1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
// based on systemd v258
#include <assert.h>
#include "basics.h"
char *startswith(const char *s, const char *prefix) {
size_t l;
assert(s);
assert(prefix);
l = strlen(prefix);
if (!strneq(s, prefix, l))
return NULL;
return (char*) s + l;
}
char* endswith(const char *s, const char *suffix) {
size_t sl, pl;
assert(s);
assert(suffix);
sl = strlen(s);
pl = strlen(suffix);
if (pl == 0)
return (char*) s + sl;
if (sl < pl)
return NULL;
if (!streq(s + sl - pl, suffix))
return NULL;
return (char*) s + sl - pl;
}
|
