patch-2.4.0-test3 linux/drivers/acpi/common/cmalloc.c

• Lines: 167
• Date: Wed Jul 5 11:23:12 2000
• Orig file: v2.4.0-test2/linux/drivers/acpi/common/cmalloc.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test2/linux/drivers/acpi/common/cmalloc.c linux/drivers/acpi/common/cmalloc.c
@@ -0,0 +1,166 @@
+/******************************************************************************
+ *
+ * Module Name: cmalloc - local memory allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ *  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 "parser.h"
+#include "interp.h"
+#include "namesp.h"
+#include "globals.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,
+	ACPI_STRING             module,
+	s32                     line)
+{
+	void                    *address = NULL;
+
+	/* Check for an inadvertent size of zero bytes */
+
+	if (!size) {
+		REPORT_ERROR ("Cm_allocate: Attempt to allocate zero bytes");
+		size = 1;
+	}
+
+	address = acpi_os_allocate (size);
+	if (!address) {
+		/* Report allocation error */
+
+		_REPORT_ERROR (module, line, component,
+			"Cm_allocate: Memory allocation failure");
+
+		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,
+	ACPI_STRING             module,
+	s32                     line)
+{
+	void                    *address = NULL;
+
+	/* Check for an inadvertent size of zero bytes */
+
+	if (!size) {
+		REPORT_ERROR ("Cm_callocate: Attempt to allocate zero bytes");
+		return (NULL);
+	}
+
+
+	address = acpi_os_callocate (size);
+
+	if (!address) {
+		/* Report allocation error */
+
+		_REPORT_ERROR (module, line, component,
+			"Cm_callocate: Memory allocation failure");
+
+		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,
+	ACPI_STRING             module,
+	s32                     line)
+{
+
+	if (NULL == address) {
+		_REPORT_ERROR (module, line, component,
+			"_Cm_free: Trying to delete a NULL address.");
+
+		return;
+	}
+
+
+	acpi_os_free (address);
+
+	return;
+}
+
+