macro: don't redefine CLAMP if it is already defined by glib or some other library

2013-03-20 22:58:40 +01:00
parent d34cd37490
commit 907809fc6a
2 changed files with 2 additions and 1 deletions
@@ -92,6 +92,7 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
 #define MIN3(a,b,c)                             \
        MIN(MIN(a,b),c)

+#ifndef CLAMP
 #define CLAMP(x, low, high)                                             \
        __extension__ ({                                                \
                        typeof(x) _x = (x);                             \
@@ -99,6 +100,7 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
                        typeof(high) _high = (high);                    \
                        ((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \
                })
+#endif

 #define assert_se(expr)                                                 \
        do {                                                            \