From: Antoine Pelisse Date: Sun, 10 Mar 2013 12:11:06 GMT Subject: Re: [PATCH v2 3/6] match_basename: use strncmp instead of strcmp Message-ID: In-Reply-To: >> By the way, if we know the length of the string, we could use memcmp. >> This one is allowed to compare 4-bytes at a time (he doesn't care >> about end of string). This is true because the value of the length >> parameter is no longer "at most". > > We still need to worry about access violation after NUL when two > strings have different lengths. That could be avoided in this > particular case, but I think it's too fragile. Why would we need to compare if the strings don't have the same length ? We already do that in combine-diff.c:append_lost().