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debug: Fix crash handling null strings #31523

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debug: Fix crash handling null strings #31523

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debug: Fix crash handling null strings
rustyconover Jan 26, 2020
6727bc0
Add test and fix nit.
rustyconover Jan 26, 2020
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4 changes: 3 additions & 1 deletion src/debug_utils-inl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,9 @@ struct ToStringHelper {
enable_if<std::is_arithmetic<T>::value, bool>::type,
typename dummy = bool>
static std::string Convert(const T& value) { return std::to_string(value); }
static std::string Convert(const char* value) { return value; }
static std::string Convert(const char* value) {
return value ? value : "(null)";
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}
static std::string Convert(const std::string& value) { return value; }
static std::string Convert(bool value) { return value ? "true" : "false"; }
};
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