Code Style: use "#pragma once" in source directory

This replaces header include guards with `#pragma once`.
A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`),
because they are used in other places.

This patch has been generated by P1561 followed by `make format`.

Differential Revision: https://developer.blender.org/D8466

7 files changed, 7 insertions, 28 deletions

diff --git a/source/blender/blenloader/BLO_blend_defs.h b/source/blender/blenloader/BLO_blend_defs.h
index fec61605dca..40da63f20e8 100644
--- a/source/blender/blenloader/BLO_blend_defs.h
+++ b/source/blender/blenloader/BLO_blend_defs.h
@@ -13,8 +13,7 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
-#ifndef __BLO_BLEND_DEFS_H__
-#define __BLO_BLEND_DEFS_H__
+#pragma once
 
 /** \file
  * \ingroup blenloader
@@ -72,5 +71,3 @@ enum {
 };
 
 #define BLEN_THUMB_MEMSIZE_FILE(_x, _y) (sizeof(int) * (2 + (size_t)(_x) * (size_t)(_y)))
-
-#endif /* __BLO_BLEND_DEFS_H__ */
diff --git a/source/blender/blenloader/BLO_blend_validate.h b/source/blender/blenloader/BLO_blend_validate.h
index 1ffaddef02f..78aa481d4b1 100644
--- a/source/blender/blenloader/BLO_blend_validate.h
+++ b/source/blender/blenloader/BLO_blend_validate.h
@@ -17,8 +17,7 @@
  * All rights reserved.
  */
 
-#ifndef __BLO_BLEND_VALIDATE_H__
-#define __BLO_BLEND_VALIDATE_H__
+#pragma once
 
 /** \file
  * \ingroup blenloader
@@ -31,5 +30,3 @@ struct ReportList;
 
 bool BLO_main_validate_libraries(struct Main *bmain, struct ReportList *reports);
 bool BLO_main_validate_shapekeys(struct Main *bmain, struct ReportList *reports);
-
-#endif
diff --git a/source/blender/blenloader/BLO_read_write.h b/source/blender/blenloader/BLO_read_write.h
index 7c9738b67c5..024b6a6c5e4 100644
--- a/source/blender/blenloader/BLO_read_write.h
+++ b/source/blender/blenloader/BLO_read_write.h
@@ -38,8 +38,7 @@
  * necessary.
  */
 
-#ifndef __BLO_READ_WRITE_H__
-#define __BLO_READ_WRITE_H__
+#pragma once
 
 /* for SDNA_TYPE_FROM_STRUCT() macro */
 #include "dna_type_offsets.h"
@@ -223,5 +222,3 @@ void BLO_expand_id(BlendExpander *expander, struct ID *id);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __BLO_READ_WRITE_H__ */
diff --git a/source/blender/blenloader/BLO_readfile.h b/source/blender/blenloader/BLO_readfile.h
index e4908eb7257..97c77ed2e19 100644
--- a/source/blender/blenloader/BLO_readfile.h
+++ b/source/blender/blenloader/BLO_readfile.h
@@ -16,8 +16,7 @@
  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  * All rights reserved.
  */
-#ifndef __BLO_READFILE_H__
-#define __BLO_READFILE_H__
+#pragma once
 
 #include "BLI_sys_types.h"
 
@@ -196,5 +195,3 @@ extern const struct UserDef U_default;
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __BLO_READFILE_H__ */
diff --git a/source/blender/blenloader/BLO_undofile.h b/source/blender/blenloader/BLO_undofile.h
index f9300f8a521..f5527c13429 100644
--- a/source/blender/blenloader/BLO_undofile.h
+++ b/source/blender/blenloader/BLO_undofile.h
@@ -18,8 +18,7 @@
  * external writefile function prototypes
  */
 
-#ifndef __BLO_UNDOFILE_H__
-#define __BLO_UNDOFILE_H__
+#pragma once
 
 /** \file
  * \ingroup blenloader
@@ -85,5 +84,3 @@ extern struct Main *BLO_memfile_main_get(struct MemFile *memfile,
                                          struct Main *bmain,
                                          struct Scene **r_scene);
 extern bool BLO_memfile_write_file(struct MemFile *memfile, const char *filename);
-
-#endif /* __BLO_UNDOFILE_H__ */
diff --git a/source/blender/blenloader/BLO_writefile.h b/source/blender/blenloader/BLO_writefile.h
index 8fe04e764f9..746c663926d 100644
--- a/source/blender/blenloader/BLO_writefile.h
+++ b/source/blender/blenloader/BLO_writefile.h
@@ -17,8 +17,7 @@
  * All rights reserved.
  */
 
-#ifndef __BLO_WRITEFILE_H__
-#define __BLO_WRITEFILE_H__
+#pragma once
 
 /** \file
  * \ingroup blenloader
@@ -73,5 +72,3 @@ extern bool BLO_write_file_mem(struct Main *mainvar,
                                int write_flags);
 
 /** \} */
-
-#endif
diff --git a/source/blender/blenloader/intern/readfile.h b/source/blender/blenloader/intern/readfile.h
index f8c91c77634..34a670a8357 100644
--- a/source/blender/blenloader/intern/readfile.h
+++ b/source/blender/blenloader/intern/readfile.h
@@ -22,8 +22,7 @@
  * \ingroup blenloader
  */
 
-#ifndef __READFILE_H__
-#define __READFILE_H__
+#pragma once
 
 #include "DNA_sdna_types.h"
 #include "DNA_space_types.h"
@@ -199,5 +198,3 @@ void do_versions_after_linking_270(struct Main *bmain);
 void do_versions_after_linking_280(struct Main *bmain, struct ReportList *reports);
 void do_versions_after_linking_290(struct Main *bmain, struct ReportList *reports);
 void do_versions_after_linking_cycles(struct Main *bmain);
-
-#endif