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Show error when creating a empty udp package fails, this also fixes a g++ warning

This commit is contained in:
Nikolas Garofil 2010-10-30 22:53:13 +02:00
parent 33db46cef1
commit be9b62f0aa

View File

@ -187,7 +187,9 @@ void print_read_tcpip(struct text_object *obj, char *p, int p_max_size, int prot
}
if(protocol == IPPROTO_UDP) {
//when using udp send a zero-length packet to let the other end know of our existence
(void) write(sock, NULL, 0);
if(write(sock, NULL, 0) < 0) {
NORM_ERR("read_udp: Couldn't create a empty package");
}
}
FD_ZERO(&readfds);
FD_SET(sock, &readfds);