Attachment 95665 Details for Bug 74779 – Reduced version of live test case for reproducing the bug

Reduced version of live test case for reproducing the bug

bug2.c (text/plain), 1.14 KB, created by Uli Schlachter on 2014-03-12 15:28:23 UTC

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Creator: Uli Schlachter

Created: 2014-03-12 15:28:23 UTC

Size: 1.14 KB

patch

obsolete

>#include <cairo.h>
>#include <string.h>
>#define ELEM(x) sizeof(x)/sizeof(x)[0]
>typedef float pt_t[2];
>pt_t const ring_a1[] = {
>    {271594.47f, -985430.3f},
>    {194995.44f, -881359.5f},
>    {194996.66f, -881360.2f},
>    {195125.2f, -881447.44f},
>    {195132.5f, -881455.2f},
>    {195136.06f, -881459.2f},
>    {-881497.2f, 0.f},
>    {194963.28f, -881565.5f},
>    {194961.75f, -881562.5f},
>    {-984558.2f, 0.f}
>};
>int
>main ()
>{
>    cairo_surface_t *surf;
>    cairo_t *cr;
>    unsigned int j;
>    volatile char fill_stack[1024];
>
>    surf = cairo_image_surface_create (0, 256, 256);
>    cr = cairo_create (surf);
>    cairo_scale (cr, 0.026165329093358645, 0.026165329093358645);
>    cairo_translate (cr, -189847.64463277906, 885127.514696734);
>    cairo_set_line_width (cr, 927.3168650511177);
>    for (j = 0; j < ELEM(ring_a1); j++)
>        cairo_line_to (cr, ring_a1[j][0], ring_a1[j][1]);
>    cairo_clip_preserve (cr);
>
>    /* Apparently the bug depends on the stack's content. Using this to have
>     * some garbage on the stack makes this test much more reliable. */
>    memset((void*)fill_stack, 0, sizeof(fill_stack));
>    cairo_stroke (cr);
>    return 0;
>}

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Attachments on bug 74779: 93749 | 95645 | 95646 | 95665 | 104163 | 104273 | 104274 | 105530 | 106407 | 106722

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