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david-pic-changes
Werner Lemberg 16 years ago
parent cda6f49332
commit 15b60bb513
13 changed files with 126 additions and 93 deletions
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  1. 52
      ChangeLog
  2. 30
      docs/CHANGES
  3. 2
      include/freetype/internal/services/svpsinfo.h
  4. 13
      include/freetype/internal/t1types.h
  5. 5
      src/base/ftfstype.c
  6. 2
      src/cid/cidload.c
  7. 8
      src/cid/cidriver.c
  8. 2
      src/cid/cidtoken.h
  9. 50
      src/type1/t1driver.c
  10. 2
      src/type1/t1load.c
  11. 2
      src/type1/t1tokens.h
  12. 48
      src/type42/t42drivr.c
  13. 3
      src/type42/t42parse.c

52
ChangeLog
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@ -1,36 +1,50 @@
2009-03-03 David Turner <david@freetype.org>
Update documentation and bump version number to 2.3.9
Update documentation and bump version number to 2.3.9.
* include/freetype/freetype.h: bump patch version to 9
* docs/CHANGES: document the ABI break in 2.3.8
* docs/VERSION.DLL: update version numbers table for 2.3.9
* builds/unix/configure.ac: update AC_INIT and version_info
* include/freetype/freetype.h: Bump patch version to 9.
* docs/CHANGES: Document the ABI break in 2.3.8.
* docs/VERSION.DLL: Update version numbers table for 2.3.9.
* builds/unix/configure.ac: Update AC_INIT and version_info
numbers.
2009-03-03 David Turner <david@freetype.org>
Remove ABI-breaking field in public PS_InfoFontRec definition.
Instead, we define a new internal PS_FontExtraRec structure to
hold the additionnal field, then place it in various internal
positions of the corresponding FT_Face derived objects.
* include/freetype/t1tables.h (PS_FontInfoRec): Remove the
`fs_type' field from the public structure.
* include/freetype/internal/psaux.h (T1_FieldLocation),
include/freetype/internal/t1types.h (T1_FontRec, CID_FaceRec),
src/type1/t1load.c, src/type1/t1tokens.h,
src/cid/cidload.c, src/cid/cidtoken.h,
src/type42/t42parse.c: modify the various font parsers to store
the `fs_type' field in a different places, instead of the public
PS_FontInfoRec.
* include/freetype/internal/services/svpsinfo.h (PsInfo service),
src/base/ftfstype.c (FT_Get_FSType_Flags), src/cff/cffdrivr.c,
src/cid/cidriver.c, src/type1/t1driver.c, src/type42/t42drivr.c:
Modify the PsInfo service to add a GetExtra function, use it in
FT_Get_FSType_Flags() and modify the drivers accordingly.
* include/freetype/internal/psaux.h (T1_FieldLocation): New
enumeration `T1_FIELD_LOCATION_FONT_EXTRA'.
* include/freetype/internal/t1types.h (PS_FontExtraRec): New
structure.
(T1_FontRec, CID_FaceRec): Add it.
* src/cid/cidload.c (cid_load_keyword): Handle
T1_FIELD_LOCATION_FONT_EXTRA.
* src/cid/cidtoken.h, src/type1/t1tokens.h, src/type42/t42parse.c:
Adjust FT_STRUCTURE and T1CODE properly to handle `FSType'.
* src/type1/t1load.c (t1_load_keyword): Handle
T1_FIELD_LOCATION_FONT_EXTRA.
* include/freetype/internal/services/svpsinfo.h (PsInfo service):
Add `PS_GetFontExtraFunc' function typedef.
* src/base/ftfstype.c: Include FT_INTERNAL_SERVICE_H and
FT_SERVICE_POSTSCRIPT_INFO_H.
(FT_Get_FSType_Flags): Use POSTSCRIPT_INFO service.
* src/cff/cffdrivr.c (cff_service_ps_info): Updated.
* src/cid/cidriver.c (cid_ps_get_font_extra): New function.
(cid_service_ps_info): Updated.
* src/type1/t1driver.c (t1_ps_get_font_extra): New function.
(t1_service_ps_info): Updated.
* src/type42/t42drivr.c (t42_ps_get_font_extra): New function.
(t42_service_ps_info): Updated.
2009-03-02 Alexey Kryukov <anagnost@yandex.ru>

30
docs/CHANGES
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@ -2,26 +2,26 @@ CHANGES BETWEEN 2.3.9 and 2.3.8
I. IMPORTANT BUG FIXES
- Very unfortunately, FreeType 2.3.8 contained a change that
broke its official ABI. The end result is that programs compiled
- Very unfortunately, FreeType 2.3.8 contained a change that broke
its official ABI. The end result is that programs compiled
against previous versions of the library, but dynamically linked
to 2.3.8 can experience memory corruption if they call the
FT_Get_PS_Font_Info() function.
to 2.3.8 can experience memory corruption if they call the
`FT_Get_PS_Font_Info' function.
We recommend all users to upgrade to 2.3.9 as soon as possible,
or to downgrade to a previous release of the library if this is
We recommend all users to upgrade to 2.3.9 as soon as possible,
or to downgrade to a previous release of the library if this is
not an option.
The origin of the bug is that a new field was added to the
publicly defined PS_FontInfoRec structure. Unfortunately objects
of this type can be stack or heap allocated by callers of
FT_Get_PS_Font_Info(), resulting in a memory buffer over-write
with its implementation in 2.3.8.
The origin of the bug is that a new field was added to the
publicly defined `PS_FontInfoRec' structure. Unfortunately,
objects of this type can be stack or heap allocated by callers
of `FT_Get_PS_Font_Info', resulting in a memory buffer
overwrite with its implementation in 2.3.8.
If you want to know if your code is vulnerable to this issue,
simply search for the substrings "PS_FontInfo" and
"PS_Font_Info" in your source code. If none is found, your code
is safe and will not be affected.
If you want to know whether your code is vulnerable to this
issue, simply search for the substrings `PS_FontInfo' and
`PS_Font_Info' in your source code. If none is found, your code
is safe and is not affected.
The FreeType team apologizes for the problem.

2
include/freetype/internal/services/svpsinfo.h
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@ -4,7 +4,7 @@
/* */
/* The FreeType PostScript info service (specification). */
/* */
/* Copyright 2003, 2004 by */
/* Copyright 2003, 2004, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */

13
include/freetype/internal/t1types.h
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@ -5,7 +5,7 @@
/* Basic Type1/Type2 type definitions and interface (specification */
/* only). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -92,18 +92,19 @@ FT_BEGIN_HEADER
*
* Note these can't be blended with multiple-masters.
*/
typedef struct PS_FontExtraRec_
typedef struct PS_FontExtraRec_
{
FT_UShort fs_type;
FT_UShort fs_type;
} PS_FontExtraRec;
typedef struct T1_FontRec_
{
PS_FontInfoRec font_info; /* font info dictionary */
PS_FontInfoRec font_info; /* font info dictionary */
PS_FontExtraRec font_extra; /* font info extra fields */
PS_PrivateRec private_dict; /* private dictionary */
FT_String* font_name; /* top-level dictionary */
PS_PrivateRec private_dict; /* private dictionary */
FT_String* font_name; /* top-level dictionary */
T1_EncodingType encoding_type;
T1_EncodingRec encoding;

5
src/base/ftfstype.c
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@ -42,11 +42,10 @@
{
PS_FontExtraRec extra;
if ( !service->ps_get_font_extra( face, &extra ) &&
extra.fs_type != 0 )
{
extra.fs_type != 0 )
return extra.fs_type;
}
}
}

2
src/cid/cidload.c
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@ -4,7 +4,7 @@
/* */
/* CID-keyed Type1 font loader (body). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */

8
src/cid/cidriver.c
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@ -4,7 +4,7 @@
/* */
/* CID driver interface (body). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -74,7 +74,8 @@
PS_FontInfoRec* afont_info )
{
*afont_info = ((CID_Face)face)->cid.font_info;
return 0;
return CID_Err_Ok;
}
static FT_Error
@ -82,7 +83,8 @@
PS_FontExtraRec* afont_extra )
{
*afont_extra = ((CID_Face)face)->font_extra;
return 0;
return CID_Err_Ok;
}
static const FT_Service_PsInfoRec cid_service_ps_info =

2
src/cid/cidtoken.h
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@ -4,7 +4,7 @@
/* */
/* CID token definitions (specification only). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2006, 2008 by */
/* Copyright 1996-2001, 2002, 2003, 2006, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */

50
src/type1/t1driver.c
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@ -4,7 +4,7 @@
/* */
/* Type 1 driver interface (body). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -84,6 +84,7 @@
return 0;
}
static const FT_Service_GlyphDictRec t1_service_glyph_dict =
{
(FT_GlyphDict_GetNameFunc) t1_get_glyph_name,
@ -91,10 +92,10 @@
};
/*
* POSTSCRIPT NAME SERVICE
*
*/
/*
* POSTSCRIPT NAME SERVICE
*
*/
static const char*
t1_get_ps_name( T1_Face face )
@ -102,16 +103,17 @@
return (const char*) face->type1.font_name;
}
static const FT_Service_PsFontNameRec t1_service_ps_name =
{
(FT_PsName_GetFunc)t1_get_ps_name
};
/*
* MULTIPLE MASTERS SERVICE
*
*/
/*
* MULTIPLE MASTERS SERVICE
*
*/
#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT
static const FT_Service_MultiMastersRec t1_service_multi_masters =
@ -125,31 +127,36 @@
#endif
/*
* POSTSCRIPT INFO SERVICE
*
*/
/*
* POSTSCRIPT INFO SERVICE
*
*/
static FT_Error
t1_ps_get_font_info( FT_Face face,
PS_FontInfoRec* afont_info )
{
*afont_info = ((T1_Face)face)->type1.font_info;
return 0;
return T1_Err_Ok;
}
static FT_Error
t1_ps_get_font_extra( FT_Face face,
PS_FontExtraRec* afont_extra )
{
*afont_extra = ((T1_Face)face)->type1.font_extra;
return 0;
return T1_Err_Ok;
}
static FT_Int
t1_ps_has_glyph_names( FT_Face face )
{
FT_UNUSED( face );
return 1;
}
@ -159,7 +166,8 @@
PS_PrivateRec* afont_private )
{
*afont_private = ((T1_Face)face)->type1.private_dict;
return 0;
return T1_Err_Ok;
}
@ -171,6 +179,7 @@
(PS_GetFontPrivateFunc)t1_ps_get_font_private,
};
#ifndef T1_CONFIG_OPTION_NO_AFM
static const FT_Service_KerningRec t1_service_kerning =
{
@ -178,10 +187,11 @@
};
#endif
/*
* SERVICE LIST
*
*/
/*
* SERVICE LIST
*
*/
static const FT_ServiceDescRec t1_services[] =
{

2
src/type1/t1load.c
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@ -4,7 +4,7 @@
/* */
/* Type 1 font loader (body). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */

2
src/type1/t1tokens.h
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@ -4,7 +4,7 @@
/* */
/* Type 1 tokenizer (specification). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */

48
src/type42/t42drivr.c
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@ -4,7 +4,7 @@
/* */
/* High-level Type 42 driver interface (body). */
/* */
/* Copyright 2002, 2003, 2004, 2006, 2007 by Roberto Alameda. */
/* Copyright 2002, 2003, 2004, 2006, 2007, 2009 by Roberto Alameda. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
@ -49,11 +49,11 @@
#define FT_COMPONENT trace_t42
/*
*
* GLYPH DICT SERVICE
*
*/
/*
*
* GLYPH DICT SERVICE
*
*/
static FT_Error
t42_get_glyph_name( T42_Face face,
@ -94,11 +94,11 @@
};
/*
*
* POSTSCRIPT NAME SERVICE
*
*/
/*
*
* POSTSCRIPT NAME SERVICE
*
*/
static const char*
t42_get_ps_font_name( T42_Face face )
@ -113,32 +113,37 @@
};
/*
*
* POSTSCRIPT INFO SERVICE
*
*/
/*
*
* POSTSCRIPT INFO SERVICE
*
*/
static FT_Error
t42_ps_get_font_info( FT_Face face,
PS_FontInfoRec* afont_info )
{
*afont_info = ((T42_Face)face)->type1.font_info;
return T42_Err_Ok;
}
static FT_Error
t42_ps_get_font_extra( FT_Face face,
PS_FontExtraRec* afont_extra )
{
*afont_extra = ((T42_Face)face)->type1.font_extra;
return T42_Err_Ok;
}
static FT_Int
t42_ps_has_glyph_names( FT_Face face )
{
FT_UNUSED( face );
return 1;
}
@ -148,6 +153,7 @@
PS_PrivateRec* afont_private )
{
*afont_private = ((T42_Face)face)->type1.private_dict;
return T42_Err_Ok;
}
@ -161,11 +167,11 @@
};
/*
*
* SERVICE LIST
*
*/
/*
*
* SERVICE LIST
*
*/
static const FT_ServiceDescRec t42_services[] =
{

3
src/type42/t42parse.c
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@ -4,7 +4,8 @@
/* */
/* Type 42 font parser (body). */
/* */
/* Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Roberto Alameda. */
/* Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
/* Roberto Alameda. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */

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