Author: Jaroslav Škarvada Description: Fix more crashes on oversized fonts Bug-Redhat: http://bugzilla.redhat.com/show_bug.cgi?id=692909 Index: t1lib-5.1.2/lib/type1/lines.c =================================================================== --- t1lib-5.1.2.orig/lib/type1/lines.c 2007-12-23 09:49:42.000000000 -0600 +++ t1lib-5.1.2/lib/type1/lines.c 2012-01-17 14:15:08.000000000 -0600 @@ -67,6 +67,10 @@ None. */ +#define BITS (sizeof(LONG)*8) +#define HIGHTEST(p) (((p)>>(BITS-2)) != 0) /* includes sign bit */ +#define TOOBIG(xy) ((xy < 0) ? HIGHTEST(-xy) : HIGHTEST(xy)) + /* :h2.StepLine() - Produces Run Ends for a Line After Checks @@ -84,6 +88,9 @@ IfTrace4((LineDebug > 0), ".....StepLine: (%d,%d) to (%d,%d)\n", x1, y1, x2, y2); + if ( TOOBIG(x1) || TOOBIG(x2) || TOOBIG(y1) || TOOBIG(y2)) + abort("Lines this big not supported", 49); + dy = y2 - y1; /* Index: t1lib-5.1.2/lib/type1/objects.c =====
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