/usr/include/firefox/prmem.h is in firefox-dev 11.0+build1-0ubuntu4.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
** 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___ */
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