Upgrade to upstream 2.4.4

This is necessary to fix several security issues. See b/3344697

Change-Id: Ica5c6387fbd791008199f7994ed03978ed700a69

1 files changed, 39 insertions, 36 deletions

diff --git a/src/psaux/t1decode.c b/src/psaux/t1decode.c
index babf3ba..ea31c51 100644
--- a/src/psaux/t1decode.c
+++ b/src/psaux/t1decode.c
@@ -373,15 +373,6 @@
 #endif
 
 
-    /* we don't want to touch the source code -- use macro trick */
-#define start_point    t1_builder_start_point
-#define check_points   t1_builder_check_points
-#define add_point      t1_builder_add_point
-#define add_point1     t1_builder_add_point1
-#define add_contour    t1_builder_add_contour
-#define close_contour  t1_builder_close_contour
-
-
     /* compute random seed from stack address of parameter */
     seed = (FT_Fixed)( ( (FT_PtrDist)(char*)&seed              ^
                          (FT_PtrDist)(char*)&decoder           ^
@@ -739,8 +730,10 @@
 
           decoder->flex_state        = 1;
           decoder->num_flex_vectors  = 0;
-          if ( start_point( builder, x, y ) ||
-               check_points( builder, 6 )   )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok                                   ||
+               ( error = t1_builder_check_points( builder, 6 ) )
+                 != PSaux_Err_Ok                                   )
             goto Fail;
           break;
 
@@ -757,10 +750,10 @@
             /* point without adding any point to the outline    */
             idx = decoder->num_flex_vectors++;
             if ( idx > 0 && idx < 7 )
-              add_point( builder,
-                         x,
-                         y,
-                         (FT_Byte)( idx == 3 || idx == 6 ) );
+              t1_builder_add_point( builder,
+                                    x,
+                                    y,
+                                    (FT_Byte)( idx == 3 || idx == 6 ) );
           }
           break;
 
@@ -1077,7 +1070,7 @@
         case op_endchar:
           FT_TRACE4(( " endchar\n" ));
 
-          close_contour( builder );
+          t1_builder_close_contour( builder );
 
           /* close hints recording session */
           if ( hinter )
@@ -1176,7 +1169,7 @@
           /* if there is no path, `closepath' is a no-op */
           if ( builder->parse_state == T1_Parse_Have_Path   ||
                builder->parse_state == T1_Parse_Have_Moveto )
-            close_contour( builder );
+            t1_builder_close_contour( builder );
 
           builder->parse_state = T1_Parse_Have_Width;
           break;
@@ -1184,7 +1177,8 @@
         case op_hlineto:
           FT_TRACE4(( " hlineto" ));
 
-          if ( start_point( builder, x, y ) )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok )
             goto Fail;
 
           x += top[0];
@@ -1205,30 +1199,34 @@
         case op_hvcurveto:
           FT_TRACE4(( " hvcurveto" ));
 
-          if ( start_point( builder, x, y ) ||
-               check_points( builder, 3 )   )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok                                   ||
+               ( error = t1_builder_check_points( builder, 3 ) )
+                 != PSaux_Err_Ok                                   )
             goto Fail;
 
           x += top[0];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
           x += top[1];
           y += top[2];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
           y += top[3];
-          add_point( builder, x, y, 1 );
+          t1_builder_add_point( builder, x, y, 1 );
           break;
 
         case op_rlineto:
           FT_TRACE4(( " rlineto" ));
 
-          if ( start_point( builder, x, y ) )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok )
             goto Fail;
 
           x += top[0];
           y += top[1];
 
         Add_Line:
-          if ( add_point1( builder, x, y ) )
+          if ( ( error = t1_builder_add_point1( builder, x, y ) )
+                 != PSaux_Err_Ok )
             goto Fail;
           break;
 
@@ -1248,43 +1246,48 @@
         case op_rrcurveto:
           FT_TRACE4(( " rrcurveto" ));
 
-          if ( start_point( builder, x, y ) ||
-               check_points( builder, 3 )   )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok                                   ||
+               ( error = t1_builder_check_points( builder, 3 ) )
+                 != PSaux_Err_Ok                                   )
             goto Fail;
 
           x += top[0];
           y += top[1];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
 
           x += top[2];
           y += top[3];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
 
           x += top[4];
           y += top[5];
-          add_point( builder, x, y, 1 );
+          t1_builder_add_point( builder, x, y, 1 );
           break;
 
         case op_vhcurveto:
           FT_TRACE4(( " vhcurveto" ));
 
-          if ( start_point( builder, x, y ) ||
-               check_points( builder, 3 )   )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok                                   ||
+               ( error = t1_builder_check_points( builder, 3 ) )
+                 != PSaux_Err_Ok                                   )
             goto Fail;
 
           y += top[0];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
           x += top[1];
           y += top[2];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
           x += top[3];
-          add_point( builder, x, y, 1 );
+          t1_builder_add_point( builder, x, y, 1 );
           break;
 
         case op_vlineto:
           FT_TRACE4(( " vlineto" ));
 
-          if ( start_point( builder, x, y ) )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok )
             goto Fail;
 
           y += top[0];