get it to build

SICSmain.c

@@ -20,6 +20,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <unistd.h>
 #include "nserver.h"
 #include "servlog.h"
 
@@ -32,6 +33,12 @@ pServer pServ = NULL;
 
 #define DEFAULTINIFILE "servo.tcl"
 
+int usage(const char *name)
+{
+  fprintf(stderr, "usage: %s [-d] [-nolog] <config.tcl>\n", name);
+  return 1;
+}
+
 /*---------------------------------------------------------------------------
   The Servers Main program. May take one argument: the name of an 
   initialisation file
@@ -40,22 +47,36 @@ pServer pServ = NULL;
 int main(int argc, char *argv[])
 {
   int iRet;
+  int daemonize = 0;
   char *file = NULL;
-  int i;
+  int i, firstArg = 1;
+
+  if (argc < 2)
+    return usage(argv[0]);
 
   /* initialise, will die on you if problems */
-  for (i = 1; i < argc; i++) {
+  if (strcasecmp(argv[1], "-d") == 0) {
+    daemonize = 1;
+    firstArg = 2;
+  }
+  for (i = firstArg; i < argc; i++) {
     if (strcmp(argv[i], "-nolog") == 0) {
       SICSLogEnable(0);
     } else if (file == NULL) {
       file = argv[i];
     }
   }
+
+  if (file == NULL)
+    return usage(argv[0]);
+
   iRet = InitServer(file, &pServ);
   if (!iRet) {
     printf("Unrecoverable error on server startup, exiting.........\n");
     exit(1);
   }
+  if (daemonize == 1)
+    daemon(1, 1);
 
 
   RunServer(pServ);