Crop VNC update requests to avoid segfaults, by Thomas Tuttle.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2741 c046a42c-6fe2-441c-8c8c-71466251a162
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vnc.c
9
vnc.c
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@ -852,6 +852,15 @@ static void framebuffer_update_request(VncState *vs, int incremental,
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int x_position, int y_position,
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int x_position, int y_position,
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int w, int h)
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int w, int h)
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{
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{
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if (x_position > vs->ds->width)
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x_position = vs->ds->width;
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if (y_position > vs->ds->height)
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y_position = vs->ds->height;
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if (x_position + w >= vs->ds->width)
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w = vs->ds->width - x_position;
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if (y_position + h >= vs->ds->height)
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h = vs->ds->height - y_position;
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int i;
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int i;
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vs->need_update = 1;
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vs->need_update = 1;
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if (!incremental) {
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if (!incremental) {
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