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

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