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107 lines
3.6 KiB
C
107 lines
3.6 KiB
C
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1994-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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#ifndef _SECITEM_H_
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#define _SECITEM_H_
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/*
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* secitem.h - public data structures and prototypes for handling
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* SECItems
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*
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* $Id: secitem.h,v 1.1 2000/03/31 19:40:08 relyea%netscape.com Exp $
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*/
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#include "plarena.h"
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#include "seccomon.h"
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SEC_BEGIN_PROTOS
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/*
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** Allocate an item. If "arena" is not NULL, then allocate from there,
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** otherwise allocate from the heap. If "item" is not NULL, allocate
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** only the data for the item, not the item itself. The item structure
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** is allocated zero-filled; the data buffer is not zeroed.
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**
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** The resulting item is returned; NULL if any error occurs.
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**
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** XXX This probably should take a SECItemType, but since that is mostly
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** unused and our improved APIs (aka Stan) are looming, I left it out.
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*/
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extern SECItem *SECITEM_AllocItem(PRArenaPool *arena, SECItem *item,
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unsigned int len);
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/*
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** Reallocate the data for the specified "item". If "arena" is not NULL,
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** then reallocate from there, otherwise reallocate from the heap.
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** In the case where oldlen is 0, the data is allocated (not reallocated).
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** In any case, "item" is expected to be a valid SECItem pointer;
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** SECFailure is returned if it is not. If the allocation succeeds,
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** SECSuccess is returned.
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*/
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extern SECStatus SECITEM_ReallocItem(PRArenaPool *arena, SECItem *item,
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unsigned int oldlen, unsigned int newlen);
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/*
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** Compare two items returning the difference between them.
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*/
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extern SECComparison SECITEM_CompareItem(const SECItem *a, const SECItem *b);
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/*
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** Compare two items -- if they are the same, return true; otherwise false.
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*/
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extern PRBool SECITEM_ItemsAreEqual(const SECItem *a, const SECItem *b);
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/*
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** Copy "from" to "to"
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*/
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extern SECStatus SECITEM_CopyItem(PRArenaPool *arena, SECItem *to,
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const SECItem *from);
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/*
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** Allocate an item and copy "from" into it.
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*/
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extern SECItem *SECITEM_DupItem(const SECItem *from);
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/*
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** Free "zap". If freeit is PR_TRUE then "zap" itself is freed.
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*/
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extern void SECITEM_FreeItem(SECItem *zap, PRBool freeit);
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/*
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** Zero and then free "zap". If freeit is PR_TRUE then "zap" itself is freed.
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*/
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extern void SECITEM_ZfreeItem(SECItem *zap, PRBool freeit);
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SEC_END_PROTOS
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#endif /* _SECITEM_H_ */
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