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https://github.com/samba-team/samba.git
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2073fd0956
Signed-off-by: Amitay Isaacs <amitay@gmail.com> Reviewed-by: Andreas Schneider <asn@samba.org> Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org> Autobuild-Date(master): Tue May 8 12:55:04 CEST 2018 on sn-devel-144
1788 lines
47 KiB
C
1788 lines
47 KiB
C
/** \ingroup popt
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* \file popt/popt.c
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*/
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/* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING
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file accompanying popt source distributions, available from
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ftp://ftp.rpm.org/pub/rpm/dist */
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#undef MYDEBUG
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#include "system.h"
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#if defined(__LCLINT__)
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/*@-declundef -exportheader @*/
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extern long long int strtoll(const char *nptr, /*@null@*/ char **endptr,
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int base)
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/*@modifies *endptr@*/;
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/*@=declundef =exportheader @*/
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#endif
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#ifdef HAVE_FLOAT_H
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#include <float.h>
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#endif
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#include <math.h>
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#include "poptint.h"
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#ifdef MYDEBUG
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/*@unchecked@*/
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int _popt_debug = 0;
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#endif
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/*@unchecked@*/
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unsigned int _poptArgMask = POPT_ARG_MASK;
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/*@unchecked@*/
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unsigned int _poptGroupMask = POPT_GROUP_MASK;
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#if !defined(HAVE_STRERROR) && !defined(__LCLINT__)
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static char * strerror(int errno)
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{
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extern int sys_nerr;
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extern char * sys_errlist[];
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if ((0 <= errno) && (errno < sys_nerr))
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return sys_errlist[errno];
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else
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return POPT_("unknown errno");
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}
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#endif
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#ifdef MYDEBUG
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/*@unused@*/
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static void prtcon(const char *msg, poptContext con)
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{
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if (msg) fprintf(stderr, "%s", msg);
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fprintf(stderr, "\tcon %p os %p nextCharArg \"%s\" nextArg \"%s\" argv[%d] \"%s\"\n",
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con, con->os,
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(con->os->nextCharArg ? con->os->nextCharArg : ""),
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(con->os->nextArg ? con->os->nextArg : ""),
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con->os->next,
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(con->os->argv && con->os->argv[con->os->next]
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? con->os->argv[con->os->next] : ""));
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}
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#endif
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void poptSetExecPath(poptContext con, const char * path, int allowAbsolute)
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{
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con->execPath = _free(con->execPath);
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con->execPath = xstrdup(path);
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con->execAbsolute = allowAbsolute;
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return;
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}
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static void invokeCallbacksPRE(poptContext con, const struct poptOption * opt)
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/*@globals internalState@*/
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/*@modifies internalState@*/
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{
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if (opt != NULL)
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for (; opt->longName || opt->shortName || opt->arg; opt++) {
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poptArg arg = { .ptr = opt->arg };
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if (arg.ptr)
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switch (poptArgType(opt)) {
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case POPT_ARG_INCLUDE_TABLE: /* Recurse on included sub-tables. */
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poptSubstituteHelpI18N(arg.opt); /* XXX side effects */
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invokeCallbacksPRE(con, arg.opt);
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/*@switchbreak@*/ break;
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case POPT_ARG_CALLBACK: /* Perform callback. */
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if (!CBF_ISSET(opt, PRE))
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/*@switchbreak@*/ break;
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/*@-noeffectuncon @*/ /* XXX no known way to annotate (*vector) calls. */
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arg.cb(con, POPT_CALLBACK_REASON_PRE, NULL, NULL, opt->descrip);
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/*@=noeffectuncon @*/
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/*@switchbreak@*/ break;
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}
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}
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}
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static void invokeCallbacksPOST(poptContext con, const struct poptOption * opt)
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/*@globals internalState@*/
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/*@modifies internalState@*/
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{
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if (opt != NULL)
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for (; opt->longName || opt->shortName || opt->arg; opt++) {
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poptArg arg = { .ptr = opt->arg };
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if (arg.ptr)
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switch (poptArgType(opt)) {
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case POPT_ARG_INCLUDE_TABLE: /* Recurse on included sub-tables. */
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poptSubstituteHelpI18N(arg.opt); /* XXX side effects */
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invokeCallbacksPOST(con, arg.opt);
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/*@switchbreak@*/ break;
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case POPT_ARG_CALLBACK: /* Perform callback. */
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if (!CBF_ISSET(opt, POST))
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/*@switchbreak@*/ break;
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/*@-noeffectuncon @*/ /* XXX no known way to annotate (*vector) calls. */
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arg.cb(con, POPT_CALLBACK_REASON_POST, NULL, NULL, opt->descrip);
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/*@=noeffectuncon @*/
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/*@switchbreak@*/ break;
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}
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}
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}
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static void invokeCallbacksOPTION(poptContext con,
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const struct poptOption * opt,
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const struct poptOption * myOpt,
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/*@null@*/ const void * myData, int shorty)
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/*@globals internalState@*/
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/*@modifies internalState@*/
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{
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const struct poptOption * cbopt = NULL;
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poptArg cbarg = { .ptr = NULL };
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if (opt != NULL)
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for (; opt->longName || opt->shortName || opt->arg; opt++) {
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poptArg arg = { .ptr = opt->arg };
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switch (poptArgType(opt)) {
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case POPT_ARG_INCLUDE_TABLE: /* Recurse on included sub-tables. */
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poptSubstituteHelpI18N(arg.opt); /* XXX side effects */
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if (opt->arg != NULL)
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invokeCallbacksOPTION(con, opt->arg, myOpt, myData, shorty);
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/*@switchbreak@*/ break;
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case POPT_ARG_CALLBACK: /* Save callback info. */
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if (CBF_ISSET(opt, SKIPOPTION))
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/*@switchbreak@*/ break;
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cbopt = opt;
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cbarg.ptr = opt->arg;
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/*@switchbreak@*/ break;
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default: /* Perform callback on matching option. */
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if (cbopt == NULL || cbarg.cb == NULL)
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/*@switchbreak@*/ break;
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if ((myOpt->shortName && opt->shortName && shorty &&
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myOpt->shortName == opt->shortName)
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|| (myOpt->longName != NULL && opt->longName != NULL &&
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!strcmp(myOpt->longName, opt->longName)))
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{ const void *cbData = (cbopt->descrip ? cbopt->descrip : myData);
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/*@-noeffectuncon @*/ /* XXX no known way to annotate (*vector) calls. */
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cbarg.cb(con, POPT_CALLBACK_REASON_OPTION,
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myOpt, con->os->nextArg, cbData);
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/*@=noeffectuncon @*/
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/* Terminate (unless explcitly continuing). */
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if (!CBF_ISSET(cbopt, CONTINUE))
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return;
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}
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/*@switchbreak@*/ break;
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}
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}
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}
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poptContext poptGetContext(const char * name, int argc, const char ** argv,
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const struct poptOption * options, unsigned int flags)
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{
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poptContext con = malloc(sizeof(*con));
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if (con == NULL) return NULL; /* XXX can't happen */
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memset(con, 0, sizeof(*con));
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con->os = con->optionStack;
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con->os->argc = argc;
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/*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */
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con->os->argv = argv;
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/*@=dependenttrans =assignexpose@*/
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con->os->argb = NULL;
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if (!(flags & POPT_CONTEXT_KEEP_FIRST))
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con->os->next = 1; /* skip argv[0] */
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con->leftovers = calloc( (size_t)(argc + 1), sizeof(*con->leftovers) );
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/*@-dependenttrans -assignexpose@*/ /* FIX: W2DO? */
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con->options = options;
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/*@=dependenttrans =assignexpose@*/
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con->aliases = NULL;
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con->numAliases = 0;
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con->flags = flags;
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con->execs = NULL;
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con->numExecs = 0;
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con->finalArgvAlloced = argc * 2;
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con->finalArgv = calloc( (size_t)con->finalArgvAlloced, sizeof(*con->finalArgv) );
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con->execAbsolute = 1;
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con->arg_strip = NULL;
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if (getenv("POSIXLY_CORRECT") || getenv("POSIX_ME_HARDER"))
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con->flags |= POPT_CONTEXT_POSIXMEHARDER;
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if (name)
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con->appName = xstrdup(name);
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invokeCallbacksPRE(con, con->options);
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return con;
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}
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static void cleanOSE(/*@special@*/ struct optionStackEntry *os)
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/*@uses os @*/
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/*@releases os->nextArg, os->argv, os->argb @*/
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/*@modifies os @*/
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{
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os->nextArg = _free(os->nextArg);
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os->argv = _free(os->argv);
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os->argb = PBM_FREE(os->argb);
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}
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void poptResetContext(poptContext con)
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{
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int i;
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if (con == NULL) return;
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while (con->os > con->optionStack) {
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cleanOSE(con->os--);
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}
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con->os->argb = PBM_FREE(con->os->argb);
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con->os->currAlias = NULL;
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con->os->nextCharArg = NULL;
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con->os->nextArg = NULL;
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con->os->next = 1; /* skip argv[0] */
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con->numLeftovers = 0;
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con->nextLeftover = 0;
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con->restLeftover = 0;
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con->doExec = NULL;
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if (con->finalArgv != NULL)
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for (i = 0; i < con->finalArgvCount; i++) {
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/*@-unqualifiedtrans@*/ /* FIX: typedef double indirection. */
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con->finalArgv[i] = _free(con->finalArgv[i]);
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/*@=unqualifiedtrans@*/
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}
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con->finalArgvCount = 0;
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con->arg_strip = PBM_FREE(con->arg_strip);
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/*@-nullstate@*/ /* FIX: con->finalArgv != NULL */
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return;
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/*@=nullstate@*/
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}
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/* Only one of longName, shortName should be set, not both. */
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static int handleExec(/*@special@*/ poptContext con,
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/*@null@*/ const char * longName, char shortName)
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/*@uses con->execs, con->numExecs, con->flags, con->doExec,
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con->finalArgv, con->finalArgvAlloced, con->finalArgvCount @*/
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/*@modifies con @*/
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{
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poptItem item;
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int i;
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if (con->execs == NULL || con->numExecs <= 0) /* XXX can't happen */
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return 0;
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for (i = con->numExecs - 1; i >= 0; i--) {
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item = con->execs + i;
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if (longName && !(item->option.longName &&
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!strcmp(longName, item->option.longName)))
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continue;
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else if (shortName != item->option.shortName)
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continue;
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break;
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}
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if (i < 0) return 0;
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if (con->flags & POPT_CONTEXT_NO_EXEC)
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return 1;
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if (con->doExec == NULL) {
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con->doExec = con->execs + i;
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return 1;
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}
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/* We already have an exec to do; remember this option for next
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time 'round */
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if ((con->finalArgvCount + 1) >= (con->finalArgvAlloced)) {
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con->finalArgvAlloced += 10;
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con->finalArgv = realloc(con->finalArgv,
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sizeof(*con->finalArgv) * con->finalArgvAlloced);
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}
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i = con->finalArgvCount++;
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if (con->finalArgv != NULL) /* XXX can't happen */
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{ char *s = malloc((longName ? strlen(longName) : 0) + sizeof("--"));
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if (s != NULL) { /* XXX can't happen */
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con->finalArgv[i] = s;
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*s++ = '-';
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if (longName)
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s = stpcpy( stpcpy(s, "-"), longName);
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else
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*s++ = shortName;
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*s = '\0';
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} else
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con->finalArgv[i] = NULL;
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}
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return 1;
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}
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/**
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* Compare long option for equality, adjusting for POPT_ARGFLAG_TOGGLE.
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* @param opt option
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* @param longName arg option
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* @param longNameLen arg option length
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* @return does long option match?
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*/
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static int
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longOptionStrcmp(const struct poptOption * opt,
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/*@null@*/ const char * longName, size_t longNameLen)
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/*@*/
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{
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const char * optLongName = opt->longName;
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int rc;
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if (optLongName == NULL || longName == NULL) /* XXX can't heppen */
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return 0;
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if (F_ISSET(opt, TOGGLE)) {
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if (optLongName[0] == 'n' && optLongName[1] == 'o') {
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optLongName += sizeof("no") - 1;
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if (optLongName[0] == '-')
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optLongName++;
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}
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if (longName[0] == 'n' && longName[1] == 'o') {
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longName += sizeof("no") - 1;
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longNameLen -= sizeof("no") - 1;
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if (longName[0] == '-') {
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longName++;
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longNameLen--;
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}
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}
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}
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rc = (int)(strlen(optLongName) == longNameLen);
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if (rc)
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rc = (int)(strncmp(optLongName, longName, longNameLen) == 0);
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return rc;
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}
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/* Only one of longName, shortName may be set at a time */
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static int handleAlias(/*@special@*/ poptContext con,
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/*@null@*/ const char * longName, size_t longNameLen,
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char shortName,
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/*@exposed@*/ /*@null@*/ const char * nextArg)
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/*@uses con->aliases, con->numAliases, con->optionStack, con->os,
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con->os->currAlias, con->os->currAlias->option.longName @*/
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/*@modifies con @*/
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{
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poptItem item = con->os->currAlias;
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int rc;
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int i;
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if (item) {
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if (longName && item->option.longName != NULL
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&& longOptionStrcmp(&item->option, longName, longNameLen))
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return 0;
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else
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if (shortName && shortName == item->option.shortName)
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return 0;
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}
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if (con->aliases == NULL || con->numAliases <= 0) /* XXX can't happen */
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return 0;
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for (i = con->numAliases - 1; i >= 0; i--) {
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item = con->aliases + i;
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if (longName) {
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if (item->option.longName == NULL)
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continue;
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if (!longOptionStrcmp(&item->option, longName, longNameLen))
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continue;
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} else if (shortName != item->option.shortName)
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continue;
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break;
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}
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if (i < 0) return 0;
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if ((con->os - con->optionStack + 1) == POPT_OPTION_DEPTH)
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return POPT_ERROR_OPTSTOODEEP;
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if (longName == NULL && nextArg != NULL && *nextArg != '\0')
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con->os->nextCharArg = nextArg;
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con->os++;
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con->os->next = 0;
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con->os->stuffed = 0;
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con->os->nextArg = NULL;
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con->os->nextCharArg = NULL;
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con->os->currAlias = con->aliases + i;
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{ const char ** av;
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int ac = con->os->currAlias->argc;
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/* Append --foo=bar arg to alias argv array (if present). */
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if (longName && nextArg != NULL && *nextArg != '\0') {
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av = malloc((ac + 1 + 1) * sizeof(*av));
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if (av != NULL) { /* XXX won't happen. */
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for (i = 0; i < ac; i++) {
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av[i] = con->os->currAlias->argv[i];
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}
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av[ac++] = nextArg;
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av[ac] = NULL;
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} else /* XXX revert to old popt behavior if malloc fails. */
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av = con->os->currAlias->argv;
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} else
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av = con->os->currAlias->argv;
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rc = poptDupArgv(ac, av, &con->os->argc, &con->os->argv);
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if (av != NULL && av != con->os->currAlias->argv)
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free(av);
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}
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con->os->argb = NULL;
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return (rc ? rc : 1);
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}
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/**
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* Return absolute path to executable by searching PATH.
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* @param argv0 name of executable
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* @return (malloc'd) absolute path to executable (or NULL)
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*/
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static /*@null@*/
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const char * findProgramPath(/*@null@*/ const char * argv0)
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/*@*/
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{
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char *path = NULL, *s = NULL, *se;
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char *t = NULL;
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if (argv0 == NULL) return NULL; /* XXX can't happen */
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/* If there is a / in argv[0], it has to be an absolute path. */
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/* XXX Hmmm, why not if (argv0[0] == '/') ... instead? */
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if (strchr(argv0, '/'))
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return xstrdup(argv0);
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if ((path = getenv("PATH")) == NULL || (path = xstrdup(path)) == NULL)
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return NULL;
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/* The return buffer in t is big enough for any path. */
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if ((t = malloc(strlen(path) + strlen(argv0) + sizeof("/"))) != NULL)
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for (s = path; s && *s; s = se) {
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/* Snip PATH element into [s,se). */
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if ((se = strchr(s, ':')))
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*se++ = '\0';
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/* Append argv0 to PATH element. */
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(void) stpcpy(stpcpy(stpcpy(t, s), "/"), argv0);
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/* If file is executable, bingo! */
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if (!access(t, X_OK))
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break;
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}
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/* If no executable was found in PATH, return NULL. */
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/*@-compdef@*/
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if (!(s && *s) && t != NULL)
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t = _free(t);
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/*@=compdef@*/
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/*@-modobserver -observertrans -usedef @*/
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path = _free(path);
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/*@=modobserver =observertrans =usedef @*/
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return t;
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}
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static int execCommand(poptContext con)
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/*@globals internalState @*/
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/*@modifies internalState @*/
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{
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poptItem item = con->doExec;
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poptArgv argv = NULL;
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int argc = 0;
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int rc;
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int ec = POPT_ERROR_ERRNO;
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if (item == NULL) /*XXX can't happen*/
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return POPT_ERROR_NOARG;
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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) {
|
|
char *s = malloc(strlen(con->execPath) + strlen(item->argv[0]) + sizeof("/"));
|
|
if (s)
|
|
(void)stpcpy(stpcpy(stpcpy(s, con->execPath), "/"), item->argv[0]);
|
|
|
|
argv[argc] = s;
|
|
} else
|
|
argv[argc] = findProgramPath(item->argv[0]);
|
|
if (argv[argc++] == NULL) {
|
|
ec = POPT_ERROR_NOARG;
|
|
goto exit;
|
|
}
|
|
|
|
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;
|
|
|
|
#if defined(hpux) || defined(__hpux)
|
|
rc = setresgid(getgid(), getgid(),-1);
|
|
if (rc) goto exit;
|
|
rc = setresuid(getuid(), getuid(),-1);
|
|
if (rc) goto exit;
|
|
#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)
|
|
rc = setgid(getgid());
|
|
if (rc) goto exit;
|
|
rc = setuid(getuid());
|
|
if (rc) goto exit;
|
|
#elif defined (HAVE_SETREUID)
|
|
rc = setregid(getgid(), getgid());
|
|
if (rc) goto exit;
|
|
rc = setreuid(getuid(), getuid());
|
|
if (rc) goto exit;
|
|
#else
|
|
; /* Can't drop privileges */
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef MYDEBUG
|
|
if (_popt_debug)
|
|
{ poptArgv avp;
|
|
fprintf(stderr, "==> execvp(%s) argv[%d]:", argv[0], argc);
|
|
for (avp = argv; *avp; avp++)
|
|
fprintf(stderr, " '%s'", *avp);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
#endif
|
|
|
|
/*@-nullstate@*/
|
|
rc = execvp(argv[0], (char *const *)argv);
|
|
/*@=nullstate@*/
|
|
|
|
exit:
|
|
if (argv) {
|
|
if (argv[0])
|
|
free((void *)argv[0]);
|
|
free(argv);
|
|
}
|
|
return ec;
|
|
}
|
|
|
|
/*@observer@*/ /*@null@*/
|
|
static const struct poptOption *
|
|
findOption(const struct poptOption * opt,
|
|
/*@null@*/ const char * longName, size_t longNameLen,
|
|
char shortName,
|
|
/*@null@*/ /*@out@*/ poptCallbackType * callback,
|
|
/*@null@*/ /*@out@*/ const void ** callbackData,
|
|
unsigned int argInfo)
|
|
/*@modifies *callback, *callbackData */
|
|
{
|
|
const struct poptOption * cb = NULL;
|
|
poptArg cbarg = { .ptr = NULL };
|
|
|
|
/* This happens when a single - is given */
|
|
if (LF_ISSET(ONEDASH) && !shortName && (longName && *longName == '\0'))
|
|
shortName = '-';
|
|
|
|
for (; opt->longName || opt->shortName || opt->arg; opt++) {
|
|
poptArg arg = { .ptr = opt->arg };
|
|
|
|
switch (poptArgType(opt)) {
|
|
case POPT_ARG_INCLUDE_TABLE: /* Recurse on included sub-tables. */
|
|
{ const struct poptOption * opt2;
|
|
|
|
poptSubstituteHelpI18N(arg.opt); /* XXX side effects */
|
|
if (arg.ptr == NULL) continue; /* XXX program error */
|
|
opt2 = findOption(arg.opt, longName, longNameLen, shortName, callback,
|
|
callbackData, argInfo);
|
|
if (opt2 == NULL) continue;
|
|
/* Sub-table data will be inheirited if no data yet. */
|
|
/*@-observertrans -dependenttrans @*/
|
|
if (callback && *callback
|
|
&& callbackData && *callbackData == NULL)
|
|
*callbackData = opt->descrip;
|
|
/*@=observertrans =dependenttrans @*/
|
|
return opt2;
|
|
} /*@notreached@*/ /*@switchbreak@*/ break;
|
|
case POPT_ARG_CALLBACK:
|
|
cb = opt;
|
|
cbarg.ptr = opt->arg;
|
|
continue;
|
|
/*@notreached@*/ /*@switchbreak@*/ break;
|
|
default:
|
|
/*@switchbreak@*/ break;
|
|
}
|
|
|
|
if (longName != NULL && opt->longName != NULL &&
|
|
(!LF_ISSET(ONEDASH) || F_ISSET(opt, ONEDASH)) &&
|
|
longOptionStrcmp(opt, longName, longNameLen))
|
|
{
|
|
break;
|
|
} else if (shortName && shortName == opt->shortName) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (opt->longName == NULL && !opt->shortName)
|
|
return NULL;
|
|
|
|
/*@-modobserver -mods @*/
|
|
if (callback)
|
|
*callback = (cb ? cbarg.cb : NULL);
|
|
if (callbackData)
|
|
/*@-observertrans -dependenttrans @*/
|
|
*callbackData = (cb && !CBF_ISSET(cb, INC_DATA) ? cb->descrip : NULL);
|
|
/*@=observertrans =dependenttrans @*/
|
|
/*@=modobserver =mods @*/
|
|
|
|
return opt;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
char *t, *te;
|
|
size_t tn = strlen(s) + 1;
|
|
char c;
|
|
|
|
te = t = malloc(tn);
|
|
if (t == NULL) return NULL; /* XXX can't happen */
|
|
*t = '\0';
|
|
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, 1U, 1)) == NULL)
|
|
/*@switchbreak@*/ break;
|
|
}
|
|
s += sizeof("#:+") - 1;
|
|
|
|
tn += strlen(a);
|
|
{ size_t pos = (size_t) (te - t);
|
|
if ((t = realloc(t, tn)) == NULL) /* XXX can't happen */
|
|
return NULL;
|
|
te = stpcpy(t + pos, a);
|
|
}
|
|
continue;
|
|
/*@notreached@*/ /*@switchbreak@*/ break;
|
|
default:
|
|
/*@switchbreak@*/ break;
|
|
}
|
|
*te++ = c;
|
|
}
|
|
*te++ = '\0';
|
|
/* If the new string is longer than needed, shorten. */
|
|
if ((t + tn) > te) {
|
|
/*@-usereleased@*/ /* XXX splint can't follow the pointers. */
|
|
if ((te = realloc(t, (size_t)(te - t))) == NULL)
|
|
free(t);
|
|
t = te;
|
|
/*@=usereleased@*/
|
|
}
|
|
return t;
|
|
}
|
|
|
|
static void poptStripArg(/*@special@*/ poptContext con, int which)
|
|
/*@uses con->optionStack @*/
|
|
/*@defines con->arg_strip @*/
|
|
/*@modifies con @*/
|
|
{
|
|
/*@-compdef -sizeoftype -usedef @*/
|
|
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);
|
|
return;
|
|
/*@=compdef =sizeoftype =usedef @*/
|
|
}
|
|
|
|
/*@unchecked@*/
|
|
unsigned int _poptBitsN = _POPT_BITS_N;
|
|
/*@unchecked@*/
|
|
unsigned int _poptBitsM = _POPT_BITS_M;
|
|
/*@unchecked@*/
|
|
unsigned int _poptBitsK = _POPT_BITS_K;
|
|
|
|
/*@-sizeoftype@*/
|
|
static int _poptBitsNew(/*@null@*/ poptBits *bitsp)
|
|
/*@globals _poptBitsN, _poptBitsM, _poptBitsK @*/
|
|
/*@modifies *bitsp, _poptBitsN, _poptBitsM, _poptBitsK @*/
|
|
{
|
|
if (bitsp == NULL)
|
|
return POPT_ERROR_NULLARG;
|
|
|
|
/* XXX handle negated initialization. */
|
|
if (*bitsp == NULL) {
|
|
if (_poptBitsN == 0) {
|
|
_poptBitsN = _POPT_BITS_N;
|
|
_poptBitsM = _POPT_BITS_M;
|
|
}
|
|
if (_poptBitsM == 0U) _poptBitsM = (3 * _poptBitsN) / 2;
|
|
if (_poptBitsK == 0U || _poptBitsK > 32U) _poptBitsK = _POPT_BITS_K;
|
|
*bitsp = PBM_ALLOC(_poptBitsM-1);
|
|
}
|
|
/*@-nullstate@*/
|
|
return 0;
|
|
/*@=nullstate@*/
|
|
}
|
|
|
|
int poptBitsAdd(poptBits bits, const char * s)
|
|
{
|
|
size_t ns = (s ? strlen(s) : 0);
|
|
uint32_t h0 = 0;
|
|
uint32_t h1 = 0;
|
|
|
|
if (bits == NULL || ns == 0)
|
|
return POPT_ERROR_NULLARG;
|
|
|
|
poptJlu32lpair(s, ns, &h0, &h1);
|
|
|
|
for (ns = 0; ns < (size_t)_poptBitsK; ns++) {
|
|
uint32_t h = h0 + ns * h1;
|
|
uint32_t ix = (h % _poptBitsM);
|
|
PBM_SET(ix, bits);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int poptBitsChk(poptBits bits, const char * s)
|
|
{
|
|
size_t ns = (s ? strlen(s) : 0);
|
|
uint32_t h0 = 0;
|
|
uint32_t h1 = 0;
|
|
int rc = 1;
|
|
|
|
if (bits == NULL || ns == 0)
|
|
return POPT_ERROR_NULLARG;
|
|
|
|
poptJlu32lpair(s, ns, &h0, &h1);
|
|
|
|
for (ns = 0; ns < (size_t)_poptBitsK; ns++) {
|
|
uint32_t h = h0 + ns * h1;
|
|
uint32_t ix = (h % _poptBitsM);
|
|
if (PBM_ISSET(ix, bits))
|
|
continue;
|
|
rc = 0;
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
int poptBitsClr(poptBits bits)
|
|
{
|
|
static size_t nbw = (__PBM_NBITS/8);
|
|
size_t nw = (__PBM_IX(_poptBitsM-1) + 1);
|
|
|
|
if (bits == NULL)
|
|
return POPT_ERROR_NULLARG;
|
|
memset(bits, 0, nw * nbw);
|
|
return 0;
|
|
}
|
|
|
|
int poptBitsDel(poptBits bits, const char * s)
|
|
{
|
|
size_t ns = (s ? strlen(s) : 0);
|
|
uint32_t h0 = 0;
|
|
uint32_t h1 = 0;
|
|
|
|
if (bits == NULL || ns == 0)
|
|
return POPT_ERROR_NULLARG;
|
|
|
|
poptJlu32lpair(s, ns, &h0, &h1);
|
|
|
|
for (ns = 0; ns < (size_t)_poptBitsK; ns++) {
|
|
uint32_t h = h0 + ns * h1;
|
|
uint32_t ix = (h % _poptBitsM);
|
|
PBM_CLR(ix, bits);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int poptBitsIntersect(poptBits *ap, const poptBits b)
|
|
{
|
|
__pbm_bits *abits;
|
|
__pbm_bits *bbits;
|
|
__pbm_bits rc = 0;
|
|
size_t nw = (__PBM_IX(_poptBitsM-1) + 1);
|
|
size_t i;
|
|
|
|
if (ap == NULL || b == NULL || _poptBitsNew(ap))
|
|
return POPT_ERROR_NULLARG;
|
|
abits = __PBM_BITS(*ap);
|
|
bbits = __PBM_BITS(b);
|
|
|
|
for (i = 0; i < nw; i++) {
|
|
abits[i] &= bbits[i];
|
|
rc |= abits[i];
|
|
}
|
|
return (rc ? 1 : 0);
|
|
}
|
|
|
|
int poptBitsUnion(poptBits *ap, const poptBits b)
|
|
{
|
|
__pbm_bits *abits;
|
|
__pbm_bits *bbits;
|
|
__pbm_bits rc = 0;
|
|
size_t nw = (__PBM_IX(_poptBitsM-1) + 1);
|
|
size_t i;
|
|
|
|
if (ap == NULL || b == NULL || _poptBitsNew(ap))
|
|
return POPT_ERROR_NULLARG;
|
|
abits = __PBM_BITS(*ap);
|
|
bbits = __PBM_BITS(b);
|
|
|
|
for (i = 0; i < nw; i++) {
|
|
abits[i] |= bbits[i];
|
|
rc |= abits[i];
|
|
}
|
|
return (rc ? 1 : 0);
|
|
}
|
|
|
|
int poptBitsArgs(poptContext con, poptBits *ap)
|
|
{
|
|
const char ** av;
|
|
int rc = 0;
|
|
|
|
if (con == NULL || ap == NULL || _poptBitsNew(ap) ||
|
|
con->leftovers == NULL || con->numLeftovers == con->nextLeftover)
|
|
return POPT_ERROR_NULLARG;
|
|
|
|
/* some apps like [like RPM ;-) ] need this NULL terminated */
|
|
con->leftovers[con->numLeftovers] = NULL;
|
|
|
|
for (av = con->leftovers + con->nextLeftover; *av != NULL; av++) {
|
|
if ((rc = poptBitsAdd(*ap, *av)) != 0)
|
|
break;
|
|
}
|
|
/*@-nullstate@*/
|
|
return rc;
|
|
/*@=nullstate@*/
|
|
}
|
|
|
|
int poptSaveBits(poptBits * bitsp,
|
|
/*@unused@*/ UNUSED(unsigned int argInfo), const char * s)
|
|
{
|
|
char *tbuf = NULL;
|
|
char *t, *te;
|
|
int rc = 0;
|
|
|
|
if (bitsp == NULL || s == NULL || *s == '\0' || _poptBitsNew(bitsp))
|
|
return POPT_ERROR_NULLARG;
|
|
|
|
/* Parse comma separated attributes. */
|
|
te = tbuf = xstrdup(s);
|
|
while ((t = te) != NULL && *t) {
|
|
while (*te != '\0' && *te != ',')
|
|
te++;
|
|
if (*te != '\0')
|
|
*te++ = '\0';
|
|
/* XXX Ignore empty strings. */
|
|
if (*t == '\0')
|
|
continue;
|
|
/* XXX Permit negated attributes. caveat emptor: false negatives. */
|
|
if (*t == '!') {
|
|
t++;
|
|
if ((rc = poptBitsChk(*bitsp, t)) > 0)
|
|
rc = poptBitsDel(*bitsp, t);
|
|
} else
|
|
rc = poptBitsAdd(*bitsp, t);
|
|
if (rc)
|
|
break;
|
|
}
|
|
tbuf = _free(tbuf);
|
|
return rc;
|
|
}
|
|
/*@=sizeoftype@*/
|
|
|
|
int poptSaveString(const char *** argvp,
|
|
/*@unused@*/ UNUSED(unsigned int argInfo), const char * val)
|
|
{
|
|
int argc = 0;
|
|
|
|
if (argvp == NULL || val == NULL)
|
|
return POPT_ERROR_NULLARG;
|
|
|
|
/* XXX likely needs an upper bound on argc. */
|
|
if (*argvp != NULL)
|
|
while ((*argvp)[argc] != NULL)
|
|
argc++;
|
|
|
|
/*@-unqualifiedtrans -nullstate@*/ /* XXX no annotation for (*argvp) */
|
|
if ((*argvp = xrealloc(*argvp, (argc + 1 + 1) * sizeof(**argvp))) != NULL) {
|
|
(*argvp)[argc++] = xstrdup(val);
|
|
(*argvp)[argc ] = NULL;
|
|
}
|
|
return 0;
|
|
/*@=unqualifiedtrans =nullstate@*/
|
|
}
|
|
|
|
/*@unchecked@*/
|
|
static unsigned int seed = 0;
|
|
|
|
int poptSaveLongLong(long long * arg, unsigned int argInfo, long long aLongLong)
|
|
{
|
|
if (arg == NULL
|
|
#ifdef NOTYET
|
|
/* XXX Check alignment, may fail on funky platforms. */
|
|
|| (((unsigned long long)arg) & (sizeof(*arg)-1))
|
|
#endif
|
|
)
|
|
return POPT_ERROR_NULLARG;
|
|
|
|
if (aLongLong != 0 && LF_ISSET(RANDOM)) {
|
|
#if defined(HAVE_SRANDOM)
|
|
if (!seed) {
|
|
srandom((unsigned)getpid());
|
|
srandom((unsigned)random());
|
|
}
|
|
aLongLong = (long long)(random() % (aLongLong > 0 ? aLongLong : -aLongLong));
|
|
aLongLong++;
|
|
#else
|
|
/* XXX avoid adding POPT_ERROR_UNIMPLEMENTED to minimize i18n churn. */
|
|
return POPT_ERROR_BADOPERATION;
|
|
#endif
|
|
}
|
|
if (LF_ISSET(NOT))
|
|
aLongLong = ~aLongLong;
|
|
switch (LF_ISSET(LOGICALOPS)) {
|
|
case 0:
|
|
*arg = aLongLong;
|
|
break;
|
|
case POPT_ARGFLAG_OR:
|
|
*(unsigned long long *)arg |= (unsigned long long)aLongLong;
|
|
break;
|
|
case POPT_ARGFLAG_AND:
|
|
*(unsigned long long *)arg &= (unsigned long long)aLongLong;
|
|
break;
|
|
case POPT_ARGFLAG_XOR:
|
|
*(unsigned long long *)arg ^= (unsigned long long)aLongLong;
|
|
break;
|
|
default:
|
|
return POPT_ERROR_BADOPERATION;
|
|
/*@notreached@*/ break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int poptSaveLong(long * arg, unsigned 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 (aLong != 0 && LF_ISSET(RANDOM)) {
|
|
#if defined(HAVE_SRANDOM)
|
|
if (!seed) {
|
|
srandom((unsigned)getpid());
|
|
srandom((unsigned)random());
|
|
}
|
|
aLong = random() % (aLong > 0 ? aLong : -aLong);
|
|
aLong++;
|
|
#else
|
|
/* XXX avoid adding POPT_ERROR_UNIMPLEMENTED to minimize i18n churn. */
|
|
return POPT_ERROR_BADOPERATION;
|
|
#endif
|
|
}
|
|
if (LF_ISSET(NOT))
|
|
aLong = ~aLong;
|
|
switch (LF_ISSET(LOGICALOPS)) {
|
|
case 0: *arg = aLong; break;
|
|
case POPT_ARGFLAG_OR: *(unsigned long *)arg |= (unsigned long)aLong; break;
|
|
case POPT_ARGFLAG_AND: *(unsigned long *)arg &= (unsigned long)aLong; break;
|
|
case POPT_ARGFLAG_XOR: *(unsigned long *)arg ^= (unsigned long)aLong; break;
|
|
default:
|
|
return POPT_ERROR_BADOPERATION;
|
|
/*@notreached@*/ break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int poptSaveInt(/*@null@*/ int * arg, unsigned 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 (aLong != 0 && LF_ISSET(RANDOM)) {
|
|
#if defined(HAVE_SRANDOM)
|
|
if (!seed) {
|
|
srandom((unsigned)getpid());
|
|
srandom((unsigned)random());
|
|
}
|
|
aLong = random() % (aLong > 0 ? aLong : -aLong);
|
|
aLong++;
|
|
#else
|
|
/* XXX avoid adding POPT_ERROR_UNIMPLEMENTED to minimize i18n churn. */
|
|
return POPT_ERROR_BADOPERATION;
|
|
#endif
|
|
}
|
|
if (LF_ISSET(NOT))
|
|
aLong = ~aLong;
|
|
switch (LF_ISSET(LOGICALOPS)) {
|
|
case 0: *arg = (int) aLong; break;
|
|
case POPT_ARGFLAG_OR: *(unsigned int *)arg |= (unsigned int) aLong; break;
|
|
case POPT_ARGFLAG_AND: *(unsigned int *)arg &= (unsigned int) aLong; break;
|
|
case POPT_ARGFLAG_XOR: *(unsigned int *)arg ^= (unsigned int) aLong; break;
|
|
default:
|
|
return POPT_ERROR_BADOPERATION;
|
|
/*@notreached@*/ break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int poptSaveShort(/*@null@*/ short * arg, unsigned 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 (aLong != 0 && LF_ISSET(RANDOM)) {
|
|
#if defined(HAVE_SRANDOM)
|
|
if (!seed) {
|
|
srandom((unsigned)getpid());
|
|
srandom((unsigned)random());
|
|
}
|
|
aLong = random() % (aLong > 0 ? aLong : -aLong);
|
|
aLong++;
|
|
#else
|
|
/* XXX avoid adding POPT_ERROR_UNIMPLEMENTED to minimize i18n churn. */
|
|
return POPT_ERROR_BADOPERATION;
|
|
#endif
|
|
}
|
|
if (LF_ISSET(NOT))
|
|
aLong = ~aLong;
|
|
switch (LF_ISSET(LOGICALOPS)) {
|
|
case 0: *arg = (short) aLong;
|
|
break;
|
|
case POPT_ARGFLAG_OR: *(unsigned short *)arg |= (unsigned short) aLong;
|
|
break;
|
|
case POPT_ARGFLAG_AND: *(unsigned short *)arg &= (unsigned short) aLong;
|
|
break;
|
|
case POPT_ARGFLAG_XOR: *(unsigned short *)arg ^= (unsigned short) aLong;
|
|
break;
|
|
default: return POPT_ERROR_BADOPERATION;
|
|
/*@notreached@*/ break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Return argInfo field, handling POPT_ARGFLAG_TOGGLE overrides.
|
|
* @param con context
|
|
* @param opt option
|
|
* @return argInfo
|
|
*/
|
|
static unsigned int poptArgInfo(poptContext con, const struct poptOption * opt)
|
|
/*@*/
|
|
{
|
|
unsigned int argInfo = opt->argInfo;
|
|
|
|
if (con->os->argv != NULL && con->os->next > 0 && opt->longName != NULL)
|
|
if (LF_ISSET(TOGGLE)) {
|
|
const char * longName = con->os->argv[con->os->next-1];
|
|
while (*longName == '-') longName++;
|
|
/* XXX almost good enough but consider --[no]nofoo corner cases. */
|
|
if (longName[0] != opt->longName[0] || longName[1] != opt->longName[1])
|
|
{
|
|
if (!LF_ISSET(XOR)) { /* XXX dont toggle with XOR */
|
|
/* Toggle POPT_BIT_SET <=> POPT_BIT_CLR. */
|
|
if (LF_ISSET(LOGICALOPS))
|
|
argInfo ^= (POPT_ARGFLAG_OR|POPT_ARGFLAG_AND);
|
|
argInfo ^= POPT_ARGFLAG_NOT;
|
|
}
|
|
}
|
|
}
|
|
return argInfo;
|
|
}
|
|
|
|
/**
|
|
* Parse an integer expression.
|
|
* @retval *llp integer expression value
|
|
* @param argInfo integer expression type
|
|
* @param val integer expression string
|
|
* @return 0 on success, otherwise POPT_* error.
|
|
*/
|
|
static int poptParseInteger(long long * llp,
|
|
/*@unused@*/ UNUSED(unsigned int argInfo),
|
|
/*@null@*/ const char * val)
|
|
/*@modifies *llp @*/
|
|
{
|
|
if (val) {
|
|
char *end = NULL;
|
|
*llp = strtoll(val, &end, 0);
|
|
|
|
/* XXX parse scaling suffixes here. */
|
|
|
|
if (!(end && *end == '\0'))
|
|
return POPT_ERROR_BADNUMBER;
|
|
} else
|
|
*llp = 0;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Save the option argument through the (*opt->arg) pointer.
|
|
* @param con context
|
|
* @param opt option
|
|
* @return 0 on success, otherwise POPT_* error.
|
|
*/
|
|
static int poptSaveArg(poptContext con, const struct poptOption * opt)
|
|
/*@globals fileSystem, internalState @*/
|
|
/*@modifies con, fileSystem, internalState @*/
|
|
{
|
|
poptArg arg = { .ptr = opt->arg };
|
|
int rc = 0; /* assume success */
|
|
|
|
switch (poptArgType(opt)) {
|
|
case POPT_ARG_BITSET:
|
|
/* XXX memory leak, application is responsible for free. */
|
|
rc = poptSaveBits(arg.ptr, opt->argInfo, con->os->nextArg);
|
|
/*@switchbreak@*/ break;
|
|
case POPT_ARG_ARGV:
|
|
/* XXX memory leak, application is responsible for free. */
|
|
rc = poptSaveString(arg.ptr, opt->argInfo, con->os->nextArg);
|
|
/*@switchbreak@*/ break;
|
|
case POPT_ARG_STRING:
|
|
/* XXX memory leak, application is responsible for free. */
|
|
arg.argv[0] = (con->os->nextArg) ? xstrdup(con->os->nextArg) : NULL;
|
|
/*@switchbreak@*/ break;
|
|
|
|
case POPT_ARG_INT:
|
|
case POPT_ARG_SHORT:
|
|
case POPT_ARG_LONG:
|
|
case POPT_ARG_LONGLONG:
|
|
{ unsigned int argInfo = poptArgInfo(con, opt);
|
|
long long aNUM = 0;
|
|
|
|
if ((rc = poptParseInteger(&aNUM, argInfo, con->os->nextArg)) != 0)
|
|
break;
|
|
|
|
switch (poptArgType(opt)) {
|
|
case POPT_ARG_LONGLONG:
|
|
/* XXX let's not demand C99 compiler flags for <limits.h> quite yet. */
|
|
#if !defined(LLONG_MAX)
|
|
# define LLONG_MAX 9223372036854775807LL
|
|
# define LLONG_MIN (-LLONG_MAX - 1LL)
|
|
#endif
|
|
rc = !(aNUM == LLONG_MIN || aNUM == LLONG_MAX)
|
|
? poptSaveLongLong(arg.longlongp, argInfo, aNUM)
|
|
: POPT_ERROR_OVERFLOW;
|
|
/*@innerbreak@*/ break;
|
|
case POPT_ARG_LONG:
|
|
rc = !(aNUM < (long long)LONG_MIN || aNUM > (long long)LONG_MAX)
|
|
? poptSaveLong(arg.longp, argInfo, (long)aNUM)
|
|
: POPT_ERROR_OVERFLOW;
|
|
/*@innerbreak@*/ break;
|
|
case POPT_ARG_INT:
|
|
rc = !(aNUM < (long long)INT_MIN || aNUM > (long long)INT_MAX)
|
|
? poptSaveInt(arg.intp, argInfo, (long)aNUM)
|
|
: POPT_ERROR_OVERFLOW;
|
|
/*@innerbreak@*/ break;
|
|
case POPT_ARG_SHORT:
|
|
rc = !(aNUM < (long long)SHRT_MIN || aNUM > (long long)SHRT_MAX)
|
|
? poptSaveShort(arg.shortp, argInfo, (long)aNUM)
|
|
: POPT_ERROR_OVERFLOW;
|
|
/*@innerbreak@*/ break;
|
|
}
|
|
} /*@switchbreak@*/ break;
|
|
|
|
case POPT_ARG_FLOAT:
|
|
case POPT_ARG_DOUBLE:
|
|
{ char *end = NULL;
|
|
double aDouble = 0.0;
|
|
|
|
if (con->os->nextArg) {
|
|
/*@-mods@*/
|
|
int saveerrno = errno;
|
|
errno = 0;
|
|
aDouble = strtod(con->os->nextArg, &end);
|
|
if (errno == ERANGE) {
|
|
rc = POPT_ERROR_OVERFLOW;
|
|
break;
|
|
}
|
|
errno = saveerrno;
|
|
/*@=mods@*/
|
|
if (*end != '\0') {
|
|
rc = POPT_ERROR_BADNUMBER;
|
|
break;
|
|
}
|
|
}
|
|
|
|
switch (poptArgType(opt)) {
|
|
case POPT_ARG_DOUBLE:
|
|
arg.doublep[0] = aDouble;
|
|
/*@innerbreak@*/ break;
|
|
case POPT_ARG_FLOAT:
|
|
#if !defined(DBL_EPSILON) && !defined(__LCLINT__)
|
|
#define DBL_EPSILON 2.2204460492503131e-16
|
|
#endif
|
|
#define POPT_ABS(a) ((((a) - 0.0) < DBL_EPSILON) ? -(a) : (a))
|
|
if ((FLT_MIN - POPT_ABS(aDouble)) > DBL_EPSILON
|
|
|| (POPT_ABS(aDouble) - FLT_MAX) > DBL_EPSILON)
|
|
rc = POPT_ERROR_OVERFLOW;
|
|
else
|
|
arg.floatp[0] = (float) aDouble;
|
|
/*@innerbreak@*/ break;
|
|
}
|
|
} /*@switchbreak@*/ break;
|
|
case POPT_ARG_MAINCALL:
|
|
/*@-assignexpose -type@*/
|
|
con->maincall = opt->arg;
|
|
/*@=assignexpose =type@*/
|
|
/*@switchbreak@*/ break;
|
|
default:
|
|
fprintf(stdout, POPT_("option type (%u) not implemented in popt\n"),
|
|
poptArgType(opt));
|
|
exit(EXIT_FAILURE);
|
|
/*@notreached@*/ /*@switchbreak@*/ break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/* 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) {
|
|
invokeCallbacksPOST(con, con->options);
|
|
|
|
if (con->maincall) {
|
|
/*@-noeffectuncon @*/
|
|
(void) (*con->maincall) (con->finalArgvCount, con->finalArgv);
|
|
/*@=noeffectuncon @*/
|
|
return -1;
|
|
}
|
|
|
|
if (con->doExec) return execCommand(con);
|
|
return -1;
|
|
}
|
|
|
|
/* Process next long option */
|
|
if (!con->os->nextCharArg) {
|
|
const char * optString;
|
|
size_t optStringLen;
|
|
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 != '-' ||
|
|
(*origOptString == '-' && origOptString[1] == '\0'))
|
|
{
|
|
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 */
|
|
optString = origOptString;
|
|
|
|
if (optString[0] == '\0')
|
|
return POPT_ERROR_BADOPT;
|
|
|
|
if (optString[1] == '-' && !optString[2]) {
|
|
con->restLeftover = 1;
|
|
continue;
|
|
} else {
|
|
const char *oe;
|
|
unsigned int argInfo = 0;
|
|
|
|
optString++;
|
|
if (*optString == '-')
|
|
optString++;
|
|
else
|
|
argInfo |= POPT_ARGFLAG_ONEDASH;
|
|
|
|
/* Check for "--long=arg" option. */
|
|
for (oe = optString; *oe && *oe != '='; oe++)
|
|
{};
|
|
optStringLen = (size_t)(oe - optString);
|
|
if (*oe == '=')
|
|
longArg = oe + 1;
|
|
|
|
/* XXX aliases with arg substitution need "--alias=arg" */
|
|
if (handleAlias(con, optString, optStringLen, '\0', longArg)) {
|
|
longArg = NULL;
|
|
continue;
|
|
}
|
|
|
|
if (handleExec(con, optString, '\0'))
|
|
continue;
|
|
|
|
opt = findOption(con->options, optString, optStringLen, '\0', &cb, &cbData,
|
|
argInfo);
|
|
if (!opt && !LF_ISSET(ONEDASH))
|
|
return POPT_ERROR_BADOPT;
|
|
}
|
|
|
|
if (!opt) {
|
|
con->os->nextCharArg = origOptString + 1;
|
|
longArg = NULL;
|
|
} else {
|
|
if (con->os == con->optionStack && F_ISSET(opt, STRIP))
|
|
{
|
|
canstrip = 1;
|
|
poptStripArg(con, thisopt);
|
|
}
|
|
shorty = 0;
|
|
}
|
|
}
|
|
|
|
/* Process next short option */
|
|
if (con->os->nextCharArg) {
|
|
const char * nextCharArg = con->os->nextCharArg;
|
|
|
|
con->os->nextCharArg = NULL;
|
|
|
|
if (handleAlias(con, NULL, 0, *nextCharArg, nextCharArg + 1))
|
|
continue;
|
|
|
|
if (handleExec(con, NULL, *nextCharArg)) {
|
|
/* Restore rest of short options for further processing */
|
|
nextCharArg++;
|
|
if (*nextCharArg != '\0')
|
|
con->os->nextCharArg = nextCharArg;
|
|
continue;
|
|
}
|
|
|
|
opt = findOption(con->options, NULL, 0, *nextCharArg, &cb,
|
|
&cbData, 0);
|
|
if (!opt)
|
|
return POPT_ERROR_BADOPT;
|
|
shorty = 1;
|
|
|
|
nextCharArg++;
|
|
if (*nextCharArg != '\0')
|
|
con->os->nextCharArg = nextCharArg + (int)(*nextCharArg == '=');
|
|
}
|
|
|
|
if (opt == NULL) return POPT_ERROR_BADOPT; /* XXX can't happen */
|
|
if (opt->arg && poptArgType(opt) == POPT_ARG_NONE) {
|
|
unsigned int argInfo = poptArgInfo(con, opt);
|
|
if (poptSaveInt((int *)opt->arg, argInfo, 1L))
|
|
return POPT_ERROR_BADOPERATION;
|
|
} else if (poptArgType(opt) == POPT_ARG_VAL) {
|
|
if (opt->arg) {
|
|
unsigned int argInfo = poptArgInfo(con, opt);
|
|
if (poptSaveInt((int *)opt->arg, argInfo, (long)opt->val))
|
|
return POPT_ERROR_BADOPERATION;
|
|
}
|
|
} else if (poptArgType(opt) != POPT_ARG_NONE) {
|
|
int rc;
|
|
|
|
con->os->nextArg = _free(con->os->nextArg);
|
|
if (longArg) {
|
|
longArg = expandNextArg(con, longArg);
|
|
con->os->nextArg = (char *) longArg;
|
|
} else if (con->os->nextCharArg) {
|
|
longArg = expandNextArg(con, con->os->nextCharArg);
|
|
con->os->nextArg = (char *) 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 (!F_ISSET(opt, OPTIONAL))
|
|
return POPT_ERROR_NOARG;
|
|
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
|
|
&& F_ISSET(opt, STRIP) && canstrip)
|
|
{
|
|
poptStripArg(con, con->os->next);
|
|
}
|
|
|
|
if (con->os->argv != NULL) { /* XXX can't happen */
|
|
if (F_ISSET(opt, OPTIONAL) &&
|
|
con->os->argv[con->os->next][0] == '-') {
|
|
con->os->nextArg = NULL;
|
|
} else {
|
|
/* XXX watchout: subtle side-effects live here. */
|
|
longArg = con->os->argv[con->os->next++];
|
|
longArg = expandNextArg(con, longArg);
|
|
con->os->nextArg = (char *) longArg;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
longArg = NULL;
|
|
|
|
/* Save the option argument through a (*opt->arg) pointer. */
|
|
if (opt->arg != NULL && (rc = poptSaveArg(con, opt)) != 0)
|
|
return rc;
|
|
}
|
|
|
|
if (cb)
|
|
invokeCallbacksOPTION(con, con->options, opt, cbData, shorty);
|
|
else if (opt->val && (poptArgType(opt) != 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)
|
|
{ char *s = malloc((opt->longName ? strlen(opt->longName) : 0) + sizeof("--"));
|
|
if (s != NULL) { /* XXX can't happen */
|
|
con->finalArgv[con->finalArgvCount++] = s;
|
|
*s++ = '-';
|
|
if (opt->longName) {
|
|
if (!F_ISSET(opt, ONEDASH))
|
|
*s++ = '-';
|
|
s = stpcpy(s, opt->longName);
|
|
} else {
|
|
*s++ = opt->shortName;
|
|
*s = '\0';
|
|
}
|
|
} else
|
|
con->finalArgv[con->finalArgvCount++] = NULL;
|
|
}
|
|
|
|
if (opt->arg && poptArgType(opt) == POPT_ARG_NONE)
|
|
/*@-ifempty@*/ ; /*@=ifempty@*/
|
|
else if (poptArgType(opt) == POPT_ARG_VAL)
|
|
/*@-ifempty@*/ ; /*@=ifempty@*/
|
|
else if (poptArgType(opt) != POPT_ARG_NONE) {
|
|
if (con->finalArgv != NULL && con->os->nextArg != NULL)
|
|
con->finalArgv[con->finalArgvCount++] =
|
|
xstrdup(con->os->nextArg);
|
|
}
|
|
}
|
|
|
|
return (opt ? opt->val : -1); /* XXX can't happen */
|
|
}
|
|
|
|
char * poptGetOptArg(poptContext con)
|
|
{
|
|
char * ret = NULL;
|
|
if (con) {
|
|
ret = con->os->nextArg;
|
|
con->os->nextArg = NULL;
|
|
}
|
|
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;
|
|
}
|
|
|
|
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 @*/
|
|
}
|
|
|
|
static /*@null@*/
|
|
poptItem poptFreeItems(/*@only@*/ /*@null@*/ poptItem items, int nitems)
|
|
/*@modifies items @*/
|
|
{
|
|
if (items != NULL) {
|
|
poptItem item = items;
|
|
while (--nitems >= 0) {
|
|
/*@-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);
|
|
item++;
|
|
}
|
|
items = _free(items);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
poptContext poptFreeContext(poptContext con)
|
|
{
|
|
if (con == NULL) return con;
|
|
poptResetContext(con);
|
|
con->os->argb = _free(con->os->argb);
|
|
|
|
con->aliases = poptFreeItems(con->aliases, con->numAliases);
|
|
con->numAliases = 0;
|
|
|
|
con->execs = poptFreeItems(con->execs, con->numExecs);
|
|
con->numExecs = 0;
|
|
|
|
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))
|
|
{
|
|
struct poptItem_s item_buf;
|
|
poptItem item = &item_buf;
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
const char * poptBadOption(poptContext con, unsigned int flags)
|
|
{
|
|
struct optionStackEntry * os = NULL;
|
|
|
|
if (con != NULL)
|
|
os = (flags & POPT_BADOPTION_NOALIAS) ? con->optionStack : con->os;
|
|
|
|
return (os != NULL && os->argv != NULL ? os->argv[os->next - 1] : NULL);
|
|
}
|
|
|
|
const char * poptStrerror(const int error)
|
|
{
|
|
switch (error) {
|
|
case POPT_ERROR_NOARG:
|
|
return POPT_("missing 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_BADCONFIG:
|
|
return POPT_("config file failed sanity test");
|
|
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] : "");
|
|
}
|
|
|
|
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;
|
|
}
|