[PATCH] Cygwin: make path_conv::isdevice() return false on socket files
Ken Brown
kbrown@cornell.edu
Thu Jul 18 20:02:00 GMT 2019
As a result, socket files are no longer treated as lnk special files.
This prevents rename() from adding ".lnk" when renaming a socket file.
Remove a redundant !pc.issocket() from fhandler_disk_file::link().
---
winsup/cygwin/fhandler_disk_file.cc | 4 ++--
winsup/cygwin/path.h | 2 +-
winsup/cygwin/release/3.0.8 | 3 +++
3 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc
index 193192762..fe4ee6971 100644
--- a/winsup/cygwin/fhandler_disk_file.cc
+++ b/winsup/cygwin/fhandler_disk_file.cc
@@ -1190,10 +1190,10 @@ fhandler_disk_file::link (const char *newpath)
char new_buf[nlen + 5];
if (!newpc.error)
{
- /* If the original file is a lnk special file (except for sockets),
+ /* If the original file is a lnk special file,
and if the original file has a .lnk suffix, add one to the hardlink
as well. */
- if (pc.is_lnk_special () && !pc.issocket ()
+ if (pc.is_lnk_special ()
&& RtlEqualUnicodePathSuffix (pc.get_nt_native_path (),
&ro_u_lnk, TRUE))
{
diff --git a/winsup/cygwin/path.h b/winsup/cygwin/path.h
index 0c94c6152..5571218bd 100644
--- a/winsup/cygwin/path.h
+++ b/winsup/cygwin/path.h
@@ -179,7 +179,7 @@ class path_conv
int issymlink () const {return path_flags & PATH_SYMLINK;}
int is_lnk_symlink () const {return path_flags & PATH_LNK;}
int is_known_reparse_point () const {return path_flags & PATH_REP;}
- int isdevice () const {return dev.not_device (FH_FS) && dev.not_device (FH_FIFO);}
+ int isdevice () const {return dev.not_device (FH_FS) && dev.not_device (FH_FIFO) && !issocket ();}
int isfifo () const {return dev.is_device (FH_FIFO);}
int isspecial () const {return dev.not_device (FH_FS);}
int iscygdrive () const {return dev.is_device (FH_CYGDRIVE);}
diff --git a/winsup/cygwin/release/3.0.8 b/winsup/cygwin/release/3.0.8
index e3734c9b7..11d11db6f 100644
--- a/winsup/cygwin/release/3.0.8
+++ b/winsup/cygwin/release/3.0.8
@@ -11,3 +11,6 @@ Bug Fixes
- Fix a hang when opening a FIFO with O_PATH.
Addresses: https://cygwin.com/ml/cygwin-developers/2019-06/msg00001.html
+
+- Don't append ".lnk" when renaming a socket file.
+ Addresses: https://cygwin.com/ml/cygwin/2019-07/msg00139.html
--
2.21.0
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