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authorBen Gamari <bgamari.foss@gmail.com>2017-04-22 09:34:18 -0400
committerBen Gamari <ben@smart-cactus.org>2017-04-23 11:05:48 -0400
commitf13eebcc9b1407e5aeaf010536fcb5e469dbfe71 (patch)
tree99bb45d293b74ba0570a2555e07fed09f8c3f659 /utils/lndir
parent87fbf39a61d2535a172fbcecec098730eba1777f (diff)
downloadhaskell-f13eebcc9b1407e5aeaf010536fcb5e469dbfe71.tar.gz
cpp: Use #pragma once instead of #ifndef guards
This both says what we mean and silences a bunch of spurious CPP linting warnings. This pragma is supported by all CPP implementations which we support. Reviewers: austin, erikd, simonmar, hvr Reviewed By: simonmar Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3482
Diffstat (limited to 'utils/lndir')
-rw-r--r--utils/lndir/lndir-Xos.h5
-rw-r--r--utils/lndir/lndir-Xosdefs.h5
2 files changed, 2 insertions, 8 deletions
diff --git a/utils/lndir/lndir-Xos.h b/utils/lndir/lndir-Xos.h
index e91e959c73..c6d1e3652c 100644
--- a/utils/lndir/lndir-Xos.h
+++ b/utils/lndir/lndir-Xos.h
@@ -21,8 +21,7 @@
* in a "signficant" number of source files.
*/
-#ifndef _XOS_H_
-#define _XOS_H_
+#pragma once
#include "lndir-Xosdefs.h"
@@ -148,5 +147,3 @@ struct timezone {
#ifdef ISC
#include <sys/bsdtypes.h>
#endif
-
-#endif /* _XOS_H_ */
diff --git a/utils/lndir/lndir-Xosdefs.h b/utils/lndir/lndir-Xosdefs.h
index e21db4b24e..7e232c97c5 100644
--- a/utils/lndir/lndir-Xosdefs.h
+++ b/utils/lndir/lndir-Xosdefs.h
@@ -23,8 +23,7 @@
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifndef _XOSDEFS_H_
-#define _XOSDEFS_H_
+#pragma once
/*
* X_NOT_STDC_ENV means does not have ANSI C header files. Lack of this
@@ -95,5 +94,3 @@
#define X_NOT_STDC_ENV
#endif
#endif
-
-#endif /* _XOSDEFS_H_ */