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* src/psaux/psobjs.c (ps_tocoordarray, ps_tofixedarray): Return -1 

in case of parsing error.
(ps_parser_load_field): Updated.

* src/type1/t1load.c (parse_font_matrix): Updated.
This commit is contained in:
Werner Lemberg 2007-06-05 20:50:37 +00:00
parent f4bc3f40b3
commit e5c14d93b8
3 changed files with 52 additions and 11 deletions
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7
ChangeLog
View File

@ -12,6 +12,13 @@
* src/winfnt/winfnt.c (FNT_Face_Init): Check `family_size'.
* src/psaux/psobjs.c (ps_tocoordarray, ps_tofixedarray): Return -1
in case of parsing error.
(ps_parser_load_field): Updated.
* src/type1/t1load.c (parse_font_matrix): Updated.
2007-06-04 Werner Lemberg <wl@gnu.org>
* src/cid/cidgload.c (cid_load_glyph): Check `fd_select'.

47
src/psaux/psobjs.c
View File

@ -785,8 +785,7 @@
if ( c == '[' )
ender = ']';
if ( c == '{' )
else if ( c == '{' )
ender = '}';
if ( ender )
@ -795,7 +794,8 @@
/* now, read the coordinates */
while ( cur < limit )
{
FT_Short dummy;
FT_Short dummy;
FT_Byte* old_cur;
/* skip whitespace in front of data */
@ -812,11 +812,20 @@
break;
}
old_cur = cur;
/* call PS_Conv_ToFixed() even if coords == NULL */
/* to properly parse number at `cur' */
*( coords != NULL ? &coords[count] : &dummy ) =
(FT_Short)( PS_Conv_ToFixed( &cur, limit, 0 ) >> 16 );
count++;
if ( old_cur == cur )
{
count = -1;
goto Exit;
}
else
count++;
if ( !ender )
break;
@ -830,7 +839,7 @@
/* first character must be a delimiter or a part of a number */
/* NB: `values' can be NULL if we just want to skip the */
/* array in this case we ignore `max_values' */
/* array; in this case we ignore `max_values' */
static FT_Int
ps_tofixedarray( FT_Byte* *acur,
@ -854,8 +863,7 @@
if ( c == '[' )
ender = ']';
if ( c == '{' )
else if ( c == '{' )
ender = '}';
if ( ender )
@ -864,7 +872,8 @@
/* now, read the values */
while ( cur < limit )
{
FT_Fixed dummy;
FT_Fixed dummy;
FT_Byte* old_cur;
/* skip whitespace in front of data */
@ -881,11 +890,20 @@
break;
}
old_cur = cur;
/* call PS_Conv_ToFixed() even if coords == NULL */
/* to properly parse number at `cur' */
*( values != NULL ? &values[count] : &dummy ) =
PS_Conv_ToFixed( &cur, limit, power_ten );
count++;
if ( old_cur == cur )
{
count = -1;
goto Exit;
}
else
count++;
if ( !ender )
break;
@ -1161,9 +1179,18 @@
{
FT_Fixed temp[4];
FT_BBox* bbox = (FT_BBox*)q;
FT_Int result;
(void)ps_tofixedarray( &token.start, token.limit, 4, temp, 0 );
result = ps_tofixedarray( &token.start, token.limit, 4, temp, 0 );
if ( result < 0 )
{
FT_ERROR(( "ps_parser_load_field: "
"expected four integers in bounding box\n" ));
error = PSaux_Err_Invalid_File_Format;
goto Exit;
}
bbox->xMin = FT_RoundFix( temp[0] );
bbox->yMin = FT_RoundFix( temp[1] );

9
src/type1/t1load.c
View File

@ -1066,9 +1066,16 @@
FT_Face root = (FT_Face)&face->root;
FT_Fixed temp[6];
FT_Fixed temp_scale;
FT_Int result;
(void)T1_ToFixedArray( parser, 6, temp, 3 );
result = T1_ToFixedArray( parser, 6, temp, 3 );
if ( result < 0 )
{
parser->root.error = T1_Err_Invalid_File_Format;
return;
}
temp_scale = FT_ABS( temp[3] );