From 7495813792c13f8095053bffe7b362e09df99d83 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Wed, 22 Mar 2017 15:13:06 +0200 Subject: [PATCH] [video_subr] Use memmove() for overlapping memory copy Signed-off-by: Michael Brown --- src/arch/x86/core/video_subr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/arch/x86/core/video_subr.c b/src/arch/x86/core/video_subr.c index 3f701bd9..f5cc4cdd 100644 --- a/src/arch/x86/core/video_subr.c +++ b/src/arch/x86/core/video_subr.c @@ -57,7 +57,7 @@ static void video_scroll(void) { int i; - memcpy(vidmem, vidmem + COLS * 2, (LINES - 1) * COLS * 2); + memmove(vidmem, vidmem + COLS * 2, (LINES - 1) * COLS * 2); for (i = (LINES - 1) * COLS * 2; i < LINES * COLS * 2; i += 2) vidmem[i] = ' '; }