From ac44d2ea6e21212cc0e8c9f1c4e0e3a9b3666420 Mon Sep 17 00:00:00 2001
From: Emil Sjolander <emilsj@fb.com>
Date: Tue, 2 Aug 2016 08:07:09 -0700
Subject: [PATCH] use #pragma once

Summary: #pragma once is widely supported and is a lot harder to get wrong than #ifdef include guards.

Reviewed By: lucasr

Differential Revision: D3648895

fbshipit-source-id: faf42cda82764adaf41cf3f3f9109d48aea203fe
---
 CSSLayout/CSSLayout-internal.h | 5 +----
 CSSLayout/CSSLayout.h          | 5 +----
 CSSLayout/CSSMacros.h          | 5 +----
 CSSLayout/CSSNodeList.h        | 5 +----
 benchmarks/CSSBenchmark.h      | 5 +----
 5 files changed, 5 insertions(+), 20 deletions(-)

diff --git a/CSSLayout/CSSLayout-internal.h b/CSSLayout/CSSLayout-internal.h
index b55b597c..7ba85c32 100644
--- a/CSSLayout/CSSLayout-internal.h
+++ b/CSSLayout/CSSLayout-internal.h
@@ -7,8 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
-#ifndef __CSS_LAYOUT_INTERNAL_H
-#define __CSS_LAYOUT_INTERNAL_H
+#pragma once
 
 #include "CSSLayout.h"
 #include "CSSNodeList.h"
@@ -98,5 +97,3 @@ typedef struct CSSNode {
 } CSSNode;
 
 CSS_EXTERN_C_END
-
-#endif
diff --git a/CSSLayout/CSSLayout.h b/CSSLayout/CSSLayout.h
index 24a3d9c3..9d5af32a 100644
--- a/CSSLayout/CSSLayout.h
+++ b/CSSLayout/CSSLayout.h
@@ -7,8 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
-#ifndef __CSS_LAYOUT_H
-#define __CSS_LAYOUT_H
+#pragma once
 
 #include <assert.h>
 #include <math.h>
@@ -214,5 +213,3 @@ CSS_NODE_LAYOUT_PROPERTY(float, Height);
 CSS_NODE_LAYOUT_PROPERTY(CSSDirection, Direction);
 
 CSS_EXTERN_C_END
-
-#endif
diff --git a/CSSLayout/CSSMacros.h b/CSSLayout/CSSMacros.h
index a2fc8e37..1cf88202 100644
--- a/CSSLayout/CSSMacros.h
+++ b/CSSLayout/CSSMacros.h
@@ -7,8 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
-#ifndef __CSS_MACROS_H
-#define __CSS_MACROS_H
+#pragma once
 
 #ifdef __cplusplus
 # define CSS_EXTERN_C_BEGIN extern "C" {
@@ -17,5 +16,3 @@
 # define CSS_EXTERN_C_BEGIN
 # define CSS_EXTERN_C_END
 #endif
-
-#endif
diff --git a/CSSLayout/CSSNodeList.h b/CSSLayout/CSSNodeList.h
index 8883c3ec..d6904efb 100644
--- a/CSSLayout/CSSNodeList.h
+++ b/CSSLayout/CSSNodeList.h
@@ -7,8 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
-#ifndef __CSS_NODE_LIST_H
-#define __CSS_NODE_LIST_H
+#pragma once
 
 #include <assert.h>
 #include <stdlib.h>
@@ -31,5 +30,3 @@ CSSNodeRef CSSNodeListDelete(CSSNodeListRef list, CSSNodeRef node);
 CSSNodeRef CSSNodeListGet(CSSNodeListRef list, uint32_t index);
 
 CSS_EXTERN_C_END
-
-#endif
diff --git a/benchmarks/CSSBenchmark.h b/benchmarks/CSSBenchmark.h
index 4006e796..7fda958a 100644
--- a/benchmarks/CSSBenchmark.h
+++ b/benchmarks/CSSBenchmark.h
@@ -7,8 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
-#ifndef __CSS_BENCHMARK_H
-#define __CSS_BENCHMARK_H
+#pragma once
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -40,5 +39,3 @@ void __printBenchmarkResult(char *name, clock_t start, clock_t end) {
   printf("%lf ms", mean);
   printf("\n");
 }
-
-#endif