From 23b5b1336dbabcf3b79889d39906de24712f8066 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 9 Aug 2009 12:45:36 +0200
Subject: [PATCH] Fixed handling file name length on VFAT systems in case they
 contain UTF-8 characters

---
 CONTRIBUTORS |  2 ++
 HISTORY      |  4 +++-
 timers.c     | 18 ++++++++++++++----
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 350f8a2c..dfa7a356 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1079,6 +1079,8 @@ Rolf Ahrenberg <rahrenbe@cc.hut.fi>
  for adding cThread::SetIOPriority() and using it in cRemoveDeletedRecordingsThread
  for suggesting to introduce cDevice::GetOsdSize()
  for adding a note about the meaning of PERCENTAGEDELTA in cRingBuffer::UpdatePercentage()
+ for fixing handling file name length on VFAT systems in case they
+ contain UTF-8 characters
 
 Ralf Klueber <ralf.klueber@vodafone.com>
  for reporting a bug in cutting a recording if there is only a single editing mark
diff --git a/HISTORY b/HISTORY
index 7d3c59c9..b70ab127 100644
--- a/HISTORY
+++ b/HISTORY
@@ -6136,7 +6136,7 @@ Video Disk Recorder Revision History
   file in a wrong way.
 - Fixed variable types in cIndexFile (reported by Udo Richter).
 
-2009-06-21: Version 1.7.9
+2009-08-09: Version 1.7.9
 
 - Fixed storing the current OSD size in case the device has
   changed it in its setup menu (reported by Reinhard Nissl).
@@ -6146,3 +6146,5 @@ Video Disk Recorder Revision History
   filtering.
 - Fixed deleting expired timers if they have the VPS flag set, but the event they
   are assigned to doesn't have a VPS tag.
+- Fixed handling file name length on VFAT systems in case they
+  contain UTF-8 characters (thanks to Rolf Ahrenberg).
diff --git a/timers.c b/timers.c
index 191c0312..a684bb4a 100644
--- a/timers.c
+++ b/timers.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: timers.c 2.2 2009/06/21 14:06:33 kls Exp $
+ * $Id: timers.c 2.3 2009/08/09 12:43:20 kls Exp $
  */
 
 #include "timers.h"
@@ -51,6 +51,11 @@ cTimer::cTimer(bool Instant, bool Pause, cChannel *Channel)
   event = NULL;
   if (Instant && channel)
      snprintf(file, sizeof(file), "%s%s", Setup.MarkInstantRecord ? "@" : "", *Setup.NameInstantRecord ? Setup.NameInstantRecord : channel->Name());
+  if (VfatFileSystem && (Utf8StrLen(file) > VFAT_MAX_FILENAME)) {
+     dsyslog("timer file name too long for VFAT file system: '%s'", file);
+     file[Utf8SymChars(file, VFAT_MAX_FILENAME)] = 0;
+     dsyslog("timer file name truncated to '%s'", file);
+     }
 }
 
 cTimer::cTimer(const cEvent *Event)
@@ -83,6 +88,11 @@ cTimer::cTimer(const cEvent *Event)
   const char *Title = Event->Title();
   if (!isempty(Title))
      Utf8Strn0Cpy(file, Event->Title(), sizeof(file));
+  if (VfatFileSystem && (Utf8StrLen(file) > VFAT_MAX_FILENAME)) {
+     dsyslog("timer file name too long for VFAT file system: '%s'", file);
+     file[Utf8SymChars(file, VFAT_MAX_FILENAME)] = 0;
+     dsyslog("timer file name truncated to '%s'", file);
+     }
   aux = NULL;
   event = NULL; // let SetEvent() be called to get a log message
 }
@@ -296,13 +306,13 @@ bool cTimer::Parse(const char *s)
            p++;
         else
            p = filebuffer;
-        if (strlen(p) > VFAT_MAX_FILENAME) {
+        if (Utf8StrLen(p) > VFAT_MAX_FILENAME) {
            dsyslog("timer file name too long for VFAT file system: '%s'", p);
-           p[VFAT_MAX_FILENAME] = 0;
+           p[Utf8SymChars(p, VFAT_MAX_FILENAME)] = 0;
            dsyslog("timer file name truncated to '%s'", p);
            }
         }
-     Utf8Strn0Cpy(file, filebuffer, MaxFileName);
+     Utf8Strn0Cpy(file, filebuffer, sizeof(file));
      strreplace(file, '|', ':');
      if (isnumber(channelbuffer))
         channel = Channels.GetByNumber(atoi(channelbuffer));