patch-2.4.6 linux/drivers/acpi/utilities/utalloc.c
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- Lines: 170
- Date:
Wed Jun 20 17:47:40 2001
- Orig file:
v2.4.5/linux/drivers/acpi/utilities/utalloc.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.4.5/linux/drivers/acpi/utilities/utalloc.c linux/drivers/acpi/utilities/utalloc.c
@@ -0,0 +1,169 @@
+/******************************************************************************
+ *
+ * Module Name: utalloc - local memory allocation routines
+ * $Revision: 90 $
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000, 2001 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 ACPI_UTILITIES
+ MODULE_NAME ("utalloc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: _Ut_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 *
+_ut_allocate (
+ u32 size,
+ u32 component,
+ NATIVE_CHAR *module,
+ u32 line)
+{
+ void *address = NULL;
+
+
+ /* Check for an inadvertent size of zero bytes */
+
+ if (!size) {
+ _REPORT_ERROR (module, line, component,
+ ("Ut_allocate: Attempt to allocate zero bytes\n"));
+ size = 1;
+ }
+
+ address = acpi_os_allocate (size);
+ if (!address) {
+ /* Report allocation error */
+
+ _REPORT_ERROR (module, line, component,
+ ("Ut_allocate: Could not allocate size %X\n", size));
+
+ return (NULL);
+ }
+
+
+ return (address);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: _Ut_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 *
+_ut_callocate (
+ u32 size,
+ u32 component,
+ NATIVE_CHAR *module,
+ u32 line)
+{
+ void *address = NULL;
+
+
+ /* Check for an inadvertent size of zero bytes */
+
+ if (!size) {
+ _REPORT_ERROR (module, line, component,
+ ("Ut_callocate: Attempt to allocate zero bytes\n"));
+ return (NULL);
+ }
+
+
+ address = acpi_os_callocate (size);
+ if (!address) {
+ /* Report allocation error */
+
+ _REPORT_ERROR (module, line, component,
+ ("Ut_callocate: Could not allocate size %X\n", size));
+ return (NULL);
+ }
+
+
+ return (address);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: _Ut_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
+_ut_free (
+ void *address,
+ u32 component,
+ NATIVE_CHAR *module,
+ u32 line)
+{
+
+ if (NULL == address) {
+ _REPORT_ERROR (module, line, component,
+ ("_Ut_free: Trying to delete a NULL address\n"));
+
+ return;
+ }
+
+
+ acpi_os_free (address);
+
+ return;
+}
+
+
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