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[bdf] Fix Savannah bug #35641. 

* src/bdf/bdflib.c (_bdf_parse_glyphs) <DWIDTH, BBX>: Abort if
_BDF_ENCODING isn't set.  We need this because access to the `glyph'
variable might be undefined otherwise.
This commit is contained in:
Werner Lemberg 2012-03-01 08:55:40 +01:00
parent 5dddcc45a0
commit 4086fb7caf
2 changed files with 21 additions and 6 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2012-02-29 Werner Lemberg <wl@gnu.org>
[bdf] Fix Savannah bug #35641.
* src/bdf/bdflib.c (_bdf_parse_glyphs) <DWIDTH, BBX>: Abort if
_BDF_ENCODING isn't set. We need this because access to the `glyph'
variable might be undefined otherwise.
2012-02-29 Werner Lemberg <wl@gnu.org> 2012-02-29 Werner Lemberg <wl@gnu.org>
[truetype] Fix Savannah bug #35640. [truetype] Fix Savannah bug #35640.

19
src/bdf/bdflib.c
View File

@ -1779,12 +1779,7 @@
if ( ft_memcmp( line, "SWIDTH", 6 ) == 0 ) if ( ft_memcmp( line, "SWIDTH", 6 ) == 0 )
{ {
if ( !( p->flags & _BDF_ENCODING ) ) if ( !( p->flags & _BDF_ENCODING ) )
{ goto Missing_Encoding;
/* Missing ENCODING field. */
FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "ENCODING" ));
error = BDF_Err_Missing_Encoding_Field;
goto Exit;
}
error = _bdf_list_split( &p->list, (char *)" +", line, linelen ); error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
if ( error ) if ( error )
@ -1799,6 +1794,9 @@
/* Expect the DWIDTH (scalable width) field next. */ /* Expect the DWIDTH (scalable width) field next. */
if ( ft_memcmp( line, "DWIDTH", 6 ) == 0 ) if ( ft_memcmp( line, "DWIDTH", 6 ) == 0 )
{ {
if ( !( p->flags & _BDF_ENCODING ) )
goto Missing_Encoding;
error = _bdf_list_split( &p->list, (char *)" +", line, linelen ); error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
if ( error ) if ( error )
goto Exit; goto Exit;
@ -1824,6 +1822,9 @@
/* Expect the BBX field next. */ /* Expect the BBX field next. */
if ( ft_memcmp( line, "BBX", 3 ) == 0 ) if ( ft_memcmp( line, "BBX", 3 ) == 0 )
{ {
if ( !( p->flags & _BDF_ENCODING ) )
goto Missing_Encoding;
error = _bdf_list_split( &p->list, (char *)" +", line, linelen ); error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
if ( error ) if ( error )
goto Exit; goto Exit;
@ -1924,6 +1925,12 @@
FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG9, lineno )); FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG9, lineno ));
error = BDF_Err_Invalid_File_Format; error = BDF_Err_Invalid_File_Format;
goto Exit;
Missing_Encoding:
/* Missing ENCODING field. */
FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "ENCODING" ));
error = BDF_Err_Missing_Encoding_Field;
Exit: Exit:
if ( error && ( p->flags & _BDF_GLYPH ) ) if ( error && ( p->flags & _BDF_GLYPH ) )