do potentially precision-losing conversions explicitly

1 files changed, 4 insertions, 4 deletions

diff --git a/include/rapidjson/pointer.h b/include/rapidjson/pointer.h
index eddeab42..94449381 100644
--- a/include/rapidjson/pointer.h
+++ b/include/rapidjson/pointer.h
@@ -987,11 +987,11 @@ private:
             src_++;
             Ch c = 0;
             for (int j = 0; j < 2; j++) {
-                c <<= 4;
+                c = static_cast<Ch>(c << 4);
                 Ch h = *src_;
-                if      (h >= '0' && h <= '9') c += h - '0';
-                else if (h >= 'A' && h <= 'F') c += h - 'A' + 10;
-                else if (h >= 'a' && h <= 'f') c += h - 'a' + 10;
+                if      (h >= '0' && h <= '9') c = static_cast<Ch>(c + h - '0');
+                else if (h >= 'A' && h <= 'F') c = static_cast<Ch>(c + h - 'A' + 10);
+                else if (h >= 'a' && h <= 'f') c = static_cast<Ch>(c + h - 'a' + 10);
                 else {
                     valid_ = false;
                     return 0;