}
/*
+ * Work around a bug in some FreeType versions which fail
+ * to correctly bounds check glyph name buffers and overwrite
+ * the stack. As Postscript names have a limit of 127 characters,
+ * this should be sufficient.
+ */
+
+#if FC_GLYPHNAME_MAXLEN < 127
+# define FC_GLYPHNAME_BUFLEN 127
+#else
+# define FC_GLYPHNAME_BUFLEN FC_GLYPHNAME_MAXLEN
+#endif
+
+/*
* Search through a font for a glyph by name. This is
* currently a linear search as there doesn't appear to be
* any defined order within the font
FcFreeTypeGlyphNameIndex (FT_Face face, const FcChar8 *name)
{
FT_UInt gindex;
- FcChar8 name_buf[FC_GLYPHNAME_MAXLEN + 2];
+ FcChar8 name_buf[FC_GLYPHNAME_BUFLEN + 2];
for (gindex = 0; gindex < (FT_UInt) face->num_glyphs; gindex++)
{
- if (FT_Get_Glyph_Name (face, gindex, name_buf, FC_GLYPHNAME_MAXLEN+1) == 0)
+ if (FT_Get_Glyph_Name (face, gindex, name_buf, FC_GLYPHNAME_BUFLEN+1) == 0)
if (!strcmp ((char *) name, (char *) name_buf))
return gindex;
}
*/
if (FcFreeTypeUseNames (face))
{
- FcChar8 name_buf[FC_GLYPHNAME_MAXLEN + 2];
+ FcChar8 name_buf[FC_GLYPHNAME_BUFLEN + 2];
for (glyph = 0; glyph < (FT_UInt) face->num_glyphs; glyph++)
{
- if (FT_Get_Glyph_Name (face, glyph, name_buf, FC_GLYPHNAME_MAXLEN+1) == 0)
+ if (FT_Get_Glyph_Name (face, glyph, name_buf, FC_GLYPHNAME_BUFLEN+1) == 0)
{
ucs4 = FcGlyphNameToUcs4 (name_buf);
if (ucs4 != 0xffff &&