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THRIFT-3755 TDebugProtocol::writeString hits assert in isprint on Windows with debug CRT

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This closes #960
This commit is contained in:
tpcwang 2016-03-23 15:22:33 -07:00 committed by Nobuaki Sukegawa
parent 6657b8337d
commit 3bf5bf9933
1 changed files with 3 additions and 1 deletions
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4
lib/cpp/src/thrift/protocol/TDebugProtocol.cpp
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@ -347,7 +347,9 @@ uint32_t TDebugProtocol::writeString(const string& str) {
output += "\\\\";
} else if (*it == '"') {
output += "\\\"";
} else if (std::isprint(*it)) {
// passing characters <0 to std::isprint causes asserts. isprint takes an
// int, so we need to be careful of sign extension
} else if (std::isprint((unsigned char)*it)) {
output += *it;
} else {
switch (*it) {