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image: Compare against the true size of the embedded buffer

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When querying whether the run is small enough to fit inside the
pre-allocated temporary buffer, we need to avoid comparing against
sizeof(buf) as buf is a variable length array and so sizeof() is
meaningless.

Reported-by: Edward Zimmermann <Edward.Zimmermann@cib.de>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-02-19 09:54:24 +00:00
parent fb1abbc4bc
commit e7e1ac235f
1 changed files with 1 additions and 1 deletions
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2
src/cairo-image-compositor.c
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@ -2993,7 +2993,7 @@ span_renderer_init (cairo_abstract_span_renderer_t *_r,
r->u.mask.extents = composite->unbounded;
r->u.mask.stride = (r->u.mask.extents.width + 3) & ~3;
if (r->u.mask.extents.height * r->u.mask.stride > (int)sizeof (r->_buf)) {
if (r->u.mask.extents.height * r->u.mask.stride > SZ_BUF) {
r->mask = pixman_image_create_bits (PIXMAN_a8,
r->u.mask.extents.width,
r->u.mask.extents.height,