source: MondoRescue/branches/2.2.9/mindi-busybox/archival/libunarchive/find_list_entry.c@ 3320

/* vi: set sw=4 ts=4: */
/*
 * Copyright (C) 2002 by Glenn McGrath
 *
 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
 */

#include <fnmatch.h>
#include "libbb.h"
#include "unarchive.h"

/* Find a string in a shell pattern list */
const llist_t *find_list_entry(const llist_t *list, const char *filename)
{
    while (list) {
        if (fnmatch(list->data, filename, 0) == 0) {
            return list;
        }
        list = list->link;
    }
    return NULL;
}

/* Same, but compares only path components present in pattern
 * (extra trailing path components in filename are assumed to match)
 */
const llist_t *find_list_entry2(const llist_t *list, const char *filename)
{
    char buf[PATH_MAX];
    int pattern_slash_cnt;
    const char *c;
    char *d;

    while (list) {
        c = list->data;
        pattern_slash_cnt = 0;
        while (*c)
            if (*c++ == '/') pattern_slash_cnt++;
        c = filename;
        d = buf;
        /* paranoia is better that buffer overflows */
        while (*c && d != buf + sizeof(buf)-1) {
            if (*c == '/' && --pattern_slash_cnt < 0)
                break;
            *d++ = *c++;
        }
        *d = '\0';
        if (fnmatch(list->data, buf, 0) == 0) {
            return list;
        }
        list = list->link;
    }
    return NULL;
}