diff options
Diffstat (limited to 'include/llvm/ADT/StringExtras.h')
| -rw-r--r-- | include/llvm/ADT/StringExtras.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/llvm/ADT/StringExtras.h b/include/llvm/ADT/StringExtras.h index 71b0e7527cb7..60a03633a8a6 100644 --- a/include/llvm/ADT/StringExtras.h +++ b/include/llvm/ADT/StringExtras.h @@ -139,22 +139,23 @@ inline std::string utohexstr(uint64_t X, bool LowerCase = false) { /// Convert buffer \p Input to its hexadecimal representation. /// The returned string is double the size of \p Input. -inline std::string toHex(StringRef Input) { +inline std::string toHex(StringRef Input, bool LowerCase = false) { static const char *const LUT = "0123456789ABCDEF"; + const uint8_t Offset = LowerCase ? 32 : 0; size_t Length = Input.size(); std::string Output; Output.reserve(2 * Length); for (size_t i = 0; i < Length; ++i) { const unsigned char c = Input[i]; - Output.push_back(LUT[c >> 4]); - Output.push_back(LUT[c & 15]); + Output.push_back(LUT[c >> 4] | Offset); + Output.push_back(LUT[c & 15] | Offset); } return Output; } -inline std::string toHex(ArrayRef<uint8_t> Input) { - return toHex(toStringRef(Input)); +inline std::string toHex(ArrayRef<uint8_t> Input, bool LowerCase = false) { + return toHex(toStringRef(Input), LowerCase); } inline uint8_t hexFromNibbles(char MSB, char LSB) { |