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-rw-r--r--freetype/src/base/ftgloadr.c4
-rw-r--r--freetype/src/base/ftglyph.c4
-rw-r--r--freetype/src/base/ftgxval.c17
-rw-r--r--freetype/src/base/ftinit.c3
-rw-r--r--freetype/src/base/ftlcdfil.c37
-rw-r--r--freetype/src/base/ftobjs.c121
-rw-r--r--freetype/src/base/ftotval.c9
-rw-r--r--freetype/src/base/ftoutln.c3
-rw-r--r--freetype/src/base/ftpfr.c7
-rw-r--r--freetype/src/base/ftrfork.c4
-rw-r--r--freetype/src/base/ftstream.c14
-rw-r--r--freetype/src/base/ftsystem.c9
12 files changed, 188 insertions, 44 deletions
diff --git a/freetype/src/base/ftgloadr.c b/freetype/src/base/ftgloadr.c
index ac0010ddd..848345019 100644
--- a/freetype/src/base/ftgloadr.c
+++ b/freetype/src/base/ftgloadr.c
@@ -4,7 +4,7 @@
/* */
/* The FreeType glyph loader (body). */
/* */
-/* Copyright 2002, 2003, 2004, 2005, 2006 by */
+/* Copyright 2002, 2003, 2004, 2005, 2006, 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -69,7 +69,7 @@
FT_GlyphLoader_New( FT_Memory memory,
FT_GlyphLoader *aloader )
{
- FT_GlyphLoader loader;
+ FT_GlyphLoader loader = NULL;
FT_Error error;
diff --git a/freetype/src/base/ftglyph.c b/freetype/src/base/ftglyph.c
index 3505d6dde..b22050800 100644
--- a/freetype/src/base/ftglyph.c
+++ b/freetype/src/base/ftglyph.c
@@ -4,7 +4,7 @@
/* */
/* FreeType convenience functions to handle glyphs (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2007, 2008 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2007, 2008, 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -282,7 +282,7 @@
{
FT_Memory memory = library->memory;
FT_Error error;
- FT_Glyph glyph;
+ FT_Glyph glyph = NULL;
*aglyph = 0;
diff --git a/freetype/src/base/ftgxval.c b/freetype/src/base/ftgxval.c
index 32662bed8..aeeb8ce4f 100644
--- a/freetype/src/base/ftgxval.c
+++ b/freetype/src/base/ftgxval.c
@@ -4,7 +4,7 @@
/* */
/* FreeType API for validating TrueTyepGX/AAT tables (body). */
/* */
-/* Copyright 2004, 2005, 2006 by */
+/* Copyright 2004, 2005, 2006, 2010 by */
/* Masatake YAMATO, Redhat K.K, */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
@@ -73,9 +73,14 @@
FT_TrueTypeGX_Free( FT_Face face,
FT_Bytes table )
{
- FT_Memory memory = FT_FACE_MEMORY( face );
+ FT_Memory memory;
+ if ( !face )
+ return;
+
+ memory = FT_FACE_MEMORY( face );
+
FT_FREE( table );
}
@@ -119,7 +124,13 @@
FT_ClassicKern_Free( FT_Face face,
FT_Bytes table )
{
- FT_Memory memory = FT_FACE_MEMORY( face );
+ FT_Memory memory;
+
+
+ if ( !face )
+ return;
+
+ memory = FT_FACE_MEMORY( face );
FT_FREE( table );
diff --git a/freetype/src/base/ftinit.c b/freetype/src/base/ftinit.c
index f94f25a83..305177a7e 100644
--- a/freetype/src/base/ftinit.c
+++ b/freetype/src/base/ftinit.c
@@ -98,7 +98,8 @@
#undef FT_USE_MODULE
#define FT_USE_MODULE( type, x ) MODULE_CLASS_##x,
- enum {
+ enum
+ {
#include FT_CONFIG_MODULES_H
FT_NUM_MODULE_CLASSES
};
diff --git a/freetype/src/base/ftlcdfil.c b/freetype/src/base/ftlcdfil.c
index 80640111c..0da4ba160 100644
--- a/freetype/src/base/ftlcdfil.c
+++ b/freetype/src/base/ftlcdfil.c
@@ -4,7 +4,7 @@
/* */
/* FreeType API for color filtering of subpixel bitmap glyphs (body). */
/* */
-/* Copyright 2006, 2008, 2009 by */
+/* Copyright 2006, 2008, 2009, 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -267,18 +267,31 @@
FT_EXPORT_DEF( FT_Error )
- FT_Library_SetLcdFilter( FT_Library library,
- FT_LcdFilter filter )
+ FT_Library_SetLcdFilterWeights( FT_Library library,
+ unsigned char *weights )
+ {
+ if ( !library || !weights )
+ return FT_Err_Invalid_Argument;
+
+ ft_memcpy( library->lcd_weights, weights, 5 );
+
+ return FT_Err_Ok;
+ }
+
+
+ FT_EXPORT_DEF( FT_Error )
+ FT_Library_SetLcdFilter( FT_Library library,
+ FT_LcdFilter filter )
{
static const FT_Byte light_filter[5] =
- { 0, 85, 86, 85, 0 };
+ { 0x00, 0x55, 0x56, 0x55, 0x00 };
/* the values here sum up to a value larger than 256, */
/* providing a cheap gamma correction */
static const FT_Byte default_filter[5] =
{ 0x10, 0x40, 0x70, 0x40, 0x10 };
- if ( library == NULL )
+ if ( !library )
return FT_Err_Invalid_Argument;
switch ( filter )
@@ -330,12 +343,24 @@
}
library->lcd_filter = filter;
- return 0;
+
+ return FT_Err_Ok;
}
#else /* !FT_CONFIG_OPTION_SUBPIXEL_RENDERING */
FT_EXPORT_DEF( FT_Error )
+ FT_Library_SetLcdFilterWeights( FT_Library library,
+ unsigned char *weights )
+ {
+ FT_UNUSED( library );
+ FT_UNUSED( weights );
+
+ return FT_Err_Unimplemented_Feature;
+ }
+
+
+ FT_EXPORT_DEF( FT_Error )
FT_Library_SetLcdFilter( FT_Library library,
FT_LcdFilter filter )
{
diff --git a/freetype/src/base/ftobjs.c b/freetype/src/base/ftobjs.c
index 46bcd3bb8..aa84cf16f 100644
--- a/freetype/src/base/ftobjs.c
+++ b/freetype/src/base/ftobjs.c
@@ -29,7 +29,6 @@
#include FT_TRUETYPE_TABLES_H
#include FT_TRUETYPE_TAGS_H
#include FT_TRUETYPE_IDS_H
-#include FT_OUTLINE_H
#include FT_SERVICE_SFNT_H
#include FT_SERVICE_POSTSCRIPT_NAME_H
@@ -230,11 +229,11 @@
static FT_Error
ft_glyphslot_init( FT_GlyphSlot slot )
{
- FT_Driver driver = slot->face->driver;
- FT_Driver_Class clazz = driver->clazz;
- FT_Memory memory = driver->root.memory;
- FT_Error error = FT_Err_Ok;
- FT_Slot_Internal internal;
+ FT_Driver driver = slot->face->driver;
+ FT_Driver_Class clazz = driver->clazz;
+ FT_Memory memory = driver->root.memory;
+ FT_Error error = FT_Err_Ok;
+ FT_Slot_Internal internal = NULL;
slot->library = driver->root.library;
@@ -992,6 +991,14 @@
( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE &&
cur[0]->encoding_id == TT_APPLE_ID_UNICODE_32 ) )
{
+#ifdef FT_MAX_CHARMAP_CACHEABLE
+ if ( cur - first > FT_MAX_CHARMAP_CACHEABLE )
+ {
+ FT_ERROR(( "find_unicode_charmap: UCS-4 cmap is found "
+ "at too late position (%d)\n", cur - first ));
+ continue;
+ }
+#endif
face->charmap = cur[0];
return FT_Err_Ok;
}
@@ -1006,6 +1013,14 @@
{
if ( cur[0]->encoding == FT_ENCODING_UNICODE )
{
+#ifdef FT_MAX_CHARMAP_CACHEABLE
+ if ( cur - first > FT_MAX_CHARMAP_CACHEABLE )
+ {
+ FT_ERROR(( "find_unicode_charmap: UCS-2 cmap is found "
+ "at too late position (%d)\n", cur - first ));
+ continue;
+ }
+#endif
face->charmap = cur[0];
return FT_Err_Ok;
}
@@ -1047,6 +1062,14 @@
if ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE &&
cur[0]->encoding_id == TT_APPLE_ID_VARIANT_SELECTOR &&
FT_Get_CMap_Format( cur[0] ) == 14 )
+#ifdef FT_MAX_CHARMAP_CACHEABLE
+ if ( cur - first > FT_MAX_CHARMAP_CACHEABLE )
+ {
+ FT_ERROR(( "find_unicode_charmap: UVS cmap is found "
+ "at too late position (%d)\n", cur - first ));
+ continue;
+ }
+#endif
return cur[0];
}
@@ -1548,11 +1571,25 @@
goto Exit;
if ( FT_READ_USHORT( flags ) )
goto Exit;
- rlen -= 2; /* the flags are part of the resource */
+ FT_TRACE3(( "POST fragment[%d]: offsets=0x%08x, rlen=0x%08x, flags=0x%04x\n",
+ i, offsets[i], rlen, flags ));
+
+ if ( ( flags >> 8 ) == 0 ) /* Comment, should not be loaded */
+ continue;
+
+ /* the flags are part of the resource, so rlen >= 2. */
+ /* but some fonts declare rlen = 0 for empty fragment */
+ if ( rlen > 2 )
+ rlen -= 2;
+ else
+ rlen = 0;
+
if ( ( flags >> 8 ) == type )
len += rlen;
else
{
+ if ( pfb_lenpos + 3 > pfb_len + 2 )
+ goto Exit2;
pfb_data[pfb_lenpos ] = (FT_Byte)( len );
pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 );
pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 );
@@ -1561,6 +1598,8 @@
if ( ( flags >> 8 ) == 5 ) /* End of font mark */
break;
+ if ( pfb_pos + 6 > pfb_len + 2 )
+ goto Exit2;
pfb_data[pfb_pos++] = 0x80;
type = flags >> 8;
@@ -1575,12 +1614,18 @@
}
error = FT_Stream_Read( stream, (FT_Byte *)pfb_data + pfb_pos, rlen );
+ if ( error )
+ goto Exit2;
pfb_pos += rlen;
}
+ if ( pfb_pos + 2 > pfb_len + 2 )
+ goto Exit2;
pfb_data[pfb_pos++] = 0x80;
pfb_data[pfb_pos++] = 3;
+ if ( pfb_lenpos + 3 > pfb_len + 2 )
+ goto Exit2;
pfb_data[pfb_lenpos ] = (FT_Byte)( len );
pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 );
pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 );
@@ -2901,6 +2946,15 @@
{
if ( cur[0]->encoding == encoding )
{
+#ifdef FT_MAX_CHARMAP_CACHEABLE
+ if ( cur - face->charmaps > FT_MAX_CHARMAP_CACHEABLE )
+ {
+ FT_ERROR(( "FT_Select_Charmap: requested charmap is found (%d), "
+ "but in too late position to cache\n",
+ cur - face->charmaps ));
+ continue;
+ }
+#endif
face->charmap = cur[0];
return 0;
}
@@ -2935,6 +2989,15 @@
{
if ( cur[0] == charmap )
{
+#ifdef FT_MAX_CHARMAP_CACHEABLE
+ if ( cur - face->charmaps > FT_MAX_CHARMAP_CACHEABLE )
+ {
+ FT_ERROR(( "FT_Set_Charmap: requested charmap is found (%d), "
+ "but in too late position to cache\n",
+ cur - face->charmaps ));
+ continue;
+ }
+#endif
face->charmap = cur[0];
return 0;
}
@@ -2951,12 +3014,24 @@
FT_Int i;
+ if ( !charmap || !charmap->face )
+ return -1;
+
for ( i = 0; i < charmap->face->num_charmaps; i++ )
if ( charmap->face->charmaps[i] == charmap )
break;
FT_ASSERT( i < charmap->face->num_charmaps );
+#ifdef FT_MAX_CHARMAP_CACHEABLE
+ if ( i > FT_MAX_CHARMAP_CACHEABLE )
+ {
+ FT_ERROR(( "FT_Get_Charmap_Index: requested charmap is found (%d), "
+ "but in too late position to cache\n",
+ i ));
+ return -i;
+ }
+#endif
return i;
}
@@ -3095,7 +3170,7 @@
}
result = cmap->clazz->char_index( cmap, (FT_UInt32)charcode );
}
- return result;
+ return result;
}
@@ -3109,14 +3184,14 @@
FT_UInt gindex = 0;
- if ( face && face->charmap )
+ if ( face && face->charmap && face->num_glyphs )
{
gindex = FT_Get_Char_Index( face, 0 );
- if ( gindex == 0 )
+ if ( gindex == 0 || gindex >= (FT_UInt)face->num_glyphs )
result = FT_Get_Next_Char( face, 0, &gindex );
}
- if ( agindex )
+ if ( agindex )
*agindex = gindex;
return result;
@@ -3134,13 +3209,16 @@
FT_UInt gindex = 0;
- if ( face && face->charmap )
+ if ( face && face->charmap && face->num_glyphs )
{
FT_UInt32 code = (FT_UInt32)charcode;
FT_CMap cmap = FT_CMAP( face->charmap );
- gindex = cmap->clazz->char_next( cmap, &code );
+ do {
+ gindex = cmap->clazz->char_next( cmap, &code );
+ } while ( gindex >= (FT_UInt)face->num_glyphs );
+
result = ( gindex == 0 ) ? 0 : code;
}
@@ -3645,7 +3723,7 @@
FT_Library library = module->library;
FT_Memory memory = library->memory;
FT_Error error;
- FT_ListNode node;
+ FT_ListNode node = NULL;
if ( FT_NEW( node ) )
@@ -3661,7 +3739,7 @@
/* allocate raster object if needed */
if ( clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE &&
- clazz->raster_class->raster_new )
+ clazz->raster_class->raster_new )
{
error = clazz->raster_class->raster_new( memory, &render->raster );
if ( error )
@@ -3702,7 +3780,8 @@
/* release raster object, if any */
- if ( render->raster )
+ if ( render->clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE &&
+ render->raster )
render->clazz->raster_class->raster_done( render->raster );
/* remove from list */
@@ -3842,7 +3921,7 @@
FT_Library library;
- if ( !slot )
+ if ( !slot || !slot->face )
return FT_Err_Invalid_Argument;
library = FT_FACE_LIBRARY( slot->face );
@@ -4029,7 +4108,8 @@
FT_Renderer renderer = FT_RENDERER( module );
- if ( renderer->raster )
+ if ( renderer->clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE &&
+ renderer->raster )
renderer->clazz->raster_class->raster_done( renderer->raster );
}
@@ -4467,6 +4547,8 @@
#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
+ /* documentation is in freetype.h */
+
FT_EXPORT_DEF( FT_Error )
FT_Get_SubGlyph_Info( FT_GlyphSlot glyph,
FT_UInt sub_index,
@@ -4479,7 +4561,8 @@
FT_Error error = FT_Err_Invalid_Argument;
- if ( glyph != NULL &&
+ if ( glyph &&
+ glyph->subglyphs &&
glyph->format == FT_GLYPH_FORMAT_COMPOSITE &&
sub_index < glyph->num_subglyphs )
{
diff --git a/freetype/src/base/ftotval.c b/freetype/src/base/ftotval.c
index 20ed686ee..694fd2b87 100644
--- a/freetype/src/base/ftotval.c
+++ b/freetype/src/base/ftotval.c
@@ -4,7 +4,7 @@
/* */
/* FreeType API for validating OpenType tables (body). */
/* */
-/* Copyright 2004, 2006, 2008 by */
+/* Copyright 2004, 2006, 2008, 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -74,9 +74,14 @@
FT_OpenType_Free( FT_Face face,
FT_Bytes table )
{
- FT_Memory memory = FT_FACE_MEMORY( face );
+ FT_Memory memory;
+ if ( !face )
+ return;
+
+ memory = FT_FACE_MEMORY( face );
+
FT_FREE( table );
}
diff --git a/freetype/src/base/ftoutln.c b/freetype/src/base/ftoutln.c
index b69df84c0..356b15611 100644
--- a/freetype/src/base/ftoutln.c
+++ b/freetype/src/base/ftoutln.c
@@ -990,7 +990,8 @@
int i;
FT_Pos ray_y[3];
- FT_Orientation result[3];
+ FT_Orientation result[3] =
+ { FT_ORIENTATION_NONE, FT_ORIENTATION_NONE, FT_ORIENTATION_NONE };
if ( !outline || outline->n_points <= 0 )
diff --git a/freetype/src/base/ftpfr.c b/freetype/src/base/ftpfr.c
index f9592bb1b..3a0f92d07 100644
--- a/freetype/src/base/ftpfr.c
+++ b/freetype/src/base/ftpfr.c
@@ -4,7 +4,7 @@
/* */
/* FreeType API for accessing PFR-specific data (body). */
/* */
-/* Copyright 2002, 2003, 2004, 2008 by */
+/* Copyright 2002, 2003, 2004, 2008, 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -24,10 +24,11 @@
static FT_Service_PfrMetrics
ft_pfr_check( FT_Face face )
{
- FT_Service_PfrMetrics service;
+ FT_Service_PfrMetrics service = NULL;
- FT_FACE_LOOKUP_SERVICE( face, service, PFR_METRICS );
+ if ( face )
+ FT_FACE_LOOKUP_SERVICE( face, service, PFR_METRICS );
return service;
}
diff --git a/freetype/src/base/ftrfork.c b/freetype/src/base/ftrfork.c
index 133c2de05..f64d28b26 100644
--- a/freetype/src/base/ftrfork.c
+++ b/freetype/src/base/ftrfork.c
@@ -4,7 +4,7 @@
/* */
/* Embedded resource forks accessor (body). */
/* */
-/* Copyright 2004, 2005, 2006, 2007, 2008, 2009 by */
+/* Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010 by */
/* Masatake YAMATO and Redhat K.K. */
/* */
/* FT_Raccess_Get_HeaderInfo() and raccess_guess_darwin_hfsplus() are */
@@ -751,7 +751,7 @@
const char *original_name,
const char *insertion )
{
- char* new_name;
+ char* new_name = NULL;
const char* tmp;
const char* slash;
size_t new_length;
diff --git a/freetype/src/base/ftstream.c b/freetype/src/base/ftstream.c
index b638599db..9b087ac4d 100644
--- a/freetype/src/base/ftstream.c
+++ b/freetype/src/base/ftstream.c
@@ -4,7 +4,7 @@
/* */
/* I/O stream support (body). */
/* */
-/* Copyright 2000-2001, 2002, 2004, 2005, 2006, 2008, 2009 by */
+/* Copyright 2000-2001, 2002, 2004, 2005, 2006, 2008, 2009, 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -246,6 +246,18 @@
/* allocate the frame in memory */
FT_Memory memory = stream->memory;
+
+ /* simple sanity check */
+ if ( count > stream->size )
+ {
+ FT_ERROR(( "FT_Stream_EnterFrame:"
+ " frame size (%lu) larger than stream size (%lu)\n",
+ count, stream->size ));
+
+ error = FT_Err_Invalid_Stream_Operation;
+ goto Exit;
+ }
+
#ifdef FT_DEBUG_MEMORY
/* assume _ft_debug_file and _ft_debug_lineno are already set */
stream->base = (unsigned char*)ft_mem_qalloc( memory, count, &error );
diff --git a/freetype/src/base/ftsystem.c b/freetype/src/base/ftsystem.c
index 4d06d6db5..ba86005c5 100644
--- a/freetype/src/base/ftsystem.c
+++ b/freetype/src/base/ftsystem.c
@@ -4,7 +4,7 @@
/* */
/* ANSI-specific FreeType low-level system interface (body). */
/* */
-/* Copyright 1996-2001, 2002, 2006, 2008, 2009 by */
+/* Copyright 1996-2001, 2002, 2006, 2008, 2009, 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -192,7 +192,9 @@
/* count :: The number of bytes to read from the stream. */
/* */
/* <Return> */
- /* The number of bytes actually read. */
+ /* The number of bytes actually read. If `count' is zero (this is, */
+ /* the function is used for seeking), a non-zero return value */
+ /* indicates an error. */
/* */
FT_CALLBACK_DEF( unsigned long )
ft_ansi_stream_io( FT_Stream stream,
@@ -203,6 +205,9 @@
FT_FILE* file;
+ if ( !count && offset > stream->size )
+ return 1;
+
file = STREAM_FILE( stream );
if ( stream->pos != offset )
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 09:30:34 +0000