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| author | practicalswift <practicalswift@users.noreply.github.com> | 2019-12-11 11:00:52 +0000 |
|---|---|---|
| committer | practicalswift <practicalswift@users.noreply.github.com> | 2019-12-12 11:01:56 +0000 |
| commit | d945c6f5e6f61b6e289ac7da6834c18f1b677b0f (patch) | |
| tree | 59a127942a439fd1bdb344daf929a0acbdd0e0ee /src/util/string.h | |
| parent | ff7a9992263f5a19f73097c86068b6150d213c23 (diff) | |
| download | bitcoin-d945c6f5e6f61b6e289ac7da6834c18f1b677b0f.tar.xz | |
util: Don't allow base58-decoding of std::string:s containing non-base58 characters
Diffstat (limited to 'src/util/string.h')
| -rw-r--r-- | src/util/string.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/util/string.h b/src/util/string.h index 76a83a4949..c6fa08e5b3 100644 --- a/src/util/string.h +++ b/src/util/string.h @@ -5,6 +5,9 @@ #ifndef BITCOIN_UTIL_STRING_H #define BITCOIN_UTIL_STRING_H +#include <attributes.h> + +#include <cstring> #include <string> #include <vector> @@ -31,4 +34,12 @@ inline std::string Join(const std::vector<std::string>& list, const std::string& return Join(list, separator, [](const std::string& i) { return i; }); } +/** + * Check if a string does not contain any embedded NUL (\0) characters + */ +NODISCARD inline bool ValidAsCString(const std::string& str) noexcept +{ + return str.size() == strlen(str.c_str()); +} + #endif // BITCOIN_UTIL_STRENCODINGS_H |