Commit | Line | Data |
---|---|---|
cc248aae WD |
1 | /** \ingroup popt |
2 | * \file popt/popt.c | |
3 | */ | |
4 | ||
bc93ee84 | 5 | /* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING |
b348deae | 6 | file accompanying popt source distributions, available from |
cc248aae WD |
7 | ftp://ftp.rpm.org/pub/rpm/dist */ |
8 | ||
9 | #undef MYDEBUG | |
62402cb1 | 10 | |
b348deae | 11 | #include "system.h" |
cc248aae WD |
12 | |
13 | #if HAVE_FLOAT_H | |
14 | #include <float.h> | |
15 | #endif | |
16 | #include <math.h> | |
17 | ||
62402cb1 | 18 | #include "findme.h" |
62402cb1 MP |
19 | #include "poptint.h" |
20 | ||
684576ff WD |
21 | #ifndef DBL_EPSILON |
22 | #define DBL_EPSILON 2.2204460492503131e-16 | |
23 | #endif | |
24 | ||
bc93ee84 WD |
25 | #ifdef MYDEBUG |
26 | /*@unchecked@*/ | |
27 | int _popt_debug = 0; | |
28 | #endif | |
29 | ||
30 | #if !defined(HAVE_STRERROR) && !defined(__LCLINT__) | |
31 | static char * strerror(int errno) | |
32 | { | |
62402cb1 MP |
33 | extern int sys_nerr; |
34 | extern char * sys_errlist[]; | |
35 | ||
36 | if ((0 <= errno) && (errno < sys_nerr)) | |
37 | return sys_errlist[errno]; | |
38 | else | |
39 | return POPT_("unknown errno"); | |
40 | } | |
41 | #endif | |
42 | ||
cc248aae | 43 | #ifdef MYDEBUG |
bc93ee84 WD |
44 | /*@unused@*/ |
45 | static void prtcon(const char *msg, poptContext con) | |
cc248aae WD |
46 | { |
47 | if (msg) fprintf(stderr, "%s", msg); | |
48 | fprintf(stderr, "\tcon %p os %p nextCharArg \"%s\" nextArg \"%s\" argv[%d] \"%s\"\n", | |
49 | con, con->os, | |
50 | (con->os->nextCharArg ? con->os->nextCharArg : ""), | |
51 | (con->os->nextArg ? con->os->nextArg : ""), | |
52 | con->os->next, | |
53 | (con->os->argv && con->os->argv[con->os->next] | |
54 | ? con->os->argv[con->os->next] : "")); | |
55 | } | |
56 | #endif | |
57 | ||
58 | void poptSetExecPath(poptContext con, const char * path, int allowAbsolute) | |
59 | { | |
60 | con->execPath = _free(con->execPath); | |
b348deae | 61 | con->execPath = xstrdup(path); |
62402cb1 | 62 | con->execAbsolute = allowAbsolute; |
bc93ee84 | 63 | /*@-nullstate@*/ /* LCL: con->execPath not NULL */ |
cc248aae WD |
64 | return; |
65 | /*@=nullstate@*/ | |
62402cb1 MP |
66 | } |
67 | ||
cc248aae WD |
68 | static void invokeCallbacksPRE(poptContext con, const struct poptOption * opt) |
69 | /*@globals internalState@*/ | |
70 | /*@modifies internalState@*/ | |
71 | { | |
72 | if (opt != NULL) | |
73 | for (; opt->longName || opt->shortName || opt->arg; opt++) { | |
74 | if (opt->arg == NULL) continue; /* XXX program error. */ | |
75 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) { | |
bc93ee84 WD |
76 | void * arg = opt->arg; |
77 | /*@-branchstate@*/ | |
78 | /* XXX sick hack to preserve pretense of ABI. */ | |
79 | if (arg == poptHelpOptions) arg = poptHelpOptionsI18N; | |
80 | /*@=branchstate@*/ | |
cc248aae | 81 | /* Recurse on included sub-tables. */ |
bc93ee84 | 82 | invokeCallbacksPRE(con, arg); |
cc248aae WD |
83 | } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK && |
84 | (opt->argInfo & POPT_CBFLAG_PRE)) | |
85 | { /*@-castfcnptr@*/ | |
86 | poptCallbackType cb = (poptCallbackType)opt->arg; | |
87 | /*@=castfcnptr@*/ | |
88 | /* Perform callback. */ | |
bc93ee84 | 89 | /*@-noeffectuncon @*/ |
cc248aae | 90 | cb(con, POPT_CALLBACK_REASON_PRE, NULL, NULL, opt->descrip); |
bc93ee84 | 91 | /*@=noeffectuncon @*/ |
cc248aae WD |
92 | } |
93 | } | |
94 | } | |
b348deae | 95 | |
cc248aae WD |
96 | static void invokeCallbacksPOST(poptContext con, const struct poptOption * opt) |
97 | /*@globals internalState@*/ | |
98 | /*@modifies internalState@*/ | |
99 | { | |
100 | if (opt != NULL) | |
101 | for (; opt->longName || opt->shortName || opt->arg; opt++) { | |
102 | if (opt->arg == NULL) continue; /* XXX program error. */ | |
62402cb1 | 103 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) { |
bc93ee84 WD |
104 | void * arg = opt->arg; |
105 | /*@-branchstate@*/ | |
106 | /* XXX sick hack to preserve pretense of ABI. */ | |
107 | if (arg == poptHelpOptions) arg = poptHelpOptionsI18N; | |
108 | /*@=branchstate@*/ | |
cc248aae | 109 | /* Recurse on included sub-tables. */ |
bc93ee84 | 110 | invokeCallbacksPOST(con, arg); |
cc248aae WD |
111 | } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK && |
112 | (opt->argInfo & POPT_CBFLAG_POST)) | |
113 | { /*@-castfcnptr@*/ | |
114 | poptCallbackType cb = (poptCallbackType)opt->arg; | |
115 | /*@=castfcnptr@*/ | |
116 | /* Perform callback. */ | |
bc93ee84 | 117 | /*@-noeffectuncon @*/ |
cc248aae | 118 | cb(con, POPT_CALLBACK_REASON_POST, NULL, NULL, opt->descrip); |
bc93ee84 | 119 | /*@=noeffectuncon @*/ |
cc248aae WD |
120 | } |
121 | } | |
122 | } | |
123 | ||
124 | static void invokeCallbacksOPTION(poptContext con, | |
125 | const struct poptOption * opt, | |
126 | const struct poptOption * myOpt, | |
127 | /*@null@*/ const void * myData, int shorty) | |
128 | /*@globals internalState@*/ | |
129 | /*@modifies internalState@*/ | |
130 | { | |
131 | const struct poptOption * cbopt = NULL; | |
132 | ||
133 | if (opt != NULL) | |
134 | for (; opt->longName || opt->shortName || opt->arg; opt++) { | |
135 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) { | |
bc93ee84 WD |
136 | void * arg = opt->arg; |
137 | /*@-branchstate@*/ | |
138 | /* XXX sick hack to preserve pretense of ABI. */ | |
139 | if (arg == poptHelpOptions) arg = poptHelpOptionsI18N; | |
140 | /*@=branchstate@*/ | |
cc248aae WD |
141 | /* Recurse on included sub-tables. */ |
142 | if (opt->arg != NULL) /* XXX program error */ | |
143 | invokeCallbacksOPTION(con, opt->arg, myOpt, myData, shorty); | |
144 | } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK && | |
145 | !(opt->argInfo & POPT_CBFLAG_SKIPOPTION)) { | |
146 | /* Save callback info. */ | |
147 | cbopt = opt; | |
148 | } else if (cbopt != NULL && | |
149 | ((myOpt->shortName && opt->shortName && shorty && | |
150 | myOpt->shortName == opt->shortName) || | |
151 | (myOpt->longName && opt->longName && | |
152 | /*@-nullpass@*/ /* LCL: opt->longName != NULL */ | |
153 | !strcmp(myOpt->longName, opt->longName))) | |
154 | /*@=nullpass@*/ | |
155 | ) | |
156 | { /*@-castfcnptr@*/ | |
157 | poptCallbackType cb = (poptCallbackType)cbopt->arg; | |
158 | /*@=castfcnptr@*/ | |
159 | const void * cbData = (cbopt->descrip ? cbopt->descrip : myData); | |
160 | /* Perform callback. */ | |
161 | if (cb != NULL) { /* XXX program error */ | |
bc93ee84 | 162 | /*@-noeffectuncon @*/ |
cc248aae WD |
163 | cb(con, POPT_CALLBACK_REASON_OPTION, myOpt, |
164 | con->os->nextArg, cbData); | |
bc93ee84 | 165 | /*@=noeffectuncon @*/ |
cc248aae WD |
166 | } |
167 | /* Terminate (unless explcitly continuing). */ | |
168 | if (!(cbopt->argInfo & POPT_CBFLAG_CONTINUE)) | |
169 | return; | |
62402cb1 | 170 | } |
62402cb1 MP |
171 | } |
172 | } | |
173 | ||
b348deae | 174 | poptContext poptGetContext(const char * name, int argc, const char ** argv, |
cc248aae WD |
175 | const struct poptOption * options, int flags) |
176 | { | |
62402cb1 MP |
177 | poptContext con = malloc(sizeof(*con)); |
178 | ||
cc248aae | 179 | if (con == NULL) return NULL; /* XXX can't happen */ |
62402cb1 MP |
180 | memset(con, 0, sizeof(*con)); |
181 | ||
182 | con->os = con->optionStack; | |
183 | con->os->argc = argc; | |
cc248aae | 184 | /*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */ |
62402cb1 | 185 | con->os->argv = argv; |
cc248aae | 186 | /*@=dependenttrans =assignexpose@*/ |
b348deae | 187 | con->os->argb = NULL; |
62402cb1 MP |
188 | |
189 | if (!(flags & POPT_CONTEXT_KEEP_FIRST)) | |
190 | con->os->next = 1; /* skip argv[0] */ | |
191 | ||
cc248aae WD |
192 | con->leftovers = calloc( (argc + 1), sizeof(*con->leftovers) ); |
193 | /*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */ | |
62402cb1 | 194 | con->options = options; |
cc248aae | 195 | /*@=dependenttrans =assignexpose@*/ |
b348deae MP |
196 | con->aliases = NULL; |
197 | con->numAliases = 0; | |
62402cb1 | 198 | con->flags = flags; |
b348deae MP |
199 | con->execs = NULL; |
200 | con->numExecs = 0; | |
201 | con->finalArgvAlloced = argc * 2; | |
202 | con->finalArgv = calloc( con->finalArgvAlloced, sizeof(*con->finalArgv) ); | |
62402cb1 | 203 | con->execAbsolute = 1; |
b348deae | 204 | con->arg_strip = NULL; |
62402cb1 MP |
205 | |
206 | if (getenv("POSIXLY_CORRECT") || getenv("POSIX_ME_HARDER")) | |
207 | con->flags |= POPT_CONTEXT_POSIXMEHARDER; | |
b348deae | 208 | |
cc248aae | 209 | if (name) { |
bc93ee84 WD |
210 | size_t bufsize = strlen(name) + 1; |
211 | char * t = malloc(bufsize); | |
212 | if (t) { | |
213 | strlcpy(t, name, bufsize); | |
214 | con->appName = t; | |
215 | } | |
cc248aae | 216 | } |
62402cb1 | 217 | |
cc248aae WD |
218 | /*@-internalglobs@*/ |
219 | invokeCallbacksPRE(con, con->options); | |
220 | /*@=internalglobs@*/ | |
62402cb1 MP |
221 | |
222 | return con; | |
223 | } | |
224 | ||
cc248aae WD |
225 | static void cleanOSE(/*@special@*/ struct optionStackEntry *os) |
226 | /*@uses os @*/ | |
227 | /*@releases os->nextArg, os->argv, os->argb @*/ | |
228 | /*@modifies os @*/ | |
b348deae | 229 | { |
cc248aae WD |
230 | os->nextArg = _free(os->nextArg); |
231 | os->argv = _free(os->argv); | |
232 | os->argb = PBM_FREE(os->argb); | |
b348deae MP |
233 | } |
234 | ||
bc93ee84 | 235 | /*@-boundswrite@*/ |
cc248aae WD |
236 | void poptResetContext(poptContext con) |
237 | { | |
b348deae MP |
238 | int i; |
239 | ||
cc248aae | 240 | if (con == NULL) return; |
b348deae MP |
241 | while (con->os > con->optionStack) { |
242 | cleanOSE(con->os--); | |
243 | } | |
cc248aae | 244 | con->os->argb = PBM_FREE(con->os->argb); |
62402cb1 MP |
245 | con->os->currAlias = NULL; |
246 | con->os->nextCharArg = NULL; | |
247 | con->os->nextArg = NULL; | |
248 | con->os->next = 1; /* skip argv[0] */ | |
249 | ||
250 | con->numLeftovers = 0; | |
251 | con->nextLeftover = 0; | |
252 | con->restLeftover = 0; | |
253 | con->doExec = NULL; | |
b348deae | 254 | |
cc248aae | 255 | if (con->finalArgv != NULL) |
bc93ee84 | 256 | for (i = 0; i < con->finalArgvCount; i++) { |
cc248aae WD |
257 | /*@-unqualifiedtrans@*/ /* FIX: typedef double indirection. */ |
258 | con->finalArgv[i] = _free(con->finalArgv[i]); | |
259 | /*@=unqualifiedtrans@*/ | |
bc93ee84 | 260 | } |
b348deae | 261 | |
62402cb1 | 262 | con->finalArgvCount = 0; |
cc248aae WD |
263 | con->arg_strip = PBM_FREE(con->arg_strip); |
264 | /*@-nullstate@*/ /* FIX: con->finalArgv != NULL */ | |
265 | return; | |
266 | /*@=nullstate@*/ | |
62402cb1 | 267 | } |
bc93ee84 | 268 | /*@=boundswrite@*/ |
62402cb1 | 269 | |
cc248aae | 270 | /* Only one of longName, shortName should be set, not both. */ |
bc93ee84 | 271 | /*@-boundswrite@*/ |
cc248aae WD |
272 | static int handleExec(/*@special@*/ poptContext con, |
273 | /*@null@*/ const char * longName, char shortName) | |
274 | /*@uses con->execs, con->numExecs, con->flags, con->doExec, | |
275 | con->finalArgv, con->finalArgvAlloced, con->finalArgvCount @*/ | |
276 | /*@modifies con @*/ | |
277 | { | |
278 | poptItem item; | |
62402cb1 MP |
279 | int i; |
280 | ||
cc248aae WD |
281 | if (con->execs == NULL || con->numExecs <= 0) /* XXX can't happen */ |
282 | return 0; | |
62402cb1 | 283 | |
cc248aae WD |
284 | for (i = con->numExecs - 1; i >= 0; i--) { |
285 | item = con->execs + i; | |
286 | if (longName && !(item->option.longName && | |
287 | !strcmp(longName, item->option.longName))) | |
288 | continue; | |
289 | else if (shortName != item->option.shortName) | |
290 | continue; | |
291 | break; | |
292 | } | |
62402cb1 MP |
293 | if (i < 0) return 0; |
294 | ||
cc248aae | 295 | |
62402cb1 MP |
296 | if (con->flags & POPT_CONTEXT_NO_EXEC) |
297 | return 1; | |
298 | ||
b348deae | 299 | if (con->doExec == NULL) { |
62402cb1 MP |
300 | con->doExec = con->execs + i; |
301 | return 1; | |
302 | } | |
303 | ||
304 | /* We already have an exec to do; remember this option for next | |
305 | time 'round */ | |
306 | if ((con->finalArgvCount + 1) >= (con->finalArgvAlloced)) { | |
307 | con->finalArgvAlloced += 10; | |
308 | con->finalArgv = realloc(con->finalArgv, | |
309 | sizeof(*con->finalArgv) * con->finalArgvAlloced); | |
310 | } | |
311 | ||
312 | i = con->finalArgvCount++; | |
cc248aae | 313 | if (con->finalArgv != NULL) /* XXX can't happen */ |
bc93ee84 WD |
314 | { size_t bufsize = (longName ? strlen(longName) : 0) + 3; |
315 | char *s = malloc(bufsize); | |
cc248aae WD |
316 | if (s != NULL) { /* XXX can't happen */ |
317 | if (longName) | |
bc93ee84 | 318 | snprintf(s, bufsize, "--%s", longName); |
cc248aae | 319 | else |
bc93ee84 | 320 | snprintf(s, bufsize, "-%c", shortName); |
cc248aae WD |
321 | con->finalArgv[i] = s; |
322 | } else | |
323 | con->finalArgv[i] = NULL; | |
b348deae | 324 | } |
62402cb1 | 325 | |
cc248aae | 326 | /*@-nullstate@*/ /* FIX: con->finalArgv[] == NULL */ |
62402cb1 | 327 | return 1; |
cc248aae | 328 | /*@=nullstate@*/ |
62402cb1 | 329 | } |
bc93ee84 | 330 | /*@=boundswrite@*/ |
62402cb1 MP |
331 | |
332 | /* Only one of longName, shortName may be set at a time */ | |
cc248aae WD |
333 | static int handleAlias(/*@special@*/ poptContext con, |
334 | /*@null@*/ const char * longName, char shortName, | |
bc93ee84 | 335 | /*@exposed@*/ /*@null@*/ const char * nextCharArg) |
cc248aae WD |
336 | /*@uses con->aliases, con->numAliases, con->optionStack, con->os, |
337 | con->os->currAlias, con->os->currAlias->option.longName @*/ | |
338 | /*@modifies con @*/ | |
339 | { | |
340 | poptItem item = con->os->currAlias; | |
341 | int rc; | |
62402cb1 MP |
342 | int i; |
343 | ||
cc248aae WD |
344 | if (item) { |
345 | if (longName && (item->option.longName && | |
346 | !strcmp(longName, item->option.longName))) | |
347 | return 0; | |
348 | if (shortName && shortName == item->option.shortName) | |
349 | return 0; | |
350 | } | |
351 | ||
352 | if (con->aliases == NULL || con->numAliases <= 0) /* XXX can't happen */ | |
62402cb1 MP |
353 | return 0; |
354 | ||
cc248aae WD |
355 | for (i = con->numAliases - 1; i >= 0; i--) { |
356 | item = con->aliases + i; | |
357 | if (longName && !(item->option.longName && | |
358 | !strcmp(longName, item->option.longName))) | |
359 | continue; | |
360 | else if (shortName != item->option.shortName) | |
361 | continue; | |
362 | break; | |
62402cb1 | 363 | } |
62402cb1 MP |
364 | if (i < 0) return 0; |
365 | ||
b348deae | 366 | if ((con->os - con->optionStack + 1) == POPT_OPTION_DEPTH) |
62402cb1 MP |
367 | return POPT_ERROR_OPTSTOODEEP; |
368 | ||
bc93ee84 | 369 | /*@-boundsread@*/ |
62402cb1 MP |
370 | if (nextCharArg && *nextCharArg) |
371 | con->os->nextCharArg = nextCharArg; | |
bc93ee84 | 372 | /*@=boundsread@*/ |
62402cb1 MP |
373 | |
374 | con->os++; | |
375 | con->os->next = 0; | |
376 | con->os->stuffed = 0; | |
b348deae MP |
377 | con->os->nextArg = NULL; |
378 | con->os->nextCharArg = NULL; | |
62402cb1 | 379 | con->os->currAlias = con->aliases + i; |
cc248aae | 380 | rc = poptDupArgv(con->os->currAlias->argc, con->os->currAlias->argv, |
b348deae MP |
381 | &con->os->argc, &con->os->argv); |
382 | con->os->argb = NULL; | |
62402cb1 | 383 | |
cc248aae | 384 | return (rc ? rc : 1); |
62402cb1 MP |
385 | } |
386 | ||
bc93ee84 | 387 | /*@-bounds -boundswrite @*/ |
cc248aae | 388 | static int execCommand(poptContext con) |
bc93ee84 WD |
389 | /*@globals internalState @*/ |
390 | /*@modifies internalState @*/ | |
cc248aae WD |
391 | { |
392 | poptItem item = con->doExec; | |
b348deae | 393 | const char ** argv; |
cc248aae | 394 | int argc = 0; |
62402cb1 | 395 | |
cc248aae WD |
396 | if (item == NULL) /*XXX can't happen*/ |
397 | return POPT_ERROR_NOARG; | |
62402cb1 | 398 | |
cc248aae WD |
399 | if (item->argv == NULL || item->argc < 1 || |
400 | (!con->execAbsolute && strchr(item->argv[0], '/'))) | |
401 | return POPT_ERROR_NOARG; | |
402 | ||
403 | argv = malloc(sizeof(*argv) * | |
404 | (6 + item->argc + con->numLeftovers + con->finalArgvCount)); | |
bc93ee84 | 405 | if (argv == NULL) return POPT_ERROR_MALLOC; |
62402cb1 | 406 | |
bc93ee84 WD |
407 | if (!strchr(item->argv[0], '/') && con->execPath != NULL) { |
408 | size_t bufsize = strlen(con->execPath) + strlen(item->argv[0]) + sizeof "/"; | |
409 | char *s = alloca(bufsize); | |
410 | snprintf(s, bufsize, "%s/%s", con->execPath, item->argv[0]); | |
cc248aae | 411 | argv[argc] = s; |
bc93ee84 | 412 | } else |
cc248aae | 413 | argv[argc] = findProgramPath(item->argv[0]); |
cc248aae | 414 | if (argv[argc++] == NULL) return POPT_ERROR_NOARG; |
62402cb1 | 415 | |
cc248aae WD |
416 | if (item->argc > 1) { |
417 | memcpy(argv + argc, item->argv + 1, sizeof(*argv) * (item->argc - 1)); | |
418 | argc += (item->argc - 1); | |
419 | } | |
62402cb1 | 420 | |
cc248aae WD |
421 | if (con->finalArgv != NULL && con->finalArgvCount > 0) { |
422 | memcpy(argv + argc, con->finalArgv, | |
423 | sizeof(*argv) * con->finalArgvCount); | |
424 | argc += con->finalArgvCount; | |
425 | } | |
62402cb1 | 426 | |
cc248aae | 427 | if (con->leftovers != NULL && con->numLeftovers > 0) { |
cc248aae WD |
428 | memcpy(argv + argc, con->leftovers, sizeof(*argv) * con->numLeftovers); |
429 | argc += con->numLeftovers; | |
62402cb1 MP |
430 | } |
431 | ||
cc248aae | 432 | argv[argc] = NULL; |
62402cb1 | 433 | |
37a4386d | 434 | { |
62402cb1 | 435 | #ifdef __hpux |
37a4386d | 436 | int rc = setresgid(getgid(), getgid(),-1); |
bc93ee84 | 437 | if (rc) return POPT_ERROR_ERRNO; |
cc248aae WD |
438 | rc = setresuid(getuid(), getuid(),-1); |
439 | if (rc) return POPT_ERROR_ERRNO; | |
62402cb1 | 440 | #else |
b348deae MP |
441 | /* |
442 | * XXX " ... on BSD systems setuid() should be preferred over setreuid()" | |
443 | * XXX sez' Timur Bakeyev <mc@bat.ru> | |
444 | * XXX from Norbert Warmuth <nwarmuth@privat.circular.de> | |
445 | */ | |
446 | #if defined(HAVE_SETUID) | |
37a4386d | 447 | int rc = setgid(getgid()); |
bc93ee84 | 448 | if (rc) return POPT_ERROR_ERRNO; |
cc248aae WD |
449 | rc = setuid(getuid()); |
450 | if (rc) return POPT_ERROR_ERRNO; | |
b348deae | 451 | #elif defined (HAVE_SETREUID) |
37a4386d | 452 | int rc = setregid(getgid(), getgid()); |
bc93ee84 WD |
453 | if (rc) return POPT_ERROR_ERRNO; |
454 | rc = setreuid(getuid(), getuid()); | |
cc248aae | 455 | if (rc) return POPT_ERROR_ERRNO; |
b348deae MP |
456 | #else |
457 | ; /* Can't drop privileges */ | |
458 | #endif | |
62402cb1 | 459 | #endif |
37a4386d | 460 | } |
62402cb1 | 461 | |
cc248aae WD |
462 | if (argv[0] == NULL) |
463 | return POPT_ERROR_NOARG; | |
bc93ee84 WD |
464 | |
465 | #ifdef MYDEBUG | |
466 | if (_popt_debug) | |
cc248aae WD |
467 | { const char ** avp; |
468 | fprintf(stderr, "==> execvp(%s) argv[%d]:", argv[0], argc); | |
469 | for (avp = argv; *avp; avp++) | |
470 | fprintf(stderr, " '%s'", *avp); | |
471 | fprintf(stderr, "\n"); | |
472 | } | |
473 | #endif | |
474 | ||
65e83e09 | 475 | execvp(argv[0], (char *const *)argv); |
bc93ee84 | 476 | |
cc248aae | 477 | return POPT_ERROR_ERRNO; |
62402cb1 | 478 | } |
bc93ee84 | 479 | /*@=bounds =boundswrite @*/ |
62402cb1 | 480 | |
bc93ee84 | 481 | /*@-boundswrite@*/ |
cc248aae WD |
482 | /*@observer@*/ /*@null@*/ static const struct poptOption * |
483 | findOption(const struct poptOption * opt, /*@null@*/ const char * longName, | |
484 | char shortName, | |
485 | /*@null@*/ /*@out@*/ poptCallbackType * callback, | |
486 | /*@null@*/ /*@out@*/ const void ** callbackData, | |
487 | int singleDash) | |
488 | /*@modifies *callback, *callbackData */ | |
b348deae | 489 | { |
62402cb1 MP |
490 | const struct poptOption * cb = NULL; |
491 | ||
b348deae | 492 | /* This happens when a single - is given */ |
cc248aae | 493 | if (singleDash && !shortName && (longName && *longName == '\0')) |
b348deae MP |
494 | shortName = '-'; |
495 | ||
cc248aae WD |
496 | for (; opt->longName || opt->shortName || opt->arg; opt++) { |
497 | ||
62402cb1 | 498 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) { |
cc248aae | 499 | const struct poptOption * opt2; |
bc93ee84 | 500 | void * arg = opt->arg; |
cc248aae | 501 | |
bc93ee84 WD |
502 | /*@-branchstate@*/ |
503 | /* XXX sick hack to preserve pretense of ABI. */ | |
504 | if (arg == poptHelpOptions) arg = poptHelpOptionsI18N; | |
505 | /*@=branchstate@*/ | |
cc248aae | 506 | /* Recurse on included sub-tables. */ |
bc93ee84 WD |
507 | if (arg == NULL) continue; /* XXX program error */ |
508 | opt2 = findOption(arg, longName, shortName, callback, | |
62402cb1 | 509 | callbackData, singleDash); |
cc248aae WD |
510 | if (opt2 == NULL) continue; |
511 | /* Sub-table data will be inheirited if no data yet. */ | |
512 | if (!(callback && *callback)) return opt2; | |
513 | if (!(callbackData && *callbackData == NULL)) return opt2; | |
514 | /*@-observertrans -dependenttrans @*/ | |
515 | *callbackData = opt->descrip; | |
516 | /*@=observertrans =dependenttrans @*/ | |
517 | return opt2; | |
62402cb1 MP |
518 | } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK) { |
519 | cb = opt; | |
b348deae | 520 | } else if (longName && opt->longName && |
62402cb1 | 521 | (!singleDash || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) && |
cc248aae WD |
522 | /*@-nullpass@*/ /* LCL: opt->longName != NULL */ |
523 | !strcmp(longName, opt->longName)) | |
524 | /*@=nullpass@*/ | |
525 | { | |
62402cb1 MP |
526 | break; |
527 | } else if (shortName && shortName == opt->shortName) { | |
528 | break; | |
529 | } | |
62402cb1 MP |
530 | } |
531 | ||
cc248aae WD |
532 | if (!opt->longName && !opt->shortName) |
533 | return NULL; | |
534 | /*@-modobserver -mods @*/ | |
535 | if (callback) *callback = NULL; | |
536 | if (callbackData) *callbackData = NULL; | |
62402cb1 | 537 | if (cb) { |
cc248aae WD |
538 | if (callback) |
539 | /*@-castfcnptr@*/ | |
540 | *callback = (poptCallbackType)cb->arg; | |
541 | /*@=castfcnptr@*/ | |
542 | if (!(cb->argInfo & POPT_CBFLAG_INC_DATA)) { | |
543 | if (callbackData) | |
544 | /*@-observertrans@*/ /* FIX: typedef double indirection. */ | |
545 | *callbackData = cb->descrip; | |
546 | /*@=observertrans@*/ | |
547 | } | |
62402cb1 | 548 | } |
cc248aae | 549 | /*@=modobserver =mods @*/ |
62402cb1 MP |
550 | |
551 | return opt; | |
552 | } | |
bc93ee84 | 553 | /*@=boundswrite@*/ |
62402cb1 | 554 | |
cc248aae WD |
555 | static const char * findNextArg(/*@special@*/ poptContext con, |
556 | unsigned argx, int delete_arg) | |
557 | /*@uses con->optionStack, con->os, | |
558 | con->os->next, con->os->argb, con->os->argc, con->os->argv @*/ | |
559 | /*@modifies con @*/ | |
b348deae MP |
560 | { |
561 | struct optionStackEntry * os = con->os; | |
562 | const char * arg; | |
563 | ||
564 | do { | |
565 | int i; | |
566 | arg = NULL; | |
567 | while (os->next == os->argc && os > con->optionStack) os--; | |
568 | if (os->next == os->argc && os == con->optionStack) break; | |
cc248aae | 569 | if (os->argv != NULL) |
b348deae | 570 | for (i = os->next; i < os->argc; i++) { |
cc248aae WD |
571 | /*@-sizeoftype@*/ |
572 | if (os->argb && PBM_ISSET(i, os->argb)) | |
573 | /*@innercontinue@*/ continue; | |
574 | if (*os->argv[i] == '-') | |
575 | /*@innercontinue@*/ continue; | |
576 | if (--argx > 0) | |
577 | /*@innercontinue@*/ continue; | |
b348deae | 578 | arg = os->argv[i]; |
cc248aae | 579 | if (delete_arg) { |
b348deae | 580 | if (os->argb == NULL) os->argb = PBM_ALLOC(os->argc); |
cc248aae | 581 | if (os->argb != NULL) /* XXX can't happen */ |
b348deae MP |
582 | PBM_SET(i, os->argb); |
583 | } | |
cc248aae WD |
584 | /*@innerbreak@*/ break; |
585 | /*@=sizeoftype@*/ | |
b348deae MP |
586 | } |
587 | if (os > con->optionStack) os--; | |
588 | } while (arg == NULL); | |
589 | return arg; | |
590 | } | |
591 | ||
bc93ee84 | 592 | /*@-boundswrite@*/ |
cc248aae WD |
593 | static /*@only@*/ /*@null@*/ const char * |
594 | expandNextArg(/*@special@*/ poptContext con, const char * s) | |
595 | /*@uses con->optionStack, con->os, | |
596 | con->os->next, con->os->argb, con->os->argc, con->os->argv @*/ | |
597 | /*@modifies con @*/ | |
b348deae | 598 | { |
cc248aae | 599 | const char * a = NULL; |
bc93ee84 | 600 | size_t alen, pos; |
b348deae MP |
601 | char *t, *te; |
602 | size_t tn = strlen(s) + 1; | |
603 | char c; | |
604 | ||
605 | te = t = malloc(tn);; | |
cc248aae | 606 | if (t == NULL) return NULL; /* XXX can't happen */ |
b348deae MP |
607 | while ((c = *s++) != '\0') { |
608 | switch (c) { | |
609 | #if 0 /* XXX can't do this */ | |
610 | case '\\': /* escape */ | |
611 | c = *s++; | |
cc248aae | 612 | /*@switchbreak@*/ break; |
b348deae MP |
613 | #endif |
614 | case '!': | |
615 | if (!(s[0] == '#' && s[1] == ':' && s[2] == '+')) | |
cc248aae WD |
616 | /*@switchbreak@*/ break; |
617 | /* XXX Make sure that findNextArg deletes only next arg. */ | |
618 | if (a == NULL) { | |
619 | if ((a = findNextArg(con, 1, 1)) == NULL) | |
620 | /*@switchbreak@*/ break; | |
621 | } | |
b348deae MP |
622 | s += 3; |
623 | ||
624 | alen = strlen(a); | |
625 | tn += alen; | |
bc93ee84 | 626 | pos = te - t; |
b348deae | 627 | t = realloc(t, tn); |
bc93ee84 | 628 | te = t + pos; |
b348deae MP |
629 | strncpy(te, a, alen); te += alen; |
630 | continue; | |
cc248aae | 631 | /*@notreached@*/ /*@switchbreak@*/ break; |
b348deae | 632 | default: |
cc248aae | 633 | /*@switchbreak@*/ break; |
b348deae MP |
634 | } |
635 | *te++ = c; | |
636 | } | |
637 | *te = '\0'; | |
cc248aae | 638 | t = realloc(t, strlen(t) + 1); /* XXX memory leak, hard to plug */ |
b348deae MP |
639 | return t; |
640 | } | |
bc93ee84 | 641 | /*@=boundswrite@*/ |
b348deae | 642 | |
cc248aae WD |
643 | static void poptStripArg(/*@special@*/ poptContext con, int which) |
644 | /*@uses con->arg_strip, con->optionStack @*/ | |
645 | /*@defines con->arg_strip @*/ | |
646 | /*@modifies con @*/ | |
b348deae | 647 | { |
cc248aae WD |
648 | /*@-sizeoftype@*/ |
649 | if (con->arg_strip == NULL) | |
b348deae | 650 | con->arg_strip = PBM_ALLOC(con->optionStack[0].argc); |
cc248aae | 651 | if (con->arg_strip != NULL) /* XXX can't happen */ |
b348deae | 652 | PBM_SET(which, con->arg_strip); |
cc248aae WD |
653 | /*@=sizeoftype@*/ |
654 | /*@-compdef@*/ /* LCL: con->arg_strip udefined? */ | |
655 | return; | |
656 | /*@=compdef@*/ | |
657 | } | |
658 | ||
bc93ee84 | 659 | int poptSaveLong(long * arg, int argInfo, long aLong) |
cc248aae | 660 | { |
bc93ee84 WD |
661 | /* XXX Check alignment, may fail on funky platforms. */ |
662 | if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1))) | |
cc248aae WD |
663 | return POPT_ERROR_NULLARG; |
664 | ||
bc93ee84 | 665 | if (argInfo & POPT_ARGFLAG_NOT) |
cc248aae | 666 | aLong = ~aLong; |
bc93ee84 | 667 | switch (argInfo & POPT_ARGFLAG_LOGICALOPS) { |
cc248aae | 668 | case 0: |
bc93ee84 | 669 | *arg = aLong; |
cc248aae WD |
670 | break; |
671 | case POPT_ARGFLAG_OR: | |
bc93ee84 | 672 | *arg |= aLong; |
cc248aae WD |
673 | break; |
674 | case POPT_ARGFLAG_AND: | |
bc93ee84 | 675 | *arg &= aLong; |
cc248aae WD |
676 | break; |
677 | case POPT_ARGFLAG_XOR: | |
bc93ee84 | 678 | *arg ^= aLong; |
cc248aae WD |
679 | break; |
680 | default: | |
681 | return POPT_ERROR_BADOPERATION; | |
682 | /*@notreached@*/ break; | |
683 | } | |
684 | return 0; | |
685 | } | |
686 | ||
bc93ee84 | 687 | int poptSaveInt(/*@null@*/ int * arg, int argInfo, long aLong) |
cc248aae | 688 | { |
bc93ee84 WD |
689 | /* XXX Check alignment, may fail on funky platforms. */ |
690 | if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1))) | |
cc248aae WD |
691 | return POPT_ERROR_NULLARG; |
692 | ||
bc93ee84 | 693 | if (argInfo & POPT_ARGFLAG_NOT) |
cc248aae | 694 | aLong = ~aLong; |
bc93ee84 | 695 | switch (argInfo & POPT_ARGFLAG_LOGICALOPS) { |
cc248aae | 696 | case 0: |
bc93ee84 | 697 | *arg = aLong; |
cc248aae WD |
698 | break; |
699 | case POPT_ARGFLAG_OR: | |
bc93ee84 | 700 | *arg |= aLong; |
cc248aae WD |
701 | break; |
702 | case POPT_ARGFLAG_AND: | |
bc93ee84 | 703 | *arg &= aLong; |
cc248aae WD |
704 | break; |
705 | case POPT_ARGFLAG_XOR: | |
bc93ee84 | 706 | *arg ^= aLong; |
cc248aae WD |
707 | break; |
708 | default: | |
709 | return POPT_ERROR_BADOPERATION; | |
710 | /*@notreached@*/ break; | |
711 | } | |
712 | return 0; | |
b348deae MP |
713 | } |
714 | ||
bc93ee84 | 715 | /*@-boundswrite@*/ |
62402cb1 | 716 | /* returns 'val' element, -1 on last item, POPT_ERROR_* on error */ |
b348deae MP |
717 | int poptGetNextOpt(poptContext con) |
718 | { | |
62402cb1 MP |
719 | const struct poptOption * opt = NULL; |
720 | int done = 0; | |
62402cb1 | 721 | |
cc248aae WD |
722 | if (con == NULL) |
723 | return -1; | |
62402cb1 | 724 | while (!done) { |
b348deae MP |
725 | const char * origOptString = NULL; |
726 | poptCallbackType cb = NULL; | |
727 | const void * cbData = NULL; | |
728 | const char * longArg = NULL; | |
729 | int canstrip = 0; | |
cc248aae | 730 | int shorty = 0; |
b348deae MP |
731 | |
732 | while (!con->os->nextCharArg && con->os->next == con->os->argc | |
733 | && con->os > con->optionStack) { | |
734 | cleanOSE(con->os--); | |
735 | } | |
62402cb1 | 736 | if (!con->os->nextCharArg && con->os->next == con->os->argc) { |
cc248aae WD |
737 | /*@-internalglobs@*/ |
738 | invokeCallbacksPOST(con, con->options); | |
739 | /*@=internalglobs@*/ | |
740 | if (con->doExec) return execCommand(con); | |
62402cb1 MP |
741 | return -1; |
742 | } | |
743 | ||
b348deae | 744 | /* Process next long option */ |
62402cb1 | 745 | if (!con->os->nextCharArg) { |
b348deae MP |
746 | char * localOptString, * optString; |
747 | int thisopt; | |
748 | ||
cc248aae | 749 | /*@-sizeoftype@*/ |
b348deae MP |
750 | if (con->os->argb && PBM_ISSET(con->os->next, con->os->argb)) { |
751 | con->os->next++; | |
752 | continue; | |
753 | } | |
cc248aae WD |
754 | /*@=sizeoftype@*/ |
755 | thisopt = con->os->next; | |
756 | if (con->os->argv != NULL) /* XXX can't happen */ | |
62402cb1 MP |
757 | origOptString = con->os->argv[con->os->next++]; |
758 | ||
cc248aae WD |
759 | if (origOptString == NULL) /* XXX can't happen */ |
760 | return POPT_ERROR_BADOPT; | |
761 | ||
62402cb1 | 762 | if (con->restLeftover || *origOptString != '-') { |
62402cb1 MP |
763 | if (con->flags & POPT_CONTEXT_POSIXMEHARDER) |
764 | con->restLeftover = 1; | |
cc248aae WD |
765 | if (con->flags & POPT_CONTEXT_ARG_OPTS) { |
766 | con->os->nextArg = xstrdup(origOptString); | |
767 | return 0; | |
768 | } | |
769 | if (con->leftovers != NULL) /* XXX can't happen */ | |
770 | con->leftovers[con->numLeftovers++] = origOptString; | |
62402cb1 MP |
771 | continue; |
772 | } | |
773 | ||
774 | /* Make a copy we can hack at */ | |
bc93ee84 WD |
775 | { size_t bufsize = strlen(origOptString) + 1; |
776 | localOptString = optString = alloca(bufsize); | |
777 | if (optString == NULL) /* XXX can't happen */ | |
778 | return POPT_ERROR_BADOPT; | |
779 | strlcpy(optString, origOptString, bufsize); | |
780 | } | |
62402cb1 | 781 | |
cc248aae | 782 | if (optString[0] == '\0') |
62402cb1 MP |
783 | return POPT_ERROR_BADOPT; |
784 | ||
785 | if (optString[1] == '-' && !optString[2]) { | |
786 | con->restLeftover = 1; | |
787 | continue; | |
788 | } else { | |
b348deae MP |
789 | char *oe; |
790 | int singleDash; | |
791 | ||
62402cb1 MP |
792 | optString++; |
793 | if (*optString == '-') | |
794 | singleDash = 0, optString++; | |
795 | else | |
796 | singleDash = 1; | |
797 | ||
b348deae | 798 | /* XXX aliases with arg substitution need "--alias=arg" */ |
62402cb1 MP |
799 | if (handleAlias(con, optString, '\0', NULL)) |
800 | continue; | |
cc248aae | 801 | |
62402cb1 MP |
802 | if (handleExec(con, optString, '\0')) |
803 | continue; | |
804 | ||
b348deae MP |
805 | /* Check for "--long=arg" option. */ |
806 | for (oe = optString; *oe && *oe != '='; oe++) | |
cc248aae | 807 | {}; |
b348deae MP |
808 | if (*oe == '=') { |
809 | *oe++ = '\0'; | |
810 | /* XXX longArg is mapped back to persistent storage. */ | |
811 | longArg = origOptString + (oe - localOptString); | |
894e6299 WD |
812 | } else |
813 | oe = NULL; | |
62402cb1 MP |
814 | |
815 | opt = findOption(con->options, optString, '\0', &cb, &cbData, | |
816 | singleDash); | |
b348deae MP |
817 | if (!opt && !singleDash) |
818 | return POPT_ERROR_BADOPT; | |
894e6299 WD |
819 | if (!opt && oe) |
820 | oe[-1] = '='; /* restore overwritten '=' */ | |
62402cb1 MP |
821 | } |
822 | ||
b348deae | 823 | if (!opt) { |
62402cb1 | 824 | con->os->nextCharArg = origOptString + 1; |
894e6299 | 825 | longArg = NULL; |
b348deae | 826 | } else { |
cc248aae WD |
827 | if (con->os == con->optionStack && |
828 | opt->argInfo & POPT_ARGFLAG_STRIP) | |
829 | { | |
b348deae MP |
830 | canstrip = 1; |
831 | poptStripArg(con, thisopt); | |
832 | } | |
cc248aae | 833 | shorty = 0; |
b348deae | 834 | } |
62402cb1 MP |
835 | } |
836 | ||
b348deae | 837 | /* Process next short option */ |
cc248aae | 838 | /*@-branchstate@*/ /* FIX: W2DO? */ |
62402cb1 MP |
839 | if (con->os->nextCharArg) { |
840 | origOptString = con->os->nextCharArg; | |
841 | ||
842 | con->os->nextCharArg = NULL; | |
843 | ||
cc248aae WD |
844 | if (handleAlias(con, NULL, *origOptString, origOptString + 1)) |
845 | continue; | |
846 | ||
847 | if (handleExec(con, NULL, *origOptString)) { | |
848 | /* Restore rest of short options for further processing */ | |
62402cb1 | 849 | origOptString++; |
cc248aae WD |
850 | if (*origOptString != '\0') |
851 | con->os->nextCharArg = origOptString; | |
62402cb1 MP |
852 | continue; |
853 | } | |
62402cb1 | 854 | |
b348deae | 855 | opt = findOption(con->options, NULL, *origOptString, &cb, |
62402cb1 | 856 | &cbData, 0); |
b348deae MP |
857 | if (!opt) |
858 | return POPT_ERROR_BADOPT; | |
cc248aae | 859 | shorty = 1; |
62402cb1 MP |
860 | |
861 | origOptString++; | |
cc248aae | 862 | if (*origOptString != '\0') |
25082d1e | 863 | con->os->nextCharArg = origOptString; |
62402cb1 | 864 | } |
cc248aae | 865 | /*@=branchstate@*/ |
62402cb1 | 866 | |
cc248aae | 867 | if (opt == NULL) return POPT_ERROR_BADOPT; /* XXX can't happen */ |
25082d1e WD |
868 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE |
869 | || (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL) { | |
870 | if (longArg || (con->os->nextCharArg && con->os->nextCharArg[0] == '=')) | |
871 | return POPT_ERROR_UNWANTEDARG; | |
cc248aae | 872 | if (opt->arg) { |
25082d1e WD |
873 | long val = (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL ? opt->val : 1; |
874 | if (poptSaveInt((int *)opt->arg, opt->argInfo, val)) | |
cc248aae | 875 | return POPT_ERROR_BADOPERATION; |
b348deae | 876 | } |
25082d1e | 877 | } else { |
cc248aae WD |
878 | con->os->nextArg = _free(con->os->nextArg); |
879 | /*@-usedef@*/ /* FIX: W2DO? */ | |
62402cb1 | 880 | if (longArg) { |
cc248aae WD |
881 | /*@=usedef@*/ |
882 | longArg = expandNextArg(con, longArg); | |
883 | con->os->nextArg = longArg; | |
62402cb1 | 884 | } else if (con->os->nextCharArg) { |
25082d1e | 885 | longArg = expandNextArg(con, con->os->nextCharArg + (con->os->nextCharArg[0] == '=')); |
cc248aae | 886 | con->os->nextArg = longArg; |
62402cb1 | 887 | con->os->nextCharArg = NULL; |
b348deae MP |
888 | } else { |
889 | while (con->os->next == con->os->argc && | |
890 | con->os > con->optionStack) { | |
891 | cleanOSE(con->os--); | |
892 | } | |
cc248aae WD |
893 | if (con->os->next == con->os->argc) { |
894 | if (!(opt->argInfo & POPT_ARGFLAG_OPTIONAL)) | |
895 | /*@-compdef@*/ /* FIX: con->os->argv not defined */ | |
896 | return POPT_ERROR_NOARG; | |
897 | /*@=compdef@*/ | |
898 | con->os->nextArg = NULL; | |
899 | } else { | |
900 | ||
901 | /* | |
902 | * Make sure this isn't part of a short arg or the | |
903 | * result of an alias expansion. | |
904 | */ | |
905 | if (con->os == con->optionStack && | |
906 | (opt->argInfo & POPT_ARGFLAG_STRIP) && | |
907 | canstrip) { | |
908 | poptStripArg(con, con->os->next); | |
909 | } | |
b348deae | 910 | |
cc248aae WD |
911 | if (con->os->argv != NULL) { /* XXX can't happen */ |
912 | /* XXX watchout: subtle side-effects live here. */ | |
913 | longArg = con->os->argv[con->os->next++]; | |
914 | longArg = expandNextArg(con, longArg); | |
915 | con->os->nextArg = longArg; | |
916 | } | |
917 | } | |
62402cb1 | 918 | } |
cc248aae | 919 | longArg = NULL; |
62402cb1 MP |
920 | |
921 | if (opt->arg) { | |
922 | switch (opt->argInfo & POPT_ARG_MASK) { | |
cc248aae | 923 | case POPT_ARG_STRING: |
b348deae | 924 | /* XXX memory leak, hard to plug */ |
cc248aae WD |
925 | *((const char **) opt->arg) = (con->os->nextArg) |
926 | ? xstrdup(con->os->nextArg) : NULL; | |
927 | /*@switchbreak@*/ break; | |
928 | ||
929 | case POPT_ARG_INT: | |
930 | case POPT_ARG_LONG: | |
931 | { long aLong = 0; | |
932 | char *end; | |
933 | ||
934 | if (con->os->nextArg) { | |
935 | aLong = strtol(con->os->nextArg, &end, 0); | |
936 | if (!(end && *end == '\0')) | |
937 | return POPT_ERROR_BADNUMBER; | |
938 | } | |
62402cb1 | 939 | |
62402cb1 | 940 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_LONG) { |
cc248aae WD |
941 | if (aLong == LONG_MIN || aLong == LONG_MAX) |
942 | return POPT_ERROR_OVERFLOW; | |
bc93ee84 | 943 | if (poptSaveLong((long *)opt->arg, opt->argInfo, aLong)) |
cc248aae | 944 | return POPT_ERROR_BADOPERATION; |
62402cb1 MP |
945 | } else { |
946 | if (aLong > INT_MAX || aLong < INT_MIN) | |
947 | return POPT_ERROR_OVERFLOW; | |
bc93ee84 | 948 | if (poptSaveInt((int *)opt->arg, opt->argInfo, aLong)) |
cc248aae WD |
949 | return POPT_ERROR_BADOPERATION; |
950 | } | |
951 | } /*@switchbreak@*/ break; | |
952 | ||
953 | case POPT_ARG_FLOAT: | |
954 | case POPT_ARG_DOUBLE: | |
955 | { double aDouble = 0.0; | |
956 | char *end; | |
957 | ||
958 | if (con->os->nextArg) { | |
959 | /*@-mods@*/ | |
960 | int saveerrno = errno; | |
961 | errno = 0; | |
962 | aDouble = strtod(con->os->nextArg, &end); | |
963 | if (errno == ERANGE) | |
964 | return POPT_ERROR_OVERFLOW; | |
965 | errno = saveerrno; | |
966 | /*@=mods@*/ | |
967 | if (*end != '\0') | |
968 | return POPT_ERROR_BADNUMBER; | |
62402cb1 | 969 | } |
62402cb1 | 970 | |
cc248aae WD |
971 | if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_DOUBLE) { |
972 | *((double *) opt->arg) = aDouble; | |
973 | } else { | |
1acb2e15 WD |
974 | #define MY_ABS(a) ((((a) - 0.0) < DBL_EPSILON) ? -(a) : (a)) |
975 | if ((MY_ABS(aDouble) - FLT_MAX) > DBL_EPSILON) | |
cc248aae | 976 | return POPT_ERROR_OVERFLOW; |
1acb2e15 | 977 | if ((FLT_MIN - MY_ABS(aDouble)) > DBL_EPSILON) |
cc248aae WD |
978 | return POPT_ERROR_OVERFLOW; |
979 | *((float *) opt->arg) = aDouble; | |
980 | } | |
981 | } /*@switchbreak@*/ break; | |
982 | default: | |
983 | fprintf(stdout, | |
984 | POPT_("option type (%d) not implemented in popt\n"), | |
985 | (opt->argInfo & POPT_ARG_MASK)); | |
b348deae | 986 | exit(EXIT_FAILURE); |
cc248aae | 987 | /*@notreached@*/ /*@switchbreak@*/ break; |
62402cb1 MP |
988 | } |
989 | } | |
990 | } | |
991 | ||
cc248aae WD |
992 | if (cb) { |
993 | /*@-internalglobs@*/ | |
994 | invokeCallbacksOPTION(con, con->options, opt, cbData, shorty); | |
995 | /*@=internalglobs@*/ | |
996 | } else if (opt->val && ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_VAL)) | |
62402cb1 MP |
997 | done = 1; |
998 | ||
999 | if ((con->finalArgvCount + 2) >= (con->finalArgvAlloced)) { | |
1000 | con->finalArgvAlloced += 10; | |
1001 | con->finalArgv = realloc(con->finalArgv, | |
1002 | sizeof(*con->finalArgv) * con->finalArgvAlloced); | |
1003 | } | |
1004 | ||
cc248aae | 1005 | if (con->finalArgv != NULL) |
bc93ee84 WD |
1006 | { ssize_t bufsize = (opt->longName ? strlen(opt->longName) : 0) + 3; |
1007 | char *s = malloc(bufsize); | |
cc248aae WD |
1008 | if (s != NULL) { /* XXX can't happen */ |
1009 | if (opt->longName) | |
bc93ee84 | 1010 | snprintf(s, bufsize, "%s%s", |
cc248aae WD |
1011 | ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"), |
1012 | opt->longName); | |
1013 | else | |
bc93ee84 | 1014 | snprintf(s, bufsize, "-%c", opt->shortName); |
cc248aae WD |
1015 | con->finalArgv[con->finalArgvCount++] = s; |
1016 | } else | |
1017 | con->finalArgv[con->finalArgvCount++] = NULL; | |
b348deae | 1018 | } |
62402cb1 | 1019 | |
cc248aae WD |
1020 | if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE) |
1021 | /*@-ifempty@*/ ; /*@=ifempty@*/ | |
1022 | else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL) | |
1023 | /*@-ifempty@*/ ; /*@=ifempty@*/ | |
1024 | else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) { | |
1025 | if (con->finalArgv != NULL && con->os->nextArg) | |
1026 | con->finalArgv[con->finalArgvCount++] = | |
1027 | /*@-nullpass@*/ /* LCL: con->os->nextArg != NULL */ | |
1028 | xstrdup(con->os->nextArg); | |
1029 | /*@=nullpass@*/ | |
b348deae | 1030 | } |
62402cb1 MP |
1031 | } |
1032 | ||
cc248aae | 1033 | return (opt ? opt->val : -1); /* XXX can't happen */ |
62402cb1 | 1034 | } |
bc93ee84 | 1035 | /*@=boundswrite@*/ |
62402cb1 | 1036 | |
cc248aae WD |
1037 | const char * poptGetOptArg(poptContext con) |
1038 | { | |
1039 | const char * ret = NULL; | |
1040 | /*@-branchstate@*/ | |
1041 | if (con) { | |
1042 | ret = con->os->nextArg; | |
1043 | con->os->nextArg = NULL; | |
1044 | } | |
1045 | /*@=branchstate@*/ | |
62402cb1 MP |
1046 | return ret; |
1047 | } | |
1048 | ||
cc248aae WD |
1049 | const char * poptGetArg(poptContext con) |
1050 | { | |
1051 | const char * ret = NULL; | |
1052 | if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers) | |
1053 | ret = con->leftovers[con->nextLeftover++]; | |
1054 | return ret; | |
62402cb1 MP |
1055 | } |
1056 | ||
cc248aae WD |
1057 | const char * poptPeekArg(poptContext con) |
1058 | { | |
1059 | const char * ret = NULL; | |
1060 | if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers) | |
1061 | ret = con->leftovers[con->nextLeftover]; | |
1062 | return ret; | |
62402cb1 MP |
1063 | } |
1064 | ||
bc93ee84 | 1065 | /*@-boundswrite@*/ |
cc248aae WD |
1066 | const char ** poptGetArgs(poptContext con) |
1067 | { | |
1068 | if (con == NULL || | |
1069 | con->leftovers == NULL || con->numLeftovers == con->nextLeftover) | |
1070 | return NULL; | |
62402cb1 MP |
1071 | |
1072 | /* some apps like [like RPM ;-) ] need this NULL terminated */ | |
1073 | con->leftovers[con->numLeftovers] = NULL; | |
1074 | ||
cc248aae | 1075 | /*@-nullret -nullstate @*/ /* FIX: typedef double indirection. */ |
62402cb1 | 1076 | return (con->leftovers + con->nextLeftover); |
cc248aae | 1077 | /*@=nullret =nullstate @*/ |
62402cb1 | 1078 | } |
bc93ee84 | 1079 | /*@=boundswrite@*/ |
62402cb1 | 1080 | |
cc248aae WD |
1081 | poptContext poptFreeContext(poptContext con) |
1082 | { | |
1083 | poptItem item; | |
62402cb1 MP |
1084 | int i; |
1085 | ||
cc248aae | 1086 | if (con == NULL) return con; |
b348deae | 1087 | poptResetContext(con); |
cc248aae | 1088 | con->os->argb = _free(con->os->argb); |
b348deae | 1089 | |
cc248aae | 1090 | if (con->aliases != NULL) |
62402cb1 | 1091 | for (i = 0; i < con->numAliases; i++) { |
cc248aae WD |
1092 | item = con->aliases + i; |
1093 | /*@-modobserver -observertrans -dependenttrans@*/ | |
1094 | item->option.longName = _free(item->option.longName); | |
1095 | item->option.descrip = _free(item->option.descrip); | |
1096 | item->option.argDescrip = _free(item->option.argDescrip); | |
1097 | /*@=modobserver =observertrans =dependenttrans@*/ | |
1098 | item->argv = _free(item->argv); | |
62402cb1 | 1099 | } |
cc248aae | 1100 | con->aliases = _free(con->aliases); |
62402cb1 | 1101 | |
cc248aae | 1102 | if (con->execs != NULL) |
62402cb1 | 1103 | for (i = 0; i < con->numExecs; i++) { |
cc248aae WD |
1104 | item = con->execs + i; |
1105 | /*@-modobserver -observertrans -dependenttrans@*/ | |
1106 | item->option.longName = _free(item->option.longName); | |
1107 | item->option.descrip = _free(item->option.descrip); | |
1108 | item->option.argDescrip = _free(item->option.argDescrip); | |
1109 | /*@=modobserver =observertrans =dependenttrans@*/ | |
1110 | item->argv = _free(item->argv); | |
62402cb1 | 1111 | } |
cc248aae WD |
1112 | con->execs = _free(con->execs); |
1113 | ||
1114 | con->leftovers = _free(con->leftovers); | |
1115 | con->finalArgv = _free(con->finalArgv); | |
1116 | con->appName = _free(con->appName); | |
1117 | con->otherHelp = _free(con->otherHelp); | |
1118 | con->execPath = _free(con->execPath); | |
1119 | con->arg_strip = PBM_FREE(con->arg_strip); | |
b348deae | 1120 | |
cc248aae WD |
1121 | con = _free(con); |
1122 | return con; | |
62402cb1 MP |
1123 | } |
1124 | ||
cc248aae | 1125 | int poptAddAlias(poptContext con, struct poptAlias alias, |
73042aae | 1126 | /*@unused@*/ UNUSED(int flags)) |
b348deae | 1127 | { |
451b5fc9 | 1128 | poptItem item = (poptItem) alloca(sizeof(*item)); |
cc248aae WD |
1129 | memset(item, 0, sizeof(*item)); |
1130 | item->option.longName = alias.longName; | |
1131 | item->option.shortName = alias.shortName; | |
1132 | item->option.argInfo = POPT_ARGFLAG_DOC_HIDDEN; | |
1133 | item->option.arg = 0; | |
1134 | item->option.val = 0; | |
1135 | item->option.descrip = NULL; | |
1136 | item->option.argDescrip = NULL; | |
1137 | item->argc = alias.argc; | |
1138 | item->argv = alias.argv; | |
1139 | return poptAddItem(con, item, 0); | |
1140 | } | |
62402cb1 | 1141 | |
bc93ee84 | 1142 | /*@-boundswrite@*/ |
cc248aae WD |
1143 | /*@-mustmod@*/ /* LCL: con not modified? */ |
1144 | int poptAddItem(poptContext con, poptItem newItem, int flags) | |
1145 | { | |
1146 | poptItem * items, item; | |
1147 | int * nitems; | |
1148 | ||
1149 | switch (flags) { | |
1150 | case 1: | |
1151 | items = &con->execs; | |
1152 | nitems = &con->numExecs; | |
1153 | break; | |
1154 | case 0: | |
1155 | items = &con->aliases; | |
1156 | nitems = &con->numAliases; | |
1157 | break; | |
1158 | default: | |
1159 | return 1; | |
1160 | /*@notreached@*/ break; | |
1161 | } | |
1162 | ||
1163 | *items = realloc((*items), ((*nitems) + 1) * sizeof(**items)); | |
1164 | if ((*items) == NULL) | |
1165 | return 1; | |
1166 | ||
1167 | item = (*items) + (*nitems); | |
b348deae | 1168 | |
cc248aae WD |
1169 | item->option.longName = |
1170 | (newItem->option.longName ? xstrdup(newItem->option.longName) : NULL); | |
1171 | item->option.shortName = newItem->option.shortName; | |
1172 | item->option.argInfo = newItem->option.argInfo; | |
1173 | item->option.arg = newItem->option.arg; | |
1174 | item->option.val = newItem->option.val; | |
1175 | item->option.descrip = | |
1176 | (newItem->option.descrip ? xstrdup(newItem->option.descrip) : NULL); | |
1177 | item->option.argDescrip = | |
1178 | (newItem->option.argDescrip ? xstrdup(newItem->option.argDescrip) : NULL); | |
1179 | item->argc = newItem->argc; | |
1180 | item->argv = newItem->argv; | |
1181 | ||
1182 | (*nitems)++; | |
62402cb1 MP |
1183 | |
1184 | return 0; | |
1185 | } | |
cc248aae | 1186 | /*@=mustmod@*/ |
bc93ee84 | 1187 | /*@=boundswrite@*/ |
62402cb1 | 1188 | |
cc248aae WD |
1189 | const char * poptBadOption(poptContext con, int flags) |
1190 | { | |
1191 | struct optionStackEntry * os = NULL; | |
62402cb1 | 1192 | |
cc248aae WD |
1193 | if (con != NULL) |
1194 | os = (flags & POPT_BADOPTION_NOALIAS) ? con->optionStack : con->os; | |
62402cb1 | 1195 | |
cc248aae WD |
1196 | /*@-nullderef@*/ /* LCL: os->argv != NULL */ |
1197 | return (os && os->argv ? os->argv[os->next - 1] : NULL); | |
1198 | /*@=nullderef@*/ | |
62402cb1 MP |
1199 | } |
1200 | ||
4fd4b3d6 | 1201 | const char * poptStrerror(const int error) |
cc248aae | 1202 | { |
62402cb1 MP |
1203 | switch (error) { |
1204 | case POPT_ERROR_NOARG: | |
1205 | return POPT_("missing argument"); | |
25082d1e WD |
1206 | case POPT_ERROR_UNWANTEDARG: |
1207 | return POPT_("option does not take an argument"); | |
62402cb1 MP |
1208 | case POPT_ERROR_BADOPT: |
1209 | return POPT_("unknown option"); | |
cc248aae WD |
1210 | case POPT_ERROR_BADOPERATION: |
1211 | return POPT_("mutually exclusive logical operations requested"); | |
1212 | case POPT_ERROR_NULLARG: | |
1213 | return POPT_("opt->arg should not be NULL"); | |
62402cb1 MP |
1214 | case POPT_ERROR_OPTSTOODEEP: |
1215 | return POPT_("aliases nested too deeply"); | |
1216 | case POPT_ERROR_BADQUOTE: | |
cc248aae | 1217 | return POPT_("error in parameter quoting"); |
62402cb1 MP |
1218 | case POPT_ERROR_BADNUMBER: |
1219 | return POPT_("invalid numeric value"); | |
1220 | case POPT_ERROR_OVERFLOW: | |
1221 | return POPT_("number too large or too small"); | |
cc248aae WD |
1222 | case POPT_ERROR_MALLOC: |
1223 | return POPT_("memory allocation failed"); | |
62402cb1 MP |
1224 | case POPT_ERROR_ERRNO: |
1225 | return strerror(errno); | |
1226 | default: | |
1227 | return POPT_("unknown error"); | |
1228 | } | |
1229 | } | |
1230 | ||
cc248aae WD |
1231 | int poptStuffArgs(poptContext con, const char ** argv) |
1232 | { | |
b348deae | 1233 | int argc; |
cc248aae | 1234 | int rc; |
62402cb1 MP |
1235 | |
1236 | if ((con->os - con->optionStack) == POPT_OPTION_DEPTH) | |
1237 | return POPT_ERROR_OPTSTOODEEP; | |
1238 | ||
b348deae | 1239 | for (argc = 0; argv[argc]; argc++) |
cc248aae | 1240 | {}; |
62402cb1 MP |
1241 | |
1242 | con->os++; | |
1243 | con->os->next = 0; | |
b348deae MP |
1244 | con->os->nextArg = NULL; |
1245 | con->os->nextCharArg = NULL; | |
62402cb1 | 1246 | con->os->currAlias = NULL; |
cc248aae | 1247 | rc = poptDupArgv(argc, argv, &con->os->argc, &con->os->argv); |
b348deae | 1248 | con->os->argb = NULL; |
62402cb1 MP |
1249 | con->os->stuffed = 1; |
1250 | ||
cc248aae | 1251 | return rc; |
62402cb1 MP |
1252 | } |
1253 | ||
cc248aae WD |
1254 | const char * poptGetInvocationName(poptContext con) |
1255 | { | |
1256 | return (con->os->argv ? con->os->argv[0] : ""); | |
62402cb1 | 1257 | } |
b348deae | 1258 | |
bc93ee84 | 1259 | /*@-boundswrite@*/ |
cc248aae | 1260 | int poptStrippedArgv(poptContext con, int argc, char ** argv) |
b348deae | 1261 | { |
cc248aae WD |
1262 | int numargs = argc; |
1263 | int j = 1; | |
1264 | int i; | |
b348deae | 1265 | |
cc248aae WD |
1266 | /*@-sizeoftype@*/ |
1267 | if (con->arg_strip) | |
1268 | for (i = 1; i < argc; i++) { | |
1269 | if (PBM_ISSET(i, con->arg_strip)) | |
b348deae | 1270 | numargs--; |
b348deae MP |
1271 | } |
1272 | ||
cc248aae WD |
1273 | for (i = 1; i < argc; i++) { |
1274 | if (con->arg_strip && PBM_ISSET(i, con->arg_strip)) | |
b348deae | 1275 | continue; |
cc248aae WD |
1276 | argv[j] = (j < numargs) ? argv[i] : NULL; |
1277 | j++; | |
b348deae | 1278 | } |
cc248aae | 1279 | /*@=sizeoftype@*/ |
b348deae | 1280 | |
cc248aae | 1281 | return numargs; |
b348deae | 1282 | } |
bc93ee84 | 1283 | /*@=boundswrite@*/ |