imported gcc.h from mpd

gcc.h contains a useful set of macros for setting attributes.

diff --git a/src/Makefile.am b/src/Makefile.am
index e3ddc313d4eac91b5dc10ad64abdde28a074c2b8..176edf251ee8565ad8058101cf7d11e18738894f 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -29,7 +29,8 @@ ncmpc_headers = \
   utils.h\
   ncmpc.h\
   screen_browse.h\
-  src_lyrics.h
+  src_lyrics.h \
+       gcc.h
 
 # $Id$
 

diff --git a/src/gcc.h b/src/gcc.h
new file mode 100644 (file)
index 0000000..7492e6c
--- /dev/null
+++ b/src/gcc.h
@@ -0,0 +1,69 @@
+/* the Music Player Daemon (MPD)
+ * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
+ * This project's homepage is: http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef MPD_GCC_H
+#define MPD_GCC_H
+
+/* this allows us to take advantage of special gcc features while still
+ * allowing other compilers to compile:
+ *
+ * example taken from: http://rlove.org/log/2005102601
+ */
+
+#if defined(__GNUC__) && (__GNUC__ >= 3)
+#  define mpd_const            __attribute__ ((const))
+#  define mpd_deprecated       __attribute__ ((deprecated))
+#  define mpd_malloc           __attribute__ ((malloc))
+#  define mpd_must_check       __attribute__ ((warn_unused_result))
+#  define mpd_noreturn         __attribute__ ((noreturn))
+#  define mpd_packed           __attribute__ ((packed))
+/* these are very useful for type checking */
+#  define mpd_printf           __attribute__ ((format(printf,1,2)))
+#  define mpd_fprintf          __attribute__ ((format(printf,2,3)))
+#  define mpd_fprintf_         __attribute__ ((format(printf,3,4)))
+#  define mpd_fprintf__                __attribute__ ((format(printf,4,5)))
+#  define mpd_pure             __attribute__ ((pure))
+#  define mpd_scanf            __attribute__ ((format(scanf,1,2)))
+#  define mpd_unused           __attribute__ ((unused))
+#  define mpd_used             __attribute__ ((used))
+/* #  define inline    inline __attribute__ ((always_inline)) */
+#  define mpd_noinline         __attribute__ ((noinline))
+#  define mpd_likely(x)                __builtin_expect (!!(x), 1)
+#  define mpd_unlikely(x)      __builtin_expect (!!(x), 0)
+#else
+#  define mpd_const
+#  define mpd_deprecated
+#  define mpd_malloc
+#  define mpd_must_check
+#  define mpd_noreturn
+#  define mpd_packed
+#  define mpd_printf
+#  define mpd_fprintf
+#  define mpd_fprintf_
+#  define mpd_fprintf__
+#  define mpd_pure
+#  define mpd_scanf
+#  define mpd_unused
+#  define mpd_used
+/* #  define inline */
+#  define mpd_noinline
+#  define mpd_likely(x)                (x)
+#  define mpd_unlikely(x)      (x)
+#endif
+
+#endif /* MPD_GCC_H */