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/*
* 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 Netscape are
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#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 *
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 = ((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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