fix bug of bind API

httpd.c

@@ -429,6 +429,7 @@ void serve_file(int client, const char *filename)
 int startup(u_short *port)
 {
  int httpd = 0;
+ int on = 1;
  struct sockaddr_in name;
 
  httpd = socket(PF_INET, SOCK_STREAM, 0);
@@ -438,6 +439,10 @@ int startup(u_short *port)
  name.sin_family = AF_INET;
  name.sin_port = htons(*port);
  name.sin_addr.s_addr = htonl(INADDR_ANY);
+ if ((setsockopt(httpd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on))) < 0) 
+ { 
+ error_die("setsockopt failed");
+ }
  if (bind(httpd, (struct sockaddr *)&name, sizeof(name)) < 0)
  error_die("bind");
  if (*port == 0) /* if dynamically allocating a port */