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authorMax Kellermann <max@duempel.org>2012-08-02 18:15:49 +0200
committerMax Kellermann <max@duempel.org>2012-08-02 19:12:18 +0200
commit8e331cfc65b6817a147dfaac4d9c4d01414782ac (patch)
tree5a67ed93b37e98a3164b693da1f7e5a140dbecee /src/gcc.h
parentedf811fa0271da729e9962e3976f2a68ac35a395 (diff)
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gcc.h: re-add gcc_const and gcc_pure
Remove GLib dependency from some headers.
Diffstat (limited to '')
-rw-r--r--src/gcc.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/gcc.h b/src/gcc.h
index 1d0128cbd..22b712af9 100644
--- a/src/gcc.h
+++ b/src/gcc.h
@@ -32,6 +32,9 @@
*/
#if GCC_CHECK_VERSION(3,0)
+# define gcc_const __attribute__((const))
+# define gcc_pure __attribute__((pure))
+# define gcc_malloc __attribute__((malloc))
# define gcc_must_check __attribute__ ((warn_unused_result))
# define gcc_packed __attribute__ ((packed))
/* these are very useful for type checking */
@@ -41,11 +44,21 @@
# define gcc_fprintf__ __attribute__ ((format(printf,4,5)))
# define gcc_scanf __attribute__ ((format(scanf,1,2)))
# define gcc_used __attribute__ ((used))
+# define gcc_unused __attribute__((unused))
+# define gcc_warn_unused_result __attribute__((warn_unused_result))
/* # define inline inline __attribute__ ((always_inline)) */
# define gcc_noinline __attribute__ ((noinline))
# define gcc_nonnull(...) __attribute__((nonnull(__VA_ARGS__)))
# define gcc_nonnull_all __attribute__((nonnull))
+
+# define gcc_likely(x) __builtin_expect (!!(x), 1)
+# define gcc_unlikely(x) __builtin_expect (!!(x), 0)
+
#else
+# define gcc_unused
+# define gcc_const
+# define gcc_pure
+# define gcc_malloc
# define gcc_must_check
# define gcc_packed
# define gcc_printf
@@ -54,10 +67,16 @@
# define gcc_fprintf__
# define gcc_scanf
# define gcc_used
+# define gcc_unused
+# define gcc_warn_unused_result
/* # define inline */
# define gcc_noinline
# define gcc_nonnull(...)
# define gcc_nonnull_all
+
+# define gcc_likely(x) (x)
+# define gcc_unlikely(x) (x)
+
#endif
#ifdef __cplusplus