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Diffstat (limited to 'trunk/src/gcc.h')
| -rw-r--r-- | trunk/src/gcc.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/trunk/src/gcc.h b/trunk/src/gcc.h new file mode 100644 index 000000000..4ae18c46b --- /dev/null +++ b/trunk/src/gcc.h @@ -0,0 +1,67 @@ +/* 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_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_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 */ |