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