sslerror.h
上传用户:lyxiangda
上传日期:2007-01-12
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文件大小:3k
- /*
- * 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 *
- 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 = 0x80000000;
- for (i = low; i <= high; ++i) {
- num = errStrings[i].errNum;
- if (num <= lastNum) {
- fprintf(stderr,
- "sequence error in error strings at item %dn"
- "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;
- }