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Diffstat (limited to 'security/nss/lib/util/secitem.c')
-rw-r--r--security/nss/lib/util/secitem.c313
1 files changed, 0 insertions, 313 deletions
diff --git a/security/nss/lib/util/secitem.c b/security/nss/lib/util/secitem.c
deleted file mode 100644
index 71009143c..000000000
--- a/security/nss/lib/util/secitem.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/* ***** 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 ***** */
-
-/*
- * Support routines for SECItem data structure.
- *
- * $Id$
- */
-
-#include "seccomon.h"
-#include "secitem.h"
-#include "base64.h"
-#include "secerr.h"
-
-SECItem *
-SECITEM_AllocItem(PRArenaPool *arena, SECItem *item, unsigned int len)
-{
- SECItem *result = NULL;
- void *mark = NULL;
-
- if (arena != NULL) {
- mark = PORT_ArenaMark(arena);
- }
-
- if (item == NULL) {
- if (arena != NULL) {
- result = PORT_ArenaZAlloc(arena, sizeof(SECItem));
- } else {
- result = PORT_ZAlloc(sizeof(SECItem));
- }
- if (result == NULL) {
- goto loser;
- }
- } else {
- PORT_Assert(item->data == NULL);
- result = item;
- }
-
- result->len = len;
- if (len) {
- if (arena != NULL) {
- result->data = PORT_ArenaAlloc(arena, len);
- } else {
- result->data = PORT_Alloc(len);
- }
- }
-
- if (mark) {
- PORT_ArenaUnmark(arena, mark);
- }
- return(result);
-
-loser:
- if ( arena != NULL ) {
- if (mark) {
- PORT_ArenaRelease(arena, mark);
- }
- if (item != NULL) {
- item->data = NULL;
- item->len = 0;
- }
- } else {
- if (result != NULL) {
- SECITEM_FreeItem(result, (item == NULL) ? PR_TRUE : PR_FALSE);
- }
- }
- return(NULL);
-}
-
-SECStatus
-SECITEM_ReallocItem(PRArenaPool *arena, SECItem *item, unsigned int oldlen,
- unsigned int newlen)
-{
- PORT_Assert(item != NULL);
- if (item == NULL) {
- /* XXX Set error. But to what? */
- return SECFailure;
- }
-
- /*
- * If no old length, degenerate to just plain alloc.
- */
- if (oldlen == 0) {
- PORT_Assert(item->data == NULL || item->len == 0);
- if (newlen == 0) {
- /* Nothing to do. Weird, but not a failure. */
- return SECSuccess;
- }
- item->len = newlen;
- if (arena != NULL) {
- item->data = PORT_ArenaAlloc(arena, newlen);
- } else {
- item->data = PORT_Alloc(newlen);
- }
- } else {
- if (arena != NULL) {
- item->data = PORT_ArenaGrow(arena, item->data, oldlen, newlen);
- } else {
- item->data = PORT_Realloc(item->data, newlen);
- }
- }
-
- if (item->data == NULL) {
- return SECFailure;
- }
-
- return SECSuccess;
-}
-
-SECComparison
-SECITEM_CompareItem(const SECItem *a, const SECItem *b)
-{
- unsigned m;
- SECComparison rv;
-
- if (!a || !a->len || !a->data)
- return (!b || !b->len || !b->data) ? SECEqual : SECLessThan;
- if (!b || !b->len || !b->data)
- return SECGreaterThan;
-
- m = ( ( a->len < b->len ) ? a->len : b->len );
-
- rv = (SECComparison) PORT_Memcmp(a->data, b->data, m);
- if (rv) {
- return rv;
- }
- if (a->len < b->len) {
- return SECLessThan;
- }
- if (a->len == b->len) {
- return SECEqual;
- }
- return SECGreaterThan;
-}
-
-PRBool
-SECITEM_ItemsAreEqual(const SECItem *a, const SECItem *b)
-{
- if (a->len != b->len)
- return PR_FALSE;
- if (!a->len)
- return PR_TRUE;
- if (!a->data || !b->data) {
- /* avoid null pointer crash. */
- return (PRBool)(a->data == b->data);
- }
- return (PRBool)!PORT_Memcmp(a->data, b->data, a->len);
-}
-
-SECItem *
-SECITEM_DupItem(const SECItem *from)
-{
- return SECITEM_ArenaDupItem(NULL, from);
-}
-
-SECItem *
-SECITEM_ArenaDupItem(PRArenaPool *arena, const SECItem *from)
-{
- SECItem *to;
-
- if ( from == NULL ) {
- return(NULL);
- }
-
- if ( arena != NULL ) {
- to = (SECItem *)PORT_ArenaAlloc(arena, sizeof(SECItem));
- } else {
- to = (SECItem *)PORT_Alloc(sizeof(SECItem));
- }
- if ( to == NULL ) {
- return(NULL);
- }
-
- if ( arena != NULL ) {
- to->data = (unsigned char *)PORT_ArenaAlloc(arena, from->len);
- } else {
- to->data = (unsigned char *)PORT_Alloc(from->len);
- }
- if ( to->data == NULL ) {
- PORT_Free(to);
- return(NULL);
- }
-
- to->len = from->len;
- to->type = from->type;
- if ( to->len ) {
- PORT_Memcpy(to->data, from->data, to->len);
- }
-
- return(to);
-}
-
-SECStatus
-SECITEM_CopyItem(PRArenaPool *arena, SECItem *to, const SECItem *from)
-{
- to->type = from->type;
- if (from->data && from->len) {
- if ( arena ) {
- to->data = (unsigned char*) PORT_ArenaAlloc(arena, from->len);
- } else {
- to->data = (unsigned char*) PORT_Alloc(from->len);
- }
-
- if (!to->data) {
- return SECFailure;
- }
- PORT_Memcpy(to->data, from->data, from->len);
- to->len = from->len;
- } else {
- to->data = 0;
- to->len = 0;
- }
- return SECSuccess;
-}
-
-void
-SECITEM_FreeItem(SECItem *zap, PRBool freeit)
-{
- if (zap) {
- PORT_Free(zap->data);
- zap->data = 0;
- zap->len = 0;
- if (freeit) {
- PORT_Free(zap);
- }
- }
-}
-
-void
-SECITEM_ZfreeItem(SECItem *zap, PRBool freeit)
-{
- if (zap) {
- PORT_ZFree(zap->data, zap->len);
- zap->data = 0;
- zap->len = 0;
- if (freeit) {
- PORT_ZFree(zap, sizeof(SECItem));
- }
- }
-}
-/* these reroutines were taken from pkix oid.c, which is supposed to
- * replace this file some day */
-/*
- * This is the hash function. We simply XOR the encoded form with
- * itself in sizeof(PLHashNumber)-byte chunks. Improving this
- * routine is left as an excercise for the more mathematically
- * inclined student.
- */
-PLHashNumber PR_CALLBACK
-SECITEM_Hash ( const void *key)
-{
- const SECItem *item = (const SECItem *)key;
- PLHashNumber rv = 0;
-
- PRUint8 *data = (PRUint8 *)item->data;
- PRUint32 i;
- PRUint8 *rvc = (PRUint8 *)&rv;
-
- for( i = 0; i < item->len; i++ ) {
- rvc[ i % sizeof(rv) ] ^= *data;
- data++;
- }
-
- return rv;
-}
-
-/*
- * This is the key-compare function. It simply does a lexical
- * comparison on the item data. This does not result in
- * quite the same ordering as the "sequence of numbers" order,
- * but heck it's only used internally by the hash table anyway.
- */
-PRIntn PR_CALLBACK
-SECITEM_HashCompare ( const void *k1, const void *k2)
-{
- const SECItem *i1 = (const SECItem *)k1;
- const SECItem *i2 = (const SECItem *)k2;
-
- return SECITEM_ItemsAreEqual(i1,i2);
-}
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