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/******************************************************************************
*
* Module Name: cmalloc - local memory allocation routines
* $Revision: 79 $
*
*****************************************************************************/
/*
* Copyright (C) 2000 R. Byron Moore
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "acpi.h"
#include "acparser.h"
#include "acinterp.h"
#include "acnamesp.h"
#include "acglobal.h"
#define _COMPONENT MISCELLANEOUS
MODULE_NAME ("cmalloc")
/*****************************************************************************
*
* FUNCTION: _Cm_allocate
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: The subsystem's equivalent of malloc.
*
****************************************************************************/
void *
_cm_allocate (
u32 size,
u32 component,
NATIVE_CHAR *module,
u32 line)
{
void *address = NULL;
DEBUG_ONLY_MEMBERS (\
ACPI_STATUS status)
/* Check for an inadvertent size of zero bytes */
if (!size) {
_REPORT_ERROR (module, line, component,
("Cm_allocate: Attempt to allocate zero bytes\n"));
size = 1;
}
address = acpi_os_allocate (size);
if (!address) {
/* Report allocation error */
_REPORT_ERROR (module, line, component,
("Cm_allocate: Could not allocate size %X\n", size));
return (NULL);
}
return (address);
}
/*****************************************************************************
*
* FUNCTION: _Cm_callocate
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: Subsystem equivalent of calloc.
*
****************************************************************************/
void *
_cm_callocate (
u32 size,
u32 component,
NATIVE_CHAR *module,
u32 line)
{
void *address = NULL;
DEBUG_ONLY_MEMBERS (\
ACPI_STATUS status)
/* Check for an inadvertent size of zero bytes */
if (!size) {
_REPORT_ERROR (module, line, component,
("Cm_callocate: Attempt to allocate zero bytes\n"));
return (NULL);
}
address = acpi_os_callocate (size);
if (!address) {
/* Report allocation error */
_REPORT_ERROR (module, line, component,
("Cm_callocate: Could not allocate size %X\n", size));
return (NULL);
}
return (address);
}
/*****************************************************************************
*
* FUNCTION: _Cm_free
*
* PARAMETERS: Address - Address of the memory to deallocate
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: None
*
* DESCRIPTION: Frees the memory at Address
*
****************************************************************************/
void
_cm_free (
void *address,
u32 component,
NATIVE_CHAR *module,
u32 line)
{
if (NULL == address) {
_REPORT_ERROR (module, line, component,
("_Cm_free: Trying to delete a NULL address\n"));
return;
}
acpi_os_free (address);
return;
}
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