1 /*
2  * Copyright (C) 2000-2012 Free Software Foundation, Inc.
3  *
4  * Author: Nikos Mavrogiannopoulos
5  *
6  * This file is part of GnuTLS.
7  *
8  * The GnuTLS is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public License
10  * as published by the Free Software Foundation; either version 2.1 of
11  * the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License
19  * along with this program.  If not, see <https://www.gnu.org/licenses/>
20  *
21  */
22 
23 #ifndef GNUTLS_LIB_MEM_H
24 #define GNUTLS_LIB_MEM_H
25 
26 #include <config.h>
27 
28 /* this realloc function will return ptr if size==0, and
29  * will free the ptr if the new allocation failed.
30  */
31 void *gnutls_realloc_fast(void *ptr, size_t size);
32 
33 void *_gnutls_calloc(size_t nmemb, size_t size);
34 char *_gnutls_strdup(const char *);
35 
36 unsigned _gnutls_mem_is_zero(const uint8_t *ptr, unsigned size);
37 
38 #define zrelease_mpi_key(mpi) if (*mpi!=NULL) { \
39 		_gnutls_mpi_clear(*mpi); \
40 		_gnutls_mpi_release(mpi); \
41 	}
42 
43 #define zeroize_key(x, size) gnutls_memset(x, 0, size)
44 
45 #define zeroize_temp_key zeroize_key
46 #define zrelease_temp_mpi_key zrelease_mpi_key
47 
48 #endif /* GNUTLS_LIB_MEM_H */
49