unix高级编程源代码.<<unix高级编程>>

				#include	"opend.h"
				#include	
				
				void
				request(char *buf, int nread, int clifd, uid_t uid)
				{
					int		newfd;
				
					if (buf[nread-1] != 0) {
						sprintf(errmsg, "request from uid %d not null terminated: %*.*s\n",
													uid, nread, nread, buf);
						send_err(clifd, -1, errmsg);
						return;
					}
					log_msg("request: %s, from uid %d", buf, uid);
				
							/* parse the arguments, set options */
					if (buf_args(buf, cli_args) < 0) {
						send_err(clifd, -1, errmsg);
						log_msg(errmsg);
						return;
					}
				
					if ( (newfd = open(pathname, oflag)) < 0) {
						sprintf(errmsg, "can't open %s: %s\n",
												pathname, strerror(errno));
						send_err(clifd, -1, errmsg);
						log_msg(errmsg);
						return;
					}
				
							/* send the descriptor */
					if (send_fd(clifd, newfd) < 0)
						log_sys("send_fd error");
					log_msg("sent fd %d over fd %d for %s", newfd, clifd, pathname);
					close(newfd);		/* we're done with descriptor */
				}