/* 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).

 *

 */

 /*

 © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

 */

#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>

#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))

#include "libcrypto_wsd_macros.h"

#include "libcrypto_wsd.h"

#endif

static void err_load_strings(int lib, ERR_STRING_DATA *str);

static void ERR_STATE_free(ERR_STATE *s);

#ifndef OPENSSL_NO_ERR

#ifndef EMULATOR

static ERR_STRING_DATA ERR_str_libraries[]=

	{

{ERR_PACK(ERR_LIB_NONE,0,0)		,"unknown library"},

{ERR_PACK(ERR_LIB_SYS,0,0)		,"system library"},

{ERR_PACK(ERR_LIB_BN,0,0)		,"bignum routines"},

{ERR_PACK(ERR_LIB_RSA,0,0)		,"rsa routines"},

{ERR_PACK(ERR_LIB_DH,0,0)		,"Diffie-Hellman routines"},

{ERR_PACK(ERR_LIB_EVP,0,0)		,"digital envelope routines"},

{ERR_PACK(ERR_LIB_BUF,0,0)		,"memory buffer routines"},

{ERR_PACK(ERR_LIB_OBJ,0,0)		,"object identifier routines"},

{ERR_PACK(ERR_LIB_PEM,0,0)		,"PEM routines"},

{ERR_PACK(ERR_LIB_DSA,0,0)		,"dsa routines"},

{ERR_PACK(ERR_LIB_X509,0,0)		,"x509 certificate routines"},

{ERR_PACK(ERR_LIB_ASN1,0,0)		,"asn1 encoding routines"},

{ERR_PACK(ERR_LIB_CONF,0,0)		,"configuration file routines"},

{ERR_PACK(ERR_LIB_CRYPTO,0,0)		,"common libcrypto routines"},

{ERR_PACK(ERR_LIB_EC,0,0)		,"elliptic curve routines"},

{ERR_PACK(ERR_LIB_SSL,0,0)		,"SSL routines"},

{ERR_PACK(ERR_LIB_BIO,0,0)		,"BIO routines"},

{ERR_PACK(ERR_LIB_PKCS7,0,0)		,"PKCS7 routines"},

{ERR_PACK(ERR_LIB_X509V3,0,0)		,"X509 V3 routines"},

{ERR_PACK(ERR_LIB_PKCS12,0,0)		,"PKCS12 routines"},

{ERR_PACK(ERR_LIB_RAND,0,0)		,"random number generator"},

{ERR_PACK(ERR_LIB_DSO,0,0)		,"DSO support routines"},

{ERR_PACK(ERR_LIB_ENGINE,0,0)		,"engine routines"},

{ERR_PACK(ERR_LIB_OCSP,0,0)		,"OCSP routines"},

{0,NULL},

	};

static ERR_STRING_DATA ERR_str_functs[]=

	{

	{ERR_PACK(0,SYS_F_FOPEN,0),     	"fopen"},

	{ERR_PACK(0,SYS_F_CONNECT,0),		"connect"},

	{ERR_PACK(0,SYS_F_GETSERVBYNAME,0),	"getservbyname"},

	{ERR_PACK(0,SYS_F_SOCKET,0),		"socket"}, 

	{ERR_PACK(0,SYS_F_IOCTLSOCKET,0),	"ioctlsocket"},

	{ERR_PACK(0,SYS_F_BIND,0),		"bind"},

	{ERR_PACK(0,SYS_F_LISTEN,0),		"listen"},

	{ERR_PACK(0,SYS_F_ACCEPT,0),		"accept"},

#ifdef OPENSSL_SYS_WINDOWS

	{ERR_PACK(0,SYS_F_WSASTARTUP,0),	"WSAstartup"},

#endif

	{ERR_PACK(0,SYS_F_OPENDIR,0),		"opendir"},

	{ERR_PACK(0,SYS_F_FREAD,0),		"fread"},

	{0,NULL},

	};

static ERR_STRING_DATA ERR_str_reasons[]=

	{

{ERR_R_SYS_LIB				,"system lib"},

{ERR_R_BN_LIB				,"BN lib"},

{ERR_R_RSA_LIB				,"RSA lib"},

{ERR_R_DH_LIB				,"DH lib"},

{ERR_R_EVP_LIB				,"EVP lib"},

{ERR_R_BUF_LIB				,"BUF lib"},

{ERR_R_OBJ_LIB				,"OBJ lib"},

{ERR_R_PEM_LIB				,"PEM lib"},

{ERR_R_DSA_LIB				,"DSA lib"},

{ERR_R_X509_LIB				,"X509 lib"},

{ERR_R_ASN1_LIB				,"ASN1 lib"},

{ERR_R_CONF_LIB				,"CONF lib"},

{ERR_R_CRYPTO_LIB			,"CRYPTO lib"},

{ERR_R_EC_LIB				,"EC lib"},

{ERR_R_SSL_LIB				,"SSL lib"},

{ERR_R_BIO_LIB				,"BIO lib"},

{ERR_R_PKCS7_LIB			,"PKCS7 lib"},

{ERR_R_X509V3_LIB			,"X509V3 lib"},

{ERR_R_PKCS12_LIB			,"PKCS12 lib"},

{ERR_R_RAND_LIB				,"RAND lib"},

{ERR_R_DSO_LIB				,"DSO lib"},

{ERR_R_ENGINE_LIB			,"ENGINE lib"},

{ERR_R_OCSP_LIB				,"OCSP lib"},

{ERR_R_NESTED_ASN1_ERROR		,"nested asn1 error"},

{ERR_R_BAD_ASN1_OBJECT_HEADER		,"bad asn1 object header"},

{ERR_R_BAD_GET_ASN1_OBJECT_CALL		,"bad get asn1 object call"},

{ERR_R_EXPECTING_AN_ASN1_SEQUENCE	,"expecting an asn1 sequence"},

{ERR_R_ASN1_LENGTH_MISMATCH		,"asn1 length mismatch"},

{ERR_R_MISSING_ASN1_EOS			,"missing asn1 eos"},

{ERR_R_FATAL                            ,"fatal"},

{ERR_R_MALLOC_FAILURE			,"malloc failure"},

{ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED	,"called a function you should not call"},

{ERR_R_PASSED_NULL_PARAMETER		,"passed a null parameter"},

{ERR_R_INTERNAL_ERROR			,"internal error"},

{ERR_R_DISABLED				,"called a function that was disabled at compile-time"},

{0,NULL},

	};

#else //EMULATOR

const ERR_STRING_DATA temp_ERR_str_libraries[]=

	{

{ERR_PACK(ERR_LIB_NONE,0,0)		,"unknown library"},

{ERR_PACK(ERR_LIB_SYS,0,0)		,"system library"},

{ERR_PACK(ERR_LIB_BN,0,0)		,"bignum routines"},

{ERR_PACK(ERR_LIB_RSA,0,0)		,"rsa routines"},

{ERR_PACK(ERR_LIB_DH,0,0)		,"Diffie-Hellman routines"},

{ERR_PACK(ERR_LIB_EVP,0,0)		,"digital envelope routines"},

{ERR_PACK(ERR_LIB_BUF,0,0)		,"memory buffer routines"},

{ERR_PACK(ERR_LIB_OBJ,0,0)		,"object identifier routines"},

{ERR_PACK(ERR_LIB_PEM,0,0)		,"PEM routines"},

{ERR_PACK(ERR_LIB_DSA,0,0)		,"dsa routines"},

{ERR_PACK(ERR_LIB_X509,0,0)		,"x509 certificate routines"},

{ERR_PACK(ERR_LIB_ASN1,0,0)		,"asn1 encoding routines"},

{ERR_PACK(ERR_LIB_CONF,0,0)		,"configuration file routines"},

{ERR_PACK(ERR_LIB_CRYPTO,0,0)		,"common libcrypto routines"},

{ERR_PACK(ERR_LIB_EC,0,0)		,"elliptic curve routines"},

{ERR_PACK(ERR_LIB_SSL,0,0)		,"SSL routines"},

{ERR_PACK(ERR_LIB_BIO,0,0)		,"BIO routines"},

{ERR_PACK(ERR_LIB_PKCS7,0,0)		,"PKCS7 routines"},

{ERR_PACK(ERR_LIB_X509V3,0,0)		,"X509 V3 routines"},

{ERR_PACK(ERR_LIB_PKCS12,0,0)		,"PKCS12 routines"},

{ERR_PACK(ERR_LIB_RAND,0,0)		,"random number generator"},

{ERR_PACK(ERR_LIB_DSO,0,0)		,"DSO support routines"},

{ERR_PACK(ERR_LIB_ENGINE,0,0)		,"engine routines"},

{ERR_PACK(ERR_LIB_OCSP,0,0)		,"OCSP routines"},

{0,NULL},

	};

const ERR_STRING_DATA temp_ERR_str_functs[]=

	{

	{ERR_PACK(0,SYS_F_FOPEN,0),     	"fopen"},

	{ERR_PACK(0,SYS_F_CONNECT,0),		"connect"},

	{ERR_PACK(0,SYS_F_GETSERVBYNAME,0),	"getservbyname"},

	{ERR_PACK(0,SYS_F_SOCKET,0),		"socket"}, 

	{ERR_PACK(0,SYS_F_IOCTLSOCKET,0),	"ioctlsocket"},

	{ERR_PACK(0,SYS_F_BIND,0),		"bind"},

	{ERR_PACK(0,SYS_F_LISTEN,0),		"listen"},

	{ERR_PACK(0,SYS_F_ACCEPT,0),		"accept"},

#ifdef OPENSSL_SYS_WINDOWS

	{ERR_PACK(0,SYS_F_WSASTARTUP,0),	"WSAstartup"},

#endif

	{ERR_PACK(0,SYS_F_OPENDIR,0),		"opendir"},

	{ERR_PACK(0,SYS_F_FREAD,0),		"fread"},

	{0,NULL},

	};

const ERR_STRING_DATA temp_ERR_str_reasons[]=

	{

{ERR_R_SYS_LIB				,"system lib"},

{ERR_R_BN_LIB				,"BN lib"},

{ERR_R_RSA_LIB				,"RSA lib"},

{ERR_R_DH_LIB				,"DH lib"},

{ERR_R_EVP_LIB				,"EVP lib"},

{ERR_R_BUF_LIB				,"BUF lib"},

{ERR_R_OBJ_LIB				,"OBJ lib"},

{ERR_R_PEM_LIB				,"PEM lib"},

{ERR_R_DSA_LIB				,"DSA lib"},

{ERR_R_X509_LIB				,"X509 lib"},

{ERR_R_ASN1_LIB				,"ASN1 lib"},

{ERR_R_CONF_LIB				,"CONF lib"},

{ERR_R_CRYPTO_LIB			,"CRYPTO lib"},

{ERR_R_EC_LIB				,"EC lib"},

{ERR_R_SSL_LIB				,"SSL lib"},

{ERR_R_BIO_LIB				,"BIO lib"},

{ERR_R_PKCS7_LIB			,"PKCS7 lib"},

{ERR_R_X509V3_LIB			,"X509V3 lib"},

{ERR_R_PKCS12_LIB			,"PKCS12 lib"},

{ERR_R_RAND_LIB				,"RAND lib"},

{ERR_R_DSO_LIB				,"DSO lib"},

{ERR_R_ENGINE_LIB			,"ENGINE lib"},

{ERR_R_OCSP_LIB				,"OCSP lib"},

{ERR_R_NESTED_ASN1_ERROR		,"nested asn1 error"},

{ERR_R_BAD_ASN1_OBJECT_HEADER		,"bad asn1 object header"},

{ERR_R_BAD_GET_ASN1_OBJECT_CALL		,"bad get asn1 object call"},

{ERR_R_EXPECTING_AN_ASN1_SEQUENCE	,"expecting an asn1 sequence"},

{ERR_R_ASN1_LENGTH_MISMATCH		,"asn1 length mismatch"},

{ERR_R_MISSING_ASN1_EOS			,"missing asn1 eos"},

{ERR_R_FATAL                            ,"fatal"},

{ERR_R_MALLOC_FAILURE			,"malloc failure"},

{ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED	,"called a function you should not call"},

{ERR_R_PASSED_NULL_PARAMETER		,"passed a null parameter"},

{ERR_R_INTERNAL_ERROR			,"internal error"},

{ERR_R_DISABLED				,"called a function that was disabled at compile-time"},

{0,NULL},

	};

 GET_STATIC_ARRAY_FROM_TLS(ERR_str_functs,err_err,ERR_STRING_DATA)

 GET_STATIC_ARRAY_FROM_TLS(ERR_str_reasons,err_err,ERR_STRING_DATA)

 GET_STATIC_ARRAY_FROM_TLS(ERR_str_libraries,err_err,ERR_STRING_DATA)

 #define ERR_str_functs (GET_WSD_VAR_NAME(ERR_str_functs,err_err, s)())

 #define ERR_str_reasons (GET_WSD_VAR_NAME(ERR_str_reasons,err_err, s)())

 #define ERR_str_libraries (GET_WSD_VAR_NAME(ERR_str_libraries,err_err, s)())

#endif //EMULATOR

#endif

#ifndef EMULATOR

/* Define the predeclared (but externally opaque) "ERR_FNS" type */

struct st_ERR_FNS

	{

	/* Works on the "error_hash" string table */

	LHASH *(*cb_err_get)(int create);

	void (*cb_err_del)(void);

	ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *);

	ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *);

	ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *);

	/* Works on the "thread_hash" error-state table */

	LHASH *(*cb_thread_get)(int create);

	void (*cb_thread_release)(LHASH **hash);

	ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *);

	ERR_STATE *(*cb_thread_set_item)(ERR_STATE *);

	void (*cb_thread_del_item)(const ERR_STATE *);

	/* Returns the next available error "library" numbers */

	int (*cb_get_next_lib)(void);

	};

#endif

/* Predeclarations of the "err_defaults" functions */

static LHASH *int_err_get(int create);

static void int_err_del(void);

static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *);

static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *);

static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *);

static LHASH *int_thread_get(int create);

static void int_thread_release(LHASH **hash);

static ERR_STATE *int_thread_get_item(const ERR_STATE *);

static ERR_STATE *int_thread_set_item(ERR_STATE *);

static void int_thread_del_item(const ERR_STATE *);

static int int_err_get_next_lib(void);

/* The static ERR_FNS table using these defaults functions */

static const ERR_FNS err_defaults =

	{

	int_err_get,

	int_err_del,

	int_err_get_item,

	int_err_set_item,

	int_err_del_item,

	int_thread_get,

	int_thread_release,

	int_thread_get_item,

	int_thread_set_item,

	int_thread_del_item,

	int_err_get_next_lib

	};

#ifndef EMULATOR

/* The replacable table of ERR_FNS functions we use at run-time */

static const ERR_FNS *err_fns = NULL;

#else

GET_STATIC_VAR_FROM_TLS(err_fns,err,const ERR_FNS *)

#define err_fns (*GET_WSD_VAR_NAME(err_fns,err, s)())

#endif

/* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */

#define ERRFN(a) err_fns->cb_##a

#ifndef EMULATOR

/* The internal state used by "err_defaults" - as such, the setting, reading,

 * creating, and deleting of this data should only be permitted via the

 * "err_defaults" functions. This way, a linked module can completely defer all

 * ERR state operation (together with requisite locking) to the implementations

 * and state in the loading application. */

static LHASH *int_error_hash = NULL;

static LHASH *int_thread_hash = NULL;

static int int_thread_hash_references = 0;

static int int_err_library_number= ERR_LIB_USER;

#else

GET_STATIC_VAR_FROM_TLS(int_error_hash,err,LHASH *)

#define int_error_hash (*GET_WSD_VAR_NAME(int_error_hash,err,s)())

GET_STATIC_VAR_FROM_TLS(int_thread_hash,err,LHASH *)

#define int_thread_hash (*GET_WSD_VAR_NAME(int_thread_hash,err,s)())

GET_STATIC_VAR_FROM_TLS(int_thread_hash_references,err,int)

#define int_thread_hash_references (*GET_WSD_VAR_NAME(int_thread_hash_references,err,s)())

GET_STATIC_VAR_FROM_TLS(int_err_library_number,err,int)

#define int_err_library_number (*GET_WSD_VAR_NAME(int_err_library_number,err,s)())

#endif

/* Internal function that checks whether "err_fns" is set and if not, sets it to

 * the defaults. */

static void err_fns_check(void)

	{

	if (err_fns) return;

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	if (!err_fns)

		err_fns = &err_defaults;

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	}

/* API functions to get or set the underlying ERR functions. */

EXPORT_C const ERR_FNS *ERR_get_implementation(void)

	{

	err_fns_check();

	return err_fns;

	}

EXPORT_C int ERR_set_implementation(const ERR_FNS *fns)

	{

	int ret = 0;

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	/* It's too late if 'err_fns' is non-NULL. BTW: not much point setting

	 * an error is there?! */

	if (!err_fns)

		{

		err_fns = fns;

		ret = 1;

		}

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	return ret;

	}

/* These are the callbacks provided to "lh_new()" when creating the LHASH tables

 * internal to the "err_defaults" implementation. */

/* static unsigned long err_hash(ERR_STRING_DATA *a); */

static unsigned long err_hash(const void *a_void);

/* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */

static int err_cmp(const void *a_void, const void *b_void);

/* static unsigned long pid_hash(ERR_STATE *pid); */

static unsigned long pid_hash(const void *pid_void);

/* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */

static int pid_cmp(const void *a_void,const void *pid_void);

static unsigned long get_error_values(int inc,int top,const char **file,int *line,

				      const char **data,int *flags);

/* The internal functions used in the "err_defaults" implementation */

static LHASH *int_err_get(int create)

	{

	LHASH *ret = NULL;

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	if (!int_error_hash && create)

		{

		CRYPTO_push_info("int_err_get (err.c)");

		int_error_hash = lh_new(err_hash, err_cmp);

		CRYPTO_pop_info();

		}

	if (int_error_hash)

		ret = int_error_hash;

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	return ret;

	}

static void int_err_del(void)

	{

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	if (int_error_hash)

		{

		lh_free(int_error_hash);

		int_error_hash = NULL;

		}

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	}

static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)

	{

	ERR_STRING_DATA *p;

	LHASH *hash;

	err_fns_check();

	hash = ERRFN(err_get)(0);

	if (!hash)

		return NULL;

	CRYPTO_r_lock(CRYPTO_LOCK_ERR);

	p = (ERR_STRING_DATA *)lh_retrieve(hash, d);

	CRYPTO_r_unlock(CRYPTO_LOCK_ERR);

	return p;

	}

static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d)

	{

	ERR_STRING_DATA *p;

	LHASH *hash;

	err_fns_check();

	hash = ERRFN(err_get)(1);

	if (!hash)

		return NULL;

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	p = (ERR_STRING_DATA *)lh_insert(hash, d);

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	return p;

	}

static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d)

	{

	ERR_STRING_DATA *p;

	LHASH *hash;

	err_fns_check();

	hash = ERRFN(err_get)(0);

	if (!hash)

		return NULL;

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	p = (ERR_STRING_DATA *)lh_delete(hash, d);

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	return p;

	}

static LHASH *int_thread_get(int create)

	{

	LHASH *ret = NULL;

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	if (!int_thread_hash && create)

		{

		CRYPTO_push_info("int_thread_get (err.c)");

		int_thread_hash = lh_new(pid_hash, pid_cmp);

		CRYPTO_pop_info();

		}

	if (int_thread_hash)

		{

		int_thread_hash_references++;

		ret = int_thread_hash;

		}

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	return ret;

	}

static void int_thread_release(LHASH **hash)

	{

	int i;

	if (hash == NULL || *hash == NULL)

		return;

	i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR);

#ifdef REF_PRINT

	fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR");

#endif

	if (i > 0) return;

#ifdef REF_CHECK

	if (i < 0)

		{

		fprintf(stderr,"int_thread_release, bad reference count\n");

		abort(); /* ok */

		}

#endif

	*hash = NULL;

	}

static ERR_STATE *int_thread_get_item(const ERR_STATE *d)

	{

	ERR_STATE *p;

	LHASH *hash;

	err_fns_check();

	hash = ERRFN(thread_get)(0);

	if (!hash)

		return NULL;

	CRYPTO_r_lock(CRYPTO_LOCK_ERR);

	p = (ERR_STATE *)lh_retrieve(hash, d);

	CRYPTO_r_unlock(CRYPTO_LOCK_ERR);

	ERRFN(thread_release)(&hash);

	return p;

	}

static ERR_STATE *int_thread_set_item(ERR_STATE *d)

	{

	ERR_STATE *p;

	LHASH *hash;

	err_fns_check();

	hash = ERRFN(thread_get)(1);

	if (!hash)

		return NULL;

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	p = (ERR_STATE *)lh_insert(hash, d);

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	ERRFN(thread_release)(&hash);

	return p;

	}

static void int_thread_del_item(const ERR_STATE *d)

	{

	ERR_STATE *p;

	LHASH *hash;

	err_fns_check();

	hash = ERRFN(thread_get)(0);

	if (!hash)

		return;

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	p = (ERR_STATE *)lh_delete(hash, d);

	/* make sure we don't leak memory */

	if (int_thread_hash_references == 1

		&& int_thread_hash && (lh_num_items(int_thread_hash) == 0))

		{

		lh_free(int_thread_hash);

		int_thread_hash = NULL;

		}

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	ERRFN(thread_release)(&hash);

	if (p)

		ERR_STATE_free(p);

	}

static int int_err_get_next_lib(void)

	{

	int ret;

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	ret = int_err_library_number++;

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	return ret;

	}

#ifndef OPENSSL_NO_ERR

#define NUM_SYS_STR_REASONS 127

#define LEN_SYS_STR_REASON 32

#ifndef EMULATOR

static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1];

#endif

/* SYS_str_reasons is filled with copies of strerror() results at

 * initialization.

 * 'errno' values up to 127 should cover all usual errors,

 * others will be displayed numerically by ERR_error_string.

 * It is crucial that we have something for each reason code

 * that occurs in ERR_str_reasons, or bogus reason strings

 * will be returned for SYSerr(), which always gets an errno

 * value and never one of those 'standard' reason codes. */

#ifdef EMULATOR

  GET_STATIC_VAR_FROM_TLS(init,err,int)

  #define init (*GET_WSD_VAR_NAME(init,err, s)())

  GET_STATIC_ARRAY_FROM_TLS(SYS_str_reasons,err,ERR_STRING_DATA)

  #define SYS_str_reasons (GET_WSD_VAR_NAME(SYS_str_reasons,err, s)())

  //GET_STATIC_ARRAY_FROM_TLS(&strerror_tab,err,char)

  #define strerror_tab libcrypto_ImpurePtr()->strerror_tab

#endif 

static void build_SYS_str_reasons(void)

	{

	/* OPENSSL_malloc cannot be used here, use static storage instead */

#ifndef EMULATOR		

	static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON];

#endif	

	int i;

#ifndef EMULATOR	

	static int init = 1;

#endif	

	CRYPTO_r_lock(CRYPTO_LOCK_ERR);

	if (!init)

		{

		CRYPTO_r_unlock(CRYPTO_LOCK_ERR);

		return;

		}

	CRYPTO_r_unlock(CRYPTO_LOCK_ERR);

	CRYPTO_w_lock(CRYPTO_LOCK_ERR);

	if (!init)

		{

		CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

		return;

		}

	for (i = 1; i <= NUM_SYS_STR_REASONS; i++)

		{

		ERR_STRING_DATA *str = &SYS_str_reasons[i - 1];

		str->error = (unsigned long)i;

		if (str->string == NULL)

			{

			char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]);

			char *src = strerror(i);

			if (src != NULL)

				{

				strncpy(*dest, src, sizeof *dest);

				(*dest)[sizeof *dest - 1] = '\0';

				str->string = *dest;

				}

			}

		if (str->string == NULL)

			str->string = "unknown";

		}

	/* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL},

	 * as required by ERR_load_strings. */

	init = 0;

	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);

	}

#endif

#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)

static void ERR_STATE_free(ERR_STATE *s)

	{

	int i;

	if (s == NULL)

	    return;

	for (i=0; i<ERR_NUM_ERRORS; i++)

		{

		err_clear_data(s,i);

		}

	OPENSSL_free(s);

	}

EXPORT_C void ERR_load_ERR_strings(void)

	{

	err_fns_check();

#ifndef OPENSSL_NO_ERR

	err_load_strings(0,ERR_str_libraries);

	err_load_strings(0,ERR_str_reasons);

	err_load_strings(ERR_LIB_SYS,ERR_str_functs);

	build_SYS_str_reasons();

	err_load_strings(ERR_LIB_SYS,SYS_str_reasons);

#endif

	}

static void err_load_strings(int lib, ERR_STRING_DATA *str)

	{

	while (str->error)

		{

		if (lib)

			str->error|=ERR_PACK(lib,0,0);

		ERRFN(err_set_item)(str);

		str++;

		}

	}

EXPORT_C void ERR_load_strings(int lib, ERR_STRING_DATA *str)

	{

	ERR_load_ERR_strings();

	err_load_strings(lib, str);

	}

EXPORT_C void ERR_unload_strings(int lib, ERR_STRING_DATA *str)

	{

	while (str->error)

		{

		if (lib)

			str->error|=ERR_PACK(lib,0,0);

		ERRFN(err_del_item)(str);

		str++;

		}

	}

EXPORT_C void ERR_free_strings(void)

	{

	err_fns_check();

	ERRFN(err_del)();

	}

/********************************************************/

EXPORT_C 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);

	}

EXPORT_C 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;

	}

EXPORT_C unsigned long ERR_get_error(void)

	{ return(get_error_values(1,0,NULL,NULL,NULL,NULL)); }

EXPORT_C unsigned long ERR_get_error_line(const char **file,

	     int *line)

	{ return(get_error_values(1,0,file,line,NULL,NULL)); }

EXPORT_C 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)); }

EXPORT_C unsigned long ERR_peek_error(void)

	{ return(get_error_values(0,0,NULL,NULL,NULL,NULL)); }

EXPORT_C unsigned long ERR_peek_error_line(const char **file, int *line)

	{ return(get_error_values(0,0,file,line,NULL,NULL)); }

EXPORT_C 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)); }

EXPORT_C unsigned long ERR_peek_last_error(void)

	{ return(get_error_values(0,1,NULL,NULL,NULL,NULL)); }

EXPORT_C unsigned long ERR_peek_last_error_line(const char **file, int *line)

	{ return(get_error_values(0,1,file,line,NULL,NULL)); }

EXPORT_C 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;

	}

EXPORT_C void ERR_error_string_n(unsigned long e, char *buf, size_t len)

	{

	char lsbuf[64], fsbuf[64], rsbuf[64];

	const char *ls,*fs,*rs;

	unsigned long l,f,r;

	l=ERR_GET_LIB(e);

	f=ERR_GET_FUNC(e);

	r=ERR_GET_REASON(e);

	ls=ERR_lib_error_string(e);

	fs=ERR_func_error_string(e);

	rs=ERR_reason_error_string(e);

	if (ls == NULL) 

		BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l);

	if (fs == NULL)

		BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f);

	if (rs == NULL)

		BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r);

	BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, 

		fs?fs:fsbuf, rs?rs:rsbuf);