Alexander Egorenkov 2238eb820f zdump/zg: Save errno in _zg_err_errno() ...

_zg_err_errno() should save the current errno value before calling any
libc functions because they could change it. Failing to do so, may result
in _zg_err_errno() displaying an incorrect error message.

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

2021-12-09 16:19:25 +01:00

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