-/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
+/** \ingroup popt
+ * \file popt/poptparse.c
+ */
+
+/* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
- ftp://ftp.redhat.com/pub/code/popt */
+ ftp://ftp.rpm.org/pub/rpm/dist. */
#include "system.h"
#define POPT_ARGV_ARRAY_GROW_DELTA 5
- int poptDupArgv(int argc, const char **argv,
+/*@-boundswrite@*/
+int poptDupArgv(int argc, const char **argv,
int * argcPtr, const char *** argvPtr)
{
size_t nb = (argc + 1) * sizeof(*argv);
char * dst;
int i;
+ if (argc <= 0 || argv == NULL) /* XXX can't happen */
+ return POPT_ERROR_NOARG;
for (i = 0; i < argc; i++) {
if (argv[i] == NULL)
return POPT_ERROR_NOARG;
}
dst = malloc(nb);
+ if (dst == NULL) /* XXX can't happen */
+ return POPT_ERROR_MALLOC;
argv2 = (void *) dst;
dst += (argc + 1) * sizeof(*argv);
+ /*@-branchstate@*/
for (i = 0; i < argc; i++) {
argv2[i] = dst;
dst += strlen(strcpy(dst, argv[i])) + 1;
}
+ /*@=branchstate@*/
argv2[argc] = NULL;
- *argvPtr = argv2;
- *argcPtr = argc;
+ if (argvPtr) {
+ *argvPtr = argv2;
+ } else {
+ free(argv2);
+ argv2 = NULL;
+ }
+ if (argcPtr)
+ *argcPtr = argc;
return 0;
}
+/*@=boundswrite@*/
- int poptParseArgvString(const char * s, int * argcPtr, const char *** argvPtr)
+/*@-bounds@*/
+int poptParseArgvString(const char * s, int * argcPtr, const char *** argvPtr)
{
const char * src;
char quote = '\0';
const char ** argv = malloc(sizeof(*argv) * argvAlloced);
int argc = 0;
int buflen = strlen(s) + 1;
- char *buf0 = calloc(buflen, 1);
- char *buf = buf0;
+ char * buf = memset(alloca(buflen), 0, buflen);
+ int rc = POPT_ERROR_MALLOC;
+ if (argv == NULL) return rc;
argv[argc] = buf;
- for (src = s; *src; src++) {
+ for (src = s; *src != '\0'; src++) {
if (quote == *src) {
quote = '\0';
- } else if (quote) {
+ } else if (quote != '\0') {
if (*src == '\\') {
src++;
if (!*src) {
- free(argv);
- free(buf0);
- return POPT_ERROR_BADQUOTE;
+ rc = POPT_ERROR_BADQUOTE;
+ goto exit;
}
if (*src != quote) *buf++ = '\\';
}
*buf++ = *src;
} else if (isspace(*src)) {
- if (*argv[argc]) {
+ if (*argv[argc] != '\0') {
buf++, argc++;
if (argc == argvAlloced) {
argvAlloced += POPT_ARGV_ARRAY_GROW_DELTA;
argv = realloc(argv, sizeof(*argv) * argvAlloced);
+ if (argv == NULL) goto exit;
}
argv[argc] = buf;
}
case '"':
case '\'':
quote = *src;
- break;
+ /*@switchbreak@*/ break;
case '\\':
src++;
if (!*src) {
- free(argv);
- free(buf0);
- return POPT_ERROR_BADQUOTE;
+ rc = POPT_ERROR_BADQUOTE;
+ goto exit;
}
/*@fallthrough@*/
default:
*buf++ = *src;
- break;
+ /*@switchbreak@*/ break;
}
}
argc++, buf++;
}
- (void) poptDupArgv(argc, argv, argcPtr, argvPtr);
+ rc = poptDupArgv(argc, argv, argcPtr, argvPtr);
+
+exit:
+ if (argv) free(argv);
+ return rc;
+}
+/*@=bounds@*/
+
+/* still in the dev stage.
+ * return values, perhaps 1== file erro
+ * 2== line to long
+ * 3== umm.... more?
+ */
+int poptConfigFileToString(FILE *fp, char ** argstrp, /*@unused@*/ int flags)
+{
+ char line[999];
+ char * argstr;
+ char * p;
+ char * q;
+ char * x;
+ int t;
+ int argvlen = 0;
+ size_t maxlinelen = sizeof(line);
+ size_t linelen;
+ int maxargvlen = 480;
+ int linenum = 0;
+
+ *argstrp = NULL;
+
+ /* | this_is = our_line
+ * p q x
+ */
+
+ if (fp == NULL)
+ return POPT_ERROR_NULLARG;
+
+ argstr = calloc(maxargvlen, sizeof(*argstr));
+ if (argstr == NULL) return POPT_ERROR_MALLOC;
+
+ while (fgets(line, (int)maxlinelen, fp) != NULL) {
+ linenum++;
+ p = line;
+
+ /* loop until first non-space char or EOL */
+ while( *p != '\0' && isspace(*p) )
+ p++;
+
+ linelen = strlen(p);
+ if (linelen >= maxlinelen-1)
+ return POPT_ERROR_OVERFLOW; /* XXX line too long */
+
+ if (*p == '\0' || *p == '\n') continue; /* line is empty */
+ if (*p == '#') continue; /* comment line */
+
+ q = p;
+
+ while (*q != '\0' && (!isspace(*q)) && *q != '=')
+ q++;
+
+ if (isspace(*q)) {
+ /* a space after the name, find next non space */
+ *q++='\0';
+ while( *q != '\0' && isspace((int)*q) ) q++;
+ }
+ if (*q == '\0') {
+ /* single command line option (ie, no name=val, just name) */
+ q[-1] = '\0'; /* kill off newline from fgets() call */
+ argvlen += (t = q - p) + (sizeof(" --")-1);
+ if (argvlen >= maxargvlen) {
+ maxargvlen = (t > maxargvlen) ? t*2 : maxargvlen*2;
+ argstr = realloc(argstr, maxargvlen);
+ if (argstr == NULL) return POPT_ERROR_MALLOC;
+ }
+ strcat(argstr, " --");
+ strcat(argstr, p);
+ continue;
+ }
+ if (*q != '=')
+ continue; /* XXX for now, silently ignore bogus line */
+
+ /* *q is an equal sign. */
+ *q++ = '\0';
+
+ /* find next non-space letter of value */
+ while (*q != '\0' && isspace(*q))
+ q++;
+ if (*q == '\0')
+ continue; /* XXX silently ignore missing value */
+
+ /* now, loop and strip all ending whitespace */
+ x = p + linelen;
+ while (isspace(*--x))
+ *x = 0; /* null out last char if space (including fgets() NL) */
+
+ /* rest of line accept */
+ t = x - p;
+ argvlen += t + (sizeof("' --='")-1);
+ if (argvlen >= maxargvlen) {
+ maxargvlen = (t > maxargvlen) ? t*2 : maxargvlen*2;
+ argstr = realloc(argstr, maxargvlen);
+ if (argstr == NULL) return POPT_ERROR_MALLOC;
+ }
+ strcat(argstr, " --");
+ strcat(argstr, p);
+ strcat(argstr, "=\"");
+ strcat(argstr, q);
+ strcat(argstr, "\"");
+ }
- free(argv);
- free(buf0);
+ *argstrp = argstr;
return 0;
}
git.samba.org / samba.git / blobdiff