popt 1.13

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 #ifdef 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 #if !defined(HAVE_STRERROR) && !defined(__LCLINT__)
00027 static char * strerror(int errno)
00028 {
00029     extern int sys_nerr;
00030     extern char * sys_errlist[];
00031 
00032     if ((0 <= errno) && (errno < sys_nerr))
00033         return sys_errlist[errno];
00034     else
00035         return POPT_("unknown errno");
00036 }
00037 #endif
00038 
00039 #ifdef MYDEBUG
00040 /*@unused@*/
00041 static void prtcon(const char *msg, poptContext con)
00042 {
00043     if (msg) fprintf(stderr, "%s", msg);
00044     fprintf(stderr, "\tcon %p os %p nextCharArg \"%s\" nextArg \"%s\" argv[%d] \"%s\"\n",
00045         con, con->os,
00046         (con->os->nextCharArg ? con->os->nextCharArg : ""),
00047         (con->os->nextArg ? con->os->nextArg : ""),
00048         con->os->next,
00049         (con->os->argv && con->os->argv[con->os->next]
00050                 ? con->os->argv[con->os->next] : ""));
00051 }
00052 #endif
00053 
00054 void poptSetExecPath(poptContext con, const char * path, int allowAbsolute)
00055 {
00056     con->execPath = _free(con->execPath);
00057     con->execPath = xstrdup(path);
00058     con->execAbsolute = allowAbsolute;
00059 /*@-nullstate@*/ /* LCL: con->execPath not NULL */
00060     return;
00061 /*@=nullstate@*/
00062 }
00063 
00064 static void invokeCallbacksPRE(poptContext con, const struct poptOption * opt)
00065         /*@globals internalState@*/
00066         /*@modifies internalState@*/
00067 {
00068     if (opt != NULL)
00069     for (; opt->longName || opt->shortName || opt->arg; opt++) {
00070         if (opt->arg == NULL) continue;         /* XXX program error. */
00071         if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
00072             void * arg = opt->arg;
00073             /* XXX sick hack to preserve pretense of ABI. */
00074             if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
00075             /* Recurse on included sub-tables. */
00076             invokeCallbacksPRE(con, arg);
00077         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
00078                    (opt->argInfo & POPT_CBFLAG_PRE))
00079         {   /*@-castfcnptr@*/
00080             poptCallbackType cb = (poptCallbackType)opt->arg;
00081             /*@=castfcnptr@*/
00082             /* Perform callback. */
00083             /*@-noeffectuncon @*/
00084             cb(con, POPT_CALLBACK_REASON_PRE, NULL, NULL, opt->descrip);
00085             /*@=noeffectuncon @*/
00086         }
00087     }
00088 }
00089 
00090 static void invokeCallbacksPOST(poptContext con, const struct poptOption * opt)
00091         /*@globals internalState@*/
00092         /*@modifies internalState@*/
00093 {
00094     if (opt != NULL)
00095     for (; opt->longName || opt->shortName || opt->arg; opt++) {
00096         if (opt->arg == NULL) continue;         /* XXX program error. */
00097         if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
00098             void * arg = opt->arg;
00099             /* XXX sick hack to preserve pretense of ABI. */
00100             if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
00101             /* Recurse on included sub-tables. */
00102             invokeCallbacksPOST(con, arg);
00103         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
00104                    (opt->argInfo & POPT_CBFLAG_POST))
00105         {   /*@-castfcnptr@*/
00106             poptCallbackType cb = (poptCallbackType)opt->arg;
00107             /*@=castfcnptr@*/
00108             /* Perform callback. */
00109             /*@-noeffectuncon @*/
00110             cb(con, POPT_CALLBACK_REASON_POST, NULL, NULL, opt->descrip);
00111             /*@=noeffectuncon @*/
00112         }
00113     }
00114 }
00115 
00116 static void invokeCallbacksOPTION(poptContext con,
00117                                   const struct poptOption * opt,
00118                                   const struct poptOption * myOpt,
00119                                   /*@null@*/ const void * myData, int shorty)
00120         /*@globals internalState@*/
00121         /*@modifies internalState@*/
00122 {
00123     const struct poptOption * cbopt = NULL;
00124 
00125     if (opt != NULL)
00126     for (; opt->longName || opt->shortName || opt->arg; opt++) {
00127         if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
00128             void * arg = opt->arg;
00129             /* XXX sick hack to preserve pretense of ABI. */
00130             if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
00131             /* Recurse on included sub-tables. */
00132             if (opt->arg != NULL)       /* XXX program error */
00133                 invokeCallbacksOPTION(con, opt->arg, myOpt, myData, shorty);
00134         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
00135                   !(opt->argInfo & POPT_CBFLAG_SKIPOPTION)) {
00136             /* Save callback info. */
00137             cbopt = opt;
00138         } else if (cbopt != NULL &&
00139                    ((myOpt->shortName && opt->shortName && shorty &&
00140                         myOpt->shortName == opt->shortName) ||
00141                     (myOpt->longName != NULL && opt->longName != NULL &&
00142                         !strcmp(myOpt->longName, opt->longName)))
00143                    )
00144         {   /*@-castfcnptr@*/
00145             poptCallbackType cb = (poptCallbackType)cbopt->arg;
00146             /*@=castfcnptr@*/
00147             const void * cbData = (cbopt->descrip ? cbopt->descrip : myData);
00148             /* Perform callback. */
00149             if (cb != NULL) {   /* XXX program error */
00150                 /*@-noeffectuncon @*/
00151                 cb(con, POPT_CALLBACK_REASON_OPTION, myOpt,
00152                         con->os->nextArg, cbData);
00153                 /*@=noeffectuncon @*/
00154             }
00155             /* Terminate (unless explcitly continuing). */
00156             if (!(cbopt->argInfo & POPT_CBFLAG_CONTINUE))
00157                 return;
00158         }
00159     }
00160 }
00161 
00162 poptContext poptGetContext(const char * name, int argc, const char ** argv,
00163                            const struct poptOption * options, unsigned int flags)
00164 {
00165     poptContext con = malloc(sizeof(*con));
00166 
00167     if (con == NULL) return NULL;       /* XXX can't happen */
00168     memset(con, 0, sizeof(*con));
00169 
00170     con->os = con->optionStack;
00171     con->os->argc = argc;
00172 /*@-dependenttrans -assignexpose@*/     /* FIX: W2DO? */
00173     con->os->argv = argv;
00174 /*@=dependenttrans =assignexpose@*/
00175     con->os->argb = NULL;
00176 
00177     if (!(flags & POPT_CONTEXT_KEEP_FIRST))
00178         con->os->next = 1;                      /* skip argv[0] */
00179 
00180     con->leftovers = calloc( (argc + 1), sizeof(*con->leftovers) );
00181 /*@-dependenttrans -assignexpose@*/     /* FIX: W2DO? */
00182     con->options = options;
00183 /*@=dependenttrans =assignexpose@*/
00184     con->aliases = NULL;
00185     con->numAliases = 0;
00186     con->flags = flags;
00187     con->execs = NULL;
00188     con->numExecs = 0;
00189     con->finalArgvAlloced = argc * 2;
00190     con->finalArgv = calloc( con->finalArgvAlloced, sizeof(*con->finalArgv) );
00191     con->execAbsolute = 1;
00192     con->arg_strip = NULL;
00193 
00194     if (getenv("POSIXLY_CORRECT") || getenv("POSIX_ME_HARDER"))
00195         con->flags |= POPT_CONTEXT_POSIXMEHARDER;
00196 
00197     if (name) {
00198         char * t = malloc(strlen(name) + 1);
00199         if (t) con->appName = strcpy(t, name);
00200     }
00201 
00202 /*@-internalglobs@*/
00203     invokeCallbacksPRE(con, con->options);
00204 /*@=internalglobs@*/
00205 
00206     return con;
00207 }
00208 
00209 static void cleanOSE(/*@special@*/ struct optionStackEntry *os)
00210         /*@uses os @*/
00211         /*@releases os->nextArg, os->argv, os->argb @*/
00212         /*@modifies os @*/
00213 {
00214     os->nextArg = _free(os->nextArg);
00215     os->argv = _free(os->argv);
00216     os->argb = PBM_FREE(os->argb);
00217 }
00218 
00219 void poptResetContext(poptContext con)
00220 {
00221     int i;
00222 
00223     if (con == NULL) return;
00224     while (con->os > con->optionStack) {
00225         cleanOSE(con->os--);
00226     }
00227     con->os->argb = PBM_FREE(con->os->argb);
00228     con->os->currAlias = NULL;
00229     con->os->nextCharArg = NULL;
00230     con->os->nextArg = NULL;
00231     con->os->next = 1;                  /* skip argv[0] */
00232 
00233     con->numLeftovers = 0;
00234     con->nextLeftover = 0;
00235     con->restLeftover = 0;
00236     con->doExec = NULL;
00237 
00238     if (con->finalArgv != NULL)
00239     for (i = 0; i < con->finalArgvCount; i++) {
00240 /*@-unqualifiedtrans@*/         /* FIX: typedef double indirection. */
00241         con->finalArgv[i] = _free(con->finalArgv[i]);
00242 /*@=unqualifiedtrans@*/
00243     }
00244 
00245     con->finalArgvCount = 0;
00246     con->arg_strip = PBM_FREE(con->arg_strip);
00247 /*@-nullstate@*/        /* FIX: con->finalArgv != NULL */
00248     return;
00249 /*@=nullstate@*/
00250 }
00251 
00252 /* Only one of longName, shortName should be set, not both. */
00253 static int handleExec(/*@special@*/ poptContext con,
00254                 /*@null@*/ const char * longName, char shortName)
00255         /*@uses con->execs, con->numExecs, con->flags, con->doExec,
00256                 con->finalArgv, con->finalArgvAlloced, con->finalArgvCount @*/
00257         /*@modifies con @*/
00258 {
00259     poptItem item;
00260     int i;
00261 
00262     if (con->execs == NULL || con->numExecs <= 0) /* XXX can't happen */
00263         return 0;
00264 
00265     for (i = con->numExecs - 1; i >= 0; i--) {
00266         item = con->execs + i;
00267         if (longName && !(item->option.longName &&
00268                         !strcmp(longName, item->option.longName)))
00269             continue;
00270         else if (shortName != item->option.shortName)
00271             continue;
00272         break;
00273     }
00274     if (i < 0) return 0;
00275 
00276 
00277     if (con->flags & POPT_CONTEXT_NO_EXEC)
00278         return 1;
00279 
00280     if (con->doExec == NULL) {
00281         con->doExec = con->execs + i;
00282         return 1;
00283     }
00284 
00285     /* We already have an exec to do; remember this option for next
00286        time 'round */
00287     if ((con->finalArgvCount + 1) >= (con->finalArgvAlloced)) {
00288         con->finalArgvAlloced += 10;
00289         con->finalArgv = realloc(con->finalArgv,
00290                         sizeof(*con->finalArgv) * con->finalArgvAlloced);
00291     }
00292 
00293     i = con->finalArgvCount++;
00294     if (con->finalArgv != NULL) /* XXX can't happen */
00295     {   char *s  = malloc((longName ? strlen(longName) : 0) + 3);
00296         if (s != NULL) {        /* XXX can't happen */
00297             if (longName)
00298                 sprintf(s, "--%s", longName);
00299             else
00300                 sprintf(s, "-%c", shortName);
00301             con->finalArgv[i] = s;
00302         } else
00303             con->finalArgv[i] = NULL;
00304     }
00305 
00306     return 1;
00307 }
00308 
00309 /* Only one of longName, shortName may be set at a time */
00310 static int handleAlias(/*@special@*/ poptContext con,
00311                 /*@null@*/ const char * longName, char shortName,
00312                 /*@exposed@*/ /*@null@*/ const char * nextCharArg)
00313         /*@uses con->aliases, con->numAliases, con->optionStack, con->os,
00314                 con->os->currAlias, con->os->currAlias->option.longName @*/
00315         /*@modifies con @*/
00316 {
00317     poptItem item = con->os->currAlias;
00318     int rc;
00319     int i;
00320 
00321     if (item) {
00322         if (longName && (item->option.longName &&
00323                 !strcmp(longName, item->option.longName)))
00324             return 0;
00325         if (shortName && shortName == item->option.shortName)
00326             return 0;
00327     }
00328 
00329     if (con->aliases == NULL || con->numAliases <= 0) /* XXX can't happen */
00330         return 0;
00331 
00332     for (i = con->numAliases - 1; i >= 0; i--) {
00333         item = con->aliases + i;
00334         if (longName && !(item->option.longName &&
00335                         !strcmp(longName, item->option.longName)))
00336             continue;
00337         else if (shortName != item->option.shortName)
00338             continue;
00339         break;
00340     }
00341     if (i < 0) return 0;
00342 
00343     if ((con->os - con->optionStack + 1) == POPT_OPTION_DEPTH)
00344         return POPT_ERROR_OPTSTOODEEP;
00345 
00346     if (nextCharArg && *nextCharArg)
00347         con->os->nextCharArg = nextCharArg;
00348 
00349     con->os++;
00350     con->os->next = 0;
00351     con->os->stuffed = 0;
00352     con->os->nextArg = NULL;
00353     con->os->nextCharArg = NULL;
00354     con->os->currAlias = con->aliases + i;
00355     rc = poptDupArgv(con->os->currAlias->argc, con->os->currAlias->argv,
00356                 &con->os->argc, &con->os->argv);
00357     con->os->argb = NULL;
00358 
00359     return (rc ? rc : 1);
00360 }
00361 
00362 static int execCommand(poptContext con)
00363         /*@globals internalState @*/
00364         /*@modifies internalState @*/
00365 {
00366     poptItem item = con->doExec;
00367     const char ** argv = NULL;
00368     int argc = 0;
00369     int rc;
00370     int ec = POPT_ERROR_ERRNO;
00371 
00372     if (item == NULL) /*XXX can't happen*/
00373         return POPT_ERROR_NOARG;
00374 
00375     if (item->argv == NULL || item->argc < 1 ||
00376         (!con->execAbsolute && strchr(item->argv[0], '/')))
00377             return POPT_ERROR_NOARG;
00378 
00379     argv = malloc(sizeof(*argv) *
00380                         (6 + item->argc + con->numLeftovers + con->finalArgvCount));
00381     if (argv == NULL) return POPT_ERROR_MALLOC;
00382 
00383     if (!strchr(item->argv[0], '/') && con->execPath != NULL) {
00384         char *s = malloc(strlen(con->execPath) + strlen(item->argv[0]) + sizeof("/"));
00385         if (s)
00386             sprintf(s, "%s/%s", con->execPath, item->argv[0]);
00387         argv[argc] = s;
00388     } else
00389         argv[argc] = POPT_findProgramPath(item->argv[0]);
00390     if (argv[argc++] == NULL) {
00391         ec = POPT_ERROR_NOARG;
00392         goto exit;
00393     }
00394 
00395     if (item->argc > 1) {
00396         memcpy(argv + argc, item->argv + 1, sizeof(*argv) * (item->argc - 1));
00397         argc += (item->argc - 1);
00398     }
00399 
00400     if (con->finalArgv != NULL && con->finalArgvCount > 0) {
00401         memcpy(argv + argc, con->finalArgv,
00402                 sizeof(*argv) * con->finalArgvCount);
00403         argc += con->finalArgvCount;
00404     }
00405 
00406     if (con->leftovers != NULL && con->numLeftovers > 0) {
00407         memcpy(argv + argc, con->leftovers, sizeof(*argv) * con->numLeftovers);
00408         argc += con->numLeftovers;
00409     }
00410 
00411     argv[argc] = NULL;
00412 
00413 #if defined(hpux) || defined(__hpux)
00414     rc = setresgid(getgid(), getgid(),-1);
00415     if (rc) goto exit;
00416     rc = setresuid(getuid(), getuid(),-1);
00417     if (rc) goto exit;
00418 #else
00419 /*
00420  * XXX " ... on BSD systems setuid() should be preferred over setreuid()"
00421  * XXX  sez' Timur Bakeyev <mc@bat.ru>
00422  * XXX  from Norbert Warmuth <nwarmuth@privat.circular.de>
00423  */
00424 #if defined(HAVE_SETUID)
00425     rc = setgid(getgid());
00426     if (rc) goto exit;
00427     rc = setuid(getuid());
00428     if (rc) goto exit;
00429 #elif defined (HAVE_SETREUID)
00430     rc = setregid(getgid(), getgid());
00431     if (rc) goto exit;
00432     rc = setreuid(getuid(), getuid());
00433     if (rc) goto exit;
00434 #else
00435     ; /* Can't drop privileges */
00436 #endif
00437 #endif
00438 
00439 #ifdef  MYDEBUG
00440 if (_popt_debug)
00441     {   const char ** avp;
00442         fprintf(stderr, "==> execvp(%s) argv[%d]:", argv[0], argc);
00443         for (avp = argv; *avp; avp++)
00444             fprintf(stderr, " '%s'", *avp);
00445         fprintf(stderr, "\n");
00446     }
00447 #endif
00448 
00449 /*@-nullstate@*/
00450     rc = execvp(argv[0], (char *const *)argv);
00451 /*@=nullstate@*/
00452 
00453 exit:
00454     if (argv) {
00455         if (argv[0])
00456             free((void *)argv[0]);
00457         free(argv);
00458     }
00459     return ec;
00460 }
00461 
00462 /*@observer@*/ /*@null@*/ static const struct poptOption *
00463 findOption(const struct poptOption * opt, /*@null@*/ const char * longName, int longNameLen,
00464                 char shortName,
00465                 /*@null@*/ /*@out@*/ poptCallbackType * callback,
00466                 /*@null@*/ /*@out@*/ const void ** callbackData,
00467                 int singleDash)
00468         /*@modifies *callback, *callbackData */
00469 {
00470     const struct poptOption * cb = NULL;
00471 
00472     /* This happens when a single - is given */
00473     if (singleDash && !shortName && (longName && *longName == '\0'))
00474         shortName = '-';
00475 
00476     for (; opt->longName || opt->shortName || opt->arg; opt++) {
00477 
00478         if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
00479             const struct poptOption * opt2;
00480             void * arg = opt->arg;
00481 
00482             /* XXX sick hack to preserve pretense of ABI. */
00483             if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
00484             /* Recurse on included sub-tables. */
00485             if (arg == NULL) continue;  /* XXX program error */
00486             opt2 = findOption(arg, longName, longNameLen, shortName, callback,
00487                               callbackData, singleDash);
00488             if (opt2 == NULL) continue;
00489             /* Sub-table data will be inheirited if no data yet. */
00490             if (!(callback && *callback)) return opt2;
00491             if (!(callbackData && *callbackData == NULL)) return opt2;
00492 /*@-observertrans -dependenttrans @*/
00493             *callbackData = opt->descrip;
00494 /*@=observertrans =dependenttrans @*/
00495             return opt2;
00496         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK) {
00497             cb = opt;
00498         } else if (longName != NULL && opt->longName != NULL &&
00499                    (!singleDash || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) &&
00500                    (!strncmp(longName, opt->longName, longNameLen) && strlen(opt->longName) == longNameLen))
00501         {
00502             break;
00503         } else if (shortName && shortName == opt->shortName) {
00504             break;
00505         }
00506     }
00507 
00508     if (opt->longName == NULL && !opt->shortName)
00509         return NULL;
00510 
00511 /*@-modobserver -mods @*/
00512     if (callback) *callback = NULL;
00513     if (callbackData) *callbackData = NULL;
00514     if (cb) {
00515         if (callback)
00516         /*@-castfcnptr@*/
00517             *callback = (poptCallbackType)cb->arg;
00518         /*@=castfcnptr@*/
00519         if (!(cb->argInfo & POPT_CBFLAG_INC_DATA)) {
00520             if (callbackData)
00521 /*@-observertrans@*/    /* FIX: typedef double indirection. */
00522                 *callbackData = cb->descrip;
00523 /*@=observertrans@*/
00524         }
00525     }
00526 /*@=modobserver =mods @*/
00527 
00528     return opt;
00529 }
00530 
00531 static const char * findNextArg(/*@special@*/ poptContext con,
00532                 unsigned argx, int delete_arg)
00533         /*@uses con->optionStack, con->os,
00534                 con->os->next, con->os->argb, con->os->argc, con->os->argv @*/
00535         /*@modifies con @*/
00536 {
00537     struct optionStackEntry * os = con->os;
00538     const char * arg;
00539 
00540     do {
00541         int i;
00542         arg = NULL;
00543         while (os->next == os->argc && os > con->optionStack) os--;
00544         if (os->next == os->argc && os == con->optionStack) break;
00545         if (os->argv != NULL)
00546         for (i = os->next; i < os->argc; i++) {
00547 /*@-sizeoftype@*/
00548             if (os->argb && PBM_ISSET(i, os->argb))
00549                 /*@innercontinue@*/ continue;
00550             if (*os->argv[i] == '-')
00551                 /*@innercontinue@*/ continue;
00552             if (--argx > 0)
00553                 /*@innercontinue@*/ continue;
00554             arg = os->argv[i];
00555             if (delete_arg) {
00556                 if (os->argb == NULL) os->argb = PBM_ALLOC(os->argc);
00557                 if (os->argb != NULL)   /* XXX can't happen */
00558                     PBM_SET(i, os->argb);
00559             }
00560             /*@innerbreak@*/ break;
00561 /*@=sizeoftype@*/
00562         }
00563         if (os > con->optionStack) os--;
00564     } while (arg == NULL);
00565     return arg;
00566 }
00567 
00568 static /*@only@*/ /*@null@*/ const char *
00569 expandNextArg(/*@special@*/ poptContext con, const char * s)
00570         /*@uses con->optionStack, con->os,
00571                 con->os->next, con->os->argb, con->os->argc, con->os->argv @*/
00572         /*@modifies con @*/
00573 {
00574     const char * a = NULL;
00575     size_t alen;
00576     char *t, *te;
00577     size_t tn = strlen(s) + 1;
00578     char c;
00579 
00580     te = t = malloc(tn);;
00581     if (t == NULL) return NULL;         /* XXX can't happen */
00582     while ((c = *s++) != '\0') {
00583         switch (c) {
00584 #if 0   /* XXX can't do this */
00585         case '\\':      /* escape */
00586             c = *s++;
00587             /*@switchbreak@*/ break;
00588 #endif
00589         case '!':
00590             if (!(s[0] == '#' && s[1] == ':' && s[2] == '+'))
00591                 /*@switchbreak@*/ break;
00592             /* XXX Make sure that findNextArg deletes only next arg. */
00593             if (a == NULL) {
00594                 if ((a = findNextArg(con, 1U, 1)) == NULL)
00595                     /*@switchbreak@*/ break;
00596             }
00597             s += 3;
00598 
00599             alen = strlen(a);
00600             tn += alen;
00601             *te = '\0';
00602             t = realloc(t, tn);
00603             te = t + strlen(t);
00604             strncpy(te, a, alen); te += alen;
00605             continue;
00606             /*@notreached@*/ /*@switchbreak@*/ break;
00607         default:
00608             /*@switchbreak@*/ break;
00609         }
00610         *te++ = c;
00611     }
00612     *te = '\0';
00613     t = realloc(t, strlen(t) + 1);      /* XXX memory leak, hard to plug */
00614     return t;
00615 }
00616 
00617 static void poptStripArg(/*@special@*/ poptContext con, int which)
00618         /*@uses con->arg_strip, con->optionStack @*/
00619         /*@defines con->arg_strip @*/
00620         /*@modifies con @*/
00621 {
00622 /*@-sizeoftype@*/
00623     if (con->arg_strip == NULL)
00624         con->arg_strip = PBM_ALLOC(con->optionStack[0].argc);
00625     if (con->arg_strip != NULL)         /* XXX can't happen */
00626     PBM_SET(which, con->arg_strip);
00627 /*@=sizeoftype@*/
00628 /*@-compdef@*/ /* LCL: con->arg_strip undefined? */
00629     return;
00630 /*@=compdef@*/
00631 }
00632 
00633 /*@unchecked@*/
00634 static unsigned int seed = 0;
00635 
00636 /*@-bitwisesigned@*/    /* LCL: logical ops with unsigned. */
00637 int poptSaveLong(long * arg, unsigned int argInfo, long aLong)
00638 {
00639     /* XXX Check alignment, may fail on funky platforms. */
00640     if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1)))
00641         return POPT_ERROR_NULLARG;
00642 
00643     if (aLong != 0 && argInfo & POPT_ARGFLAG_RANDOM) {
00644         if (!seed) {
00645             srandom((unsigned)getpid());
00646             srandom((unsigned)random());
00647         }
00648         aLong = random() % (aLong > 0 ? aLong : -aLong);
00649         aLong++;
00650     }
00651     if (argInfo & POPT_ARGFLAG_NOT)
00652         aLong = ~aLong;
00653     switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
00654     case 0:
00655         *arg = aLong;
00656         break;
00657     case POPT_ARGFLAG_OR:
00658         *arg |= aLong;
00659         break;
00660     case POPT_ARGFLAG_AND:
00661         *arg &= aLong;
00662         break;
00663     case POPT_ARGFLAG_XOR:
00664         *arg ^= aLong;
00665         break;
00666     default:
00667         return POPT_ERROR_BADOPERATION;
00668         /*@notreached@*/ break;
00669     }
00670     return 0;
00671 }
00672 /*@=bitwisesigned@*/
00673 
00674 /*@-bitwisesigned@*/    /* LCL: logical ops with unsigned. */
00675 int poptSaveInt(/*@null@*/ int * arg, unsigned int argInfo, long aLong)
00676 {
00677     /* XXX Check alignment, may fail on funky platforms. */
00678     if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1)))
00679         return POPT_ERROR_NULLARG;
00680 
00681     if (aLong != 0 && argInfo & POPT_ARGFLAG_RANDOM) {
00682         if (!seed) {
00683             srandom((unsigned)getpid());
00684             srandom((unsigned)random());
00685         }
00686         aLong = random() % (aLong > 0 ? aLong : -aLong);
00687         aLong++;
00688     }
00689     if (argInfo & POPT_ARGFLAG_NOT)
00690         aLong = ~aLong;
00691     switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
00692     case 0:
00693         *arg = aLong;
00694         break;
00695     case POPT_ARGFLAG_OR:
00696         *arg |= aLong;
00697         break;
00698     case POPT_ARGFLAG_AND:
00699         *arg &= aLong;
00700         break;
00701     case POPT_ARGFLAG_XOR:
00702         *arg ^= aLong;
00703         break;
00704     default:
00705         return POPT_ERROR_BADOPERATION;
00706         /*@notreached@*/ break;
00707     }
00708     return 0;
00709 }
00710 /*@=bitwisesigned@*/
00711 
00712 /* returns 'val' element, -1 on last item, POPT_ERROR_* on error */
00713 int poptGetNextOpt(poptContext con)
00714 {
00715     const struct poptOption * opt = NULL;
00716     int done = 0;
00717 
00718     if (con == NULL)
00719         return -1;
00720     while (!done) {
00721         const char * origOptString = NULL;
00722         poptCallbackType cb = NULL;
00723         const void * cbData = NULL;
00724         const char * longArg = NULL;
00725         int canstrip = 0;
00726         int shorty = 0;
00727 
00728         while (!con->os->nextCharArg && con->os->next == con->os->argc
00729                 && con->os > con->optionStack) {
00730             cleanOSE(con->os--);
00731         }
00732         if (!con->os->nextCharArg && con->os->next == con->os->argc) {
00733             invokeCallbacksPOST(con, con->options);
00734 
00735             if (con->maincall) {
00736                 /*@-noeffectuncon @*/
00737                 (void) (*con->maincall) (con->finalArgvCount, con->finalArgv);
00738                 /*@=noeffectuncon @*/
00739                 return -1;
00740             }
00741 
00742             if (con->doExec) return execCommand(con);
00743             return -1;
00744         }
00745 
00746         /* Process next long option */
00747         if (!con->os->nextCharArg) {
00748             const char * optString;
00749             int optStringLen;
00750             int thisopt;
00751 
00752 /*@-sizeoftype@*/
00753             if (con->os->argb && PBM_ISSET(con->os->next, con->os->argb)) {
00754                 con->os->next++;
00755                 continue;
00756             }
00757 /*@=sizeoftype@*/
00758             thisopt = con->os->next;
00759             if (con->os->argv != NULL)  /* XXX can't happen */
00760             origOptString = con->os->argv[con->os->next++];
00761 
00762             if (origOptString == NULL)  /* XXX can't happen */
00763                 return POPT_ERROR_BADOPT;
00764 
00765             if (con->restLeftover || *origOptString != '-' ||
00766                 (*origOptString == '-' && origOptString[1] == '\0'))
00767             {
00768                 if (con->flags & POPT_CONTEXT_POSIXMEHARDER)
00769                     con->restLeftover = 1;
00770                 if (con->flags & POPT_CONTEXT_ARG_OPTS) {
00771                     con->os->nextArg = xstrdup(origOptString);
00772                     return 0;
00773                 }
00774                 if (con->leftovers != NULL)     /* XXX can't happen */
00775                     con->leftovers[con->numLeftovers++] = origOptString;
00776                 continue;
00777             }
00778 
00779             /* Make a copy we can hack at */
00780             optString = origOptString;
00781 
00782             if (optString[0] == '\0')
00783                 return POPT_ERROR_BADOPT;
00784 
00785             if (optString[1] == '-' && !optString[2]) {
00786                 con->restLeftover = 1;
00787                 continue;
00788             } else {
00789                 const char *oe;
00790                 int singleDash;
00791 
00792                 optString++;
00793                 if (*optString == '-')
00794                     singleDash = 0, optString++;
00795                 else
00796                     singleDash = 1;
00797 
00798                 /* XXX aliases with arg substitution need "--alias=arg" */
00799                 if (handleAlias(con, optString, '\0', NULL))
00800                     continue;
00801 
00802                 if (handleExec(con, optString, '\0'))
00803                     continue;
00804 
00805                 /* Check for "--long=arg" option. */
00806                 for (oe = optString; *oe && *oe != '='; oe++)
00807                     {};
00808                 optStringLen = oe - optString;
00809                 if (*oe == '=')
00810                     longArg = oe + 1;
00811 
00812                 opt = findOption(con->options, optString, optStringLen, '\0', &cb, &cbData,
00813                                  singleDash);
00814                 if (!opt && !singleDash)
00815                     return POPT_ERROR_BADOPT;
00816             }
00817 
00818             if (!opt) {
00819                 con->os->nextCharArg = origOptString + 1;
00820             } else {
00821                 if (con->os == con->optionStack &&
00822                    opt->argInfo & POPT_ARGFLAG_STRIP)
00823                 {
00824                     canstrip = 1;
00825                     poptStripArg(con, thisopt);
00826                 }
00827                 shorty = 0;
00828             }
00829         }
00830 
00831         /* Process next short option */
00832         if (con->os->nextCharArg) {
00833             origOptString = con->os->nextCharArg;
00834 
00835             con->os->nextCharArg = NULL;
00836 
00837             if (handleAlias(con, NULL, *origOptString, origOptString + 1))
00838                 continue;
00839 
00840             if (handleExec(con, NULL, *origOptString)) {
00841                 /* Restore rest of short options for further processing */
00842                 origOptString++;
00843                 if (*origOptString != '\0')
00844                     con->os->nextCharArg = origOptString;
00845                 continue;
00846             }
00847 
00848             opt = findOption(con->options, NULL, 0, *origOptString, &cb,
00849                              &cbData, 0);
00850             if (!opt)
00851                 return POPT_ERROR_BADOPT;
00852             shorty = 1;
00853 
00854             origOptString++;
00855             if (*origOptString != '\0')
00856                 con->os->nextCharArg = origOptString;
00857         }
00858 
00859         if (opt == NULL) return POPT_ERROR_BADOPT;      /* XXX can't happen */
00860         if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE) {
00861             if (poptSaveInt((int *)opt->arg, opt->argInfo, 1L))
00862                 return POPT_ERROR_BADOPERATION;
00863         } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL) {
00864             if (opt->arg) {
00865                 if (poptSaveInt((int *)opt->arg, opt->argInfo, (long)opt->val))
00866                     return POPT_ERROR_BADOPERATION;
00867             }
00868         } else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) {
00869             con->os->nextArg = _free(con->os->nextArg);
00870             if (longArg) {
00871                 longArg = expandNextArg(con, longArg);
00872                 con->os->nextArg = (char *) longArg;
00873             } else if (con->os->nextCharArg) {
00874                 longArg = expandNextArg(con, con->os->nextCharArg);
00875                 con->os->nextArg = (char *) longArg;
00876                 con->os->nextCharArg = NULL;
00877             } else {
00878                 while (con->os->next == con->os->argc &&
00879                        con->os > con->optionStack) {
00880                     cleanOSE(con->os--);
00881                 }
00882                 if (con->os->next == con->os->argc) {
00883                     if (!(opt->argInfo & POPT_ARGFLAG_OPTIONAL))
00884                         return POPT_ERROR_NOARG;
00885                     con->os->nextArg = NULL;
00886                 } else {
00887 
00888                     /*
00889                      * Make sure this isn't part of a short arg or the
00890                      * result of an alias expansion.
00891                      */
00892                     if (con->os == con->optionStack &&
00893                         (opt->argInfo & POPT_ARGFLAG_STRIP) &&
00894                         canstrip) {
00895                         poptStripArg(con, con->os->next);
00896                     }
00897                 
00898                     if (con->os->argv != NULL) {        /* XXX can't happen */
00899                         if (opt->argInfo & POPT_ARGFLAG_OPTIONAL &&
00900                             con->os->argv[con->os->next][0] == '-') {
00901                             con->os->nextArg = NULL;
00902                         } else {
00903                             /* XXX watchout: subtle side-effects live here. */
00904                             longArg = con->os->argv[con->os->next++];
00905                             longArg = expandNextArg(con, longArg);
00906                             con->os->nextArg = (char *) longArg;
00907                         }
00908                     }
00909                 }
00910             }
00911             longArg = NULL;
00912 
00913             if (opt->arg) {
00914                 switch (opt->argInfo & POPT_ARG_MASK) {
00915                 case POPT_ARG_STRING:
00916                     /* XXX memory leak, hard to plug */
00917                     *((const char **) opt->arg) = (con->os->nextArg)
00918                         ? xstrdup(con->os->nextArg) : NULL;
00919                     /*@switchbreak@*/ break;
00920 
00921                 case POPT_ARG_INT:
00922                 case POPT_ARG_LONG:
00923                 {   long aLong = 0;
00924                     char *end;
00925 
00926                     if (con->os->nextArg) {
00927                         aLong = strtol(con->os->nextArg, &end, 0);
00928                         if (!(end && *end == '\0'))
00929                             return POPT_ERROR_BADNUMBER;
00930                     }
00931 
00932                     if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_LONG) {
00933                         if (aLong == LONG_MIN || aLong == LONG_MAX)
00934                             return POPT_ERROR_OVERFLOW;
00935                         if (poptSaveLong((long *)opt->arg, opt->argInfo, aLong))
00936                             return POPT_ERROR_BADOPERATION;
00937                     } else {
00938                         if (aLong > INT_MAX || aLong < INT_MIN)
00939                             return POPT_ERROR_OVERFLOW;
00940                         if (poptSaveInt((int *)opt->arg, opt->argInfo, aLong))
00941                             return POPT_ERROR_BADOPERATION;
00942                     }
00943                 }   /*@switchbreak@*/ break;
00944 
00945                 case POPT_ARG_FLOAT:
00946                 case POPT_ARG_DOUBLE:
00947                 {   double aDouble = 0.0;
00948                     char *end;
00949 
00950                     if (con->os->nextArg) {
00951 /*@-mods@*/
00952                         int saveerrno = errno;
00953                         errno = 0;
00954                         aDouble = strtod(con->os->nextArg, &end);
00955                         if (errno == ERANGE)
00956                             return POPT_ERROR_OVERFLOW;
00957                         errno = saveerrno;
00958 /*@=mods@*/
00959                         if (*end != '\0')
00960                             return POPT_ERROR_BADNUMBER;
00961                     }
00962 
00963                     if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_DOUBLE) {
00964                         *((double *) opt->arg) = aDouble;
00965                     } else {
00966 #define _ABS(a) ((((a) - 0.0) < DBL_EPSILON) ? -(a) : (a))
00967                         if ((_ABS(aDouble) - FLT_MAX) > DBL_EPSILON)
00968                             return POPT_ERROR_OVERFLOW;
00969                         if ((FLT_MIN - _ABS(aDouble)) > DBL_EPSILON)
00970                             return POPT_ERROR_OVERFLOW;
00971                         *((float *) opt->arg) = aDouble;
00972                     }
00973                 }   /*@switchbreak@*/ break;
00974                 case POPT_ARG_MAINCALL:
00975 /*@-type@*/
00976                     con->maincall = opt->arg;
00977 /*@=type@*/
00978                     /*@switchbreak@*/ break;
00979                 default:
00980                     fprintf(stdout,
00981                         POPT_("option type (%d) not implemented in popt\n"),
00982                         (opt->argInfo & POPT_ARG_MASK));
00983                     exit(EXIT_FAILURE);
00984                     /*@notreached@*/ /*@switchbreak@*/ break;
00985                 }
00986             }
00987         }
00988 
00989         if (cb)
00990             invokeCallbacksOPTION(con, con->options, opt, cbData, shorty);
00991         else if (opt->val && ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_VAL))
00992             done = 1;
00993 
00994         if ((con->finalArgvCount + 2) >= (con->finalArgvAlloced)) {
00995             con->finalArgvAlloced += 10;
00996             con->finalArgv = realloc(con->finalArgv,
00997                             sizeof(*con->finalArgv) * con->finalArgvAlloced);
00998         }
00999 
01000         if (con->finalArgv != NULL)
01001         {   char *s = malloc((opt->longName ? strlen(opt->longName) : 0) + 3);
01002             if (s != NULL) {    /* XXX can't happen */
01003                 if (opt->longName)
01004                     sprintf(s, "%s%s",
01005                         ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
01006                         opt->longName);
01007                 else
01008                     sprintf(s, "-%c", opt->shortName);
01009                 con->finalArgv[con->finalArgvCount++] = s;
01010             } else
01011                 con->finalArgv[con->finalArgvCount++] = NULL;
01012         }
01013 
01014         if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE)
01015             /*@-ifempty@*/ ; /*@=ifempty@*/
01016         else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL)
01017             /*@-ifempty@*/ ; /*@=ifempty@*/
01018         else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) {
01019             if (con->finalArgv != NULL && con->os->nextArg != NULL)
01020                 con->finalArgv[con->finalArgvCount++] =
01021                         xstrdup(con->os->nextArg);
01022         }
01023     }
01024 
01025     return (opt ? opt->val : -1);       /* XXX can't happen */
01026 }
01027 
01028 char * poptGetOptArg(poptContext con)
01029 {
01030     char * ret = NULL;
01031     if (con) {
01032         ret = con->os->nextArg;
01033         con->os->nextArg = NULL;
01034     }
01035     return ret;
01036 }
01037 
01038 const char * poptGetArg(poptContext con)
01039 {
01040     const char * ret = NULL;
01041     if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers)
01042         ret = con->leftovers[con->nextLeftover++];
01043     return ret;
01044 }
01045 
01046 const char * poptPeekArg(poptContext con)
01047 {
01048     const char * ret = NULL;
01049     if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers)
01050         ret = con->leftovers[con->nextLeftover];
01051     return ret;
01052 }
01053 
01054 const char ** poptGetArgs(poptContext con)
01055 {
01056     if (con == NULL ||
01057         con->leftovers == NULL || con->numLeftovers == con->nextLeftover)
01058         return NULL;
01059 
01060     /* some apps like [like RPM ;-) ] need this NULL terminated */
01061     con->leftovers[con->numLeftovers] = NULL;
01062 
01063 /*@-nullret -nullstate @*/      /* FIX: typedef double indirection. */
01064     return (con->leftovers + con->nextLeftover);
01065 /*@=nullret =nullstate @*/
01066 }
01067 
01068 poptContext poptFreeContext(poptContext con)
01069 {
01070     poptItem item;
01071     int i;
01072 
01073     if (con == NULL) return con;
01074     poptResetContext(con);
01075     con->os->argb = _free(con->os->argb);
01076 
01077     if (con->aliases != NULL)
01078     for (i = 0; i < con->numAliases; i++) {
01079         item = con->aliases + i;
01080 /*@-modobserver -observertrans -dependenttrans@*/
01081         item->option.longName = _free(item->option.longName);
01082         item->option.descrip = _free(item->option.descrip);
01083         item->option.argDescrip = _free(item->option.argDescrip);
01084 /*@=modobserver =observertrans =dependenttrans@*/
01085         item->argv = _free(item->argv);
01086     }
01087     con->aliases = _free(con->aliases);
01088 
01089     if (con->execs != NULL)
01090     for (i = 0; i < con->numExecs; i++) {
01091         item = con->execs + i;
01092 /*@-modobserver -observertrans -dependenttrans@*/
01093         item->option.longName = _free(item->option.longName);
01094         item->option.descrip = _free(item->option.descrip);
01095         item->option.argDescrip = _free(item->option.argDescrip);
01096 /*@=modobserver =observertrans =dependenttrans@*/
01097         item->argv = _free(item->argv);
01098     }
01099     con->execs = _free(con->execs);
01100 
01101     con->leftovers = _free(con->leftovers);
01102     con->finalArgv = _free(con->finalArgv);
01103     con->appName = _free(con->appName);
01104     con->otherHelp = _free(con->otherHelp);
01105     con->execPath = _free(con->execPath);
01106     con->arg_strip = PBM_FREE(con->arg_strip);
01107     
01108     con = _free(con);
01109     return con;
01110 }
01111 
01112 int poptAddAlias(poptContext con, struct poptAlias alias,
01113                 /*@unused@*/ int flags)
01114 {
01115     struct poptItem_s item_buf;
01116     poptItem item = &item_buf;
01117     memset(item, 0, sizeof(*item));
01118     item->option.longName = alias.longName;
01119     item->option.shortName = alias.shortName;
01120     item->option.argInfo = POPT_ARGFLAG_DOC_HIDDEN;
01121     item->option.arg = 0;
01122     item->option.val = 0;
01123     item->option.descrip = NULL;
01124     item->option.argDescrip = NULL;
01125     item->argc = alias.argc;
01126     item->argv = alias.argv;
01127     return poptAddItem(con, item, 0);
01128 }
01129 
01130 int poptAddItem(poptContext con, poptItem newItem, int flags)
01131 {
01132     poptItem * items, item;
01133     int * nitems;
01134 
01135     switch (flags) {
01136     case 1:
01137         items = &con->execs;
01138         nitems = &con->numExecs;
01139         break;
01140     case 0:
01141         items = &con->aliases;
01142         nitems = &con->numAliases;
01143         break;
01144     default:
01145         return 1;
01146         /*@notreached@*/ break;
01147     }
01148 
01149     *items = realloc((*items), ((*nitems) + 1) * sizeof(**items));
01150     if ((*items) == NULL)
01151         return 1;
01152 
01153     item = (*items) + (*nitems);
01154 
01155     item->option.longName =
01156         (newItem->option.longName ? xstrdup(newItem->option.longName) : NULL);
01157     item->option.shortName = newItem->option.shortName;
01158     item->option.argInfo = newItem->option.argInfo;
01159     item->option.arg = newItem->option.arg;
01160     item->option.val = newItem->option.val;
01161     item->option.descrip =
01162         (newItem->option.descrip ? xstrdup(newItem->option.descrip) : NULL);
01163     item->option.argDescrip =
01164        (newItem->option.argDescrip ? xstrdup(newItem->option.argDescrip) : NULL);
01165     item->argc = newItem->argc;
01166     item->argv = newItem->argv;
01167 
01168     (*nitems)++;
01169 
01170     return 0;
01171 }
01172 
01173 const char * poptBadOption(poptContext con, unsigned int flags)
01174 {
01175     struct optionStackEntry * os = NULL;
01176 
01177     if (con != NULL)
01178         os = (flags & POPT_BADOPTION_NOALIAS) ? con->optionStack : con->os;
01179 
01180     return (os != NULL && os->argv != NULL ? os->argv[os->next - 1] : NULL);
01181 }
01182 
01183 const char * poptStrerror(const int error)
01184 {
01185     switch (error) {
01186       case POPT_ERROR_NOARG:
01187         return POPT_("missing argument");
01188       case POPT_ERROR_BADOPT:
01189         return POPT_("unknown option");
01190       case POPT_ERROR_BADOPERATION:
01191         return POPT_("mutually exclusive logical operations requested");
01192       case POPT_ERROR_NULLARG:
01193         return POPT_("opt->arg should not be NULL");
01194       case POPT_ERROR_OPTSTOODEEP:
01195         return POPT_("aliases nested too deeply");
01196       case POPT_ERROR_BADQUOTE:
01197         return POPT_("error in parameter quoting");
01198       case POPT_ERROR_BADNUMBER:
01199         return POPT_("invalid numeric value");
01200       case POPT_ERROR_OVERFLOW:
01201         return POPT_("number too large or too small");
01202       case POPT_ERROR_MALLOC:
01203         return POPT_("memory allocation failed");
01204       case POPT_ERROR_ERRNO:
01205         return strerror(errno);
01206       default:
01207         return POPT_("unknown error");
01208     }
01209 }
01210 
01211 int poptStuffArgs(poptContext con, const char ** argv)
01212 {
01213     int argc;
01214     int rc;
01215 
01216     if ((con->os - con->optionStack) == POPT_OPTION_DEPTH)
01217         return POPT_ERROR_OPTSTOODEEP;
01218 
01219     for (argc = 0; argv[argc]; argc++)
01220         {};
01221 
01222     con->os++;
01223     con->os->next = 0;
01224     con->os->nextArg = NULL;
01225     con->os->nextCharArg = NULL;
01226     con->os->currAlias = NULL;
01227     rc = poptDupArgv(argc, argv, &con->os->argc, &con->os->argv);
01228     con->os->argb = NULL;
01229     con->os->stuffed = 1;
01230 
01231     return rc;
01232 }
01233 
01234 const char * poptGetInvocationName(poptContext con)
01235 {
01236     return (con->os->argv ? con->os->argv[0] : "");
01237 }
01238 
01239 int poptStrippedArgv(poptContext con, int argc, char ** argv)
01240 {
01241     int numargs = argc;
01242     int j = 1;
01243     int i;
01244     
01245 /*@-sizeoftype@*/
01246     if (con->arg_strip)
01247     for (i = 1; i < argc; i++) {
01248         if (PBM_ISSET(i, con->arg_strip))
01249             numargs--;
01250     }
01251     
01252     for (i = 1; i < argc; i++) {
01253         if (con->arg_strip && PBM_ISSET(i, con->arg_strip))
01254             continue;
01255         argv[j] = (j < numargs) ? argv[i] : NULL;
01256         j++;
01257     }
01258 /*@=sizeoftype@*/
01259     
01260     return numargs;
01261 }

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