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* fhandler_nodevice.cc (fhandler_nodevice::open): Convert EROFS to

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ENOENT if non-existent file got opened for reading only.  Explain why.
	* path.cc (path_conv::check): Stick to ENOENT if file has been opened
	for informational purposes only.  Add to comment.
This commit is contained in:
Corinna Vinschen
2012-04-04 12:45:24 +00:00
parent ce508e512a
commit ffcd2c3f89
3 changed files with 17 additions and 3 deletions
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7
winsup/cygwin/path.cc
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@@ -889,8 +889,11 @@ is_virtual_symlink:
subsequent code handles the file correctly.
Unless /dev itself doesn't exist on disk. In that case /dev
is handled as virtual filesystem, and virtual filesystems are
read-only. */
if (sym.error == ENOENT)
read-only. The PC_KEEP_HANDLE check allows to check for
a call from an informational system call. In that case we
just stick to ENOENT, and the device type doesn't matter
anyway. */
if (sym.error == ENOENT && !(opt & PC_KEEP_HANDLE))
sym.error = EROFS;
else
dev.d.devn = FH_FS;