blob: d52811b627c7ac32d8796d3ae9afa3b4cc36086a (
plain)
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
|
/* Find the length of STRING + 1, but scan at most MAXLEN bytes.
Copyright (C) 2005-2006, 2009-2021 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "strnlen1.h"
#include <string.h>
/* Find the length of STRING + 1, but scan at most MAXLEN bytes.
If no '\0' terminator is found in that many characters, return MAXLEN. */
/* This is the same as strnlen (string, maxlen - 1) + 1. */
size_t
strnlen1 (const char *string, size_t maxlen)
{
const char *end = (const char *) memchr (string, '\0', maxlen);
if (end != NULL)
return end - string + 1;
else
return maxlen;
}
|
