fix test failure on 32 bit windows

ziglang · Nov 10, 2017 · 403a46a · 403a46a
1 parent 6bf1547
commit 403a46a
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/std/io.zig b/std/io.zig
@@ -273,7 +273,9 @@ pub const File = struct {
                     else => os.unexpectedErrorWindows(err),
                 };
             }
-            return @bitCast(usize, file_size);
+            if (file_size < 0)
+                return error.Overflow;
+            return math.cast(usize, u64(file_size));
         } else {
             unreachable;
         }