/*
- * 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).
+ * Copyright 2003-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <ctype.h>
#include "internal/cryptlib.h"
#include "internal/o_str.h"
-#if !defined(OPENSSL_IMPLEMENTS_strncasecmp) && \
- !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_WINCE) && \
- !defined(NETWARE_CLIB)
-# include <strings.h>
-#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;
const unsigned char *p;
int i;
- if ((tmp = OPENSSL_malloc(len * 3 + 1)) == NULL) {
+ if (len == 0)
+ {
+ return OPENSSL_zalloc(1);
+ }
+
+ if ((tmp = OPENSSL_malloc(len * 3)) == NULL) {
CRYPTOerr(CRYPTO_F_OPENSSL_BUF2HEXSTR, ERR_R_MALLOC_FAILURE);
return NULL;
}
return tmp;
}
+
+int openssl_strerror_r(int errnum, char *buf, size_t buflen)
+{
+#if defined(_MSC_VER) && _MSC_VER>=1400
+ return !strerror_s(buf, buflen, errnum);
+#elif defined(_GNU_SOURCE)
+ return strerror_r(errnum, buf, buflen) != NULL;
+#elif (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600)
+ /*
+ * We can use "real" strerror_r. The OpenSSL version differs in that it
+ * gives 1 on success and 0 on failure for consistency with other OpenSSL
+ * functions. Real strerror_r does it the other way around
+ */
+ return !strerror_r(errnum, buf, buflen);
+#else
+ char *err;
+ /* Fall back to non-thread safe strerror()...its all we can do */
+ if (buflen < 2)
+ return 0;
+ err = strerror(errnum);
+ /* Can this ever happen? */
+ if (err == NULL)
+ return 0;
+ strncpy(buf, err, buflen - 1);
+ buf[buflen - 1] = '\0';
+ return 1;
+#endif
+}