src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/ssl/src/crypto/err/err.c - public/gem5-resources - Git at Google

 /* crypto/err/err.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.]
  */
 /* ====================================================================
  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  *
  * 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 above 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 acknowledgment:
  *    "This product includes software developed by the OpenSSL Project
  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  *
  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  *    endorse or promote products derived from this software without
  *    prior written permission. For written permission, please contact
  *    openssl-core@openssl.org.
  *
  * 5. Products derived from this software may not be called "OpenSSL"
  *    nor may "OpenSSL" appear in their names without prior written
  *    permission of the OpenSSL Project.
  *
  * 6. Redistributions of any form whatsoever must retain the following
  *    acknowledgment:
  *    "This product includes software developed by the OpenSSL Project
  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  *
  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  * EXPRESSED 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 OpenSSL PROJECT OR
  * ITS 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.
  * ====================================================================
  *
  * This product includes cryptographic software written by Eric Young
  * (eay@cryptsoft.com).  This product includes software written by Tim
  * Hudson (tjh@cryptsoft.com).
  *
  */

 #include <stdio.h>
 #include <stdarg.h>
 #include <string.h>
 #include "cryptlib.h"
 #include <openssl/lhash.h>
 #include <openssl/crypto.h>
 #include <openssl/buffer.h>
 #include <openssl/bio.h>
 #include <openssl/err.h>

 static unsigned long get_error_values(int inc,int top,
 					const char **file,int *line,
 					const char **data,int *flags);

 #define err_clear_data(p,i) \
 	do { \
 	if (((p)->err_data[i] != NULL) && \
 		(p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
 		{  \
 		OPENSSL_free((p)->err_data[i]); \
 		(p)->err_data[i]=NULL; \
 		} \
 	(p)->err_data_flags[i]=0; \
 	} while(0)

 #define err_clear(p,i) \
 	do { \
 	(p)->err_flags[i]=0; \
 	(p)->err_buffer[i]=0; \
 	err_clear_data(p,i); \
 	(p)->err_file[i]=NULL; \
 	(p)->err_line[i]= -1; \
 	} while(0)

 void ERR_put_error(int lib, int func, int reason, const char *file,
 	     int line)
 	{
 	ERR_STATE *es;

 #ifdef _OSD_POSIX
 	/* In the BS2000-OSD POSIX subsystem, the compiler generates
 	 * path names in the form "*POSIX(/etc/passwd)".
 	 * This dirty hack strips them to something sensible.
 	 * @@@ We shouldn't modify a const string, though.
 	 */
 	if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {
 		char *end;

 		/* Skip the "*POSIX(" prefix */
 		file += sizeof("*POSIX(")-1;
 		end = &file[strlen(file)-1];
 		if (*end == ')')
 			*end = '\0';
 		/* Optional: use the basename of the path only. */
 		if ((end = strrchr(file, '/')) != NULL)
 			file = &end[1];
 	}
 #endif
 	es=ERR_get_state();

 	es->top=(es->top+1)%ERR_NUM_ERRORS;
 	if (es->top == es->bottom)
 		es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;
 	es->err_flags[es->top]=0;
 	es->err_buffer[es->top]=ERR_PACK(lib,func,reason);
 	es->err_file[es->top]=file;
 	es->err_line[es->top]=line;
 	err_clear_data(es,es->top);
 	}

 void ERR_clear_error(void)
 	{
 	int i;
 	ERR_STATE *es;

 	es=ERR_get_state();

 	for (i=0; i<ERR_NUM_ERRORS; i++)
 		{
 		err_clear(es,i);
 		}
 	es->top=es->bottom=0;
 	}


 unsigned long ERR_get_error(void)
 	{ return(get_error_values(1,0,NULL,NULL,NULL,NULL)); }

 unsigned long ERR_get_error_line(const char **file,
 	     int *line)
 	{ return(get_error_values(1,0,file,line,NULL,NULL)); }

 unsigned long ERR_get_error_line_data(const char **file, int *line,
 	     const char **data, int *flags)
 	{ return(get_error_values(1,0,file,line,data,flags)); }


 unsigned long ERR_peek_error(void)
 	{ return(get_error_values(0,0,NULL,NULL,NULL,NULL)); }

 unsigned long ERR_peek_error_line(const char **file, int *line)
 	{ return(get_error_values(0,0,file,line,NULL,NULL)); }

 unsigned long ERR_peek_error_line_data(const char **file, int *line,
 	     const char **data, int *flags)
 	{ return(get_error_values(0,0,file,line,data,flags)); }


 unsigned long ERR_peek_last_error(void)
 	{ return(get_error_values(0,1,NULL,NULL,NULL,NULL)); }

 unsigned long ERR_peek_last_error_line(const char **file, int *line)
 	{ return(get_error_values(0,1,file,line,NULL,NULL)); }

 unsigned long ERR_peek_last_error_line_data(const char **file, int *line,
 	     const char **data, int *flags)
 	{ return(get_error_values(0,1,file,line,data,flags)); }


 static unsigned long get_error_values(int inc, int top, const char **file, int *line,
 	     const char **data, int *flags)
 	{
 	int i=0;
 	ERR_STATE *es;
 	unsigned long ret;

 	es=ERR_get_state();

 	if (inc && top)
 		{
 		if (file) *file = "";
 		if (line) *line = 0;
 		if (data) *data = "";
 		if (flags) *flags = 0;

 		return ERR_R_INTERNAL_ERROR;
 		}

 	if (es->bottom == es->top) return 0;
 	if (top)
 		i=es->top;			 /* last error */
 	else
 		i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */

 	ret=es->err_buffer[i];
 	if (inc)
 		{
 		es->bottom=i;
 		es->err_buffer[i]=0;
 		}

 	if ((file != NULL) && (line != NULL))
 		{
 		if (es->err_file[i] == NULL)
 			{
 			*file="NA";
 			if (line != NULL) *line=0;
 			}
 		else
 			{
 			*file=es->err_file[i];
 			if (line != NULL) *line=es->err_line[i];
 			}
 		}

 	if (data == NULL)
 		{
 		if (inc)
 			{
 			err_clear_data(es, i);
 			}
 		}
 	else
 		{
 		if (es->err_data[i] == NULL)
 			{
 			*data="";
 			if (flags != NULL) *flags=0;
 			}
 		else
 			{
 			*data=es->err_data[i];
 			if (flags != NULL) *flags=es->err_data_flags[i];
 			}
 		}
 	return ret;
 	}

 void ERR_set_error_data(char *data, int flags)
 	{
 	ERR_STATE *es;
 	int i;

 	es=ERR_get_state();

 	i=es->top;
 	if (i == 0)
 		i=ERR_NUM_ERRORS-1;

 	err_clear_data(es,i);
 	es->err_data[i]=data;
 	es->err_data_flags[i]=flags;
 	}

 void ERR_add_error_data(int num, ...)
 	{
 	va_list args;
 	int i,n,s;
 	char *str,*p,*a;

 	s=80;
 	str=OPENSSL_malloc(s+1);
 	if (str == NULL) return;
 	str[0]='\0';

 	va_start(args, num);
 	n=0;
 	for (i=0; i<num; i++)
 		{
 		a=va_arg(args, char*);
 		/* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
 		if (a != NULL)
 			{
 			n+=strlen(a);
 			if (n > s)
 				{
 				s=n+20;
 				p=OPENSSL_realloc(str,s+1);
 				if (p == NULL)
 					{
 					OPENSSL_free(str);
 					goto err;
 					}
 				else
 					str=p;
 				}
 			BUF_strlcat(str,a,(size_t)s+1);
 			}
 		}
 	ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING);

 err:
 	va_end(args);
 	}

 int ERR_set_mark(void)
 	{
 	ERR_STATE *es;

 	es=ERR_get_state();

 	if (es->bottom == es->top) return 0;
 	es->err_flags[es->top]|=ERR_FLAG_MARK;
 	return 1;
 	}

 int ERR_pop_to_mark(void)
 	{
 	ERR_STATE *es;

 	es=ERR_get_state();

 	while(es->bottom != es->top
 		&& (es->err_flags[es->top] & ERR_FLAG_MARK) == 0)
 		{
 		err_clear(es,es->top);
 		es->top-=1;
 		if (es->top == -1) es->top=ERR_NUM_ERRORS-1;
 		}

 	if (es->bottom == es->top) return 0;
 	es->err_flags[es->top]&=~ERR_FLAG_MARK;
 	return 1;
 	}

 #ifdef OPENSSL_FIPS

 static ERR_STATE *fget_state(void)
 	{
 	static ERR_STATE fstate;
 	return &fstate;
 	}

 ERR_STATE *(*get_state_func)(void) = fget_state;
 void (*remove_state_func)(unsigned long pid);

 ERR_STATE *ERR_get_state(void)
 	{
 	return get_state_func();
 	}

 void int_ERR_set_state_func(ERR_STATE *(*get_func)(void),
 				void (*remove_func)(unsigned long pid))
 	{
 	get_state_func = get_func;
 	remove_state_func = remove_func;
 	}

 void ERR_remove_state(unsigned long pid)
 	{
 	if (remove_state_func)
 		remove_state_func(pid);
 	}

 #endif
	/* crypto/err/err.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.]
	*/
	/* ====================================================================
	* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
	*
	* 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 above 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 acknowledgment:
	* "This product includes software developed by the OpenSSL Project
	* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
	*
	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	* endorse or promote products derived from this software without
	* prior written permission. For written permission, please contact
	* openssl-core@openssl.org.
	*
	* 5. Products derived from this software may not be called "OpenSSL"
	* nor may "OpenSSL" appear in their names without prior written
	* permission of the OpenSSL Project.
	*
	* 6. Redistributions of any form whatsoever must retain the following
	* acknowledgment:
	* "This product includes software developed by the OpenSSL Project
	* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
	*
	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	* EXPRESSED 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 OpenSSL PROJECT OR
	* ITS 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.
	* ====================================================================
	*
	* This product includes cryptographic software written by Eric Young
	* (eay@cryptsoft.com). This product includes software written by Tim
	* Hudson (tjh@cryptsoft.com).
	*
	*/

	#include <stdio.h>
	#include <stdarg.h>
	#include <string.h>
	#include "cryptlib.h"
	#include <openssl/lhash.h>
	#include <openssl/crypto.h>
	#include <openssl/buffer.h>
	#include <openssl/bio.h>
	#include <openssl/err.h>

	static unsigned long get_error_values(int inc,int top,
	const char *file,int line,
	const char *data,int flags);

	#define err_clear_data(p,i) \
	do { \
	if (((p)->err_data[i] != NULL) && \
	(p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
	{ \
	OPENSSL_free((p)->err_data[i]); \
	(p)->err_data[i]=NULL; \
	} \
	(p)->err_data_flags[i]=0; \
	} while(0)

	#define err_clear(p,i) \
	do { \
	(p)->err_flags[i]=0; \
	(p)->err_buffer[i]=0; \
	err_clear_data(p,i); \
	(p)->err_file[i]=NULL; \
	(p)->err_line[i]= -1; \
	} while(0)

	void ERR_put_error(int lib, int func, int reason, const char *file,
	int line)
	{
	ERR_STATE *es;

	#ifdef _OSD_POSIX
	/* In the BS2000-OSD POSIX subsystem, the compiler generates
	* path names in the form "*POSIX(/etc/passwd)".
	* This dirty hack strips them to something sensible.
	* @@@ We shouldn't modify a const string, though.
	*/
	if (strncmp(file,"POSIX(", sizeof("POSIX(")-1) == 0) {
	char *end;

	/* Skip the "POSIX(" prefix /
	file += sizeof("*POSIX(")-1;
	end = &file[strlen(file)-1];
	if (*end == ')')
	*end = '\0';
	/* Optional: use the basename of the path only. */
	if ((end = strrchr(file, '/')) != NULL)
	file = &end[1];
	}
	#endif
	es=ERR_get_state();

	es->top=(es->top+1)%ERR_NUM_ERRORS;
	if (es->top == es->bottom)
	es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;
	es->err_flags[es->top]=0;
	es->err_buffer[es->top]=ERR_PACK(lib,func,reason);
	es->err_file[es->top]=file;
	es->err_line[es->top]=line;
	err_clear_data(es,es->top);
	}

	void ERR_clear_error(void)
	{
	int i;
	ERR_STATE *es;

	es=ERR_get_state();

	for (i=0; i<ERR_NUM_ERRORS; i++)
	{
	err_clear(es,i);
	}
	es->top=es->bottom=0;
	}


	unsigned long ERR_get_error(void)
	{ return(get_error_values(1,0,NULL,NULL,NULL,NULL)); }

	unsigned long ERR_get_error_line(const char **file,
	int *line)
	{ return(get_error_values(1,0,file,line,NULL,NULL)); }

	unsigned long ERR_get_error_line_data(const char *file, int line,
	const char *data, int flags)
	{ return(get_error_values(1,0,file,line,data,flags)); }


	unsigned long ERR_peek_error(void)
	{ return(get_error_values(0,0,NULL,NULL,NULL,NULL)); }

	unsigned long ERR_peek_error_line(const char *file, int line)
	{ return(get_error_values(0,0,file,line,NULL,NULL)); }

	unsigned long ERR_peek_error_line_data(const char *file, int line,
	const char *data, int flags)
	{ return(get_error_values(0,0,file,line,data,flags)); }


	unsigned long ERR_peek_last_error(void)
	{ return(get_error_values(0,1,NULL,NULL,NULL,NULL)); }

	unsigned long ERR_peek_last_error_line(const char *file, int line)
	{ return(get_error_values(0,1,file,line,NULL,NULL)); }

	unsigned long ERR_peek_last_error_line_data(const char *file, int line,
	const char *data, int flags)
	{ return(get_error_values(0,1,file,line,data,flags)); }


	static unsigned long get_error_values(int inc, int top, const char *file, int line,
	const char *data, int flags)
	{
	int i=0;
	ERR_STATE *es;
	unsigned long ret;

	es=ERR_get_state();

	if (inc && top)
	{
	if (file) *file = "";
	if (line) *line = 0;
	if (data) *data = "";
	if (flags) *flags = 0;

	return ERR_R_INTERNAL_ERROR;
	}

	if (es->bottom == es->top) return 0;
	if (top)
	i=es->top; /* last error */
	else
	i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */

	ret=es->err_buffer[i];
	if (inc)
	{
	es->bottom=i;
	es->err_buffer[i]=0;
	}

	if ((file != NULL) && (line != NULL))
	{
	if (es->err_file[i] == NULL)
	{
	*file="NA";
	if (line != NULL) *line=0;
	}
	else
	{
	*file=es->err_file[i];
	if (line != NULL) *line=es->err_line[i];
	}
	}

	if (data == NULL)
	{
	if (inc)
	{
	err_clear_data(es, i);
	}
	}
	else
	{
	if (es->err_data[i] == NULL)
	{
	*data="";
	if (flags != NULL) *flags=0;
	}
	else
	{
	*data=es->err_data[i];
	if (flags != NULL) *flags=es->err_data_flags[i];
	}
	}
	return ret;
	}

	void ERR_set_error_data(char *data, int flags)
	{
	ERR_STATE *es;
	int i;

	es=ERR_get_state();

	i=es->top;
	if (i == 0)
	i=ERR_NUM_ERRORS-1;

	err_clear_data(es,i);
	es->err_data[i]=data;
	es->err_data_flags[i]=flags;
	}

	void ERR_add_error_data(int num, ...)
	{
	va_list args;
	int i,n,s;
	char str,p,*a;

	s=80;
	str=OPENSSL_malloc(s+1);
	if (str == NULL) return;
	str[0]='\0';

	va_start(args, num);
	n=0;
	for (i=0; i<num; i++)
	{
	a=va_arg(args, char*);
	/* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
	if (a != NULL)
	{
	n+=strlen(a);
	if (n > s)
	{
	s=n+20;
	p=OPENSSL_realloc(str,s+1);
	if (p == NULL)
	{
	OPENSSL_free(str);
	goto err;
	}
	else
	str=p;
	}
	BUF_strlcat(str,a,(size_t)s+1);
	}
	}
	ERR_set_error_data(str,ERR_TXT_MALLOCED\|ERR_TXT_STRING);

	err:
	va_end(args);
	}

	int ERR_set_mark(void)
	{
	ERR_STATE *es;

	es=ERR_get_state();

	if (es->bottom == es->top) return 0;
	es->err_flags[es->top]\|=ERR_FLAG_MARK;
	return 1;
	}

	int ERR_pop_to_mark(void)
	{
	ERR_STATE *es;

	es=ERR_get_state();

	while(es->bottom != es->top
	&& (es->err_flags[es->top] & ERR_FLAG_MARK) == 0)
	{
	err_clear(es,es->top);
	es->top-=1;
	if (es->top == -1) es->top=ERR_NUM_ERRORS-1;
	}

	if (es->bottom == es->top) return 0;
	es->err_flags[es->top]&=~ERR_FLAG_MARK;
	return 1;
	}

	#ifdef OPENSSL_FIPS

	static ERR_STATE *fget_state(void)
	{
	static ERR_STATE fstate;
	return &fstate;
	}

	ERR_STATE (get_state_func)(void) = fget_state;
	void (*remove_state_func)(unsigned long pid);

	ERR_STATE *ERR_get_state(void)
	{
	return get_state_func();
	}

	void int_ERR_set_state_func(ERR_STATE (get_func)(void),
	void (*remove_func)(unsigned long pid))
	{
	get_state_func = get_func;
	remove_state_func = remove_func;
	}

	void ERR_remove_state(unsigned long pid)
	{
	if (remove_state_func)
	remove_state_func(pid);
	}

	#endif