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| author | MarcoFalke <falke.marco@gmail.com> | 2022-02-11 17:26:40 +0100 |
|---|---|---|
| committer | MarcoFalke <falke.marco@gmail.com> | 2022-02-11 17:21:44 +0100 |
| commit | fa6065661a86656a29e89ed1a3529cb7103f5394 (patch) | |
| tree | 2e45c008ce1bc6a519aa29f9e3417afed052cea0 /src/core_write.cpp | |
| parent | b79c40b057ec39045d0036d978b3c01a5cf9f712 (diff) | |
| download | bitcoin-fa6065661a86656a29e89ed1a3529cb7103f5394.tar.xz | |
refactor: Avoid unsigned integer overflow in core_write
Diffstat (limited to 'src/core_write.cpp')
| -rw-r--r-- | src/core_write.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/core_write.cpp b/src/core_write.cpp index 5ea62cf3ed..c4b6b8d27e 100644 --- a/src/core_write.cpp +++ b/src/core_write.cpp @@ -65,7 +65,7 @@ std::string FormatScript(const CScript& script) ret += strprintf("0x%x ", HexStr(std::vector<uint8_t>(it2, script.end()))); break; } - return ret.substr(0, ret.size() - 1); + return ret.substr(0, ret.empty() ? ret.npos : ret.size() - 1); } const std::map<unsigned char, std::string> mapSigHashTypes = { |