>-----Original Message----- >From: Eric Lemings [mailto:[EMAIL PROTECTED] >Sent: Thursday, April 10, 2008 5:42 PM >To: dev@stdcxx.apache.org >Subject: Null src pointer in memcpy? > > >Is it safe to pass a null pointer as the 2nd argument to memcpy()? Or >undefined? >
The function is documented to copy n bytes from s2 into s1. If n is non-zero, then it must attempt to copy that many bytes from s2. So it is safe only when the third parameter is 0. >Brad. > >
