busybox/archival/libarchive/find_list_entry.c
Denys Vlasenko d184a728cf rename archive.h to bb_archive.h. no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-09-22 12:45:14 +02:00

55 lines
1.2 KiB
C

/* vi: set sw=4 ts=4: */
/*
* Copyright (C) 2002 by Glenn McGrath
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#include <fnmatch.h>
#include "libbb.h"
#include "bb_archive.h"
/* Find a string in a shell pattern list */
const llist_t* FAST_FUNC 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* FAST_FUNC 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 than 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;
}