diff options
Diffstat (limited to 'lib/mesa/src/util/macros.h')
| -rw-r--r-- | lib/mesa/src/util/macros.h | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/lib/mesa/src/util/macros.h b/lib/mesa/src/util/macros.h index 84e4f182b..efb896f4c 100644 --- a/lib/mesa/src/util/macros.h +++ b/lib/mesa/src/util/macros.h @@ -24,6 +24,10 @@ #ifndef UTIL_MACROS_H #define UTIL_MACROS_H +#include <assert.h> + +#include "c99_compat.h" + /* Compute the size of an array */ #ifndef ARRAY_SIZE # define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x))) @@ -150,6 +154,12 @@ do { \ #define ATTRIBUTE_PURE #endif +#ifdef HAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL +#define ATTRIBUTE_RETURNS_NONNULL __attribute__((__returns_nonnull__)) +#else +#define ATTRIBUTE_RETURNS_NONNULL +#endif + #ifdef __cplusplus /** * Macro function that evaluates to true if T is a trivially @@ -157,12 +167,12 @@ do { \ * performs no action and all member variables and base classes are * trivially destructible themselves. */ -# if defined(__GNUC__) -# if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3))) +# if (defined(__clang__) && defined(__has_feature)) +# if __has_feature(has_trivial_destructor) # define HAS_TRIVIAL_DESTRUCTOR(T) __has_trivial_destructor(T) # endif -# elif (defined(__clang__) && defined(__has_feature)) -# if __has_feature(has_trivial_destructor) +# elif defined(__GNUC__) +# if ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3))) # define HAS_TRIVIAL_DESTRUCTOR(T) __has_trivial_destructor(T) # endif # endif @@ -184,7 +194,7 @@ do { \ * inline a static function that we later use in an alias. - ajax */ #ifndef PUBLIC -# if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) +# if defined(__GNUC__) # define PUBLIC __attribute__((visibility("default"))) # define USED __attribute__((used)) # elif defined(_MSC_VER) @@ -202,13 +212,34 @@ do { \ #define UNUSED #endif +#define MAYBE_UNUSED UNUSED + #ifdef HAVE_FUNC_ATTRIBUTE_WARN_UNUSED_RESULT #define MUST_CHECK __attribute__((warn_unused_result)) #else #define MUST_CHECK #endif +#if defined(__GNUC__) +#define ATTRIBUTE_NOINLINE __attribute__((noinline)) +#else +#define ATTRIBUTE_NOINLINE +#endif + /** Compute ceiling of integer quotient of A divided by B. */ #define DIV_ROUND_UP( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 ) +/** Clamp X to [MIN,MAX] */ +#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) ) + +/** Minimum of two values: */ +#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) ) + +/** Maximum of two values: */ +#define MAX2( A, B ) ( (A)>(B) ? (A) : (B) ) + +/** Minimum and maximum of three values: */ +#define MIN3( A, B, C ) ((A) < (B) ? MIN2(A, C) : MIN2(B, C)) +#define MAX3( A, B, C ) ((A) > (B) ? MAX2(A, C) : MAX2(B, C)) + #endif /* UTIL_MACROS_H */ |