wineps: Fix EMRPOLYDRAW16 printing.

It fixes EMRPOLYDRAW16 printing when -O2 option is used (in GCC 12.3.1). The compiler assumes that apts table has 0 or 1 elements and optimizes the loop out. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55486

wineps: Fix EMRPOLYDRAW16 printing.
4d26d305 · Piotr Caban · Alexandre Julliard · a59336bc · 4d26d305
Commit 4d26d305 authored Sep 14, 2023 by Piotr Caban Committed by Alexandre Julliard Sep 15, 2023
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printproc.c dlls/wineps.drv/printproc.c +2 -2

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--- a/dlls/wineps.drv/printproc.c
+++ b/dlls/wineps.drv/printproc.c
@@ -2738,8 +2738,8 @@ static int WINAPI hmf_proc(HDC hdc, HANDLETABLE *htable,
        if (!pts) return 0;
        for (i = 0; i < p->cpts; i++)
        {
-            pts[i].x = p->apts[i].x;
-            pts[i].y = p->apts[i].y;
+            pts[i].x = ((const POINTS *)p->apts)[i].x;
+            pts[i].y = ((const POINTS *)p->apts)[i].y;
        }
        i = poly_draw(data->ctx, pts, (BYTE *)(p->apts + p->cpts), p->cpts) &&
            MoveToEx(data->ctx->hdc, pts[p->cpts - 1].x, pts[p->cpts - 1].y, NULL);