From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Wed, 13 Oct 2021 01:15:49 +0000 (-0700)
Subject: lib/ast: replace header guards with more modern #pragma once
X-Git-Tag: 2.49.2~6^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ca3e0213c986a040a58777a6b0babd45d5af7c24;p=graphviz

lib/ast: replace header guards with more modern #pragma once
---

diff --git a/lib/ast/ast.h b/lib/ast/ast.h
index 8a1a076ab..c6595850a 100644
--- a/lib/ast/ast.h
+++ b/lib/ast/ast.h
@@ -8,13 +8,12 @@
  * Contributors: Details at https://graphviz.org
  *************************************************************************/
 
+#pragma once
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#ifndef AST_H
-#define AST_H
-
 #include <sfio/sfio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -85,8 +84,6 @@ extern "C" {
     extern int stresc(char *);
     extern char *strcopy(char *s, const char *t);
 
-#endif
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/ast/compat_unistd.h b/lib/ast/compat_unistd.h
index 76d9b9b64..36eba84a4 100644
--- a/lib/ast/compat_unistd.h
+++ b/lib/ast/compat_unistd.h
@@ -8,8 +8,7 @@
  * Contributors: Details at https://graphviz.org
  *************************************************************************/
 
-#ifndef UNISTD_H
-#define UNISTD_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -41,5 +40,3 @@ extern char* getcwd (char*, int);
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/lib/ast/error.h b/lib/ast/error.h
index 2b7714ae4..0f06bab21 100644
--- a/lib/ast/error.h
+++ b/lib/ast/error.h
@@ -8,6 +8,8 @@
  * Contributors: Details at https://graphviz.org
  *************************************************************************/
 
+#pragma once
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -16,9 +18,6 @@ extern "C" {
  * standalone mini error interface
  */
 
-#ifndef _ERROR_H
-#define _ERROR_H
-
 #include <stdarg.h>
 #include <errno.h>
 
@@ -68,8 +67,6 @@ extern "C" {
 
 #undef PRINTF_LIKE
 
-#endif
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/ast/hashkey.h b/lib/ast/hashkey.h
index ba1d798bb..adb41d42a 100644
--- a/lib/ast/hashkey.h
+++ b/lib/ast/hashkey.h
@@ -8,6 +8,8 @@
  * Contributors: Details at https://graphviz.org
  *************************************************************************/
 
+#pragma once
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -20,9 +22,6 @@ extern "C" {
  * digit args passed as HASHKEYN('2')
  */
 
-#ifndef _HASHKEY_H
-#define _HASHKEY_H
-
 #define HASHKEYMAX			6
 #define HASHKEYBIT			5
 #define HASHKEYOFF			('a'-1)
@@ -48,8 +47,6 @@ extern "C" {
 
 #undef	extern
 
-#endif
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/ast/sfstr.h b/lib/ast/sfstr.h
index ee0cbb99c..3dc681ae9 100644
--- a/lib/ast/sfstr.h
+++ b/lib/ast/sfstr.h
@@ -8,6 +8,8 @@
  * Contributors: Details at https://graphviz.org
  *************************************************************************/
 
+#pragma once
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -16,9 +18,6 @@ extern "C" {
  * macro interface for sfio write strings
  */
 
-#ifndef _SFSTR_H
-#define _SFSTR_H
-
 #include <sfio/sfio.h>
 
 #define sfstropen()	sfnew((Sfio_t*)0,(char*)0,-1,-1,SF_WRITE|SF_STRING)
@@ -26,8 +25,6 @@ extern "C" {
 
 #define sfstruse(f)	(sfputc(f,0), (char*)((f)->next = (f)->data) )
 
-#endif
-
 #ifdef __cplusplus
 }
 #endif