From a11a07231b6b2012d7c6b5d8e52aea7d1fdc877e Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Thu, 29 Apr 2010 08:47:44 +0000
Subject: 	* external.cc (cygwin_internal): Add CW_CVT_MNT_OPTS to allow
 mount 	flag parsing.  Add CW_LST_MNT_OPTS case to allow mount flag listing. 
 * mount.cc (fstab_read_flags): Rename from read_flags.  Make externally 
 available.  Change input string to char ** to allow returning faulty 
 option.  Add flag for avoiding debug output. 	(fstab_list_flags): New
 function to create list of options. 	* include/sys/cygwin.h
 (cygwin_getinfo_types): Add CW_CVT_MNT_OPTS and 	CW_LST_MNT_OPTS.

---
 winsup/cygwin/external.cc | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'winsup/cygwin/external.cc')

diff --git a/winsup/cygwin/external.cc b/winsup/cygwin/external.cc
index bbf675a..c8cbd93 100644
--- a/winsup/cygwin/external.cc
+++ b/winsup/cygwin/external.cc
@@ -474,6 +474,40 @@ cygwin_internal (cygwin_getinfo_types t, ...)
 	  internal_setlocale ();
 	  res = 0;
 	}
+	break;
+      case CW_CVT_MNT_OPTS:
+	{
+	  extern bool fstab_read_flags (char **, unsigned &, bool);
+	  char **option_string = va_arg (arg, char **);
+	  if (!option_string || !*option_string)
+	    set_errno (EINVAL);
+	  else
+	    {
+	      unsigned *pflags = va_arg (arg, unsigned *);
+	      unsigned flags = 0;
+	      if (fstab_read_flags (option_string, flags, true))
+		{
+		  if (pflags)
+		    *pflags = flags;
+		  res = 0;
+		}
+	    }
+	}
+	break;
+      case CW_LST_MNT_OPTS:
+	{
+	  extern char *fstab_list_flags ();
+	  char **option_string = va_arg (arg, char **);
+	  if (!option_string)
+	    set_errno (EINVAL);
+	  else
+	    {
+	      *option_string = fstab_list_flags ();
+	      if (*option_string)
+		res = 0;
+	    }
+	}
+	break;
 
       default:
 	set_errno (ENOSYS);
-- 
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