crypto/mem.c - third_party/openssl - Git at Google

 /* crypto/mem.c */
 /* 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.]
  */

 #include <stdio.h>
 #include <stdlib.h>
 #include <openssl/buffer.h>
 #include <openssl/bio.h>
 #include <openssl/lhash.h>
 #include "cryptlib.h"

 #ifdef CRYPTO_MDEBUG
 static int mh_mode=CRYPTO_MEM_CHECK_ON;
 #else
 static int mh_mode=CRYPTO_MEM_CHECK_OFF;
 #endif
 static unsigned long order=0;

 static LHASH *mh=NULL;

 typedef struct mem_st
 	{
 	char *addr;
 	int num;
 	const char *file;
 	int line;
 	unsigned long order;
 	} MEM;

 int CRYPTO_mem_ctrl(int mode)
 	{
 	int ret=mh_mode;

 	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
 	switch (mode)
 		{
 	case CRYPTO_MEM_CHECK_ON:
 		mh_mode|=CRYPTO_MEM_CHECK_ON;
 		break;
 	case CRYPTO_MEM_CHECK_OFF:
 		mh_mode&= ~CRYPTO_MEM_CHECK_ON;
 		break;
 	case CRYPTO_MEM_CHECK_DISABLE:
 		mh_mode&= ~CRYPTO_MEM_CHECK_ENABLE;
 		break;
 	case CRYPTO_MEM_CHECK_ENABLE:
 		if (mh_mode&CRYPTO_MEM_CHECK_ON)
 			mh_mode|=CRYPTO_MEM_CHECK_ENABLE;
 		break;
 	default:
 		break;
 		}
 	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
 	return(ret);
 	}

 static int mem_cmp(MEM *a, MEM *b)
 	{
 	return(a->addr - b->addr);
 	}

 static unsigned long mem_hash(MEM *a)
 	{
 	unsigned long ret;

 	ret=(unsigned long)a->addr;

 	ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
 	return(ret);
 	}

 static char *(*malloc_locked_func)()=(char *(*)())malloc;
 static void (*free_locked_func)()=(void (*)())free;
 static char *(*malloc_func)()=	(char *(*)())malloc;
 static char *(*realloc_func)()=	(char *(*)())realloc;
 static void (*free_func)()=	(void (*)())free;

 void CRYPTO_set_mem_functions(char *(*m)(), char *(*r)(), void (*f)())
 	{
 	if ((m == NULL) || (r == NULL) || (f == NULL)) return;
 	malloc_func=m;
 	realloc_func=r;
 	free_func=f;
 	malloc_locked_func=m;
 	free_locked_func=f;
 	}

 void CRYPTO_set_locked_mem_functions(char *(*m)(), void (*f)())
 	{
 	if ((m == NULL) || (f == NULL)) return;
 	malloc_locked_func=m;
 	free_locked_func=f;
 	}

 void CRYPTO_get_mem_functions(char *(**m)(), char *(**r)(), void (**f)())
 	{
 	if (m != NULL) *m=malloc_func;
 	if (r != NULL) *r=realloc_func;
 	if (f != NULL) *f=free_func;
 	}

 void CRYPTO_get_locked_mem_functions(char *(**m)(), void (**f)())
 	{
 	if (m != NULL) *m=malloc_locked_func;
 	if (f != NULL) *f=free_locked_func;
 	}

 void *CRYPTO_malloc_locked(int num)
 	{
 	return(malloc_locked_func(num));
 	}

 void CRYPTO_free_locked(void *str)
 	{
 	free_locked_func(str);
 	}

 void *CRYPTO_malloc(int num)
 	{
 	return(malloc_func(num));
 	}

 void *CRYPTO_realloc(void *str, int num)
 	{
 	return(realloc_func(str,num));
 	}

 void CRYPTO_free(void *str)
 	{
 	free_func(str);
 	}

 static unsigned long break_order_num=0;
 void *CRYPTO_dbg_malloc(int num, const char *file, int line)
 	{
 	char *ret;
 	MEM *m,*mm;

 	if ((ret=malloc_func(num)) == NULL)
 		return(NULL);

 	if (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
 		{
 		MemCheck_off();
 		if ((m=(MEM *)Malloc(sizeof(MEM))) == NULL)
 			{
 			Free(ret);
 			MemCheck_on();
 			return(NULL);
 			}
 		CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
 		if (mh == NULL)
 			{
 			if ((mh=lh_new(mem_hash,mem_cmp)) == NULL)
 				{
 				Free(ret);
 				Free(m);
 				ret=NULL;
 				goto err;
 				}
 			}

 		m->addr=ret;
 		m->file=file;
 		m->line=line;
 		m->num=num;
 		if (order == break_order_num)
 			{
 			/* BREAK HERE */
 			m->order=order;
 			}
 		m->order=order++;
 		if ((mm=(MEM *)lh_insert(mh,(char *)m)) != NULL)
 			{
 			/* Not good, but don't sweat it */
 			Free(mm);
 			}
 err:
 		CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
 		MemCheck_on();
 		}
 	return(ret);
 	}

 void CRYPTO_dbg_free(void *addr)
 	{
 	MEM m,*mp;

 	if ((mh_mode & CRYPTO_MEM_CHECK_ENABLE) && (mh != NULL))
 		{
 		MemCheck_off();
 		CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
 		m.addr=addr;
 		mp=(MEM *)lh_delete(mh,(char *)&m);
 		if (mp != NULL)
 			Free(mp);
 		CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
 		MemCheck_on();
 		}
 	free_func(addr);
 	}

 void *CRYPTO_dbg_realloc(void *addr, int num, const char *file, int line)
 	{
 	char *ret;
 	MEM m,*mp;

 	ret=realloc_func(addr,num);
 	if (ret == addr) return(ret);

 	if (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
 		{
 		MemCheck_off();
 		if (ret == NULL) return(NULL);
 		m.addr=addr;
 		CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
 		mp=(MEM *)lh_delete(mh,(char *)&m);
 		if (mp != NULL)
 			{
 			mp->addr=ret;
 			lh_insert(mh,(char *)mp);
 			}
 		CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
 		MemCheck_on();
 		}
 	return(ret);
 	}

 void *CRYPTO_remalloc(void *a, int n)
 	{
 	if (a != NULL) Free(a);
 	a=(char *)Malloc(n);
 	return(a);
 	}

 void *CRYPTO_dbg_remalloc(void *a, int n, const char *file, int line)
 	{
 	if (a != NULL) CRYPTO_dbg_free(a);
 	a=(char *)CRYPTO_dbg_malloc(n,file,line);
 	return(a);
 	}


 typedef struct mem_leak_st
 	{
 	BIO *bio;
 	int chunks;
 	long bytes;
 	} MEM_LEAK;

 static void print_leak(MEM *m, MEM_LEAK *l)
 	{
 	char buf[128];

 	if(m->addr == (char *)l->bio)
 	    return;
 	sprintf(buf,"%5ld file=%s, line=%d, number=%d, address=%08lX\n",
 		m->order,m->file,m->line,m->num,(long)m->addr);
 	BIO_puts(l->bio,buf);
 	l->chunks++;
 	l->bytes+=m->num;
 	}

 void CRYPTO_mem_leaks(BIO *b)
 	{
 	MEM_LEAK ml;
 	char buf[80];

 	if (mh == NULL) return;
 	ml.bio=b;
 	ml.bytes=0;
 	ml.chunks=0;
 	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
 	lh_doall_arg(mh,(void (*)())print_leak,(char *)&ml);
 	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
 	if (ml.chunks != 0)
 		{
 		sprintf(buf,"%ld bytes leaked in %d chunks\n",
 			ml.bytes,ml.chunks);
 		BIO_puts(b,buf);
 		}

 #if 0
 	lh_stats_bio(mh,b);
         lh_node_stats_bio(mh,b);
         lh_node_usage_stats_bio(mh,b);
 #endif
 	}

 static void (*mem_cb)()=NULL;

 static void cb_leak(MEM *m, char *cb)
 	{
 	void (*mem_callback)()=(void (*)())cb;
 	mem_callback(m->order,m->file,m->line,m->num,m->addr);
 	}

 void CRYPTO_mem_leaks_cb(void (*cb)())
 	{
 	if (mh == NULL) return;
 	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
 	mem_cb=cb;
 	lh_doall_arg(mh,(void (*)())cb_leak,(char *)mem_cb);
 	mem_cb=NULL;
 	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
 	}

 #ifndef NO_FP_API
 void CRYPTO_mem_leaks_fp(FILE *fp)
 	{
 	BIO *b;

 	if (mh == NULL) return;
 	if ((b=BIO_new(BIO_s_file())) == NULL)
 		return;
 	BIO_set_fp(b,fp,BIO_NOCLOSE);
 	CRYPTO_mem_leaks(b);
 	BIO_free(b);
 	}
 #endif
	/* crypto/mem.c */
	/* 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.]
	*/

	#include <stdio.h>
	#include <stdlib.h>
	#include <openssl/buffer.h>
	#include <openssl/bio.h>
	#include <openssl/lhash.h>
	#include "cryptlib.h"

	#ifdef CRYPTO_MDEBUG
	static int mh_mode=CRYPTO_MEM_CHECK_ON;
	#else
	static int mh_mode=CRYPTO_MEM_CHECK_OFF;
	#endif
	static unsigned long order=0;

	static LHASH *mh=NULL;

	typedef struct mem_st
	{
	char *addr;
	int num;
	const char *file;
	int line;
	unsigned long order;
	} MEM;

	int CRYPTO_mem_ctrl(int mode)
	{
	int ret=mh_mode;

	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
	switch (mode)
	{
	case CRYPTO_MEM_CHECK_ON:
	mh_mode\|=CRYPTO_MEM_CHECK_ON;
	break;
	case CRYPTO_MEM_CHECK_OFF:
	mh_mode&= ~CRYPTO_MEM_CHECK_ON;
	break;
	case CRYPTO_MEM_CHECK_DISABLE:
	mh_mode&= ~CRYPTO_MEM_CHECK_ENABLE;
	break;
	case CRYPTO_MEM_CHECK_ENABLE:
	if (mh_mode&CRYPTO_MEM_CHECK_ON)
	mh_mode\|=CRYPTO_MEM_CHECK_ENABLE;
	break;
	default:
	break;
	}
	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
	return(ret);
	}

	static int mem_cmp(MEM a, MEM b)
	{
	return(a->addr - b->addr);
	}

	static unsigned long mem_hash(MEM *a)
	{
	unsigned long ret;

	ret=(unsigned long)a->addr;

	ret=ret17851+(ret>>14)7+(ret>>4)*251;
	return(ret);
	}

	static char (malloc_locked_func)()=(char ()())malloc;
	static void (free_locked_func)()=(void ()())free;
	static char (malloc_func)()= (char ()())malloc;
	static char (realloc_func)()= (char ()())realloc;
	static void (free_func)()= (void ()())free;

	void CRYPTO_set_mem_functions(char (m)(), char (r)(), void (*f)())
	{
	if ((m == NULL) \|\| (r == NULL) \|\| (f == NULL)) return;
	malloc_func=m;
	realloc_func=r;
	free_func=f;
	malloc_locked_func=m;
	free_locked_func=f;
	}

	void CRYPTO_set_locked_mem_functions(char (m)(), void (*f)())
	{
	if ((m == NULL) \|\| (f == NULL)) return;
	malloc_locked_func=m;
	free_locked_func=f;
	}

	void CRYPTO_get_mem_functions(char (m)(), char (r)(), void (f)())
	{
	if (m != NULL) *m=malloc_func;
	if (r != NULL) *r=realloc_func;
	if (f != NULL) *f=free_func;
	}

	void CRYPTO_get_locked_mem_functions(char (m)(), void (*f)())
	{
	if (m != NULL) *m=malloc_locked_func;
	if (f != NULL) *f=free_locked_func;
	}

	void *CRYPTO_malloc_locked(int num)
	{
	return(malloc_locked_func(num));
	}

	void CRYPTO_free_locked(void *str)
	{
	free_locked_func(str);
	}

	void *CRYPTO_malloc(int num)
	{
	return(malloc_func(num));
	}

	void CRYPTO_realloc(void str, int num)
	{
	return(realloc_func(str,num));
	}

	void CRYPTO_free(void *str)
	{
	free_func(str);
	}

	static unsigned long break_order_num=0;
	void CRYPTO_dbg_malloc(int num, const char file, int line)
	{
	char *ret;
	MEM m,mm;

	if ((ret=malloc_func(num)) == NULL)
	return(NULL);

	if (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
	{
	MemCheck_off();
	if ((m=(MEM *)Malloc(sizeof(MEM))) == NULL)
	{
	Free(ret);
	MemCheck_on();
	return(NULL);
	}
	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
	if (mh == NULL)
	{
	if ((mh=lh_new(mem_hash,mem_cmp)) == NULL)
	{
	Free(ret);
	Free(m);
	ret=NULL;
	goto err;
	}
	}

	m->addr=ret;
	m->file=file;
	m->line=line;
	m->num=num;
	if (order == break_order_num)
	{
	/* BREAK HERE */
	m->order=order;
	}
	m->order=order++;
	if ((mm=(MEM )lh_insert(mh,(char )m)) != NULL)
	{
	/* Not good, but don't sweat it */
	Free(mm);
	}
	err:
	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
	MemCheck_on();
	}
	return(ret);
	}

	void CRYPTO_dbg_free(void *addr)
	{
	MEM m,*mp;

	if ((mh_mode & CRYPTO_MEM_CHECK_ENABLE) && (mh != NULL))
	{
	MemCheck_off();
	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
	m.addr=addr;
	mp=(MEM )lh_delete(mh,(char )&m);
	if (mp != NULL)
	Free(mp);
	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
	MemCheck_on();
	}
	free_func(addr);
	}

	void CRYPTO_dbg_realloc(void addr, int num, const char *file, int line)
	{
	char *ret;
	MEM m,*mp;

	ret=realloc_func(addr,num);
	if (ret == addr) return(ret);

	if (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
	{
	MemCheck_off();
	if (ret == NULL) return(NULL);
	m.addr=addr;
	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
	mp=(MEM )lh_delete(mh,(char )&m);
	if (mp != NULL)
	{
	mp->addr=ret;
	lh_insert(mh,(char *)mp);
	}
	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
	MemCheck_on();
	}
	return(ret);
	}

	void CRYPTO_remalloc(void a, int n)
	{
	if (a != NULL) Free(a);
	a=(char *)Malloc(n);
	return(a);
	}

	void CRYPTO_dbg_remalloc(void a, int n, const char *file, int line)
	{
	if (a != NULL) CRYPTO_dbg_free(a);
	a=(char *)CRYPTO_dbg_malloc(n,file,line);
	return(a);
	}


	typedef struct mem_leak_st
	{
	BIO *bio;
	int chunks;
	long bytes;
	} MEM_LEAK;

	static void print_leak(MEM m, MEM_LEAK l)
	{
	char buf[128];

	if(m->addr == (char *)l->bio)
	return;
	sprintf(buf,"%5ld file=%s, line=%d, number=%d, address=%08lX\n",
	m->order,m->file,m->line,m->num,(long)m->addr);
	BIO_puts(l->bio,buf);
	l->chunks++;
	l->bytes+=m->num;
	}

	void CRYPTO_mem_leaks(BIO *b)
	{
	MEM_LEAK ml;
	char buf[80];

	if (mh == NULL) return;
	ml.bio=b;
	ml.bytes=0;
	ml.chunks=0;
	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
	lh_doall_arg(mh,(void ()())print_leak,(char )&ml);
	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
	if (ml.chunks != 0)
	{
	sprintf(buf,"%ld bytes leaked in %d chunks\n",
	ml.bytes,ml.chunks);
	BIO_puts(b,buf);
	}

	#if 0
	lh_stats_bio(mh,b);
	lh_node_stats_bio(mh,b);
	lh_node_usage_stats_bio(mh,b);
	#endif
	}

	static void (*mem_cb)()=NULL;

	static void cb_leak(MEM m, char cb)
	{
	void (mem_callback)()=(void ()())cb;
	mem_callback(m->order,m->file,m->line,m->num,m->addr);
	}

	void CRYPTO_mem_leaks_cb(void (*cb)())
	{
	if (mh == NULL) return;
	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
	mem_cb=cb;
	lh_doall_arg(mh,(void ()())cb_leak,(char )mem_cb);
	mem_cb=NULL;
	CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
	}

	#ifndef NO_FP_API
	void CRYPTO_mem_leaks_fp(FILE *fp)
	{
	BIO *b;

	if (mh == NULL) return;
	if ((b=BIO_new(BIO_s_file())) == NULL)
	return;
	BIO_set_fp(b,fp,BIO_NOCLOSE);
	CRYPTO_mem_leaks(b);
	BIO_free(b);
	}
	#endif