| /* 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 */ |
