2016-09-04 21:24 GMT+02:00 Nicolas George <geo...@nsup.org>: >> Subject: [PATCH] lavc/avpacket: Fix undefined behaviour, >> do not pass a null pointer to memcpy(). > > I read the spec for memcpy(), passing NULL is not stated as an > undefined behaviour if the size if 0. UBSan seems to be > reporting a false positive.
This site claims that ISO disagrees: http://stackoverflow.com/questions/5243012/is-it-guaranteed-to-be-safe-to-perform-memcpy0-0-0 (No opinion whatsoever here, just a ticket.) Carl Eugen _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel