--- dhcpcd.c.fd	2005-09-14 18:26:58 +0400
+++ dhcpcd.c	2005-09-14 18:27:06 +0400
@@ -108,7 +108,7 @@
   int s			=	1;
   int k			=	1;
   int i			=	1;
-  int j;
+  int j,fd;
 
 /*
  * Ensure that fds 0, 1, 2 are open, to /dev/null if nowhere else.
@@ -118,8 +118,9 @@
  */
  j=open("/dev/null",O_RDWR);
  while ( j < 2 && j >= 0 ) j = dup(j);
- if ( j > 2 ) close(j);
- 
+ j = sysconf (_SC_OPEN_MAX);
+ for (fd = 3; fd < j; fd++) close(fd);
+
   if ( geteuid() )
     {
       fprintf(stderr,"****  %s: not a superuser\n",argc[0]);