From: Herbert Xu > Sent: 05 June 2020 13:17 ... > Better yet use strscpy which will even return an error for you. It really ought to return the buffer length on truncation. Then you can loop: while(...) buf += strxxxcpy(buf, src, buf_end - buf); and only check right at the end. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)