|
- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.] */
-
- #ifndef OPENSSL_HEADER_MEM_H
- #define OPENSSL_HEADER_MEM_H
-
- #include <openssl/base.h>
-
- #include <stdlib.h>
- #include <stdarg.h>
-
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
-
- /* Memory and string functions, see also buf.h.
- *
- * OpenSSL has, historically, had a complex set of malloc debugging options.
- * However, that was written in a time before Valgrind and ASAN. Since we now
- * have those tools, the OpenSSL allocation functions are simply macros around
- * the standard memory functions. */
-
-
- #define OPENSSL_malloc malloc
- #define OPENSSL_realloc realloc
- #define OPENSSL_free free
-
- /* OPENSSL_realloc_clean acts like |realloc|, but clears the previous memory
- * buffer. Because this is implemented as a wrapper around |malloc|, it needs
- * to be given the size of the buffer pointed to by |ptr|. */
- void *OPENSSL_realloc_clean(void *ptr, size_t old_size, size_t new_size);
-
- /* OPENSSL_cleanse zeros out |len| bytes of memory at |ptr|. This is similar to
- * |memset_s| from C11. */
- OPENSSL_EXPORT void OPENSSL_cleanse(void *ptr, size_t len);
-
- /* CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal. It
- * takes an amount of time dependent on |len|, but independent of the contents
- * of |a| and |b|. Unlike memcmp, it cannot be used to put elements into a
- * defined order as the return value when a != b is undefined, other than to be
- * non-zero. */
- OPENSSL_EXPORT int CRYPTO_memcmp(const void *a, const void *b, size_t len);
-
- /* OPENSSL_hash32 implements the 32 bit, FNV-1a hash. */
- OPENSSL_EXPORT uint32_t OPENSSL_hash32(const void *ptr, size_t len);
-
- /* OPENSSL_strdup has the same behaviour as strdup(3). */
- OPENSSL_EXPORT char *OPENSSL_strdup(const char *s);
-
- /* OPENSSL_strnlen has the same behaviour as strnlen(3). */
- OPENSSL_EXPORT size_t OPENSSL_strnlen(const char *s, size_t len);
-
- /* OPENSSL_strcasecmp has the same behaviour as strcasecmp(3). */
- OPENSSL_EXPORT int OPENSSL_strcasecmp(const char *a, const char *b);
-
- /* OPENSSL_strncasecmp has the same behaviour as strncasecmp(3). */
- OPENSSL_EXPORT int OPENSSL_strncasecmp(const char *a, const char *b, size_t n);
-
- /* DECIMAL_SIZE returns an upper bound for the length of the decimal
- * representation of the given type. */
- #define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1)
-
- /* Printf functions.
- *
- * These functions are either OpenSSL wrappers for standard functions (i.e.
- * |BIO_snprintf| and |BIO_vsnprintf|) which don't exist in C89, or are
- * versions of printf functions that output to a BIO rather than a FILE. */
- #ifdef __GNUC__
- #define __bio_h__attr__ __attribute__
- #else
- #define __bio_h__attr__(x)
- #endif
- OPENSSL_EXPORT int BIO_snprintf(char *buf, size_t n, const char *format, ...)
- __bio_h__attr__((__format__(__printf__, 3, 4)));
-
- OPENSSL_EXPORT int BIO_vsnprintf(char *buf, size_t n, const char *format,
- va_list args)
- __bio_h__attr__((__format__(__printf__, 3, 0)));
- #undef __bio_h__attr__
-
-
- #if defined(__cplusplus)
- } /* extern C */
- #endif
-
- #endif /* OPENSSL_HEADER_MEM_H */
|