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-rw-r--r--ftparchive/cachedb.cc14
1 files changed, 9 insertions, 5 deletions
diff --git a/ftparchive/cachedb.cc b/ftparchive/cachedb.cc
index a1d70f912..6eccb8d4a 100644
--- a/ftparchive/cachedb.cc
+++ b/ftparchive/cachedb.cc
@@ -299,11 +299,15 @@ bool CacheDB::LoadContents(bool const &GenOnly)
/*}}}*/
static 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 string(space);
+ char buf[3];
+ 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) {