try this, i think it covers the chroot case better.

Index: res_init.c
===================================================================
RCS file: /cvs/src/lib/libc/net/res_init.c,v
retrieving revision 1.33
diff -u -r1.33 res_init.c
--- res_init.c  2005/08/06 20:30:04     1.33
+++ res_init.c  2005/12/08 05:42:29
@@ -178,27 +178,24 @@
        int dots;
 #endif
 
-       if (usercall == 0) {
-               if (_resp->options & RES_INIT &&
-                   _resp->reschktime >= time(NULL))
+       if (!usercall && _resp->options & RES_INIT &&
+           _resp->reschktime >= time(NULL))
+               return (0);
+       _resp->reschktime = time(NULL) + __res_chktime;
+       if (stat(_PATH_RESCONF, &sb) != -1) {
+               if (!usercall && timespeccmp(&sb.st_mtimespec,
+                   &_resp->restimespec, ==))
                        return (0);
-               _resp->reschktime = time(NULL) + __res_chktime;
-               if (stat(_PATH_RESCONF, &sb) != -1) {
-                       if (timespeccmp(&sb.st_mtimespec,
-                           &_resp->restimespec, ==))
-                               return (0);
-                       else
-                               _resp->restimespec = sb.st_mtimespec;
-               } else {
-                       /*
-                        * Lost the file, in chroot?
-                        * Don' trash settings
-                        */
-                       if (timespecisset(&_resp->restimespec))
-                               return (0);
-               }
-       } else
-               _resp->reschktime = time(NULL) + __res_chktime;
+               else
+                       _resp->restimespec = sb.st_mtimespec;
+       } else {
+               /*
+                * Lost the file, in chroot?
+                * Don't trash settings
+                */
+               if (!usercall && timespecisset(&_resp->restimespec))
+                       return (0);
+       }
 
 
        /*

-- 
die energie aus fleisch und blut        deine sprache und die ganze wut
deine gefuehle die du lebst             und dein herz fuehl wie es bebt
zeitbombe! sie tickt in dir    zeitbombe! sie explodiert in deinem kopf
                                                    - girls under glass

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