(read_name): Argument changed. Set

OTF_NameRecord->ascii.  If possible, convert Unicode sequence to
ASCII.
(read_name_table): Adjusted for the change of read_name.
(read_cmap_table): Signal an error (not-yet-supported) if format
is 2.  Support for formats, 8, 10, 12.
(read_value_record): Clear value_record at first.
(read_lookup_subtable_gpos): Fix for the case subFormat is 1 and
2.
(OTF_open): Check file name extension.

diff --git a/src/otfopen.c b/src/otfopen.c
index e1f9d05..f6a0832 100644 (file)
--- a/src/otfopen.c
+++ b/src/otfopen.c
@@ -2669,7 +2669,15 @@ OTF_open (char *otf_name)
   void *errret = NULL;
   OTF *otf;
   OTF_InternalData *internal_data;
-
+  int len = strlen (otf_name);
+  const char *ext = otf_name + (len - 4);
+
+  if (len < 4
+      || ext[0] != '.'
+      || (ext[1] != 'O' && ext[1] != 'T' && ext[1] != 'o' && ext[1] != 't')
+      || (ext[2] != 'T' && ext[2] != 't')
+      || (ext[3] != 'F' && ext[3] != 'f'))
+    OTF_ERROR (OTF_ERROR_FILE, otf_name);
   fp = fopen (otf_name, "r");
   if (! fp)
     OTF_ERROR (OTF_ERROR_FILE, otf_name);