/*- * Copyright (c) 2006 M. Warner Losh. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include __FBSDID("$FreeBSD$"); /****************************************************************************** * * Filename: p_string.c * * Instantiation of basic string operations to prevent inclusion of full * string library. These are simple implementations not necessarily optimized * for speed, but rather to show intent. * * Revision information: * * 20AUG2004 kb_admin initial creation * 12JAN2005 kb_admin minor updates * * BEGIN_KBDD_BLOCK * No warranty, expressed or implied, is included with this software. It is * provided "AS IS" and no warranty of any kind including statutory or aspects * relating to merchantability or fitness for any purpose is provided. All * intellectual property rights of others is maintained with the respective * owners. This software is not copyrighted and is intended for reference * only. * END_BLOCK *****************************************************************************/ #include "lib.h" /* * .KB_C_FN_DEFINITION_START * int p_strlen(char *) * This global function returns the number of bytes starting at the pointer * before (not including) the string termination character ('/0'). * .KB_C_FN_DEFINITION_END */ int p_strlen(const char *buffer) { const char *ptr = buffer; while (*ptr++) continue; return (ptr - buffer - 1); }