diff options
Diffstat (limited to 'crypto/o_str.c')
| -rw-r--r-- | crypto/o_str.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/crypto/o_str.c b/crypto/o_str.c new file mode 100644 index 000000000000..2db099333a7f --- /dev/null +++ b/crypto/o_str.c @@ -0,0 +1,105 @@ +/* crypto/o_str.c -*- mode:C; c-file-style: "eay" -*- */ +/* 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 <ctype.h> +#include <e_os.h> +#include "o_str.h" + +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; + } |