[newlib-cygwin] cygwin_conv_path: Really always preserve trailing slash in conversion to POSIX path

[newlib-cygwin] cygwin_conv_path: Really always preserve trailing slash in conversion to POSIX path

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=4c59f62ef968d8ac3da12a6aa88b81c45e4e1438

commit 4c59f62ef968d8ac3da12a6aa88b81c45e4e1438
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Mon Feb 15 16:25:10 2016 +0100

    cygwin_conv_path: Really always preserve trailing slash in conversion to POSIX path
    
    	* mount.cc (mount_info::conv_to_posix_path): Account for scenarios
    	where the path is identical to a mount point in terms of preserving
    	the trailing slash in the output.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/mount.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/mount.cc b/winsup/cygwin/mount.cc
index 961d34b..ece8745 100644
--- a/winsup/cygwin/mount.cc
+++ b/winsup/cygwin/mount.cc
@@ -959,7 +959,7 @@ mount_info::conv_to_posix_path (const char *src_path, char *posix_path,
       if ((mi.posix_pathlen + (pathbuflen - mi.native_pathlen) + addslash) >= NT_MAX_PATH)
 	return ENAMETOOLONG;
       strcpy (posix_path, mi.posix_path);
-      if (addslash)
+      if (addslash || (!nextchar && append_slash))
 	strcat (posix_path, "/");
       if (nextchar)
 	slashify (p,