Use memmove instead of memcpy for overlapping areas

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/imap-send.c b/imap-send.c
index 16804ab286a42c0dc2733dccf816ab2173e465af..a6a65680ee6daf062180d2580e83616cfff4cda4 100644 (file)
--- a/imap-send.c
+++ b/imap-send.c
@@ -272,7 +272,7 @@ buffer_gets( buffer_t * b, char **s )
                                n = b->bytes - start;
 
                                if (n)
-                                       memcpy( b->buf, b->buf + start, n );
+                                       memmove(b->buf, b->buf + start, n);
                                b->offset -= start;
                                b->bytes = n;
                                start = 0;