sl@0: /* crypto/mem.c */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: /*
sl@0:  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
sl@0:  */
sl@0: 
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <stdlib.h>
sl@0: #include <openssl/crypto.h>
sl@0: #include "cryptlib.h"
sl@0: #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
sl@0: #include "libcrypto_wsd_macros.h"
sl@0: #include "libcrypto_wsd.h"
sl@0: #endif
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: static int allow_customize = 1;      /* we provide flexible functions for */
sl@0: static int allow_customize_debug = 1;/* exchanging memory-related functions at
sl@0:                                       * run-time, but this must be done
sl@0:                                       * before any blocks are actually
sl@0:                                       * allocated; or we'll run into huge
sl@0:                                       * problems when malloc/free pairs
sl@0:                                       * don't match etc. */
sl@0: #else
sl@0:  GET_STATIC_VAR_FROM_TLS(allow_customize,mem,int)
sl@0:  #define allow_customize (*GET_WSD_VAR_NAME(allow_customize,mem,s)())
sl@0:  GET_STATIC_VAR_FROM_TLS(allow_customize_debug,mem,int)
sl@0:  #define allow_customize_debug (*GET_WSD_VAR_NAME(allow_customize_debug,mem,s)())
sl@0: #endif
sl@0: 
sl@0: 
sl@0: /* the following pointers may be changed as long as 'allow_customize' is set */
sl@0: #ifndef EMULATOR
sl@0: typedef void *(*malloc_func_t)(size_t);
sl@0: static void *(*malloc_func)(size_t)         = NULL;
sl@0: static malloc_func_t const malloc_func_def = malloc;
sl@0: static void *default_malloc_ex(size_t num, const char *file, int line)
sl@0: 	{ 
sl@0: 		if(malloc_func)
sl@0: 			return malloc_func(num); 
sl@0: 		else
sl@0: 			return malloc_func_def(num);
sl@0: 	}
sl@0: #else
sl@0: #define malloc_func libcrypto_ImpurePtr()->malloc_func
sl@0: void *default_malloc_ex(size_t num, const char *file, int line)
sl@0: 	{ return malloc_func(num); }
sl@0: #endif
sl@0: #ifndef EMULATOR
sl@0: static void *(*malloc_ex_func)(size_t, const char *file, int line)
sl@0:         = default_malloc_ex;
sl@0: #else
sl@0: #define malloc_ex_func libcrypto_ImpurePtr()->malloc_ex_func        
sl@0: #endif        
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: typedef void *(*realloc_func_t)(void *, size_t);
sl@0: static void *(*realloc_func)(void *, size_t)= NULL;
sl@0: static realloc_func_t const  realloc_func_def = realloc ;
sl@0: static void *default_realloc_ex(void *str, size_t num,
sl@0:         const char *file, int line)
sl@0: 	{ 
sl@0: 		if(realloc_func)
sl@0: 			return realloc_func(str,num); 
sl@0: 		else
sl@0: 			return realloc_func_def(str,num);		 
sl@0: 	}
sl@0: #else
sl@0: #define realloc_func libcrypto_ImpurePtr()->realloc_func
sl@0: void *default_realloc_ex(void *str, size_t num,
sl@0:         const char *file, int line)
sl@0: 	{ return realloc_func(str,num); }
sl@0: #endif
sl@0: 
sl@0: 
sl@0: #ifndef EMULATOR	
sl@0: static void *(*realloc_ex_func)(void *, size_t, const char *file, int line)
sl@0:         = default_realloc_ex;
sl@0: #else
sl@0: #define realloc_ex_func libcrypto_ImpurePtr()->realloc_ex_func
sl@0: #endif        
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: typedef void (*free_func_t)(void *);
sl@0: static void (*free_func)(void *)            = NULL;
sl@0: static free_func_t const free_func_def = free;
sl@0: #else
sl@0: #define free_func_openssl libcrypto_ImpurePtr()->free_func_openssl
sl@0: #endif
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: typedef void *(*malloc_locked_func_t)(size_t);
sl@0: static void *(*malloc_locked_func)(size_t)  = NULL;
sl@0: static malloc_locked_func_t const malloc_locked_func_def = malloc;
sl@0: #else
sl@0: #define  malloc_locked_func libcrypto_ImpurePtr()->malloc_locked_func
sl@0: #endif
sl@0: 
sl@0: #ifndef EMULATOR	
sl@0: static void *default_malloc_locked_ex(size_t num, const char *file, int line)
sl@0: 	{ 
sl@0: 		if(malloc_locked_func)
sl@0: 			return malloc_locked_func(num); 
sl@0: 		else
sl@0: 			return malloc_locked_func_def(num);
sl@0: 		}
sl@0: 
sl@0: static void *(*malloc_locked_ex_func)(size_t, const char *file, int line)
sl@0:         = default_malloc_locked_ex;
sl@0:     
sl@0: typedef void (*free_locked_func_t)(void *);
sl@0: static void (*free_locked_func)(void *)     = NULL;
sl@0: static free_locked_func_t const free_locked_func_def = free;
sl@0: #else
sl@0: void *default_malloc_locked_ex(size_t num, const char *file, int line)
sl@0: 	{ return malloc_locked_func(num); }
sl@0: 
sl@0: #define malloc_locked_ex_func libcrypto_ImpurePtr()->malloc_locked_ex_func
sl@0: #define free_locked_func libcrypto_ImpurePtr()->free_locked_func
sl@0: #endif
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: /* may be changed as long as 'allow_customize_debug' is set */
sl@0: /* XXX use correct function pointer types */
sl@0: #ifdef CRYPTO_MDEBUG
sl@0: /* use default functions from mem_dbg.c */
sl@0: #ifndef EMULATOR
sl@0: static void (*malloc_debug_func)(void *,int,const char *,int,int)
sl@0: 	= CRYPTO_dbg_malloc;
sl@0: static void (*realloc_debug_func)(void *,void *,int,const char *,int,int)
sl@0: 	= CRYPTO_dbg_realloc;
sl@0: static void (*free_debug_func)(void *,int) = CRYPTO_dbg_free;
sl@0: static void (*set_debug_options_func)(long) = CRYPTO_dbg_set_options;
sl@0: static long (*get_debug_options_func)(void) = CRYPTO_dbg_get_options;
sl@0: #else
sl@0: #define malloc_debug_func libcrypto_ImpurePtr()->malloc_debug_func
sl@0: #define realloc_debug_func libcrypto_ImpurePtr()->realloc_debug_func
sl@0: #define free_debug_func libcrypto_ImpurePtr()->free_debug_func
sl@0: #define set_debug_options_func libcrypto_ImpurePtr()->set_debug_options_func
sl@0: #define get_debug_options_func libcrypto_ImpurePtr()->get_debug_options_func
sl@0: 
sl@0: #endif
sl@0: #else
sl@0: /* applications can use CRYPTO_malloc_debug_init() to select above case
sl@0:  * at run-time */
sl@0: static void (*malloc_debug_func)(void *,int,const char *,int,int) = NULL;
sl@0: static void (*realloc_debug_func)(void *,void *,int,const char *,int,int)
sl@0: 	= NULL;
sl@0: static void (*free_debug_func)(void *,int) = NULL;
sl@0: static void (*set_debug_options_func)(long) = NULL;
sl@0: static long (*get_debug_options_func)(void) = NULL;
sl@0: #endif
sl@0: 
sl@0: 
sl@0: EXPORT_C int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t),
sl@0: 	void (*f)(void *))
sl@0: 	{
sl@0: 	if (!allow_customize)
sl@0: 		return 0;
sl@0: 	if ((m == 0) || (r == 0) || (f == 0))
sl@0: 		return 0;
sl@0: 	malloc_func=m; malloc_ex_func=default_malloc_ex;
sl@0: 	realloc_func=r; realloc_ex_func=default_realloc_ex;
sl@0: #ifndef EMULATOR
sl@0:     free_func=f;
sl@0: #else	
sl@0: 	free_func_openssl=f;
sl@0: #endif	
sl@0: 	malloc_locked_func=m; malloc_locked_ex_func=default_malloc_locked_ex;
sl@0: 	free_locked_func=f;
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int CRYPTO_set_mem_ex_functions(
sl@0:         void *(*m)(size_t,const char *,int),
sl@0:         void *(*r)(void *, size_t,const char *,int),
sl@0: 	void (*f)(void *))
sl@0: 	{
sl@0: 	if (!allow_customize)
sl@0: 		return 0;
sl@0: 	if ((m == 0) || (r == 0) || (f == 0))
sl@0: 		return 0;
sl@0: 	malloc_func=0; malloc_ex_func=m;
sl@0: 	realloc_func=0; realloc_ex_func=r;
sl@0: #ifndef EMULATOR
sl@0:     free_func=f;
sl@0: #else	
sl@0: 	free_func_openssl=f;
sl@0: #endif	
sl@0: 	malloc_locked_func=0; malloc_locked_ex_func=m;
sl@0: 	free_locked_func=f;
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*f)(void *))
sl@0: 	{
sl@0: 	if (!allow_customize)
sl@0: 		return 0;
sl@0: 	if ((m == NULL) || (f == NULL))
sl@0: 		return 0;
sl@0: 	malloc_locked_func=m; malloc_locked_ex_func=default_malloc_locked_ex;
sl@0: 	free_locked_func=f;
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int CRYPTO_set_locked_mem_ex_functions(
sl@0:         void *(*m)(size_t,const char *,int),
sl@0:         void (*f)(void *))
sl@0: 	{
sl@0: 	if (!allow_customize)
sl@0: 		return 0;
sl@0: 	if ((m == NULL) || (f == NULL))
sl@0: 		return 0;
sl@0: 	malloc_locked_func=0; malloc_locked_ex_func=m;
sl@0: #ifndef EMULATOR	
sl@0:     free_func=f;
sl@0: #else
sl@0: 	free_func_openssl=f;
sl@0: #endif	
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int CRYPTO_set_mem_debug_functions(void (*m)(void *,int,const char *,int,int),
sl@0: 				   void (*r)(void *,void *,int,const char *,int,int),
sl@0: 				   void (*f)(void *,int),
sl@0: 				   void (*so)(long),
sl@0: 				   long (*go)(void))
sl@0: 	{
sl@0: 	if (!allow_customize_debug)
sl@0: 		return 0;
sl@0: 	malloc_debug_func=m;
sl@0: 	realloc_debug_func=r;
sl@0: 	free_debug_func=f;
sl@0: 	set_debug_options_func=so;
sl@0: 	get_debug_options_func=go;
sl@0: 	return 1;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: EXPORT_C void CRYPTO_get_mem_functions(void *(**m)(size_t), void *(**r)(void *, size_t),
sl@0: 	void (**f)(void *))
sl@0: 	{
sl@0: 	if (m != NULL) *m = (malloc_ex_func == default_malloc_ex) ? 
sl@0: #ifndef	EMULATOR	
sl@0: 	                     (malloc_func!=NULL?malloc_func:malloc_func_def) : 0;
sl@0: #else
sl@0: 											 malloc_func : 0;
sl@0: #endif
sl@0: 	                     
sl@0: 	if (r != NULL) *r = (realloc_ex_func == default_realloc_ex) ? 
sl@0: #ifndef	EMULATOR	
sl@0: 	                     (realloc_func!=NULL?realloc_func:realloc_func_def) : 0;
sl@0: #else
sl@0: 											 realloc_func : 0;
sl@0: #endif
sl@0: 	                     
sl@0: #ifndef EMULATOR	
sl@0:    if (f != NULL) *f=(free_func?free_func:free_func_def);
sl@0: #else
sl@0: 	if (f != NULL) *f=free_func_openssl;
sl@0: #endif	
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_get_mem_ex_functions(
sl@0:         void *(**m)(size_t,const char *,int),
sl@0:         void *(**r)(void *, size_t,const char *,int),
sl@0: 	void (**f)(void *))
sl@0: 	{
sl@0: 	if (m != NULL) *m = (malloc_ex_func != default_malloc_ex) ?
sl@0: 	                    malloc_ex_func : 0;
sl@0: 	if (r != NULL) *r = (realloc_ex_func != default_realloc_ex) ?
sl@0: 	                    realloc_ex_func : 0;
sl@0: 	#ifndef EMULATOR	
sl@0: 	if (f != NULL) *f=(free_func?free_func:free_func_def);
sl@0: 	#else
sl@0: 	if (f != NULL) *f=free_func_openssl;
sl@0: 	#endif
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *))
sl@0: 	{
sl@0: 	if (m != NULL) *m = (malloc_locked_ex_func == default_malloc_locked_ex) ? 
sl@0: #ifndef	EMULATOR
sl@0: 	                     (malloc_locked_func?malloc_locked_func:malloc_locked_func_def) : 0;
sl@0: #else
sl@0: 												malloc_locked_func : 0;
sl@0: #endif	                     
sl@0: #ifndef	EMULATOR
sl@0: 	if (f != NULL) *f=(free_locked_func?free_locked_func:free_locked_func_def);
sl@0: #else
sl@0: 	if (f != NULL) *f=free_locked_func;
sl@0: #endif	
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_get_locked_mem_ex_functions(
sl@0:         void *(**m)(size_t,const char *,int),
sl@0:         void (**f)(void *))
sl@0: 	{
sl@0: 	if (m != NULL) *m = (malloc_locked_ex_func != default_malloc_locked_ex) ?
sl@0: 	                    malloc_locked_ex_func : 0;
sl@0: #ifndef	EMULATOR	                    
sl@0: 	if (f != NULL) *f=(free_locked_func?free_locked_func:free_locked_func_def);
sl@0: #else
sl@0: 	if (f != NULL) *f= free_locked_func;
sl@0: #endif	
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_get_mem_debug_functions(void (**m)(void *,int,const char *,int,int),
sl@0: 				    void (**r)(void *,void *,int,const char *,int,int),
sl@0: 				    void (**f)(void *,int),
sl@0: 				    void (**so)(long),
sl@0: 				    long (**go)(void))
sl@0: 	{
sl@0: 	if (m != NULL) *m=malloc_debug_func;
sl@0: 	if (r != NULL) *r=realloc_debug_func;
sl@0: 	if (f != NULL) *f=free_debug_func;
sl@0: 	if (so != NULL) *so=set_debug_options_func;
sl@0: 	if (go != NULL) *go=get_debug_options_func;
sl@0: 	}
sl@0: 
sl@0: #ifdef EMULATOR
sl@0: 
sl@0: unsigned char GET_WSD_VAR_NAME(cleanse_ctr,mem_clr, g)();
sl@0: #define cleanse_ctr (*GET_WSD_VAR_NAME(cleanse_ctr,mem_clr, g)())
sl@0: #endif
sl@0: 
sl@0: EXPORT_C void *CRYPTO_malloc_locked(int num, const char *file, int line)
sl@0: 	{
sl@0: 	void *ret = NULL;
sl@0: 	extern unsigned char cleanse_ctr;
sl@0: 
sl@0: 	if (num <= 0) return NULL;
sl@0: 
sl@0: 	allow_customize = 0;
sl@0: 	if (malloc_debug_func != NULL)
sl@0: 		{
sl@0: 		allow_customize_debug = 0;
sl@0: 		malloc_debug_func(NULL, num, file, line, 0);
sl@0: 		}
sl@0: 	ret = malloc_locked_ex_func(num,file,line);
sl@0: #ifdef LEVITTE_DEBUG_MEM
sl@0: 	fprintf(stderr, "LEVITTE_DEBUG_MEM:         > 0x%p (%d)\n", ret, num);
sl@0: #endif
sl@0: 	if (malloc_debug_func != NULL)
sl@0: 		malloc_debug_func(ret, num, file, line, 1);
sl@0: 
sl@0:         /* Create a dependency on the value of 'cleanse_ctr' so our memory
sl@0:          * sanitisation function can't be optimised out. NB: We only do
sl@0:          * this for >2Kb so the overhead doesn't bother us. */
sl@0:         if(ret && (num > 2048))
sl@0: 		((unsigned char *)ret)[0] = cleanse_ctr;
sl@0: 
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_free_locked(void *str)
sl@0: 	{
sl@0: 	if (free_debug_func != NULL)
sl@0: 		free_debug_func(str, 0);
sl@0: #ifdef LEVITTE_DEBUG_MEM
sl@0: 	fprintf(stderr, "LEVITTE_DEBUG_MEM:         < 0x%p\n", str);
sl@0: #endif
sl@0: #ifndef	EMULATOR
sl@0: 	free_locked_func?free_locked_func(str):free_locked_func_def(str);
sl@0: #else
sl@0: 	free_locked_func(str);
sl@0: #endif	
sl@0: 	if (free_debug_func != NULL)
sl@0: 		free_debug_func(NULL, 1);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: EXPORT_C void *CRYPTO_malloc(int num, const char *file, int line)
sl@0: 	{
sl@0: 	void *ret = NULL;
sl@0: 	extern unsigned char cleanse_ctr;
sl@0: 
sl@0: 	if (num <= 0) return NULL;
sl@0: 
sl@0: 	allow_customize = 0;
sl@0: 	if (malloc_debug_func != NULL)
sl@0: 		{
sl@0: 		allow_customize_debug = 0;
sl@0: 		malloc_debug_func(NULL, num, file, line, 0);
sl@0: 		}
sl@0: 	ret = malloc_ex_func(num,file,line);
sl@0: #ifdef LEVITTE_DEBUG_MEM
sl@0: 	fprintf(stderr, "LEVITTE_DEBUG_MEM:         > 0x%p (%d)\n", ret, num);
sl@0: #endif
sl@0: 	if (malloc_debug_func != NULL)
sl@0: 		malloc_debug_func(ret, num, file, line, 1);
sl@0: 
sl@0:         /* Create a dependency on the value of 'cleanse_ctr' so our memory
sl@0:          * sanitisation function can't be optimised out. NB: We only do
sl@0:          * this for >2Kb so the overhead doesn't bother us. */
sl@0:         if(ret && (num > 2048))
sl@0:                 ((unsigned char *)ret)[0] = cleanse_ctr;
sl@0: 
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *CRYPTO_realloc(void *str, int num, const char *file, int line)
sl@0: 	{
sl@0: 	void *ret = NULL;
sl@0: 
sl@0: 	if (str == NULL)
sl@0: 		return CRYPTO_malloc(num, file, line);
sl@0: 
sl@0: 	if (num <= 0) return NULL;
sl@0: 
sl@0: 	if (realloc_debug_func != NULL)
sl@0: 		realloc_debug_func(str, NULL, num, file, line, 0);
sl@0: 	ret = realloc_ex_func(str,num,file,line);
sl@0: #ifdef LEVITTE_DEBUG_MEM
sl@0: 	fprintf(stderr, "LEVITTE_DEBUG_MEM:         | 0x%p -> 0x%p (%d)\n", str, ret, num);
sl@0: #endif
sl@0: 	if (realloc_debug_func != NULL)
sl@0: 		realloc_debug_func(str, ret, num, file, line, 1);
sl@0: 
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *CRYPTO_realloc_clean(void *str, int old_len, int num, const char *file,
sl@0: 			   int line)
sl@0: 	{
sl@0: 	void *ret = NULL;
sl@0: 
sl@0: 	if (str == NULL)
sl@0: 		return CRYPTO_malloc(num, file, line);
sl@0: 
sl@0: 	if (num <= 0) return NULL;
sl@0: 
sl@0: 	if (realloc_debug_func != NULL)
sl@0: 		realloc_debug_func(str, NULL, num, file, line, 0);
sl@0: 	ret=malloc_ex_func(num,file,line);
sl@0: 	if(ret)
sl@0: 		{
sl@0: 		memcpy(ret,str,old_len);
sl@0: 		OPENSSL_cleanse(str,old_len);
sl@0: 		#ifndef EMULATOR
sl@0: 		free_func?free_func(str):free_func_def(str);
sl@0: 		#else
sl@0: 		free_func_openssl(str);
sl@0: 		#endif
sl@0: 		}
sl@0: #ifdef LEVITTE_DEBUG_MEM
sl@0: 	fprintf(stderr,
sl@0: 		"LEVITTE_DEBUG_MEM:         | 0x%p -> 0x%p (%d)\n",
sl@0: 		str, ret, num);
sl@0: #endif
sl@0: 	if (realloc_debug_func != NULL)
sl@0: 		realloc_debug_func(str, ret, num, file, line, 1);
sl@0: 
sl@0: 	return ret;
sl@0: 	}
sl@0: 	
sl@0: 
sl@0: EXPORT_C void CRYPTO_free(void *str)
sl@0: 	{
sl@0: 	if (free_debug_func != NULL)
sl@0: 		free_debug_func(str, 0);
sl@0: #ifdef LEVITTE_DEBUG_MEM
sl@0: 	fprintf(stderr, "LEVITTE_DEBUG_MEM:         < 0x%p\n", str);
sl@0: #endif
sl@0: #ifndef EMULATOR
sl@0: 	free_func?free_func(str):free_func_def(str);
sl@0: #else
sl@0: 	free_func_openssl(str);
sl@0: #endif	
sl@0: 	if (free_debug_func != NULL)
sl@0: 		free_debug_func(NULL, 1);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: EXPORT_C void *CRYPTO_remalloc(void *a, int num, const char *file, int line)
sl@0: 	{
sl@0: 	if (a != NULL) OPENSSL_free(a);
sl@0: 	a=(char *)OPENSSL_malloc(num);
sl@0: 	return(a);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_set_mem_debug_options(long bits)
sl@0: 	{
sl@0: 	if (set_debug_options_func != NULL)
sl@0: 		set_debug_options_func(bits);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C long CRYPTO_get_mem_debug_options(void)
sl@0: 	{
sl@0: 	if (get_debug_options_func != NULL)
sl@0: 		return get_debug_options_func();
sl@0: 	return 0;
sl@0: 	}
sl@0: 
sl@0: