include: Add min/max helpers

Signed-off-by: Joshua Ashton <joshua@froggi.es>

diff --git a/include/labwc.h b/include/labwc.h
index 1a575450167ce891d76cbd4cca1fcdd7448355cc..68c5469296b8f99e93c5db8b0e5d2c0110be1373 100644 (file)
--- a/include/labwc.h
+++ b/include/labwc.h
@@ -41,6 +41,16 @@
 #define XCURSOR_SIZE 24
 #define XCURSOR_MOVE "grabbing"
 
+#define max(a,b) \
+       ({ __typeof__ (a) _a = (a); \
+               __typeof__ (b) _b = (b); \
+               _a > _b ? _a : _b; })
+
+#define min(a,b) \
+       ({ __typeof__ (a) _a = (a); \
+               __typeof__ (b) _b = (b); \
+               _a < _b ? _a : _b; })
+
 enum input_mode {
        LAB_INPUT_STATE_PASSTHROUGH = 0,
        LAB_INPUT_STATE_MOVE,