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    revision 532 by niro, Sat Sep 1 22:45:15 2007 UTC revision 816 by niro, Fri Apr 24 18:33:46 2009 UTC
    # Line 3  Line 3 
    3   *  setconsole.c - redirect system console output   *  setconsole.c - redirect system console output
    4   *   *
    5   *  Copyright (C) 2004,2005  Enrik Berkhan <Enrik.Berkhan@inka.de>   *  Copyright (C) 2004,2005  Enrik Berkhan <Enrik.Berkhan@inka.de>
    6     *  Copyright (C) 2008 Bernhard Reutner-Fischer
    7   *   *
    8   * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.   * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
    9   */   */
    10    
    11  #include "busybox.h"  #include "libbb.h"
    12    
    13  #if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS  int setconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    14  static const struct option setconsole_long_options[] = {  int setconsole_main(int argc UNUSED_PARAM, char **argv)
      { "reset", 0, NULL, 'r' },  
      { 0, 0, 0, 0 }  
     };  
     #endif  
       
     #define OPT_SETCONS_RESET 1  
       
     int setconsole_main(int argc, char **argv)  
    15  {  {
      unsigned long flags;  
    16   const char *device = CURRENT_TTY;   const char *device = CURRENT_TTY;
    17     bool reset;
    18    
    19  #if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS  #if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS
    20   applet_long_options = setconsole_long_options;   static const char setconsole_longopts[] ALIGN1 =
    21     "reset\0" No_argument "r"
    22     ;
    23     applet_long_options = setconsole_longopts;
    24  #endif  #endif
    25   flags = getopt32(argc, argv, "r");   /* at most one non-option argument */
    26     opt_complementary = "?1";
    27   if (argc - optind > 1)   reset = getopt32(argv, "r");
    28   bb_show_usage();  
    29     argv += 1 + reset;
    30   if (argc - optind == 1) {   if (*argv) {
    31   if (flags & OPT_SETCONS_RESET)   device = *argv;
      bb_show_usage();  
      device = argv[optind];  
    32   } else {   } else {
    33   if (flags & OPT_SETCONS_RESET)   if (reset)
    34   device = CONSOLE_DEV;   device = DEV_CONSOLE;
    35   }   }
    36    
    37   if (-1 == ioctl(xopen(device, O_RDONLY), TIOCCONS)) {   xioctl(xopen(device, O_RDONLY), TIOCCONS, NULL);
      bb_perror_msg_and_die("TIOCCONS");  
      }  
    38   return EXIT_SUCCESS;   return EXIT_SUCCESS;
    39  }  }
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