release/src/router/busybox/libbb/fflush_stdout_and_exit.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * fflush_stdout_and_exit implementation for busybox
   4  *
   5  * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
   6  *
   7  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   8  */
   9
  10 /* Attempt to fflush(stdout), and exit with an error code if stdout is
  11  * in an error state.
  12  */
  13
  14 #include "libbb.h"
  15
  16 void FAST_FUNC fflush_stdout_and_exit(int retval)
  17 {
  18         if (fflush(stdout))
  19                 bb_perror_msg_and_die(bb_msg_standard_output);
  20
  21         if (ENABLE_FEATURE_PREFER_APPLETS && die_sleep < 0) {
  22                 /* We are in NOFORK applet. Do not exit() directly,
  23                  * but use xfunc_die() */
  24                 xfunc_error_retval = retval;
  25                 xfunc_die();
  26         }
  27
  28         exit(retval);
  29 }