diff options
Diffstat (limited to 'security/nss/lib/util/secitem.c')
| -rw-r--r-- | security/nss/lib/util/secitem.c | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/security/nss/lib/util/secitem.c b/security/nss/lib/util/secitem.c deleted file mode 100644 index f185d60b9..000000000 --- a/security/nss/lib/util/secitem.c +++ /dev/null @@ -1,240 +0,0 @@ -/* - * 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. - */ - -/* - * 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; - - 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 (arena != NULL) { - PORT_ArenaUnmark(arena, mark); - } - return(result); - -loser: - if (arena != NULL) { - 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; - - 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 (SECITEM_CompareItem(a, b) == SECEqual) - return PR_TRUE; - - return PR_FALSE; -} - -SECItem * -SECITEM_DupItem(const SECItem *from) -{ - SECItem *to; - - if ( from == NULL ) { - return(NULL); - } - - to = (SECItem *)PORT_Alloc(sizeof(SECItem)); - if ( to == NULL ) { - return(NULL); - } - - to->data = (unsigned char *)PORT_Alloc(from->len); - if ( to->data == NULL ) { - PORT_Free(to); - return(NULL); - } - - to->len = from->len; - PORT_Memcpy(to->data, from->data, to->len); - - return(to); -} - -SECStatus -SECITEM_CopyItem(PRArenaPool *arena, SECItem *to, const SECItem *from) -{ - 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)); - } - } -} |