patch-2.4.6 linux/drivers/acpi/utilities/utalloc.c

• 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;
+}
+
+