Michael Niedermayer d8bdc95457 avutil/avstring: Fix bug and undefined behavior in av_strncasecmp() ...

The function in case of n=0 would read more bytes than 0.
The end pointer could be beyond the allocated space, which
is undefined.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6f0e9a8634)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2019-06-27 17:50:47 +02:00

10 KiB

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