Fixed EntriesOnSameFileSystem() to avoid using f_fsid, which may be 0

CONTRIBUTORS

@@ -2271,6 +2271,7 @@ Frank Schmirler <vdr@schmirler.de>
  for fixing handling the 'pointer field' in generating and parsing PAT/PMT
  for suggesting to use an "instance id" instead of the "resume id" to distinguish
  recordings of the same broadcast made by different instances of VDR
+ for fixing EntriesOnSameFileSystem() to avoid using f_fsid, which may be 0
 
 Jörn Reder <joern@zyn.de>
  for reporting that a recording may unnecessarily block a device with a CAM, while

HISTORY

@@ -6157,7 +6157,7 @@ Video Disk Recorder Revision History
   Reinhard Nissl).
 - Implemented full handling of subtitling descriptors (thanks to Mikko Tuumanen).
 
-2009-11-01: Version 1.7.10
+2009-11-06: Version 1.7.10
 
 - Updated the Italian OSD texts (thanks to Diego Pierotto).
 - Fixed wrong bracketing in cChannel::SubtitlingType() etc.
@@ -6177,3 +6177,5 @@ Video Disk Recorder Revision History
 - Fixed writing the PCR pid into the PMT in cPatPmtGenerator::GeneratePmt()
   (reported by Rene van den Braken).
 - Added Slovakian language texts (thanks to Milan Hrala).
+- Fixed EntriesOnSameFileSystem() to avoid using f_fsid, which may be 0 (thanks
+  to Frank Schmirler).

tools.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: tools.c 2.3 2009/05/31 11:43:24 kls Exp $
+ * $Id: tools.c 2.4 2009/11/06 15:21:17 kls Exp $
  */
 
 #include "tools.h"
@@ -279,11 +279,11 @@ cString itoa(int n)
 
 bool EntriesOnSameFileSystem(const char *File1, const char *File2)
 {
-  struct statfs statFs;
-  if (statfs(File1, &statFs) == 0) {
-     fsid_t fsid1 = statFs.f_fsid;
-     if (statfs(File2, &statFs) == 0)
-        return memcmp(&statFs.f_fsid, &fsid1, sizeof(fsid1)) == 0;
+  struct stat st;
+  if (stat(File1, &st) == 0) {
+     dev_t dev1 = st.st_dev;
+     if (stat(File2, &st) == 0)
+        return st.st_dev == dev1;
      else
         LOG_ERROR_STR(File2);
      }