[video_subr] Use memmove() for overlapping memory copy
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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@ -57,7 +57,7 @@ static void video_scroll(void)
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{
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int i;
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memcpy(vidmem, vidmem + COLS * 2, (LINES - 1) * COLS * 2);
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memmove(vidmem, vidmem + COLS * 2, (LINES - 1) * COLS * 2);
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for (i = (LINES - 1) * COLS * 2; i < LINES * COLS * 2; i += 2)
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vidmem[i] = ' ';
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}
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