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

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Utility routines.
   4  *
   5  * Copyright (C) 2009 Denys Vlasenko
   6  *
   7  * Licensed under GPLv2, see file LICENSE in this source tree.
   8  */
   9 #include "libbb.h"
  10
  11 char* FAST_FUNC single_argv(char **argv)
  12 {
  13         if (argv[1] && strcmp(argv[1], "--") == 0)
  14                 argv++;
  15         if (!argv[1] || argv[2])
  16                 bb_show_usage();
  17         return argv[1];
  18 }