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167 lines
4.3 KiB
C
167 lines
4.3 KiB
C
/******************************************************************************
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*
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* Module Name: cmalloc - local memory allocation routines
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* $Revision: 1.1 $
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000, 2001 R. Byron Moore
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <acpi.h>
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#define _COMPONENT ACPI_UTILITIES
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MODULE_NAME ("cmalloc")
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/*****************************************************************************
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*
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* FUNCTION: _Cm_allocate
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*
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* PARAMETERS: Size - Size of the allocation
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* Component - Component type of caller
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* Module - Source file name of caller
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* Line - Line number of caller
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*
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* RETURN: Address of the allocated memory on success, NULL on failure.
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*
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* DESCRIPTION: The subsystem's equivalent of malloc.
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*
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****************************************************************************/
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void *
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_cm_allocate (
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u32 size,
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u32 component,
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NATIVE_CHAR *module,
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u32 line)
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{
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void *address = NULL;
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/* Check for an inadvertent size of zero bytes */
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if (!size) {
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_REPORT_ERROR (module, line, component,
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("Cm_allocate: Attempt to allocate zero bytes\n"));
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size = 1;
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}
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address = acpi_os_allocate (size);
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if (!address) {
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/* Report allocation error */
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_REPORT_ERROR (module, line, component,
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("Cm_allocate: Could not allocate size %X\n", size));
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return (NULL);
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}
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return (address);
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}
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/*****************************************************************************
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*
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* FUNCTION: _Cm_callocate
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*
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* PARAMETERS: Size - Size of the allocation
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* Component - Component type of caller
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* Module - Source file name of caller
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* Line - Line number of caller
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*
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* RETURN: Address of the allocated memory on success, NULL on failure.
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*
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* DESCRIPTION: Subsystem equivalent of calloc.
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*
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****************************************************************************/
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void *
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_cm_callocate (
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u32 size,
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u32 component,
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NATIVE_CHAR *module,
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u32 line)
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{
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void *address = NULL;
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/* Check for an inadvertent size of zero bytes */
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if (!size) {
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_REPORT_ERROR (module, line, component,
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("Cm_callocate: Attempt to allocate zero bytes\n"));
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return (NULL);
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}
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address = acpi_os_callocate (size);
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if (!address) {
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/* Report allocation error */
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_REPORT_ERROR (module, line, component,
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("Cm_callocate: Could not allocate size %X\n", size));
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return (NULL);
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}
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return (address);
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}
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/*****************************************************************************
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*
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* FUNCTION: _Cm_free
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*
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* PARAMETERS: Address - Address of the memory to deallocate
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* Component - Component type of caller
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* Module - Source file name of caller
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* Line - Line number of caller
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*
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* RETURN: None
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*
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* DESCRIPTION: Frees the memory at Address
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*
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****************************************************************************/
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void
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_cm_free (
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void *address,
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u32 component,
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NATIVE_CHAR *module,
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u32 line)
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{
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if (NULL == address) {
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_REPORT_ERROR (module, line, component,
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("_Cm_free: Trying to delete a NULL address\n"));
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return;
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}
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acpi_os_free (address);
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return;
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}
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