More implicit truncation warning fixes

[folly.git] / folly / Format.cpp

diff --git a/folly/Format.cpp b/folly/Format.cpp
index e6df11419f7dce100dc2113739da6089022c5535..3b11efe59ea6a897b2f2704e2d0957be295b36ab 100644 (file)
--- a/folly/Format.cpp
+++ b/folly/Format.cpp
@@ -294,7 +294,7 @@ void FormatArg::validate(Type type) const {
 
 namespace detail {
 void insertThousandsGroupingUnsafe(char* start_buffer, char** end_buffer) {
-  uint32_t remaining_digits = *end_buffer - start_buffer;
+  uint32_t remaining_digits = uint32_t(*end_buffer - start_buffer);
   uint32_t separator_size = (remaining_digits - 1) / 3;
   uint32_t result_size = remaining_digits + separator_size;
   *end_buffer = *end_buffer + separator_size;