util/bit_reverse: convert to C++

src/decoder/plugins/DsdiffDecoderPlugin.cxx

@@ -31,7 +31,7 @@
 #include "../DecoderAPI.hxx"
 #include "input/InputStream.hxx"
 #include "pcm/CheckAudioFormat.hxx"
-#include "util/bit_reverse.h"
+#include "util/BitReverse.hxx"
 #include "util/ByteOrder.hxx"
 #include "util/StringView.hxx"
 #include "tag/Handler.hxx"

src/decoder/plugins/DsfDecoderPlugin.cxx

@@ -32,7 +32,7 @@
 #include "../DecoderAPI.hxx"
 #include "input/InputStream.hxx"
 #include "pcm/CheckAudioFormat.hxx"
-#include "util/bit_reverse.h"
+#include "util/BitReverse.hxx"
 #include "util/ByteOrder.hxx"
 #include "DsdLib.hxx"
 #include "tag/Handler.hxx"

src/pcm/Dsd2Pcm.cxx

@@ -32,7 +32,7 @@ or implied, of Sebastian Gesemann.
 
 #include "Dsd2Pcm.hxx"
 #include "Traits.hxx"
-#include "util/bit_reverse.h"
+#include "util/BitReverse.hxx"
 #include "util/GenerateArray.hxx"
 
 #include <assert.h>

src/util/BitReverse.cxx

@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "bit_reverse.h"
+#include "BitReverse.hxx"
 
 /**
  * @see http://graphics.stanford.edu/~seander/bithacks.html#BitReverseTable

src/util/BitReverse.hxx

@@ -17,8 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_BIT_REVERSE_H
-#define MPD_BIT_REVERSE_H
+#ifndef MPD_BIT_REVERSE_HXX
+#define MPD_BIT_REVERSE_HXX
 
 #include "Compiler.h"
 
@@ -28,7 +28,7 @@ extern const uint8_t bit_reverse_table[256];
 
 gcc_const
 static inline uint8_t
-bit_reverse(uint8_t x)
+bit_reverse(uint8_t x) noexcept
 {
 	return bit_reverse_table[x];
 }

src/util/meson.build

@@ -29,7 +29,7 @@ util = static_library(
   'OptionParser.cxx',
   'ByteReverse.cxx',
   'format.c',
-  'bit_reverse.c',
+  'BitReverse.cxx',
   include_directories: inc,
 )