustmod@*/ /* LCL: con not modified? */
    01099 int poptAddItem(poptContext con, poptItem newItem, int flags)
    01100 {
    01101     poptItem * items, item;
    01102     int * nitems;
    01103
    01104     switch (flags) {
    01105     case 1:
    01106         items = &con->execs;
    01107         nitems = &con->numExecs;
    01108         break;
    01109     case 0:
    01110         items = &con->aliases;
    01111         nitems = &con->numAliases;
    01112         break;
    01113     default:
    01114         return 1;
    01115         /*@notreached@*/ break;
    01116     }
    01117
    01118     *items = realloc((*items), ((*nitems) + 1) * sizeof(**items));
    01119     if ((*items) == NULL)
    01120         return 1;
    01121
    01122     item = (*items) + (*nitems);
    01123
    01124     item->option.longName =
    01125         (newItem->option.longName ? xstrdup(newItem->option.longName) : NULL);
    01126     item->option.shortName = newItem->option.shortName;
    01127     item->option.argInfo = newItem->option.argInfo;
    01128     item->option.arg = newItem->option.arg;
    01129     item->option.val = newItem->option.val;
    01130     item->option.descrip =
    01131         (newItem->option.descrip ? xstrdup(newItem->option.descrip) : NULL);
    01132     item->option.argDescrip =
    01133        (newItem->option.argDescrip ? xstrdup(newItem->option.argDescrip) : NULL);
    01134     item->argc = newItem->argc;
    01135     item->argv = newItem->argv;
    01136
    01137     (*nitems)++;
    01138
    01139     return 0;
    01140 }
    01141 /*@=mustmod@*/
    01142 /*@=boundswrite@*/
    01143
    01144 const char * poptBadOption(poptContext con, int flags)
    01145 {
    01146     struct optionStackEntry * os = NULL;
    01147
    01148     if (con != NULL)
    01149         os = (flags & POPT_BADOPTION_NOALIAS) ? con->optionStack : con->os;
    01150
    01151     /*@-nullderef@*/    /* LCL: os->argv != NULL */
    01152     return (os && os->argv ? os->argv[os->next - 1] : NULL);
    01153     /*@=nullderef@*/
    01154 }
    01155
    01156 const char *const poptStrerror(const int error)
    01157 {
    01158     switch (error) {
    01159       case POPT_ERROR_NOARG:
    01160         return POPT_("missing argument");
    01161       case POPT_ERROR_BADOPT:
    01162         return POPT_("unknown option");
    01163       case POPT_ERROR_BADOPERATION:
    01164         return POPT_("mutually exclusive logical operations requested");
    01165       case POPT_ERROR_NULLARG:
    01166         return POPT_("opt->arg should not be NULL");
    01167       case POPT_ERROR_OPTSTOODEEP:
    01168         return POPT_("aliases nested too deeply");
    01169       case POPT_ERROR_BADQUOTE:
    01170         return POPT_("error in parameter quoting");
    01171       case POPT_ERROR_BADNUMBER:
    01172         return POPT_("invalid numeric value");
    01173       case POPT_ERROR_OVERFLOW:
    01174         return POPT_("number too large or too small");
    01175       case POPT_ERROR_MALLOC:
    01176         return POPT_("memory allocation failed");
    01177       case POPT_ERROR_ERRNO:
    01178         return strerror(errno);
    01179       default:
    01180         return POPT_("unknown error");
    01181     }
    01182 }
    01183
    01184 int poptStuffArgs(poptContext con, const char ** argv)
    01185 {
    01186     int argc;
    01187     int rc;
    01188
    01189     if ((con->os - con->optionStack) == POPT_OPTION_DEPTH)
    01190         return POPT_ERROR_OPTSTOODEEP;
    01191
    01192     for (argc = 0; argv[argc]; argc++)
    01193         {};
    01194
    01195     con->os++;
    01196     con->os->next = 0;
    01197     con->os->nextArg = NULL;
    01198     con->os->nextCharArg = NULL;
    01199     con->os->currAlias = NULL;
    01200     rc = poptDupArgv(argc, argv, &con->os->argc, &con->os->argv);
    01201     con->os->argb = NULL;
    01202     con->os->stuffed = 1;
    01203
    01204     return rc;
    01205 }
    01206
    01207 const char * poptGetInvocationName(poptContext con)
    01208 {
    01209     return (con->os->argv ? con->os->argv[0] : "");
    01210 }
    01211
    01212 /*@-boundswrite@*/
    01213 int poptStrippedArgv(poptContext con, int argc, char ** argv)
    01214 {
    01215     int numargs = argc;
    01216     int j = 1;
    01217     int i;
    01218
    01219     /*@-sizeoftype@*/
    01220     if (con->arg_strip)
    01221     for (i = 1; i < argc; i++) {
    01222         if (PBM_ISSET(i, con->arg_strip))
    01223             numargs--;
    01224     }
    01225
    01226     for (i = 1; i < argc; i++) {
    01227         if (con->arg_strip && PBM_ISSET(i, con->arg_strip))
    01228             continue;
    01229         argv[j] = (j < numargs) ? argv[i] : NULL;
    01230         j++;
    01231     }
    01232     /*@=sizeoftype@*/
    01233
    01234     return numargs;
    01235 }
    01236 /*@=boundswrite@*/