[newlib-cygwin/cygwin-3_0-branch] Cygwin: fhandler_*: remove isdevice() and is_auto_device()

[Ken Brown]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=669dbc99962bb565f936ab36bba0101097f9794b

commit 669dbc99962bb565f936ab36bba0101097f9794b
Author: Ken Brown <kbrown@cornell.edu>
Date:   Fri Jul 19 15:39:35 2019 -0400

    Cygwin: fhandler_*: remove isdevice() and is_auto_device()
    
    isdevice() is used only in the definition of is_auto_device().  And
    the latter is used only once, in a context where isdevice() always
    returns true.

Diff:
---
 winsup/cygwin/fhandler.h      | 3 ---
 winsup/cygwin/fhandler_raw.cc | 2 +-
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index 0da87e9..e0a8d41 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -414,7 +414,6 @@ public:
   virtual bool is_tty () const { return false; }
   virtual bool ispipe () const { return false; }
   virtual pid_t get_popen_pid () const {return 0;}
-  virtual bool isdevice () const { return true; }
   virtual bool isfifo () const { return false; }
   virtual int ptsname_r (char *, size_t);
   virtual class fhandler_socket *is_socket () { return NULL; }
@@ -459,7 +458,6 @@ public:
   virtual void seekdir (DIR *, long);
   virtual void rewinddir (DIR *);
   virtual int closedir (DIR *);
-  bool is_auto_device () {return isdevice () && !dev ().isfs ();}
   bool is_fs_special () {return pc.is_fs_special ();}
   bool issymlink () {return pc.issymlink ();}
   bool __reg2 device_access_denied (int);
@@ -1455,7 +1453,6 @@ class fhandler_disk_file: public fhandler_base
   int dup (fhandler_base *child, int);
   void fixup_after_fork (HANDLE parent);
   int mand_lock (int, struct flock *);
-  bool isdevice () const { return false; }
   int __reg2 fstat (struct stat *buf);
   int __reg1 fchmod (mode_t mode);
   int __reg2 fchown (uid_t uid, gid_t gid);
diff --git a/winsup/cygwin/fhandler_raw.cc b/winsup/cygwin/fhandler_raw.cc
index bd47b60..7c341d8 100644
--- a/winsup/cygwin/fhandler_raw.cc
+++ b/winsup/cygwin/fhandler_raw.cc
@@ -38,7 +38,7 @@ fhandler_dev_raw::fstat (struct stat *buf)
   debug_printf ("here");
 
   fhandler_base::fstat (buf);
-  if (is_auto_device ())
+  if (!dev ().isfs ())
     {
       if (get_major () == DEV_TAPE_MAJOR)
 	buf->st_mode = S_IFCHR | STD_RBITS | STD_WBITS | S_IWGRP | S_IWOTH;