Bryan O'Sullivan avatar Bryan O'Sullivan committed e6921a3

Fix FFI safety of a few calls to make them cheaper.

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Files changed (1)

Database/MySQL/C.hsc

 foreign import ccall unsafe mysql_ping
     :: Ptr MYSQL -> IO CInt
 
-foreign import ccall unsafe mysql_thread_id
+foreign import ccall safe mysql_thread_id
     :: Ptr MYSQL -> IO CULong
 
-foreign import ccall unsafe mysql_errno
+foreign import ccall safe mysql_errno
     :: Ptr MYSQL -> IO CInt
 
-foreign import ccall unsafe mysql_error
+foreign import ccall safe mysql_error
     :: Ptr MYSQL -> IO CString
 
-foreign import ccall unsafe mysql_stmt_errno
+foreign import ccall safe mysql_stmt_errno
     :: Ptr MYSQL_STMT -> IO CInt
 
-foreign import ccall unsafe mysql_stmt_error
+foreign import ccall safe mysql_stmt_error
     :: Ptr MYSQL_STMT -> IO CString
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