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| author | Wladimir J. van der Laan <laanwj@gmail.com> | 2017-02-27 07:43:37 +0100 |
|---|---|---|
| committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2017-02-27 10:02:45 +0100 |
| commit | 0a177148e7dbac2e88ddc142f0ef10c6a4de8ec8 (patch) | |
| tree | fa494a94a4bcd03d5138d5047b22c22e1b93a430 /src/uint256.cpp | |
| parent | 6206252e5073c1cde2e313f2e5a3ca17582c5823 (diff) | |
| download | bitcoin-0a177148e7dbac2e88ddc142f0ef10c6a4de8ec8.tar.xz | |
uint256: replace sprintf with HexStr and reverse-iterator
Instead of calling sprintf for every byte, format the hex bytes
ourselves by help of HexStr and a reverse_iterator.
Diffstat (limited to 'src/uint256.cpp')
| -rw-r--r-- | src/uint256.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/src/uint256.cpp b/src/uint256.cpp index bd3d017085..c4c7b716fe 100644 --- a/src/uint256.cpp +++ b/src/uint256.cpp @@ -20,10 +20,7 @@ base_blob<BITS>::base_blob(const std::vector<unsigned char>& vch) template <unsigned int BITS> std::string base_blob<BITS>::GetHex() const { - char psz[sizeof(data) * 2 + 1]; - for (unsigned int i = 0; i < sizeof(data); i++) - sprintf(psz + i * 2, "%02x", data[sizeof(data) - i - 1]); - return std::string(psz, psz + sizeof(data) * 2); + return HexStr(std::reverse_iterator<const uint8_t*>(data + sizeof(data)), std::reverse_iterator<const uint8_t*>(data)); } template <unsigned int BITS> |