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116 lines
3.9 KiB
116 lines
3.9 KiB
/* crypto/o_str.c */ |
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/* |
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* Written by Richard Levitte (richard@levitte.org) for the OpenSSL project |
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* 2003. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 2003 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <ctype.h> |
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#include <e_os.h> |
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#include "o_str.h" |
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#if !defined(OPENSSL_IMPLEMENTS_strncasecmp) && \ |
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!defined(OPENSSL_SYSNAME_WIN32) && \ |
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!defined(NETWARE_CLIB) |
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# include <strings.h> |
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#endif |
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int OPENSSL_strncasecmp(const char *str1, const char *str2, size_t n) |
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{ |
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#if defined(OPENSSL_IMPLEMENTS_strncasecmp) |
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while (*str1 && *str2 && n) { |
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int res = toupper(*str1) - toupper(*str2); |
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if (res) |
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return res < 0 ? -1 : 1; |
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str1++; |
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str2++; |
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n--; |
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} |
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if (n == 0) |
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return 0; |
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if (*str1) |
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return 1; |
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if (*str2) |
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return -1; |
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return 0; |
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#else |
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/* |
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* Recursion hazard warning! Whenever strncasecmp is #defined as |
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* OPENSSL_strncasecmp, OPENSSL_IMPLEMENTS_strncasecmp must be defined as |
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* well. |
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*/ |
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return strncasecmp(str1, str2, n); |
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#endif |
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} |
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int OPENSSL_strcasecmp(const char *str1, const char *str2) |
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{ |
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#if defined(OPENSSL_IMPLEMENTS_strncasecmp) |
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return OPENSSL_strncasecmp(str1, str2, (size_t)-1); |
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#else |
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return strcasecmp(str1, str2); |
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#endif |
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} |
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int OPENSSL_memcmp(const void *v1, const void *v2, size_t n) |
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{ |
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const unsigned char *c1 = v1, *c2 = v2; |
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int ret = 0; |
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while (n && (ret = *c1 - *c2) == 0) |
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n--, c1++, c2++; |
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return ret; |
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}
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