| Index: mozilla/nsprpub/pr/include/prmem.h
|
| ===================================================================
|
| --- mozilla/nsprpub/pr/include/prmem.h (revision 191424)
|
| +++ mozilla/nsprpub/pr/include/prmem.h (working copy)
|
| @@ -1,126 +0,0 @@
|
| -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
| -/* This Source Code Form is subject to the terms of the Mozilla Public
|
| - * License, v. 2.0. If a copy of the MPL was not distributed with this
|
| - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
| -
|
| -/*
|
| -** File: prmem.h
|
| -** Description: API to NSPR memory management functions
|
| -**
|
| -*/
|
| -#ifndef prmem_h___
|
| -#define prmem_h___
|
| -
|
| -#include "prtypes.h"
|
| -#include <stdlib.h>
|
| -
|
| -PR_BEGIN_EXTERN_C
|
| -
|
| -/*
|
| -** Thread safe memory allocation.
|
| -**
|
| -** NOTE: pr wraps up malloc, free, calloc, realloc so they are already
|
| -** thread safe (and are not declared here - look in stdlib.h).
|
| -*/
|
| -
|
| -/*
|
| -** PR_Malloc, PR_Calloc, PR_Realloc, and PR_Free have the same signatures
|
| -** as their libc equivalent malloc, calloc, realloc, and free, and have
|
| -** the same semantics. (Note that the argument type size_t is replaced
|
| -** by PRUint32.) Memory allocated by PR_Malloc, PR_Calloc, or PR_Realloc
|
| -** must be freed by PR_Free.
|
| -*/
|
| -
|
| -NSPR_API(void *) PR_Malloc(PRUint32 size);
|
| -
|
| -NSPR_API(void *) PR_Calloc(PRUint32 nelem, PRUint32 elsize);
|
| -
|
| -NSPR_API(void *) PR_Realloc(void *ptr, PRUint32 size);
|
| -
|
| -NSPR_API(void) PR_Free(void *ptr);
|
| -
|
| -/*
|
| -** The following are some convenience macros defined in terms of
|
| -** PR_Malloc, PR_Calloc, PR_Realloc, and PR_Free.
|
| -*/
|
| -
|
| -/***********************************************************************
|
| -** FUNCTION: PR_MALLOC()
|
| -** DESCRIPTION:
|
| -** PR_NEW() allocates an untyped item of size _size from the heap.
|
| -** INPUTS: _size: size in bytes of item to be allocated
|
| -** OUTPUTS: untyped pointer to the node allocated
|
| -** RETURN: pointer to node or error returned from malloc().
|
| -***********************************************************************/
|
| -#define PR_MALLOC(_bytes) (PR_Malloc((_bytes)))
|
| -
|
| -/***********************************************************************
|
| -** FUNCTION: PR_NEW()
|
| -** DESCRIPTION:
|
| -** PR_NEW() allocates an item of type _struct from the heap.
|
| -** INPUTS: _struct: a data type
|
| -** OUTPUTS: pointer to _struct
|
| -** RETURN: pointer to _struct or error returns from malloc().
|
| -***********************************************************************/
|
| -#define PR_NEW(_struct) ((_struct *) PR_MALLOC(sizeof(_struct)))
|
| -
|
| -/***********************************************************************
|
| -** FUNCTION: PR_REALLOC()
|
| -** DESCRIPTION:
|
| -** PR_REALLOC() re-allocates _ptr bytes from the heap as a _size
|
| -** untyped item.
|
| -** INPUTS: _ptr: pointer to node to reallocate
|
| -** _size: size of node to allocate
|
| -** OUTPUTS: pointer to node allocated
|
| -** RETURN: pointer to node allocated
|
| -***********************************************************************/
|
| -#define PR_REALLOC(_ptr, _size) (PR_Realloc((_ptr), (_size)))
|
| -
|
| -/***********************************************************************
|
| -** FUNCTION: PR_CALLOC()
|
| -** DESCRIPTION:
|
| -** PR_CALLOC() allocates a _size bytes untyped item from the heap
|
| -** and sets the allocated memory to all 0x00.
|
| -** INPUTS: _size: size of node to allocate
|
| -** OUTPUTS: pointer to node allocated
|
| -** RETURN: pointer to node allocated
|
| -***********************************************************************/
|
| -#define PR_CALLOC(_size) (PR_Calloc(1, (_size)))
|
| -
|
| -/***********************************************************************
|
| -** FUNCTION: PR_NEWZAP()
|
| -** DESCRIPTION:
|
| -** PR_NEWZAP() allocates an item of type _struct from the heap
|
| -** and sets the allocated memory to all 0x00.
|
| -** INPUTS: _struct: a data type
|
| -** OUTPUTS: pointer to _struct
|
| -** RETURN: pointer to _struct
|
| -***********************************************************************/
|
| -#define PR_NEWZAP(_struct) ((_struct*)PR_Calloc(1, sizeof(_struct)))
|
| -
|
| -/***********************************************************************
|
| -** FUNCTION: PR_DELETE()
|
| -** DESCRIPTION:
|
| -** PR_DELETE() unallocates an object previosly allocated via PR_NEW()
|
| -** or PR_NEWZAP() to the heap.
|
| -** INPUTS: pointer to previously allocated object
|
| -** OUTPUTS: the referenced object is returned to the heap
|
| -** RETURN: void
|
| -***********************************************************************/
|
| -#define PR_DELETE(_ptr) { PR_Free(_ptr); (_ptr) = NULL; }
|
| -
|
| -/***********************************************************************
|
| -** FUNCTION: PR_FREEIF()
|
| -** DESCRIPTION:
|
| -** PR_FREEIF() conditionally unallocates an object previously allocated
|
| -** vial PR_NEW() or PR_NEWZAP(). If the pointer to the object is
|
| -** equal to zero (0), the object is not released.
|
| -** INPUTS: pointer to previously allocated object
|
| -** OUTPUTS: the referenced object is conditionally returned to the heap
|
| -** RETURN: void
|
| -***********************************************************************/
|
| -#define PR_FREEIF(_ptr) if (_ptr) PR_DELETE(_ptr)
|
| -
|
| -PR_END_EXTERN_C
|
| -
|
| -#endif /* prmem_h___ */
|
|
|