[Bug 3175] New: 'cp' does not play well with device files with ENABLE_FEATURE_NON_POSIX_CP is selected.
bugzilla at busybox.net
bugzilla at busybox.net
Mon Jan 31 19:44:05 UTC 2011
https://bugs.busybox.net/show_bug.cgi?id=3175
Summary: 'cp' does not play well with device files with
ENABLE_FEATURE_NON_POSIX_CP is selected.
Product: Busybox
Version: 1.18.x
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P5
Component: Other
AssignedTo: unassigned at busybox.net
ReportedBy: caglarakyuz at gmail.com
CC: busybox-cvs at busybox.net
Estimated Hours: 0.0
Issuing following command replaces my device file:
$cp /dev/zero /dev/fb0
Here /dev/fb0 is a device file and I want to clear framebuffer memory, however
cp tries to open device file with O_WRONLY|O_CREAT|O_EXCL and fails to open
device file. Then it unlinks device file and creates a new file on my
file-system. I don't know if this is intentional or not but, IMHO, this
behavior is not expected.
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