blob: 4934973adcac15dce91f907915432b7e3b56fe9d [file] [log] [blame]
/* Portable version of strnlen.
This function is in the public domain. */
@deftypefn Supplemental size_t strnlen (const char *@var{s}, size_t @var{maxlen})
Returns the length of @var{s}, as with @code{strlen}, but never looks
past the first @var{maxlen} characters in the string. If there is no
'\0' character in the first @var{maxlen} characters, returns
@end deftypefn
#include "config.h"
#include <stddef.h>
strnlen (const char *s, size_t maxlen)
size_t i;
for (i = 0; i < maxlen; ++i)
if (s[i] == '\0')
return i;