diff options
Diffstat (limited to 'ftparchive/cachedb.cc')
| -rw-r--r-- | ftparchive/cachedb.cc | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/ftparchive/cachedb.cc b/ftparchive/cachedb.cc index c4db88811..f0bfa2a6d 100644 --- a/ftparchive/cachedb.cc +++ b/ftparchive/cachedb.cc @@ -300,11 +300,15 @@ bool CacheDB::LoadContents(bool const &GenOnly) /*}}}*/ static std::string bytes2hex(uint8_t *bytes, size_t length) { - char space[65]; - if (length * 2 > sizeof(space) - 1) length = (sizeof(space) - 1) / 2; - for (size_t i = 0; i < length; i++) - snprintf(&space[i*2], 3, "%02x", bytes[i]); - return std::string(space); + char buf[3]; + std::string space; + + space.reserve(length*2 + 1); + for (size_t i = 0; i < length; i++) { + snprintf(buf, sizeof(buf), "%02x", bytes[i]); + space.append(buf); + } + return space; } static inline unsigned char xdig2num(char const &dig) { |