Philip Withnall 66ab836f5a gsubprocess: Fix a critical calling communicate() with no pipes ...

If calling g_subprocess_communicate() on a GSubprocess with no
stdout/stderr pipe, a critical warning would be emitted from
g_memory_output_stream_steal_as_bytes(), as it would be called on a NULL
output stream.

Fix that, improve the relevant GIR annotations, and expand the unit
tests to cover it (and various other combinations of flags).

Signed-off-by: Philip Withnall <withnall@endlessm.com>

https://bugzilla.gnome.org/show_bug.cgi?id=793331

2018-02-13 16:27:32 +00:00

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