This is the same set used by libxc.

Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
CC: Ian Campbell <ian.campb...@citrix.com>
CC: Ian Jackson <ian.jack...@eu.citrix.com>
CC: Wei Liu <wei.l...@citrix.com>
---
 tools/libxl/libxl_internal.h |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 934465a..a2b6fb7 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -108,6 +108,22 @@
 
 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
 
+#define min(X, Y) ({                             \
+            const typeof (X) _x = (X);           \
+            const typeof (Y) _y = (Y);           \
+            (void) (&_x == &_y);                 \
+            (_x < _y) ? _x : _y; })
+#define max(X, Y) ({                             \
+            const typeof (X) _x = (X);           \
+            const typeof (Y) _y = (Y);           \
+            (void) (&_x == &_y);                 \
+            (_x > _y) ? _x : _y; })
+
+#define min_t(type,x,y) \
+        ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
+#define max_t(type,x,y) \
+        ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
+
 #define LIBXL__LOGGING_ENABLED
 
 #ifdef LIBXL__LOGGING_ENABLED
-- 
1.7.10.4


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