00001
00005
00006
00007
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
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
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
00060 return;
00061
00062 }
00063
00064 static void invokeCallbacksPRE(poptContext con, const struct poptOption * opt)
00065
00066
00067 {
00068 if (opt != NULL)
00069 for (; opt->longName || opt->shortName || opt->arg; opt++) {
00070 if (opt->arg == NULL) continue;
00071 if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
00072 void * arg = opt->arg;
00073
00074 if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
00075
00076 invokeCallbacksPRE(con, arg);
00077 } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
00078 (opt->argInfo & POPT_CBFLAG_PRE))
00079 {
00080 poptCallbackType cb = (poptCallbackType)opt->arg;
00081
00082
00083
00084 cb(con, POPT_CALLBACK_REASON_PRE, NULL, NULL, opt->descrip);
00085
00086 }
00087 }
00088 }
00089
00090 static void invokeCallbacksPOST(poptContext con, const struct poptOption * opt)
00091
00092
00093 {
00094 if (opt != NULL)
00095 for (; opt->longName || opt->shortName || opt->arg; opt++) {
00096 if (opt->arg == NULL) continue;
00097 if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
00098 void * arg = opt->arg;
00099
00100 if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
00101
00102 invokeCallbacksPOST(con, arg);
00103 } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
00104 (opt->argInfo & POPT_CBFLAG_POST))
00105 {
00106 poptCallbackType cb = (poptCallbackType)opt->arg;
00107
00108
00109
00110 cb(con, POPT_CALLBACK_REASON_POST, NULL, NULL, opt->descrip);
00111
00112 }
00113 }
00114 }
00115
00116 static void invokeCallbacksOPTION(poptContext con,
00117 const struct poptOption * opt,
00118 const struct poptOption * myOpt,
00119 const void * myData, int shorty)
00120
00121
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
00130 if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
00131
00132 if (opt->arg != NULL)
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
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 {
00145 poptCallbackType cb = (poptCallbackType)cbopt->arg;
00146
00147 const void * cbData = (cbopt->descrip ? cbopt->descrip : myData);
00148
00149 if (cb != NULL) {
00150
00151 cb(con, POPT_CALLBACK_REASON_OPTION, myOpt,
00152 con->os->nextArg, cbData);
00153
00154 }
00155
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;
00168 memset(con, 0, sizeof(*con));
00169
00170 con->os = con->optionStack;
00171 con->os->argc = argc;
00172
00173 con->os->argv = argv;
00174
00175 con->os->argb = NULL;
00176
00177 if (!(flags & POPT_CONTEXT_KEEP_FIRST))
00178 con->os->next = 1;
00179
00180 con->leftovers = calloc( (argc + 1), sizeof(*con->leftovers) );
00181
00182 con->options = options;
00183
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
00203 invokeCallbacksPRE(con, con->options);
00204
00205
00206 return con;
00207 }
00208
00209 static void cleanOSE( struct optionStackEntry *os)
00210
00211
00212
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;
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
00241 con->finalArgv[i] = _free(con->finalArgv[i]);
00242
00243 }
00244
00245 con->finalArgvCount = 0;
00246 con->arg_strip = PBM_FREE(con->arg_strip);
00247
00248 return;
00249
00250 }
00251
00252
00253 static int handleExec( poptContext con,
00254 const char * longName, char shortName)
00255
00256
00257
00258 {
00259 poptItem item;
00260 int i;
00261
00262 if (con->execs == NULL || con->numExecs <= 0)
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
00286
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)
00295 { char *s = malloc((longName ? strlen(longName) : 0) + 3);
00296 if (s != NULL) {
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
00310 static int handleAlias( poptContext con,
00311 const char * longName, char shortName,
00312 const char * nextCharArg)
00313
00314
00315
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)
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
00364
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)
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
00421
00422
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 ;
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
00450 rc = execvp(argv[0], (char *const *)argv);
00451
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 static const struct poptOption *
00463 findOption(const struct poptOption * opt, const char * longName, int longNameLen,
00464 char shortName,
00465 poptCallbackType * callback,
00466 const void ** callbackData,
00467 int singleDash)
00468
00469 {
00470 const struct poptOption * cb = NULL;
00471
00472
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
00483 if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
00484
00485 if (arg == NULL) continue;
00486 opt2 = findOption(arg, longName, longNameLen, shortName, callback,
00487 callbackData, singleDash);
00488 if (opt2 == NULL) continue;
00489
00490 if (!(callback && *callback)) return opt2;
00491 if (!(callbackData && *callbackData == NULL)) return opt2;
00492
00493 *callbackData = opt->descrip;
00494
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
00512 if (callback) *callback = NULL;
00513 if (callbackData) *callbackData = NULL;
00514 if (cb) {
00515 if (callback)
00516
00517 *callback = (poptCallbackType)cb->arg;
00518
00519 if (!(cb->argInfo & POPT_CBFLAG_INC_DATA)) {
00520 if (callbackData)
00521
00522 *callbackData = cb->descrip;
00523
00524 }
00525 }
00526
00527
00528 return opt;
00529 }
00530
00531 static const char * findNextArg( poptContext con,
00532 unsigned argx, int delete_arg)
00533
00534
00535
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
00548 if (os->argb && PBM_ISSET(i, os->argb))
00549 continue;
00550 if (*os->argv[i] == '-')
00551 continue;
00552 if (--argx > 0)
00553 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)
00558 PBM_SET(i, os->argb);
00559 }
00560 break;
00561
00562 }
00563 if (os > con->optionStack) os--;
00564 } while (arg == NULL);
00565 return arg;
00566 }
00567
00568 static const char *
00569 expandNextArg( poptContext con, const char * s)
00570
00571
00572
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;
00582 while ((c = *s++) != '\0') {
00583 switch (c) {
00584 #if 0
00585 case '\\':
00586 c = *s++;
00587 break;
00588 #endif
00589 case '!':
00590 if (!(s[0] == '#' && s[1] == ':' && s[2] == '+'))
00591 break;
00592
00593 if (a == NULL) {
00594 if ((a = findNextArg(con, 1U, 1)) == NULL)
00595 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 break;
00607 default:
00608 break;
00609 }
00610 *te++ = c;
00611 }
00612 *te = '\0';
00613 t = realloc(t, strlen(t) + 1);
00614 return t;
00615 }
00616
00617 static void poptStripArg( poptContext con, int which)
00618
00619
00620
00621 {
00622
00623 if (con->arg_strip == NULL)
00624 con->arg_strip = PBM_ALLOC(con->optionStack[0].argc);
00625 if (con->arg_strip != NULL)
00626 PBM_SET(which, con->arg_strip);
00627
00628
00629 return;
00630
00631 }
00632
00633
00634 static unsigned int seed = 0;
00635
00636
00637 int poptSaveLong(long * arg, unsigned int argInfo, long aLong)
00638 {
00639
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 break;
00669 }
00670 return 0;
00671 }
00672
00673
00674
00675 int poptSaveInt( int * arg, unsigned int argInfo, long aLong)
00676 {
00677
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 break;
00707 }
00708 return 0;
00709 }
00710
00711
00712
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
00737 (void) (*con->maincall) (con->finalArgvCount, con->finalArgv);
00738
00739 return -1;
00740 }
00741
00742 if (con->doExec) return execCommand(con);
00743 return -1;
00744 }
00745
00746
00747 if (!con->os->nextCharArg) {
00748 const char * optString;
00749 int optStringLen;
00750 int thisopt;
00751
00752
00753 if (con->os->argb && PBM_ISSET(con->os->next, con->os->argb)) {
00754 con->os->next++;
00755 continue;
00756 }
00757
00758 thisopt = con->os->next;
00759 if (con->os->argv != NULL)
00760 origOptString = con->os->argv[con->os->next++];
00761
00762 if (origOptString == NULL)
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)
00775 con->leftovers[con->numLeftovers++] = origOptString;
00776 continue;
00777 }
00778
00779
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
00799 if (handleAlias(con, optString, '\0', NULL))
00800 continue;
00801
00802 if (handleExec(con, optString, '\0'))
00803 continue;
00804
00805
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
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
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;
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
00890
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) {
00899 if (opt->argInfo & POPT_ARGFLAG_OPTIONAL &&
00900 con->os->argv[con->os->next][0] == '-') {
00901 con->os->nextArg = NULL;
00902 } else {
00903
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
00917 *((const char **) opt->arg) = (con->os->nextArg)
00918 ? xstrdup(con->os->nextArg) : NULL;
00919 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 } 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
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
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 } break;
00974 case POPT_ARG_MAINCALL:
00975
00976 con->maincall = opt->arg;
00977
00978 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 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) {
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 ;
01016 else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL)
01017 ;
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);
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
01061 con->leftovers[con->numLeftovers] = NULL;
01062
01063
01064 return (con->leftovers + con->nextLeftover);
01065
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
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
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
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
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 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 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
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
01259
01260 return numargs;
01261 }