1999-10-06 12:47:43 -04:00
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/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
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file accompanying popt source distributions, available from
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ftp://ftp.redhat.com/pub/code/popt */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include "popt.h"
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static const int poptArgvArrayGrowDelta = 5;
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int poptParseArgvString(const char * s, int * argcPtr, char *** argvPtr) {
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char * buf, * bufStart, * dst;
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const char * src;
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char quote = '\0';
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int argvAlloced = poptArgvArrayGrowDelta;
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char ** argv = malloc(sizeof(*argv) * argvAlloced);
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char ** argv2;
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int argc = 0;
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int i, buflen;
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buflen = strlen(s) + 1;
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2000-10-26 14:57:23 -04:00
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bufStart = buf = malloc(buflen);
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1999-10-06 12:47:43 -04:00
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memset(buf, '\0', buflen);
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src = s;
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argv[argc] = buf;
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while (*src) {
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if (quote == *src) {
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quote = '\0';
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} else if (quote) {
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if (*src == '\\') {
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src++;
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if (!*src) {
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free(argv);
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2000-10-26 14:57:23 -04:00
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free(bufStart);
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1999-10-06 12:47:43 -04:00
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return POPT_ERROR_BADQUOTE;
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}
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if (*src != quote) *buf++ = '\\';
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}
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*buf++ = *src;
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2002-01-27 15:45:59 -05:00
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} else if (isspace((int) (unsigned char) *src)) {
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1999-10-06 12:47:43 -04:00
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if (*argv[argc]) {
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buf++, argc++;
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if (argc == argvAlloced) {
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argvAlloced += poptArgvArrayGrowDelta;
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argv = realloc(argv, sizeof(*argv) * argvAlloced);
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}
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argv[argc] = buf;
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}
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} else switch (*src) {
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case '"':
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case '\'':
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quote = *src;
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break;
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case '\\':
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src++;
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if (!*src) {
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free(argv);
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2000-10-26 14:57:23 -04:00
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free(bufStart);
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1999-10-06 12:47:43 -04:00
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return POPT_ERROR_BADQUOTE;
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}
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/* fallthrough */
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default:
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*buf++ = *src;
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}
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src++;
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}
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if (strlen(argv[argc])) {
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argc++, buf++;
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}
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dst = malloc(argc * sizeof(*argv) + (buf - bufStart));
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argv2 = (void *) dst;
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dst += argc * sizeof(*argv);
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memcpy(argv2, argv, argc * sizeof(*argv));
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memcpy(dst, bufStart, buf - bufStart);
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for (i = 0; i < argc; i++) {
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argv2[i] = dst + (argv[i] - bufStart);
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}
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free(argv);
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*argvPtr = argv2;
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*argcPtr = argc;
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2000-10-26 14:57:23 -04:00
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free(bufStart);
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1999-10-06 12:47:43 -04:00
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return 0;
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}
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