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Fix Savannah bug #33663. 

* src/bdf/bdflib.c (_bdf_parse_glyphs): Handle negative values for
ENCODING correctly.
This commit is contained in:
Werner Lemberg 2011-06-29 09:15:54 +02:00
parent da9dbf89c8
commit 96ddc679be
2 changed files with 22 additions and 14 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
2011-06-29 Werner Lemberg <wl@gnu.org>
Fix Savannah bug #33663.
* src/bdf/bdflib.c (_bdf_parse_glyphs): Handle negative values for
ENCODING correctly.
2011-06-24 Werner Lemberg <wl@gnu.org>
* Version 2.4.5 released.

29
src/bdf/bdflib.c
View File

@ -1,6 +1,6 @@
/*
* Copyright 2000 Computing Research Labs, New Mexico State University
* Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010
* Copyright 2001-2011
* Francesco Zappa Nardelli
*
* Permission is hereby granted, free of charge, to any person obtaining a
@ -983,7 +983,7 @@
FT_Error error = BDF_Err_Ok;
/* First check to see if the property has */
/* First check whether the property has */
/* already been added or not. If it has, then */
/* simply ignore it. */
if ( hash_lookup( name, &(font->proptbl) ) )
@ -1276,7 +1276,7 @@
FT_Error error = BDF_Err_Ok;
/* First, check to see if the property already exists in the font. */
/* First, check whether the property already exists in the font. */
if ( ( hn = hash_lookup( name, (hashtable *)font->internal ) ) != 0 )
{
/* The property already exists in the font, so simply replace */
@ -1530,8 +1530,8 @@
goto Exit;
}
/* Check to see whether a glyph is being scanned but should be */
/* ignored because it is an unencoded glyph. */
/* Check whether a glyph is being scanned but should be */
/* ignored because it is an unencoded glyph. */
if ( ( p->flags & _BDF_GLYPH ) &&
p->glyph_enc == -1 &&
p->opts->keep_unencoded == 0 )
@ -1585,17 +1585,18 @@
p->glyph_enc = _bdf_atol( p->list.field[1], 0, 10 );
/* Check that the encoding is in the range [0,65536] because */
/* otherwise p->have (a bitmap with static size) overflows. */
if ( (size_t)p->glyph_enc >= sizeof ( p->have ) * 8 )
/* Check that the encoding is in the range [0,65536] because */
/* otherwise p->have (a bitmap with static size) overflows. */
if ( p->glyph_enc > 0 &&
(size_t)p->glyph_enc >= sizeof ( p->have ) * 8 )
{
error = BDF_Err_Invalid_File_Format;
goto Exit;
}
/* Check to see whether this encoding has already been encountered. */
/* If it has then change it to unencoded so it gets added if */
/* indicated. */
/* Check whether this encoding has already been encountered. */
/* If it has then change it to unencoded so it gets added if */
/* indicated. */
if ( p->glyph_enc >= 0 )
{
if ( _bdf_glyph_modified( p->have, p->glyph_enc ) )
@ -1634,8 +1635,8 @@
}
else
{
/* Unencoded glyph. Check to see whether it should */
/* be added or not. */
/* Unencoded glyph. Check whether it should */
/* be added or not. */
if ( p->opts->keep_unencoded != 0 )
{
/* Allocate the next unencoded glyph. */
@ -1676,7 +1677,7 @@
else
glyph = font->glyphs + ( font->glyphs_used - 1 );
/* Check to see whether a bitmap is being constructed. */
/* Check whether a bitmap is being constructed. */
if ( p->flags & _BDF_BITMAP )
{
/* If there are more rows than are specified in the glyph metrics, */