Fix compiler warnings

src/contrib/websocket.c

         framecount++;
     } while (end < (src+srclength-1));
     if (framecount > 1) {
-        snprintf(cntstr, 3, "%d", framecount);
+        //snprintf(cntstr, 3, "%d", framecount);
+        snprintf(cntstr, 4, "%d",  framecount > 999 ? 999 : framecount);
         traffic(cntstr);
     }
     *left = 0;
     }
 
     if (framecount > 1) {
-        snprintf(cntstr, 3, "%d", framecount);
+        //snprintf(cntstr, 3, "%d", framecount);
+        snprintf(cntstr, 4, "%d",  framecount > 999 ? 999 : framecount);
         traffic(cntstr);
     }
     
     int pid, i;
 
     umask(0);
-    chdir("/");
-    setgid(getgid());
-    setuid(getuid());
+    if (!chdir("/")) { handler_emsg("Unable to chdir(\"/\").\n"); }
+    if (!setgid(getgid())) { handler_emsg("Unable to setgid().\n"); }
+    if (!setuid(getuid())) { handler_emsg("Unable to setuid().\n"); }
 
     /* Double fork to daemonize */
     pid = fork();
         }
     }
     i=open("/dev/null", O_RDWR);  // Redirect stdin
-    dup(i);                       // Redirect stdout
-    dup(i);                       // Redirect stderr
+    if (!dup(i)) { handler_emsg("Unable redirect stdout.\n"); } // Redirect stdout
+    if (!dup(i)) { handler_emsg("Unable redirect stderr.\n"); } // Redirect stderr
 }