source: branches/3.2/mindi-busybox/archival/libarchive/find_list_entry.c @ 3232

Last change on this file since 3232 was 3232, checked in by bruno, 5 years ago
  • Update mindi-busybox to 1.21.1
  • Property svn:eol-style set to native
File size: 1.2 KB
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * Copyright (C) 2002 by Glenn McGrath
4 *
5 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
6 */
7
8#include <fnmatch.h>
9#include "libbb.h"
10#include "bb_archive.h"
11
12/* Find a string in a shell pattern list */
13const llist_t* FAST_FUNC find_list_entry(const llist_t *list, const char *filename)
14{
15    while (list) {
16        if (fnmatch(list->data, filename, 0) == 0) {
17            return list;
18        }
19        list = list->link;
20    }
21    return NULL;
22}
23
24/* Same, but compares only path components present in pattern
25 * (extra trailing path components in filename are assumed to match)
26 */
27const llist_t* FAST_FUNC find_list_entry2(const llist_t *list, const char *filename)
28{
29    char buf[PATH_MAX];
30    int pattern_slash_cnt;
31    const char *c;
32    char *d;
33
34    while (list) {
35        c = list->data;
36        pattern_slash_cnt = 0;
37        while (*c)
38            if (*c++ == '/') pattern_slash_cnt++;
39        c = filename;
40        d = buf;
41        /* paranoia is better than buffer overflows */
42        while (*c && d != buf + sizeof(buf)-1) {
43            if (*c == '/' && --pattern_slash_cnt < 0)
44                break;
45            *d++ = *c++;
46        }
47        *d = '\0';
48        if (fnmatch(list->data, buf, 0) == 0) {
49            return list;
50        }
51        list = list->link;
52    }
53    return NULL;
54}
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