From b1bc4a68b0bc2d7b391c7484a52a46a636ad89fc Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Thu, 8 Aug 2013 11:57:04 +1000
Subject: [PATCH] Add zalloc(size_t) allocator function

Same as calloc(1, len).
---
 shared/zalloc.h  | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/Makefile.am  |  1 +
 src/compositor.h |  1 +
 3 files changed, 44 insertions(+)
 create mode 100644 shared/zalloc.h

diff --git a/shared/zalloc.h b/shared/zalloc.h
new file mode 100644
index 00000000..29da1190
--- /dev/null
+++ b/shared/zalloc.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright © 2013 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission.  The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef WESTON_ZALLOC_H
+#define WESTON_ZALLOC_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#include <stdlib.h>
+
+static inline void *
+zalloc(size_t size)
+{
+	return calloc(1, size);
+}
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* WESTON_ZALLOC_H */
diff --git a/src/Makefile.am b/src/Makefile.am
index d06e773d..c7ce9820 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -46,6 +46,7 @@ weston_SOURCES =				\
 	pixman-renderer.h			\
 	../shared/matrix.c			\
 	../shared/matrix.h			\
+	../shared/zalloc.h			\
 	weston-launch.h				\
 	weston-egl-ext.h
 
diff --git a/src/compositor.h b/src/compositor.h
index 7fbc4b3b..7600ce3f 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -37,6 +37,7 @@ extern "C" {
 #include "version.h"
 #include "matrix.h"
 #include "config-parser.h"
+#include "zalloc.h"
 
 #ifndef MIN
 #define MIN(x,y) (((x) < (y)) ? (x) : (y))