(main): Use pidfile to simplify code.

src/server/updateLysKOM.c

 /*
- * $Id: updateLysKOM.c,v 1.8 1998/12/26 22:41:11 byers Exp $
+ * $Id: updateLysKOM.c,v 1.9 1999/04/17 00:16:46 ceder Exp $
  * Copyright (C) 1994, 1995  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -51,6 +51,7 @@
 #include <unistd.h>
 
 #include "ldifftime.h"
+#include "pidfile.h"
 
 static void
 checkstatus(FILE *fp,
@@ -158,7 +159,7 @@ main (int    argc,
 	{
 	case 'V':
 	case 'v':
-	    fprintf(stderr, "updateLysKOM %d $Revision: 1.8 $\n",
+	    fprintf(stderr, "updateLysKOM %d $Revision: 1.9 $\n",
 #include "version.incl"
 		    );
 	    exit(0);
@@ -167,24 +168,12 @@ main (int    argc,
 	    fprintf(stderr, "usage: %s [-V]\n", argv[0]);
 	}
 
-    fp = fopen(DEFAULT_PREFIX "/etc/pid", "r");
-    if (fp == NULL)
-    {
-	fprintf(stderr, "%s: warning: %s: ", argv[0], 
-		DEFAULT_PREFIX "/etc/pid");
-	perror("");
-	pid = 0;
-    }
-    else
-    {
-	pid = 0;
-	fscanf(fp, "%lu", &pid);
-	if (pid < 2)
+    pid = read_pid_file(DEFAULT_PREFIX "/etc/pid", argv[0]);
+    if (pid == 1)
     {
 	fprintf(stderr, "%s: got pid %ld.\n", argv[0], pid);
 	exit(1);
     }
-    }
 	
     fp = fopen(DEFAULT_PREFIX "/etc/status", "r");
     if (fp != NULL)