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[ft-devel] Segfault with otf and face_index == -1

From: Ville Syrjälä
Subject: [ft-devel] Segfault with otf and face_index == -1
Date: Mon, 17 Oct 2005 23:48:29 +0300
User-agent: Mutt/1.4.2i


When FT_New_Face() is called for an otf font with face_index == -1 
freetype segfaults.

The backtrace looks like this:
#0  0xb557a46c in cff_slot_init (slot=0x8057070) at cffobjs.c:304
#1  0xb55601f8 in ft_glyphslot_init (slot=0x8057070) at ftobjs.c:225
#2  0xb5560550 in FT_New_GlyphSlot (face=0x8056ca0, aslot=0xbfffdda8) at 
#3  0xb5561f84 in FT_Open_Face (library=0x8050b18, args=0xbfffde00, 
face_index=-1, aface=0xbfffde4c) at ftobjs.c:1685
#4  0xb5561039 in FT_New_Face (library=0x8050b18, pathname=0xbffff34b

And it segfaults here:
  FT_LOCAL_DEF( FT_Error )
  cff_slot_init( FT_GlyphSlot  slot )
    CFF_Face          face     = (CFF_Face)slot->face;
    CFF_Font          font     = (CFF_FontRec *)face->;
->   PSHinter_Service  pshinter = (PSHinter_Service)font->pshinter;

The problem is that with face_index == -1 cff_face_init() returns before 
face-> and cff->pshinter are set.

No patch since I'm not sure what the proper fix would be...

Ville Syrjälä

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