uni-t-dmm: style nits, copy loop vs memmove

diff --git a/src/hardware/uni-t-dmm/protocol.c b/src/hardware/uni-t-dmm/protocol.c
index 111770838f077310559b8fbbbc765c995734d2c1..94abb16bc8ae1277d07d5bf8511999803469c8e6 100644 (file)
--- a/src/hardware/uni-t-dmm/protocol.c
+++ b/src/hardware/uni-t-dmm/protocol.c
@@ -258,8 +258,8 @@ static int get_and_handle_data(struct sr_dev_inst *sdi)
        }
 
        /* Move remaining bytes to beginning of buffer. */
-       for (i = 0; i < devc->buflen - devc->bufoffset; i++)
-               pbuf[i] = pbuf[devc->bufoffset + i];
+       if (devc->bufoffset < devc->buflen)
+               memmove(pbuf, pbuf + devc->bufoffset, devc->buflen - devc->bufoffset);
        devc->buflen -= devc->bufoffset;
 
        return SR_OK;