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[cff] Fix Savannah bug #43658. 

* src/cff/cf2ft.c (cf2_builder_lineTo, cf2_builder_cubeTo): Handle
return values of point allocation routines.
This commit is contained in:
Werner Lemberg 2014-11-22 09:16:39 +01:00
parent 801b35fe81
commit 5f201ab5c2
2 changed files with 45 additions and 10 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2014-11-22 Werner Lemberg <wl@gnu.org>
[cff] Fix Savannah bug #43658.
* src/cff/cf2ft.c (cf2_builder_lineTo, cf2_builder_cubeTo): Handle
return values of point allocation routines.
2014-11-22 Werner Lemberg <wl@gnu.org> 2014-11-22 Werner Lemberg <wl@gnu.org>
[sfnt] Fix Savannah bug #43656. [sfnt] Fix Savannah bug #43656.

48
src/cff/cf2ft.c
View File

@ -142,6 +142,8 @@
cf2_builder_lineTo( CF2_OutlineCallbacks callbacks, cf2_builder_lineTo( CF2_OutlineCallbacks callbacks,
const CF2_CallbackParams params ) const CF2_CallbackParams params )
{ {
FT_Error error;
/* downcast the object pointer */ /* downcast the object pointer */
CF2_Outline outline = (CF2_Outline)callbacks; CF2_Outline outline = (CF2_Outline)callbacks;
CFF_Builder* builder; CFF_Builder* builder;
@ -156,15 +158,27 @@
{ {
/* record the move before the line; also check points and set */ /* record the move before the line; also check points and set */
/* `path_begun' */ /* `path_begun' */
cff_builder_start_point( builder, error = cff_builder_start_point( builder,
params->pt0.x, params->pt0.x,
params->pt0.y ); params->pt0.y );
if ( error )
{
if ( !*callbacks->error )
*callbacks->error = error;
return;
}
} }
/* `cff_builder_add_point1' includes a check_points call for one point */ /* `cff_builder_add_point1' includes a check_points call for one point */
cff_builder_add_point1( builder, error = cff_builder_add_point1( builder,
params->pt1.x, params->pt1.x,
params->pt1.y ); params->pt1.y );
if ( error )
{
if ( !*callbacks->error )
*callbacks->error = error;
return;
}
} }
@ -172,6 +186,8 @@
cf2_builder_cubeTo( CF2_OutlineCallbacks callbacks, cf2_builder_cubeTo( CF2_OutlineCallbacks callbacks,
const CF2_CallbackParams params ) const CF2_CallbackParams params )
{ {
FT_Error error;
/* downcast the object pointer */ /* downcast the object pointer */
CF2_Outline outline = (CF2_Outline)callbacks; CF2_Outline outline = (CF2_Outline)callbacks;
CFF_Builder* builder; CFF_Builder* builder;
@ -186,13 +202,25 @@
{ {
/* record the move before the line; also check points and set */ /* record the move before the line; also check points and set */
/* `path_begun' */ /* `path_begun' */
cff_builder_start_point( builder, error = cff_builder_start_point( builder,
params->pt0.x, params->pt0.x,
params->pt0.y ); params->pt0.y );
if ( error )
{
if ( !*callbacks->error )
*callbacks->error = error;
return;
}
} }
/* prepare room for 3 points: 2 off-curve, 1 on-curve */ /* prepare room for 3 points: 2 off-curve, 1 on-curve */
cff_check_points( builder, 3 ); error = cff_check_points( builder, 3 );
if ( error )
{
if ( !*callbacks->error )
*callbacks->error = error;
return;
}
cff_builder_add_point( builder, cff_builder_add_point( builder,
params->pt1.x, params->pt1.x,