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39520546c5
Testing whether a file is a directory by comparing the struct stat
field st_mode against S_IFDIR is wrong. If st_mode has any access
permission bits set along with the file type code the test will always
fail.
The file type encoded in the struct stat field st_mode is actually an
enumeration. To test whether a file is a directory either extract the
file type from st_mode using the mask S_IFMT and compare it against
S_IFDIR or simply use the macro S_ISDIR().
Fixes: b627b8d8e1 ("Initial s390-tools-2.0.0 import")
Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>