Hi Dan
I haven't used getnameinfo much, so looked it up and found this:
In order to assist the programmer in choosing reasonable sizes for the
supplied buffers, <netdb.h> defines the constants
# define NI_MAXHOST 1025
# define NI_MAXSERV 32
"Daniel P. Berrange" <berrange@xxxxxxxxxx> wrote:
...
> diff -r 1c3780349e89 qemud/remote.c
> --- a/qemud/remote.c Wed Nov 28 12:02:28 2007 -0500
> +++ b/qemud/remote.c Thu Nov 29 09:24:10 2007 -0500
...
> +static char *addrToString(struct qemud_client *client,
> + remote_message_header *req,
> + struct sockaddr_storage *sa, socklen_t salen) {
> + char host[1024], port[20];
> + char *addr;
> + int err;
> +
> + if ((err = getnameinfo((struct sockaddr *)sa, salen,
> + host, sizeof(host),
> + port, sizeof(port),
> + NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
Since it's always good to avoid such literals, how about declaring
those locals like this:
char host[NI_MAXHOST];
port[NI_MAXSERV];
I see that qemud/remote.c already includes <netdb.h>,
but if you're extra cautious, maybe you'd want this:
(though NI_MAXHOST is already used in qemud.c, so maybe not):
#ifndef NI_MAXHOST
# define NI_MAXHOST 1025
#endif
#ifndef NI_MAXSERV
# define NI_MAXSERV 32
#endif
--
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