common: Make gnupg_exec_tool conform to spec.
* common/exectool.c (gnupg_exec_tool): Allocate extra byte. Allow zero length read. Append hidden byte. Release memory on error.
- Signed-off-by: Werner Koch <wk@gnupg.org>
common: Make gnupg_exec_tool conform to spec. d19d6e1856c9Unpublished Tags None Subscribers None
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