зеркало из https://github.com/mozilla/gecko-dev.git
137 строки
2.5 KiB
C
137 строки
2.5 KiB
C
/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "seccomon.h"
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#include "prmem.h"
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#include "prerror.h"
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#include "plarena.h"
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#include "prlog.h"
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void *
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PORT_Alloc(size_t bytes)
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{
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void *rv;
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/* Always allocate a non-zero amount of bytes */
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rv = (void *)PR_Malloc(bytes ? bytes : 1);
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return rv;
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}
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void *
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PORT_Realloc(void *oldptr, size_t bytes)
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{
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void *rv;
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rv = (void *)PR_Realloc(oldptr, bytes);
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return rv;
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}
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void *
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PORT_ZAlloc(size_t bytes)
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{
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void *rv;
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/* Always allocate a non-zero amount of bytes */
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rv = (void *)PR_Calloc(1, bytes ? bytes : 1);
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return rv;
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}
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void
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PORT_Free(void *ptr)
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{
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if (ptr) {
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PR_Free(ptr);
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}
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}
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void
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PORT_ZFree(void *ptr, size_t len)
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{
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if (ptr) {
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memset(ptr, 0, len);
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PR_Free(ptr);
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}
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}
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PRArenaPool *
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PORT_NewArena(unsigned long chunksize)
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{
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PRArenaPool *arena;
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arena = PORT_ZAlloc(sizeof(PRArenaPool));
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if ( arena != NULL ) {
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PR_InitArenaPool(arena, "security", chunksize, sizeof(double));
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}
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return(arena);
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}
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void *
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PORT_ArenaAlloc(PRArenaPool *arena, size_t size)
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{
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void *p;
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PR_ARENA_ALLOCATE(p, arena, size);
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return(p);
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}
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void *
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PORT_ArenaZAlloc(PRArenaPool *arena, size_t size)
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{
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void *p;
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PR_ARENA_ALLOCATE(p, arena, size);
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if (p == NULL) {
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} else {
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memset(p, 0, size);
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}
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return(p);
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}
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/* XXX - need to zeroize!! - jsw */
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void
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PORT_FreeArena(PRArenaPool *arena, PRBool zero)
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{
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PR_FinishArenaPool(arena);
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PORT_Free(arena);
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}
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void *
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PORT_ArenaGrow(PRArenaPool *arena, void *ptr, size_t oldsize, size_t newsize)
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{
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PR_ASSERT(newsize >= oldsize);
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PR_ARENA_GROW(ptr, arena, oldsize, ( newsize - oldsize ) );
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return(ptr);
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}
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void *
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PORT_ArenaMark(PRArenaPool *arena)
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{
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return PR_ARENA_MARK(arena);
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}
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void
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PORT_ArenaRelease(PRArenaPool *arena, void *mark)
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{
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PR_ARENA_RELEASE(arena, mark);
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}
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