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Diffstat (limited to '')
| -rw-r--r-- | src/gcc.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/gcc.h b/src/gcc.h new file mode 100644 index 000000000..62c78e733 --- /dev/null +++ b/src/gcc.h @@ -0,0 +1,50 @@ +#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 + */ + +/* disabled (0) until I fix all the warnings :) */ +#if (0 && __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 likely(x) __builtin_expect (!!(x), 1) +# define 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 likely(x) (x) +# define unlikely(x) (x) +#endif + +#endif /* MPD_GCC_H */ |