----- Original Message ----- From: "John Matthews" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Sunday, June 08, 2008 9:28 AM Subject: [c-prog] Re: verifiying input
--- In [email protected], "Brett McCoy" <[EMAIL PROTECTED]> wrote: > > On Sun, Jun 8, 2008 at 4:29 AM, John Matthews <[EMAIL PROTECTED]> wrote: > > --- In [email protected], "Brett McCoy" <idragosani@> wrote: > >> > >> you need to allocate memory for char > >> *input. And as I said before, buf[] is unnecessary. Create a #define > >> like BUFSZ 10 and use that to allocate the memory using malloc, and > >> remember your buffer needs to be BUFSZ + 1 to hold the terminating > >> '\0'. > > > > Just wondering why you need to use malloc()? Eg. > > You don't need top use malloc() if you create an array, of course, but > he was using a pointer and failed to allocate memory for it, so I was > addressing that. Right, understood. I suspect that perhaps the OP just saw that the argument had to be a pointer, and didn't realise that in this case at least an array would be more appropriate? You have to watch for buffer overflow though. I wouldn't use gets() that's why I used fgets redirected to stdin. Bill
