/* 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 @var{maxlen}. @end deftypefn */ #include "config.h" #include <stddef.h> size_t strnlen (const char *s, size_t maxlen) { size_t i; for (i = 0; i < maxlen; ++i) if (s[i] == '\0') break; return i; }