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-rw-r--r--include/stdckdint.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/stdckdint.h b/include/stdckdint.h
new file mode 100644
index 00000000..52c88a12
--- /dev/null
+++ b/include/stdckdint.h
@@ -0,0 +1,8 @@
+#ifndef __STDCKDINT_H
+#define __STDCKDINT_H
+
+#define ckd_add(R, A, B) __builtin_add_overflow((A), (B), (R))
+#define ckd_sub(R, A, B) __builtin_sub_overflow((A), (B), (R))
+#define ckd_mul(R, A, B) __builtin_mul_overflow((A), (B), (R))
+
+#endif