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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <stdio.h>
#include <string.h>
#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"
const tuple_str errStrings[] = {
/* keep this list in asceding order of error numbers */
#include "SSLerrs.h"
#include "SECerrs.h"
#include "NSPRerrs.h"
};
const PRInt32 numStrings = sizeof(errStrings) / sizeof(tuple_str);
/* Returns a UTF-8 encoded constant error string for "errNum".
* Returns NULL of errNum is unknown.
*/
const char *
SSL_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 = (PRInt32)0x80000000;
for (i = low; i <= high; ++i) {
num = errStrings[i].errNum;
if (num <= lastNum) {
fprintf(stderr,
"sequence error in error strings at item %d\n"
"error %d (%s)\n"
"should come after \n"
"error %d (%s)\n",
i, lastNum, errStrings[i-1].errString,
num, errStrings[i].errString);
}
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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