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comparison libiberty/strnlen.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* Portable version of strnlen.
2 This function is in the public domain. */
3
4 /*
5
6 @deftypefn Supplemental size_t strnlen (const char *@var{s}, size_t @var{maxlen})
7
8 Returns the length of @var{s}, as with @code{strlen}, but never looks
9 past the first @var{maxlen} characters in the string. If there is no
10 '\0' character in the first @var{maxlen} characters, returns
11 @var{maxlen}.
12
13 @end deftypefn
14
15 */
16
17 #include "config.h"
18
19 #include <stddef.h>
20
21 size_t
22 strnlen (const char *s, size_t maxlen)
23 {
24 size_t i;
25
26 for (i = 0; i < maxlen; ++i)
27 if (s[i] == '\0')
28 break;
29 return i;
30 }