Fixed a crash if no fonts are found

CONTRIBUTORS

@@ -744,6 +744,7 @@ Georg Hitsch <georg@hitsch.at>
 Clemens Kirchgatterer <clemens@thf.ath.cx>
  for suggesting to change source directory name for plugins from 'SRC' to 'src'
  for reporting a problem with user defined CFLAGS in libdtv/libvdr/Makefile
+ for suggesting an error log message if no fonts are found
 
 Emil Naepflein <Emil.Naepflein@philosys.de>
  for suggesting to take an active SVDRP connection into account when doing shutdown or
@@ -2231,3 +2232,6 @@ Yarema Aka Knedlyk <yupadmin@gmail.com>
 
 Lauri Nurmi <lanurmi@iki.fi>
  for adding a missing '.' to the date returned by DayDateTime()
+
+Mario Ivankovits <mario@ops.co.at>
+ for fixing a crash if no fonts are found

HISTORY

@@ -5514,3 +5514,5 @@ Video Disk Recorder Revision History
   Stefan Huelswitt). The 'newplugin' and 'i18n-to-gettext.pl' scripts have been
   changed accordingly. Plugin authors may want to adjust the 'i18n' target
   of their Makefiles.
+- Fixed a crash if no fonts are found (thanks to Mario Ivankovits and Clemens
+  Kirchgatterer).

font.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: font.c 1.21 2007/06/23 11:25:42 kls Exp $
+ * $Id: font.c 1.22 2007/11/04 11:08:12 kls Exp $
  */
 
 #include "font.h"
@@ -395,6 +395,7 @@ cString cFont::GetFontFileName(const char *FontName)
      FcConfigSubstitute(NULL, pat, FcMatchPattern);
      FcDefaultSubstitute(pat);
      FcFontSet *fontset = FcFontSort(NULL, pat, FcFalse, NULL, NULL);
+     if (fontset) {
         for (int i = 0; i < fontset->nfont; i++) {
             FcBool scalable;
             FcPatternGetBool(fontset->fonts[i], FC_SCALABLE, 0, &scalable);
@@ -406,6 +407,9 @@ cString cFont::GetFontFileName(const char *FontName)
                }
             }
         FcFontSetDestroy(fontset);
+        }
+     else
+        esyslog("ERROR: no usable font found for '%s'", FontName);
      FcPatternDestroy(pat);
      free(fn);
      FcFini();