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-rw-r--r--popt/popt.c1283
1 files changed, 1283 insertions, 0 deletions
diff --git a/popt/popt.c b/popt/popt.c
new file mode 100644
index 0000000..5d927f7
--- /dev/null
+++ b/popt/popt.c
@@ -0,0 +1,1283 @@
+/** \ingroup popt
+ * \file popt/popt.c
+ */
+
+/* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING
+ file accompanying popt source distributions, available from
+ ftp://ftp.rpm.org/pub/rpm/dist */
+
+#undef MYDEBUG
+
+#include "system.h"
+
+#if HAVE_FLOAT_H
+#include <float.h>
+#endif
+#include <math.h>
+
+#include "findme.h"
+#include "poptint.h"
+
+#ifndef DBL_EPSILON
+#define DBL_EPSILON 2.2204460492503131e-16
+#endif
+
+#ifdef MYDEBUG
+/*@unchecked@*/
+int _popt_debug = 0;
+#endif
+
+#if !defined(HAVE_STRERROR) && !defined(__LCLINT__)
+static char * strerror(int errno)
+{
+ extern int sys_nerr;
+ extern char * sys_errlist[];
+
+ if ((0 <= errno) && (errno < sys_nerr))
+ return sys_errlist[errno];
+ else
+ return POPT_("unknown errno");
+}
+#endif
+
+#ifdef MYDEBUG
+/*@unused@*/
+static void prtcon(const char *msg, poptContext con)
+{
+ if (msg) fprintf(stderr, "%s", msg);
+ fprintf(stderr, "\tcon %p os %p nextCharArg \"%s\" nextArg \"%s\" argv[%d] \"%s\"\n",
+ con, con->os,
+ (con->os->nextCharArg ? con->os->nextCharArg : ""),
+ (con->os->nextArg ? con->os->nextArg : ""),
+ con->os->next,
+ (con->os->argv && con->os->argv[con->os->next]
+ ? con->os->argv[con->os->next] : ""));
+}
+#endif
+
+void poptSetExecPath(poptContext con, const char * path, int allowAbsolute)
+{
+ con->execPath = _free(con->execPath);
+ con->execPath = xstrdup(path);
+ con->execAbsolute = allowAbsolute;
+ /*@-nullstate@*/ /* LCL: con->execPath not NULL */
+ return;
+ /*@=nullstate@*/
+}
+
+static void invokeCallbacksPRE(poptContext con, const struct poptOption * opt)
+ /*@globals internalState@*/
+ /*@modifies internalState@*/
+{
+ if (opt != NULL)
+ for (; opt->longName || opt->shortName || opt->arg; opt++) {
+ if (opt->arg == NULL) continue; /* XXX program error. */
+ if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
+ void * arg = opt->arg;
+/*@-branchstate@*/
+ /* XXX sick hack to preserve pretense of ABI. */
+ if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
+/*@=branchstate@*/
+ /* Recurse on included sub-tables. */
+ invokeCallbacksPRE(con, arg);
+ } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
+ (opt->argInfo & POPT_CBFLAG_PRE))
+ { /*@-castfcnptr@*/
+ poptCallbackType cb = (poptCallbackType)opt->arg;
+ /*@=castfcnptr@*/
+ /* Perform callback. */
+ /*@-noeffectuncon @*/
+ cb(con, POPT_CALLBACK_REASON_PRE, NULL, NULL, opt->descrip);
+ /*@=noeffectuncon @*/
+ }
+ }
+}
+
+static void invokeCallbacksPOST(poptContext con, const struct poptOption * opt)
+ /*@globals internalState@*/
+ /*@modifies internalState@*/
+{
+ if (opt != NULL)
+ for (; opt->longName || opt->shortName || opt->arg; opt++) {
+ if (opt->arg == NULL) continue; /* XXX program error. */
+ if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
+ void * arg = opt->arg;
+/*@-branchstate@*/
+ /* XXX sick hack to preserve pretense of ABI. */
+ if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
+/*@=branchstate@*/
+ /* Recurse on included sub-tables. */
+ invokeCallbacksPOST(con, arg);
+ } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
+ (opt->argInfo & POPT_CBFLAG_POST))
+ { /*@-castfcnptr@*/
+ poptCallbackType cb = (poptCallbackType)opt->arg;
+ /*@=castfcnptr@*/
+ /* Perform callback. */
+ /*@-noeffectuncon @*/
+ cb(con, POPT_CALLBACK_REASON_POST, NULL, NULL, opt->descrip);
+ /*@=noeffectuncon @*/
+ }
+ }
+}
+
+static void invokeCallbacksOPTION(poptContext con,
+ const struct poptOption * opt,
+ const struct poptOption * myOpt,
+ /*@null@*/ const void * myData, int shorty)
+ /*@globals internalState@*/
+ /*@modifies internalState@*/
+{
+ const struct poptOption * cbopt = NULL;
+
+ if (opt != NULL)
+ for (; opt->longName || opt->shortName || opt->arg; opt++) {
+ if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
+ void * arg = opt->arg;
+/*@-branchstate@*/
+ /* XXX sick hack to preserve pretense of ABI. */
+ if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
+/*@=branchstate@*/
+ /* Recurse on included sub-tables. */
+ if (opt->arg != NULL) /* XXX program error */
+ invokeCallbacksOPTION(con, opt->arg, myOpt, myData, shorty);
+ } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK &&
+ !(opt->argInfo & POPT_CBFLAG_SKIPOPTION)) {
+ /* Save callback info. */
+ cbopt = opt;
+ } else if (cbopt != NULL &&
+ ((myOpt->shortName && opt->shortName && shorty &&
+ myOpt->shortName == opt->shortName) ||
+ (myOpt->longName && opt->longName &&
+ /*@-nullpass@*/ /* LCL: opt->longName != NULL */
+ !strcmp(myOpt->longName, opt->longName)))
+ /*@=nullpass@*/
+ )
+ { /*@-castfcnptr@*/
+ poptCallbackType cb = (poptCallbackType)cbopt->arg;
+ /*@=castfcnptr@*/
+ const void * cbData = (cbopt->descrip ? cbopt->descrip : myData);
+ /* Perform callback. */
+ if (cb != NULL) { /* XXX program error */
+ /*@-noeffectuncon @*/
+ cb(con, POPT_CALLBACK_REASON_OPTION, myOpt,
+ con->os->nextArg, cbData);
+ /*@=noeffectuncon @*/
+ }
+ /* Terminate (unless explcitly continuing). */
+ if (!(cbopt->argInfo & POPT_CBFLAG_CONTINUE))
+ return;
+ }
+ }
+}
+
+poptContext poptGetContext(const char * name, int argc, const char ** argv,
+ const struct poptOption * options, int flags)
+{
+ poptContext con = malloc(sizeof(*con));
+
+ if (con == NULL) return NULL; /* XXX can't happen */
+ memset(con, 0, sizeof(*con));
+
+ con->os = con->optionStack;
+ con->os->argc = argc;
+ /*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */
+ con->os->argv = argv;
+ /*@=dependenttrans =assignexpose@*/
+ con->os->argb = NULL;
+
+ if (!(flags & POPT_CONTEXT_KEEP_FIRST))
+ con->os->next = 1; /* skip argv[0] */
+
+ con->leftovers = calloc( (argc + 1), sizeof(*con->leftovers) );
+ /*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */
+ con->options = options;
+ /*@=dependenttrans =assignexpose@*/
+ con->aliases = NULL;
+ con->numAliases = 0;
+ con->flags = flags;
+ con->execs = NULL;
+ con->numExecs = 0;
+ con->finalArgvAlloced = argc * 2;
+ con->finalArgv = calloc( con->finalArgvAlloced, sizeof(*con->finalArgv) );
+ con->execAbsolute = 1;
+ con->arg_strip = NULL;
+
+ if (getenv("POSIXLY_CORRECT") || getenv("POSIX_ME_HARDER"))
+ con->flags |= POPT_CONTEXT_POSIXMEHARDER;
+
+ if (name) {
+ size_t bufsize = strlen(name) + 1;
+ char * t = malloc(bufsize);
+ if (t) {
+ strlcpy(t, name, bufsize);
+ con->appName = t;
+ }
+ }
+
+ /*@-internalglobs@*/
+ invokeCallbacksPRE(con, con->options);
+ /*@=internalglobs@*/
+
+ return con;
+}
+
+static void cleanOSE(/*@special@*/ struct optionStackEntry *os)
+ /*@uses os @*/
+ /*@releases os->nextArg, os->argv, os->argb @*/
+ /*@modifies os @*/
+{
+ os->nextArg = _free(os->nextArg);
+ os->argv = _free(os->argv);
+ os->argb = PBM_FREE(os->argb);
+}
+
+/*@-boundswrite@*/
+void poptResetContext(poptContext con)
+{
+ int i;
+
+ if (con == NULL) return;
+ while (con->os > con->optionStack) {
+ cleanOSE(con->os--);
+ }
+ con->os->argb = PBM_FREE(con->os->argb);
+ con->os->currAlias = NULL;
+ con->os->nextCharArg = NULL;
+ con->os->nextArg = NULL;
+ con->os->next = 1; /* skip argv[0] */
+
+ con->numLeftovers = 0;
+ con->nextLeftover = 0;
+ con->restLeftover = 0;
+ con->doExec = NULL;
+
+ if (con->finalArgv != NULL)
+ for (i = 0; i < con->finalArgvCount; i++) {
+ /*@-unqualifiedtrans@*/ /* FIX: typedef double indirection. */
+ con->finalArgv[i] = _free(con->finalArgv[i]);
+ /*@=unqualifiedtrans@*/
+ }
+
+ con->finalArgvCount = 0;
+ con->arg_strip = PBM_FREE(con->arg_strip);
+ /*@-nullstate@*/ /* FIX: con->finalArgv != NULL */
+ return;
+ /*@=nullstate@*/
+}
+/*@=boundswrite@*/
+
+/* Only one of longName, shortName should be set, not both. */
+/*@-boundswrite@*/
+static int handleExec(/*@special@*/ poptContext con,
+ /*@null@*/ const char * longName, char shortName)
+ /*@uses con->execs, con->numExecs, con->flags, con->doExec,
+ con->finalArgv, con->finalArgvAlloced, con->finalArgvCount @*/
+ /*@modifies con @*/
+{
+ poptItem item;
+ int i;
+
+ if (con->execs == NULL || con->numExecs <= 0) /* XXX can't happen */
+ return 0;
+
+ for (i = con->numExecs - 1; i >= 0; i--) {
+ item = con->execs + i;
+ if (longName && !(item->option.longName &&
+ !strcmp(longName, item->option.longName)))
+ continue;
+ else if (shortName != item->option.shortName)
+ continue;
+ break;
+ }
+ if (i < 0) return 0;
+
+
+ if (con->flags & POPT_CONTEXT_NO_EXEC)
+ return 1;
+
+ if (con->doExec == NULL) {
+ con->doExec = con->execs + i;
+ return 1;
+ }
+
+ /* We already have an exec to do; remember this option for next
+ time 'round */
+ if ((con->finalArgvCount + 1) >= (con->finalArgvAlloced)) {
+ con->finalArgvAlloced += 10;
+ con->finalArgv = realloc(con->finalArgv,
+ sizeof(*con->finalArgv) * con->finalArgvAlloced);
+ }
+
+ i = con->finalArgvCount++;
+ if (con->finalArgv != NULL) /* XXX can't happen */
+ { size_t bufsize = (longName ? strlen(longName) : 0) + 3;
+ char *s = malloc(bufsize);
+ if (s != NULL) { /* XXX can't happen */
+ if (longName)
+ snprintf(s, bufsize, "--%s", longName);
+ else
+ snprintf(s, bufsize, "-%c", shortName);
+ con->finalArgv[i] = s;
+ } else
+ con->finalArgv[i] = NULL;
+ }
+
+ /*@-nullstate@*/ /* FIX: con->finalArgv[] == NULL */
+ return 1;
+ /*@=nullstate@*/
+}
+/*@=boundswrite@*/
+
+/* Only one of longName, shortName may be set at a time */
+static int handleAlias(/*@special@*/ poptContext con,
+ /*@null@*/ const char * longName, char shortName,
+ /*@exposed@*/ /*@null@*/ const char * nextCharArg)
+ /*@uses con->aliases, con->numAliases, con->optionStack, con->os,
+ con->os->currAlias, con->os->currAlias->option.longName @*/
+ /*@modifies con @*/
+{
+ poptItem item = con->os->currAlias;
+ int rc;
+ int i;
+
+ if (item) {
+ if (longName && (item->option.longName &&
+ !strcmp(longName, item->option.longName)))
+ return 0;
+ if (shortName && shortName == item->option.shortName)
+ return 0;
+ }
+
+ if (con->aliases == NULL || con->numAliases <= 0) /* XXX can't happen */
+ return 0;
+
+ for (i = con->numAliases - 1; i >= 0; i--) {
+ item = con->aliases + i;
+ if (longName && !(item->option.longName &&
+ !strcmp(longName, item->option.longName)))
+ continue;
+ else if (shortName != item->option.shortName)
+ continue;
+ break;
+ }
+ if (i < 0) return 0;
+
+ if ((con->os - con->optionStack + 1) == POPT_OPTION_DEPTH)
+ return POPT_ERROR_OPTSTOODEEP;
+
+/*@-boundsread@*/
+ if (nextCharArg && *nextCharArg)
+ con->os->nextCharArg = nextCharArg;
+/*@=boundsread@*/
+
+ con->os++;
+ con->os->next = 0;
+ con->os->stuffed = 0;
+ con->os->nextArg = NULL;
+ con->os->nextCharArg = NULL;
+ con->os->currAlias = con->aliases + i;
+ rc = poptDupArgv(con->os->currAlias->argc, con->os->currAlias->argv,
+ &con->os->argc, &con->os->argv);
+ con->os->argb = NULL;
+
+ return (rc ? rc : 1);
+}
+
+/*@-bounds -boundswrite @*/
+static int execCommand(poptContext con)
+ /*@globals internalState @*/
+ /*@modifies internalState @*/
+{
+ poptItem item = con->doExec;
+ const char ** argv;
+ int argc = 0;
+
+ if (item == NULL) /*XXX can't happen*/
+ return POPT_ERROR_NOARG;
+
+ if (item->argv == NULL || item->argc < 1 ||
+ (!con->execAbsolute && strchr(item->argv[0], '/')))
+ return POPT_ERROR_NOARG;
+
+ argv = malloc(sizeof(*argv) *
+ (6 + item->argc + con->numLeftovers + con->finalArgvCount));
+ if (argv == NULL) return POPT_ERROR_MALLOC;
+
+ if (!strchr(item->argv[0], '/') && con->execPath != NULL) {
+ size_t bufsize = strlen(con->execPath) + strlen(item->argv[0]) + sizeof "/";
+ char *s = alloca(bufsize);
+ snprintf(s, bufsize, "%s/%s", con->execPath, item->argv[0]);
+ argv[argc] = s;
+ } else
+ argv[argc] = findProgramPath(item->argv[0]);
+ if (argv[argc++] == NULL) return POPT_ERROR_NOARG;
+
+ if (item->argc > 1) {
+ memcpy(argv + argc, item->argv + 1, sizeof(*argv) * (item->argc - 1));
+ argc += (item->argc - 1);
+ }
+
+ if (con->finalArgv != NULL && con->finalArgvCount > 0) {
+ memcpy(argv + argc, con->finalArgv,
+ sizeof(*argv) * con->finalArgvCount);
+ argc += con->finalArgvCount;
+ }
+
+ if (con->leftovers != NULL && con->numLeftovers > 0) {
+ memcpy(argv + argc, con->leftovers, sizeof(*argv) * con->numLeftovers);
+ argc += con->numLeftovers;
+ }
+
+ argv[argc] = NULL;
+
+ {
+#ifdef __hpux
+ int rc = setresgid(getgid(), getgid(),-1);
+ if (rc) return POPT_ERROR_ERRNO;
+ rc = setresuid(getuid(), getuid(),-1);
+ if (rc) return POPT_ERROR_ERRNO;
+#else
+/*
+ * XXX " ... on BSD systems setuid() should be preferred over setreuid()"
+ * XXX sez' Timur Bakeyev <mc@bat.ru>
+ * XXX from Norbert Warmuth <nwarmuth@privat.circular.de>
+ */
+#if defined(HAVE_SETUID)
+ int rc = setgid(getgid());
+ if (rc) return POPT_ERROR_ERRNO;
+ rc = setuid(getuid());
+ if (rc) return POPT_ERROR_ERRNO;
+#elif defined (HAVE_SETREUID)
+ int rc = setregid(getgid(), getgid());
+ if (rc) return POPT_ERROR_ERRNO;
+ rc = setreuid(getuid(), getuid());
+ if (rc) return POPT_ERROR_ERRNO;
+#else
+ ; /* Can't drop privileges */
+#endif
+#endif
+ }
+
+ if (argv[0] == NULL)
+ return POPT_ERROR_NOARG;
+
+#ifdef MYDEBUG
+if (_popt_debug)
+ { const char ** avp;
+ fprintf(stderr, "==> execvp(%s) argv[%d]:", argv[0], argc);
+ for (avp = argv; *avp; avp++)
+ fprintf(stderr, " '%s'", *avp);
+ fprintf(stderr, "\n");
+ }
+#endif
+
+ execvp(argv[0], (char *const *)argv);
+
+ return POPT_ERROR_ERRNO;
+}
+/*@=bounds =boundswrite @*/
+
+/*@-boundswrite@*/
+/*@observer@*/ /*@null@*/ static const struct poptOption *
+findOption(const struct poptOption * opt, /*@null@*/ const char * longName,
+ char shortName,
+ /*@null@*/ /*@out@*/ poptCallbackType * callback,
+ /*@null@*/ /*@out@*/ const void ** callbackData,
+ int singleDash)
+ /*@modifies *callback, *callbackData */
+{
+ const struct poptOption * cb = NULL;
+
+ /* This happens when a single - is given */
+ if (singleDash && !shortName && (longName && *longName == '\0'))
+ shortName = '-';
+
+ for (; opt->longName || opt->shortName || opt->arg; opt++) {
+
+ if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
+ const struct poptOption * opt2;
+ void * arg = opt->arg;
+
+/*@-branchstate@*/
+ /* XXX sick hack to preserve pretense of ABI. */
+ if (arg == poptHelpOptions) arg = poptHelpOptionsI18N;
+/*@=branchstate@*/
+ /* Recurse on included sub-tables. */
+ if (arg == NULL) continue; /* XXX program error */
+ opt2 = findOption(arg, longName, shortName, callback,
+ callbackData, singleDash);
+ if (opt2 == NULL) continue;
+ /* Sub-table data will be inheirited if no data yet. */
+ if (!(callback && *callback)) return opt2;
+ if (!(callbackData && *callbackData == NULL)) return opt2;
+ /*@-observertrans -dependenttrans @*/
+ *callbackData = opt->descrip;
+ /*@=observertrans =dependenttrans @*/
+ return opt2;
+ } else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK) {
+ cb = opt;
+ } else if (longName && opt->longName &&
+ (!singleDash || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) &&
+ /*@-nullpass@*/ /* LCL: opt->longName != NULL */
+ !strcmp(longName, opt->longName))
+ /*@=nullpass@*/
+ {
+ break;
+ } else if (shortName && shortName == opt->shortName) {
+ break;
+ }
+ }
+
+ if (!opt->longName && !opt->shortName)
+ return NULL;
+ /*@-modobserver -mods @*/
+ if (callback) *callback = NULL;
+ if (callbackData) *callbackData = NULL;
+ if (cb) {
+ if (callback)
+ /*@-castfcnptr@*/
+ *callback = (poptCallbackType)cb->arg;
+ /*@=castfcnptr@*/
+ if (!(cb->argInfo & POPT_CBFLAG_INC_DATA)) {
+ if (callbackData)
+ /*@-observertrans@*/ /* FIX: typedef double indirection. */
+ *callbackData = cb->descrip;
+ /*@=observertrans@*/
+ }
+ }
+ /*@=modobserver =mods @*/
+
+ return opt;
+}
+/*@=boundswrite@*/
+
+static const char * findNextArg(/*@special@*/ poptContext con,
+ unsigned argx, int delete_arg)
+ /*@uses con->optionStack, con->os,
+ con->os->next, con->os->argb, con->os->argc, con->os->argv @*/
+ /*@modifies con @*/
+{
+ struct optionStackEntry * os = con->os;
+ const char * arg;
+
+ do {
+ int i;
+ arg = NULL;
+ while (os->next == os->argc && os > con->optionStack) os--;
+ if (os->next == os->argc && os == con->optionStack) break;
+ if (os->argv != NULL)
+ for (i = os->next; i < os->argc; i++) {
+ /*@-sizeoftype@*/
+ if (os->argb && PBM_ISSET(i, os->argb))
+ /*@innercontinue@*/ continue;
+ if (*os->argv[i] == '-')
+ /*@innercontinue@*/ continue;
+ if (--argx > 0)
+ /*@innercontinue@*/ continue;
+ arg = os->argv[i];
+ if (delete_arg) {
+ if (os->argb == NULL) os->argb = PBM_ALLOC(os->argc);
+ if (os->argb != NULL) /* XXX can't happen */
+ PBM_SET(i, os->argb);
+ }
+ /*@innerbreak@*/ break;
+ /*@=sizeoftype@*/
+ }
+ if (os > con->optionStack) os--;
+ } while (arg == NULL);
+ return arg;
+}
+
+/*@-boundswrite@*/
+static /*@only@*/ /*@null@*/ const char *
+expandNextArg(/*@special@*/ poptContext con, const char * s)
+ /*@uses con->optionStack, con->os,
+ con->os->next, con->os->argb, con->os->argc, con->os->argv @*/
+ /*@modifies con @*/
+{
+ const char * a = NULL;
+ size_t alen, pos;
+ char *t, *te;
+ size_t tn = strlen(s) + 1;
+ char c;
+
+ te = t = malloc(tn);;
+ if (t == NULL) return NULL; /* XXX can't happen */
+ while ((c = *s++) != '\0') {
+ switch (c) {
+#if 0 /* XXX can't do this */
+ case '\\': /* escape */
+ c = *s++;
+ /*@switchbreak@*/ break;
+#endif
+ case '!':
+ if (!(s[0] == '#' && s[1] == ':' && s[2] == '+'))
+ /*@switchbreak@*/ break;
+ /* XXX Make sure that findNextArg deletes only next arg. */
+ if (a == NULL) {
+ if ((a = findNextArg(con, 1, 1)) == NULL)
+ /*@switchbreak@*/ break;
+ }
+ s += 3;
+
+ alen = strlen(a);
+ tn += alen;
+ pos = te - t;
+ t = realloc(t, tn);
+ te = t + pos;
+ memcpy(te, a, alen+1); te += alen;
+ continue;
+ /*@notreached@*/ /*@switchbreak@*/ break;
+ default:
+ /*@switchbreak@*/ break;
+ }
+ *te++ = c;
+ }
+ *te = '\0';
+ t = realloc(t, strlen(t) + 1); /* XXX memory leak, hard to plug */
+ return t;
+}
+/*@=boundswrite@*/
+
+static void poptStripArg(/*@special@*/ poptContext con, int which)
+ /*@uses con->arg_strip, con->optionStack @*/
+ /*@defines con->arg_strip @*/
+ /*@modifies con @*/
+{
+ /*@-sizeoftype@*/
+ if (con->arg_strip == NULL)
+ con->arg_strip = PBM_ALLOC(con->optionStack[0].argc);
+ if (con->arg_strip != NULL) /* XXX can't happen */
+ PBM_SET(which, con->arg_strip);
+ /*@=sizeoftype@*/
+ /*@-compdef@*/ /* LCL: con->arg_strip udefined? */
+ return;
+ /*@=compdef@*/
+}
+
+int poptSaveLong(long * arg, int argInfo, long aLong)
+{
+ /* XXX Check alignment, may fail on funky platforms. */
+ if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1)))
+ return POPT_ERROR_NULLARG;
+
+ if (argInfo & POPT_ARGFLAG_NOT)
+ aLong = ~aLong;
+ switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
+ case 0:
+ *arg = aLong;
+ break;
+ case POPT_ARGFLAG_OR:
+ *arg |= aLong;
+ break;
+ case POPT_ARGFLAG_AND:
+ *arg &= aLong;
+ break;
+ case POPT_ARGFLAG_XOR:
+ *arg ^= aLong;
+ break;
+ default:
+ return POPT_ERROR_BADOPERATION;
+ /*@notreached@*/ break;
+ }
+ return 0;
+}
+
+int poptSaveInt(/*@null@*/ int * arg, int argInfo, long aLong)
+{
+ /* XXX Check alignment, may fail on funky platforms. */
+ if (arg == NULL || (((unsigned long)arg) & (sizeof(*arg)-1)))
+ return POPT_ERROR_NULLARG;
+
+ if (argInfo & POPT_ARGFLAG_NOT)
+ aLong = ~aLong;
+ switch (argInfo & POPT_ARGFLAG_LOGICALOPS) {
+ case 0:
+ *arg = aLong;
+ break;
+ case POPT_ARGFLAG_OR:
+ *arg |= aLong;
+ break;
+ case POPT_ARGFLAG_AND:
+ *arg &= aLong;
+ break;
+ case POPT_ARGFLAG_XOR:
+ *arg ^= aLong;
+ break;
+ default:
+ return POPT_ERROR_BADOPERATION;
+ /*@notreached@*/ break;
+ }
+ return 0;
+}
+
+/*@-boundswrite@*/
+/* returns 'val' element, -1 on last item, POPT_ERROR_* on error */
+int poptGetNextOpt(poptContext con)
+{
+ const struct poptOption * opt = NULL;
+ int done = 0;
+
+ if (con == NULL)
+ return -1;
+ while (!done) {
+ const char * origOptString = NULL;
+ poptCallbackType cb = NULL;
+ const void * cbData = NULL;
+ const char * longArg = NULL;
+ int canstrip = 0;
+ int shorty = 0;
+
+ while (!con->os->nextCharArg && con->os->next == con->os->argc
+ && con->os > con->optionStack) {
+ cleanOSE(con->os--);
+ }
+ if (!con->os->nextCharArg && con->os->next == con->os->argc) {
+ /*@-internalglobs@*/
+ invokeCallbacksPOST(con, con->options);
+ /*@=internalglobs@*/
+ if (con->doExec) return execCommand(con);
+ return -1;
+ }
+
+ /* Process next long option */
+ if (!con->os->nextCharArg) {
+ char * localOptString, * optString;
+ int thisopt;
+
+ /*@-sizeoftype@*/
+ if (con->os->argb && PBM_ISSET(con->os->next, con->os->argb)) {
+ con->os->next++;
+ continue;
+ }
+ /*@=sizeoftype@*/
+ thisopt = con->os->next;
+ if (con->os->argv != NULL) /* XXX can't happen */
+ origOptString = con->os->argv[con->os->next++];
+
+ if (origOptString == NULL) /* XXX can't happen */
+ return POPT_ERROR_BADOPT;
+
+ if (con->restLeftover || *origOptString != '-') {
+ if (con->flags & POPT_CONTEXT_POSIXMEHARDER)
+ con->restLeftover = 1;
+ if (con->flags & POPT_CONTEXT_ARG_OPTS) {
+ con->os->nextArg = xstrdup(origOptString);
+ return 0;
+ }
+ if (con->leftovers != NULL) /* XXX can't happen */
+ con->leftovers[con->numLeftovers++] = origOptString;
+ continue;
+ }
+
+ /* Make a copy we can hack at */
+ { size_t bufsize = strlen(origOptString) + 1;
+ localOptString = optString = alloca(bufsize);
+ if (optString == NULL) /* XXX can't happen */
+ return POPT_ERROR_BADOPT;
+ strlcpy(optString, origOptString, bufsize);
+ }
+
+ if (optString[0] == '\0')
+ return POPT_ERROR_BADOPT;
+
+ if (optString[1] == '-' && !optString[2]) {
+ con->restLeftover = 1;
+ continue;
+ } else {
+ char *oe;
+ int singleDash;
+
+ optString++;
+ if (*optString == '-')
+ singleDash = 0, optString++;
+ else
+ singleDash = 1;
+
+ /* XXX aliases with arg substitution need "--alias=arg" */
+ if (handleAlias(con, optString, '\0', NULL))
+ continue;
+
+ if (handleExec(con, optString, '\0'))
+ continue;
+
+ /* Check for "--long=arg" option. */
+ for (oe = optString; *oe && *oe != '='; oe++)
+ {};
+ if (*oe == '=') {
+ *oe++ = '\0';
+ /* XXX longArg is mapped back to persistent storage. */
+ longArg = origOptString + (oe - localOptString);
+ } else
+ oe = NULL;
+
+ opt = findOption(con->options, optString, '\0', &cb, &cbData,
+ singleDash);
+ if (!opt && !singleDash)
+ return POPT_ERROR_BADOPT;
+ if (!opt && oe)
+ oe[-1] = '='; /* restore overwritten '=' */
+ }
+
+ if (!opt) {
+ con->os->nextCharArg = origOptString + 1;
+ longArg = NULL;
+ } else {
+ if (con->os == con->optionStack &&
+ opt->argInfo & POPT_ARGFLAG_STRIP)
+ {
+ canstrip = 1;
+ poptStripArg(con, thisopt);
+ }
+ shorty = 0;
+ }
+ }
+
+ /* Process next short option */
+ /*@-branchstate@*/ /* FIX: W2DO? */
+ if (con->os->nextCharArg) {
+ origOptString = con->os->nextCharArg;
+
+ con->os->nextCharArg = NULL;
+
+ if (handleAlias(con, NULL, *origOptString, origOptString + 1))
+ continue;
+
+ if (handleExec(con, NULL, *origOptString)) {
+ /* Restore rest of short options for further processing */
+ origOptString++;
+ if (*origOptString != '\0')
+ con->os->nextCharArg = origOptString;
+ continue;
+ }
+
+ opt = findOption(con->options, NULL, *origOptString, &cb,
+ &cbData, 0);
+ if (!opt)
+ return POPT_ERROR_BADOPT;
+ shorty = 1;
+
+ origOptString++;
+ if (*origOptString != '\0')
+ con->os->nextCharArg = origOptString;
+ }
+ /*@=branchstate@*/
+
+ if (opt == NULL) return POPT_ERROR_BADOPT; /* XXX can't happen */
+ if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE
+ || (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL) {
+ if (longArg || (con->os->nextCharArg && con->os->nextCharArg[0] == '='))
+ return POPT_ERROR_UNWANTEDARG;
+ if (opt->arg) {
+ long val = (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL ? opt->val : 1;
+ if (poptSaveInt((int *)opt->arg, opt->argInfo, val))
+ return POPT_ERROR_BADOPERATION;
+ }
+ } else {
+ con->os->nextArg = _free(con->os->nextArg);
+ /*@-usedef@*/ /* FIX: W2DO? */
+ if (longArg) {
+ /*@=usedef@*/
+ longArg = expandNextArg(con, longArg);
+ con->os->nextArg = longArg;
+ } else if (con->os->nextCharArg) {
+ longArg = expandNextArg(con, con->os->nextCharArg + (con->os->nextCharArg[0] == '='));
+ con->os->nextArg = longArg;
+ con->os->nextCharArg = NULL;
+ } else {
+ while (con->os->next == con->os->argc &&
+ con->os > con->optionStack) {
+ cleanOSE(con->os--);
+ }
+ if (con->os->next == con->os->argc) {
+ if (!(opt->argInfo & POPT_ARGFLAG_OPTIONAL))
+ /*@-compdef@*/ /* FIX: con->os->argv not defined */
+ return POPT_ERROR_NOARG;
+ /*@=compdef@*/
+ con->os->nextArg = NULL;
+ } else {
+
+ /*
+ * Make sure this isn't part of a short arg or the
+ * result of an alias expansion.
+ */
+ if (con->os == con->optionStack &&
+ (opt->argInfo & POPT_ARGFLAG_STRIP) &&
+ canstrip) {
+ poptStripArg(con, con->os->next);
+ }
+
+ if (con->os->argv != NULL) { /* XXX can't happen */
+ /* XXX watchout: subtle side-effects live here. */
+ longArg = con->os->argv[con->os->next++];
+ longArg = expandNextArg(con, longArg);
+ con->os->nextArg = longArg;
+ }
+ }
+ }
+ longArg = NULL;
+
+ if (opt->arg) {
+ switch (opt->argInfo & POPT_ARG_MASK) {
+ case POPT_ARG_STRING:
+ /* XXX memory leak, hard to plug */
+ *((const char **) opt->arg) = (con->os->nextArg)
+ ? xstrdup(con->os->nextArg) : NULL;
+ /*@switchbreak@*/ break;
+
+ case POPT_ARG_INT:
+ case POPT_ARG_LONG:
+ { long aLong = 0;
+ char *end;
+
+ if (con->os->nextArg) {
+ aLong = strtol(con->os->nextArg, &end, 0);
+ if (!(end && *end == '\0'))
+ return POPT_ERROR_BADNUMBER;
+ }
+
+ if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_LONG) {
+ if (aLong == LONG_MIN || aLong == LONG_MAX)
+ return POPT_ERROR_OVERFLOW;
+ if (poptSaveLong((long *)opt->arg, opt->argInfo, aLong))
+ return POPT_ERROR_BADOPERATION;
+ } else {
+ if (aLong > INT_MAX || aLong < INT_MIN)
+ return POPT_ERROR_OVERFLOW;
+ if (poptSaveInt((int *)opt->arg, opt->argInfo, aLong))
+ return POPT_ERROR_BADOPERATION;
+ }
+ } /*@switchbreak@*/ break;
+
+ case POPT_ARG_FLOAT:
+ case POPT_ARG_DOUBLE:
+ { double aDouble = 0.0;
+ char *end;
+
+ if (con->os->nextArg) {
+ /*@-mods@*/
+ int saveerrno = errno;
+ errno = 0;
+ aDouble = strtod(con->os->nextArg, &end);
+ if (errno == ERANGE)
+ return POPT_ERROR_OVERFLOW;
+ errno = saveerrno;
+ /*@=mods@*/
+ if (*end != '\0')
+ return POPT_ERROR_BADNUMBER;
+ }
+
+ if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_DOUBLE) {
+ *((double *) opt->arg) = aDouble;
+ } else {
+#define MY_ABS(a) ((((a) - 0.0) < DBL_EPSILON) ? -(a) : (a))
+ if ((MY_ABS(aDouble) - FLT_MAX) > DBL_EPSILON)
+ return POPT_ERROR_OVERFLOW;
+ if ((FLT_MIN - MY_ABS(aDouble)) > DBL_EPSILON)
+ return POPT_ERROR_OVERFLOW;
+ *((float *) opt->arg) = aDouble;
+ }
+ } /*@switchbreak@*/ break;
+ default:
+ fprintf(stdout,
+ POPT_("option type (%d) not implemented in popt\n"),
+ (opt->argInfo & POPT_ARG_MASK));
+ exit(EXIT_FAILURE);
+ /*@notreached@*/ /*@switchbreak@*/ break;
+ }
+ }
+ }
+
+ if (cb) {
+ /*@-internalglobs@*/
+ invokeCallbacksOPTION(con, con->options, opt, cbData, shorty);
+ /*@=internalglobs@*/
+ } else if (opt->val && ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_VAL))
+ done = 1;
+
+ if ((con->finalArgvCount + 2) >= (con->finalArgvAlloced)) {
+ con->finalArgvAlloced += 10;
+ con->finalArgv = realloc(con->finalArgv,
+ sizeof(*con->finalArgv) * con->finalArgvAlloced);
+ }
+
+ if (con->finalArgv != NULL)
+ { ssize_t bufsize = (opt->longName ? strlen(opt->longName) : 0) + 3;
+ char *s = malloc(bufsize);
+ if (s != NULL) { /* XXX can't happen */
+ if (opt->longName)
+ snprintf(s, bufsize, "%s%s",
+ ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
+ opt->longName);
+ else
+ snprintf(s, bufsize, "-%c", opt->shortName);
+ con->finalArgv[con->finalArgvCount++] = s;
+ } else
+ con->finalArgv[con->finalArgvCount++] = NULL;
+ }
+
+ if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE)
+ /*@-ifempty@*/ ; /*@=ifempty@*/
+ else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_VAL)
+ /*@-ifempty@*/ ; /*@=ifempty@*/
+ else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) {
+ if (con->finalArgv != NULL && con->os->nextArg)
+ con->finalArgv[con->finalArgvCount++] =
+ /*@-nullpass@*/ /* LCL: con->os->nextArg != NULL */
+ xstrdup(con->os->nextArg);
+ /*@=nullpass@*/
+ }
+ }
+
+ return (opt ? opt->val : -1); /* XXX can't happen */
+}
+/*@=boundswrite@*/
+
+const char * poptGetOptArg(poptContext con)
+{
+ const char * ret = NULL;
+ /*@-branchstate@*/
+ if (con) {
+ ret = con->os->nextArg;
+ con->os->nextArg = NULL;
+ }
+ /*@=branchstate@*/
+ return ret;
+}
+
+const char * poptGetArg(poptContext con)
+{
+ const char * ret = NULL;
+ if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers)
+ ret = con->leftovers[con->nextLeftover++];
+ return ret;
+}
+
+const char * poptPeekArg(poptContext con)
+{
+ const char * ret = NULL;
+ if (con && con->leftovers != NULL && con->nextLeftover < con->numLeftovers)
+ ret = con->leftovers[con->nextLeftover];
+ return ret;
+}
+
+/*@-boundswrite@*/
+const char ** poptGetArgs(poptContext con)
+{
+ if (con == NULL ||
+ con->leftovers == NULL || con->numLeftovers == con->nextLeftover)
+ return NULL;
+
+ /* some apps like [like RPM ;-) ] need this NULL terminated */
+ con->leftovers[con->numLeftovers] = NULL;
+
+ /*@-nullret -nullstate @*/ /* FIX: typedef double indirection. */
+ return (con->leftovers + con->nextLeftover);
+ /*@=nullret =nullstate @*/
+}
+/*@=boundswrite@*/
+
+poptContext poptFreeContext(poptContext con)
+{
+ poptItem item;
+ int i;
+
+ if (con == NULL) return con;
+ poptResetContext(con);
+ con->os->argb = _free(con->os->argb);
+
+ if (con->aliases != NULL)
+ for (i = 0; i < con->numAliases; i++) {
+ item = con->aliases + i;
+ /*@-modobserver -observertrans -dependenttrans@*/
+ item->option.longName = _free(item->option.longName);
+ item->option.descrip = _free(item->option.descrip);
+ item->option.argDescrip = _free(item->option.argDescrip);
+ /*@=modobserver =observertrans =dependenttrans@*/
+ item->argv = _free(item->argv);
+ }
+ con->aliases = _free(con->aliases);
+
+ if (con->execs != NULL)
+ for (i = 0; i < con->numExecs; i++) {
+ item = con->execs + i;
+ /*@-modobserver -observertrans -dependenttrans@*/
+ item->option.longName = _free(item->option.longName);
+ item->option.descrip = _free(item->option.descrip);
+ item->option.argDescrip = _free(item->option.argDescrip);
+ /*@=modobserver =observertrans =dependenttrans@*/
+ item->argv = _free(item->argv);
+ }
+ con->execs = _free(con->execs);
+
+ con->leftovers = _free(con->leftovers);
+ con->finalArgv = _free(con->finalArgv);
+ con->appName = _free(con->appName);
+ con->otherHelp = _free(con->otherHelp);
+ con->execPath = _free(con->execPath);
+ con->arg_strip = PBM_FREE(con->arg_strip);
+
+ con = _free(con);
+ return con;
+}
+
+int poptAddAlias(poptContext con, struct poptAlias alias,
+ /*@unused@*/ UNUSED(int flags))
+{
+ poptItem item = (poptItem) alloca(sizeof(*item));
+ memset(item, 0, sizeof(*item));
+ item->option.longName = alias.longName;
+ item->option.shortName = alias.shortName;
+ item->option.argInfo = POPT_ARGFLAG_DOC_HIDDEN;
+ item->option.arg = 0;
+ item->option.val = 0;
+ item->option.descrip = NULL;
+ item->option.argDescrip = NULL;
+ item->argc = alias.argc;
+ item->argv = alias.argv;
+ return poptAddItem(con, item, 0);
+}
+
+/*@-boundswrite@*/
+/*@-mustmod@*/ /* LCL: con not modified? */
+int poptAddItem(poptContext con, poptItem newItem, int flags)
+{
+ poptItem * items, item;
+ int * nitems;
+
+ switch (flags) {
+ case 1:
+ items = &con->execs;
+ nitems = &con->numExecs;
+ break;
+ case 0:
+ items = &con->aliases;
+ nitems = &con->numAliases;
+ break;
+ default:
+ return 1;
+ /*@notreached@*/ break;
+ }
+
+ *items = realloc((*items), ((*nitems) + 1) * sizeof(**items));
+ if ((*items) == NULL)
+ return 1;
+
+ item = (*items) + (*nitems);
+
+ item->option.longName =
+ (newItem->option.longName ? xstrdup(newItem->option.longName) : NULL);
+ item->option.shortName = newItem->option.shortName;
+ item->option.argInfo = newItem->option.argInfo;
+ item->option.arg = newItem->option.arg;
+ item->option.val = newItem->option.val;
+ item->option.descrip =
+ (newItem->option.descrip ? xstrdup(newItem->option.descrip) : NULL);
+ item->option.argDescrip =
+ (newItem->option.argDescrip ? xstrdup(newItem->option.argDescrip) : NULL);
+ item->argc = newItem->argc;
+ item->argv = newItem->argv;
+
+ (*nitems)++;
+
+ return 0;
+}
+/*@=mustmod@*/
+/*@=boundswrite@*/
+
+const char * poptBadOption(poptContext con, int flags)
+{
+ struct optionStackEntry * os = NULL;
+
+ if (con != NULL)
+ os = (flags & POPT_BADOPTION_NOALIAS) ? con->optionStack : con->os;
+
+ /*@-nullderef@*/ /* LCL: os->argv != NULL */
+ return (os && os->argv ? os->argv[os->next - 1] : NULL);
+ /*@=nullderef@*/
+}
+
+const char * poptStrerror(const int error)
+{
+ switch (error) {
+ case POPT_ERROR_NOARG:
+ return POPT_("missing argument");
+ case POPT_ERROR_UNWANTEDARG:
+ return POPT_("option does not take an argument");
+ case POPT_ERROR_BADOPT:
+ return POPT_("unknown option");
+ case POPT_ERROR_BADOPERATION:
+ return POPT_("mutually exclusive logical operations requested");
+ case POPT_ERROR_NULLARG:
+ return POPT_("opt->arg should not be NULL");
+ case POPT_ERROR_OPTSTOODEEP:
+ return POPT_("aliases nested too deeply");
+ case POPT_ERROR_BADQUOTE:
+ return POPT_("error in parameter quoting");
+ case POPT_ERROR_BADNUMBER:
+ return POPT_("invalid numeric value");
+ case POPT_ERROR_OVERFLOW:
+ return POPT_("number too large or too small");
+ case POPT_ERROR_MALLOC:
+ return POPT_("memory allocation failed");
+ case POPT_ERROR_ERRNO:
+ return strerror(errno);
+ default:
+ return POPT_("unknown error");
+ }
+}
+
+int poptStuffArgs(poptContext con, const char ** argv)
+{
+ int argc;
+ int rc;
+
+ if ((con->os - con->optionStack) == POPT_OPTION_DEPTH)
+ return POPT_ERROR_OPTSTOODEEP;
+
+ for (argc = 0; argv[argc]; argc++)
+ {};
+
+ con->os++;
+ con->os->next = 0;
+ con->os->nextArg = NULL;
+ con->os->nextCharArg = NULL;
+ con->os->currAlias = NULL;
+ rc = poptDupArgv(argc, argv, &con->os->argc, &con->os->argv);
+ con->os->argb = NULL;
+ con->os->stuffed = 1;
+
+ return rc;
+}
+
+const char * poptGetInvocationName(poptContext con)
+{
+ return (con->os->argv ? con->os->argv[0] : "");
+}
+
+/*@-boundswrite@*/
+int poptStrippedArgv(poptContext con, int argc, char ** argv)
+{
+ int numargs = argc;
+ int j = 1;
+ int i;
+
+ /*@-sizeoftype@*/
+ if (con->arg_strip)
+ for (i = 1; i < argc; i++) {
+ if (PBM_ISSET(i, con->arg_strip))
+ numargs--;
+ }
+
+ for (i = 1; i < argc; i++) {
+ if (con->arg_strip && PBM_ISSET(i, con->arg_strip))
+ continue;
+ argv[j] = (j < numargs) ? argv[i] : NULL;
+ j++;
+ }
+ /*@=sizeoftype@*/
+
+ return numargs;
+}
+/*@=boundswrite@*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 08:59:45 +0000