/* crypto/o_str.c */ /* * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project * 2003. */ /* ==================================================================== * Copyright (c) 2003 The OpenSSL Project. 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. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * openssl-core@openssl.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED 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 OpenSSL PROJECT OR * ITS CONTRIBUTORS 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. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include #include #include "o_str.h" #if !defined(OPENSSL_IMPLEMENTS_strncasecmp) && \ !defined(OPENSSL_SYSNAME_WIN32) && \ !defined(NETWARE_CLIB) #ifdef _WIN32 #include #else #include #endif #endif int OPENSSL_strncasecmp(const char *str1, const char *str2, size_t n) { #if defined(OPENSSL_IMPLEMENTS_strncasecmp) while (*str1 && *str2 && n) { int res = toupper(*str1) - toupper(*str2); if (res) return res < 0 ? -1 : 1; str1++; str2++; n--; } if (n == 0) return 0; if (*str1) return 1; if (*str2) return -1; return 0; #else /* * Recursion hazard warning! Whenever strncasecmp is #defined as * OPENSSL_strncasecmp, OPENSSL_IMPLEMENTS_strncasecmp must be defined as * well. */ return strncasecmp(str1, str2, n); #endif } int OPENSSL_strcasecmp(const char *str1, const char *str2) { #if defined(OPENSSL_IMPLEMENTS_strncasecmp) return OPENSSL_strncasecmp(str1, str2, (size_t)-1); #else return strcasecmp(str1, str2); #endif } int OPENSSL_memcmp(const void *v1, const void *v2, size_t n) { const unsigned char *c1 = v1, *c2 = v2; int ret = 0; while (n && (ret = *c1 - *c2) == 0) n--, c1++, c2++; return ret; }