Don't crash if internal-char-font is called on non-GUI frames.

 src/fontset.c (Finternal_char_font): Return nil on non-GUI frames.
 (Bug#11964)

2 files changed, 7 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 99abda8a884..ce272cc0b53 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2012-11-26  Eli Zaretskii  <eliz@gnu.org>
+
+        * fontset.c (Finternal_char_font): Return nil on non-GUI frames.
+        (Bug#11964)
+
 2012-11-24  Paul Eggert  <eggert@cs.ucla.edu>
 
         Revert recent change for Bug#8855.
diff --git a/src/fontset.c b/src/fontset.c
index da745b31ca1..ed468d33a15 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -1879,6 +1879,8 @@ DEFUN ("internal-char-font", Finternal_char_font, Sinternal_char_font, 1, 2, 0,
     }
   if (! CHAR_VALID_P (c))
     return Qnil;
+  if (!FRAME_WINDOW_P (f))
+    return Qnil;
   face_id = FACE_FOR_CHAR (f, FACE_FROM_ID (f, face_id), c, pos, Qnil);
   face = FACE_FROM_ID (f, face_id);
   if (face->font)