Fix a rapidjson compile error in mac.

Summary:
This diff fixes the following compilation error in mac.
  ./third-party/rapidjson/reader.h:422:31: error: comparison of constant 256 with expression of type 'Ch' (aka 'char') is always true
        [-Werror,-Wtautological-constant-out-of-range-compare]
                                  if ((sizeof(Ch) == 1 || e < 256) && escape[(unsigned char)e])
                                                          ~ ^ ~~~
  1 error generated.

Test Plan: make db_test

Reviewers: haobo, sdong, igor, ljin

Reviewed By: ljin

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D19245
This commit is contained in:
Yueh-Hsuan Chiang 2014-06-23 17:09:24 -06:00
parent 854abaf777
commit 96663410b0

View File

@ -419,7 +419,7 @@ private:
Ch c = s.Take();
if (c == '\\') { // Escape
Ch e = s.Take();
if ((sizeof(Ch) == 1 || e < 256) && escape[(unsigned char)e])
if ((sizeof(Ch) == 1 || (int)e < 256) && escape[(unsigned char)e])
RAPIDJSON_PUT(escape[(unsigned char)e]);
else if (e == 'u') { // Unicode
unsigned codepoint = ParseHex4(s);