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-rw-r--r--src/common/cbasetypes.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/common/cbasetypes.h b/src/common/cbasetypes.h
index bfe8bf8f8..82ca9df69 100644
--- a/src/common/cbasetypes.h
+++ b/src/common/cbasetypes.h
@@ -300,6 +300,8 @@ typedef char bool;
#endif
#endif
+#define swap_ptr(a,b) if ((a) != (b)) ((a) = (void*)((intptr_t)(a) ^ (intptr_t)(b)), (b) = (void*)((intptr_t)(a) ^ (intptr_t)(b)), (a) = (void*)((intptr_t)(a) ^ (intptr_t)(b)))
+
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#endif