@@ -47,6 +47,21 @@ extern "C" {
#define min(a, b) MIN(a, b) /* glue for linux kernel source */
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
+#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
+
+#define min_t(t,x,y) ({ \
+ typeof((x)) _x = (x); \
+ typeof((y)) _y = (y); \
+ (_x < _y) ? _x : _y; \
+})
+
+#define max_t(t,x,y) ({ \
+ typeof((x)) _x = (x); \
+ typeof((y)) _y = (y); \
+ (_x > _y) ? _x : _y; \
+})
+
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
This patch adds four macros: ALIGN, __ALIGN_MASK, min_t and max_t to include/common.h. Signed-off-by: hujianyang <hujianyang@huawei.com> --- include/common.h | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-)