/* * lib/krb4/strnlen.c * * Copyright 2000, 2001 by the Massachusetts Institute of Technology. * All Rights Reserved. * * Export of this software from the United States of America may * require a specific license from the United States Government. * It is the responsibility of any person or organization contemplating * export to obtain such a license before exporting. * * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and * distribute this software and its documentation for any purpose and * without fee is hereby granted, provided that the above copyright * notice appear in all copies and that both that copyright notice and * this permission notice appear in supporting documentation, and that * the name of M.I.T. not be used in advertising or publicity pertaining * to distribution of the software without specific, written prior * permission. Furthermore if you modify this software you must label * your software as modified software and not distribute it in such a * fashion that it might be confused with the original M.I.T. software. * M.I.T. makes no representations about the suitability of * this software for any purpose. It is provided "as is" without express * or implied warranty. * */ #include <stddef.h> #include "krb.h" #include "prot.h" /* * krb4int_strnlen() * * Return the length of the string if a NUL is found in the first n * bytes, otherwise, -1. */ int KRB5_CALLCONV krb4int_strnlen(const char *s, int n) { int i = 0; for (i = 0; i < n; i++) { if (s[i] == '\0') { return i; } } return -1; }