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