From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 31 Jan 2021 01:25:22 +0000 (-0800)
Subject: #pragma once instead of old-style header guards in vmalloc
X-Git-Tag: 2.46.1~2^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1610680373de531088ba3e6d89ad3bf2c34d7f15;p=graphviz

#pragma once instead of old-style header guards in vmalloc

These are supported by all recent compilers.
---

diff --git a/lib/vmalloc/vmalloc.h b/lib/vmalloc/vmalloc.h
index c5bda6ed2..7b2daa7ba 100644
--- a/lib/vmalloc/vmalloc.h
+++ b/lib/vmalloc/vmalloc.h
@@ -8,13 +8,12 @@
  * Contributors: Details at http://www.graphviz.org/
  *************************************************************************/
 
+#pragma once
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#ifndef _VMALLOC_H
-#define _VMALLOC_H	1
-
 /*	Public header file for the virtual malloc package.
 **
 **	Written by Kiem-Phong Vo, kpv@research.att.com, 01/16/94.
@@ -64,7 +63,6 @@ extern "C" {
 #define vmfree(vm,d)		(*(_VM_(vm)->meth.freef))((vm),(void*)(d))
 #endif
 #define vmnewof(v,p,t,n,x)	(t*)vmresize((v), (p), sizeof(t)*(n)+(x))
-#endif				/* _VMALLOC_H */
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/vmalloc/vmhdr.h b/lib/vmalloc/vmhdr.h
index 733436aac..ea7bd54ad 100644
--- a/lib/vmalloc/vmhdr.h
+++ b/lib/vmalloc/vmhdr.h
@@ -8,13 +8,12 @@
  * Contributors: Details at http://www.graphviz.org/
  *************************************************************************/
 
+#pragma once
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#ifndef _VMHDR_H
-#define _VMHDR_H	1
-
 /*	Common types, and macros for vmalloc functions.
 **
 **	Written by Kiem-Phong Vo, kpv@research.att.com, 01/16/94.
@@ -27,7 +26,6 @@ void *bestalloc(Vmalloc_t * vm, size_t size);
 int bestfree(Vmalloc_t * vm, void * data);
 void *bestresize(Vmalloc_t * vm, void * data, size_t size);
 
-#endif				/* _VMHDR_H */
 #ifdef __cplusplus
 }
 #endif