Add a typecheck for the endianness conversions

[fio.git] / os / os.h

diff --git a/os/os.h b/os/os.h
index b8eee66a14501fd2d083dda2920684940b7cb815..df706ab7be4150d8589b2130e96e5c4ef1b09bb6 100644 (file)
--- a/os/os.h
+++ b/os/os.h
@@ -202,23 +202,29 @@ static inline uint64_t fio_swap64(uint64_t val)
 
 #ifdef FIO_INTERNAL
 #define le16_to_cpu(val) ({                    \
+       typecheck(uint16_t, val);               \
        __le16_to_cpu(val);                     \
 })
 #define le32_to_cpu(val) ({                    \
+       typecheck(uint32_t, val);               \
        __le32_to_cpu(val);                     \
 })
 #define le64_to_cpu(val) ({                    \
-       __le64_to_cpu(val);                             \
+       typecheck(uint64_t, val);               \
+       __le64_to_cpu(val);                     \
 })
 #endif
 
 #define cpu_to_le16(val) ({                    \
+       typecheck(uint16_t, val);               \
        __cpu_to_le16(val);                     \
 })
 #define cpu_to_le32(val) ({                    \
+       typecheck(uint32_t, val);               \
        __cpu_to_le32(val);                     \
 })
 #define cpu_to_le64(val) ({                    \
+       typecheck(uint64_t, val);               \
        __cpu_to_le64(val);                     \
 })