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/** BEGIN COPYRIGHT BLOCK
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; version 2 of the License.
*
* This Program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/*
* errormap.c - map NSPR and OS errors to strings
*
*/
#include "slap.h"
#ifndef SYSERRLIST_IN_STDIO
extern int sys_nerr;
extern char *sys_errlist[];
#endif
/*
* function protoypes
*/
static const char *SECU_Strerror(PRErrorCode errNum);
/*
* return the string equivalent of an NSPR error
*/
char *
slapd_pr_strerror( const int prerrno )
{
char *s;
if (( s = (char *)SECU_Strerror( (PRErrorCode)prerrno )) == NULL ) {
s = "unknown";
}
return( s );
}
/*
* return the string equivalent of a system error
*/
const char *
slapd_system_strerror( const int syserrno )
{
const char *s;
/* replaced
if ( syserrno > -1 && syserrno < sys_nerr ) {
s = sys_errlist[ syserrno ];
} else {
s = "unknown";
}
with s= strerror(syserrno)*/
s=strerror(syserrno);
return( s );
}
/*
* return the string equivalent of an NSPR error. If "prerrno" is not
* an NSPR error, assume it is a system error. Please use slapd_pr_strerror()
* or slapd_system_strerror() if you can since the concept behind this
* function is a bit of a kludge -- one should *really* know what kind of
* error code they have.
*/
const char *
slapd_versatile_strerror( const PRErrorCode prerrno )
{
const char *s;
if (( s = (const char *)SECU_Strerror( prerrno )) == NULL ) {
s = slapd_system_strerror( prerrno );
}
return( s );
}
/*
****************************************************************************
* The code below this point was provided by Nelson Bolyard <nelsonb> of the
* Netscape Certificate Server team on 27-March-1998.
* Taken from the file ns/security/cmd/lib/secerror.c on NSS_1_BRANCH.
* Last updated from there: 24-July-1998 by Mark Smith <mcs>
****************************************************************************
*/
#include "nspr.h"
struct tuple_str {
PRErrorCode errNum;
const char * errString;
};
typedef struct tuple_str tuple_str;
#define ER2(a,b) {a, b},
#define ER3(a,b,c) {a, c},
#include "secerr.h"
#include "sslerr.h"
static const tuple_str errStrings[] = {
/* keep this list in ascending order of error numbers */
#include "dberrstrs.h"
#include "sslerrstrs.h"
#include "secerrstrs.h"
#include "prerrstrs.h"
#include "disconnect_error_strings.h"
};
static const PRInt32 numStrings = sizeof(errStrings) / sizeof(tuple_str);
/* Returns a UTF-8 encoded constant error string for "errNum".
* Returns NULL of errNum is unknown.
*/
static const char *
SECU_Strerror(PRErrorCode errNum) {
PRInt32 low = 0;
PRInt32 high = numStrings - 1;
PRInt32 i;
PRErrorCode num;
static int initDone;
/* make sure table is in ascending order.
* binary search depends on it.
*/
if (!initDone) {
PRErrorCode lastNum = errStrings[low].errNum;
for (i = low + 1; i <= high; ++i) {
num = errStrings[i].errNum;
if (num <= lastNum) {
LDAPDebug( LDAP_DEBUG_ANY,
"sequence error in error strings at item %d\n"
"error %d (%s)\n",
i, lastNum, errStrings[i-1].errString );
LDAPDebug( LDAP_DEBUG_ANY,
"should come after \n"
"error %d (%s)\n",
num, errStrings[i].errString, 0 );
}
lastNum = num;
}
initDone = 1;
}
/* Do binary search of table. */
while (low + 1 < high) {
i = (low + high) / 2;
num = errStrings[i].errNum;
if (errNum == num)
return errStrings[i].errString;
if (errNum < num)
high = i;
else
low = i;
}
if (errNum == errStrings[low].errNum)
return errStrings[low].errString;
if (errNum == errStrings[high].errNum)
return errStrings[high].errString;
return NULL;
}
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