Rémi Verschelde 32047ffd9c FileAccess: Don't err in store_buffer with buffer of size 0 ...

The error check was added for `FileAccessUnix` but it's not an error when both
`p_src` and `p_length` are zero.

Added correct error checks to all implementations to prevent the actual
erroneous case: `p_src` is nullptr but `p_length > 0` (risk of null pointer
indexing).

Fixes #33564.

(cherry picked from commit 01d5c463be)

2021-06-07 22:36:07 +02:00

8.8 KiB

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