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-rw-r--r--include/common.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h
index 6895e5c..9b8804a 100644
--- a/include/common.h
+++ b/include/common.h
@@ -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