clear.c 2.9 KB

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  1. /****************************************************************************
  2. * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. *
  3. * *
  4. * Permission is hereby granted, free of charge, to any person obtaining a *
  5. * copy of this software and associated documentation files (the *
  6. * "Software"), to deal in the Software without restriction, including *
  7. * without limitation the rights to use, copy, modify, merge, publish, *
  8. * distribute, distribute with modifications, sublicense, and/or sell *
  9. * copies of the Software, and to permit persons to whom the Software is *
  10. * furnished to do so, subject to the following conditions: *
  11. * *
  12. * The above copyright notice and this permission notice shall be included *
  13. * in all copies or substantial portions of the Software. *
  14. * *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
  16. * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
  17. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
  18. * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
  19. * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
  20. * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
  21. * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
  22. * *
  23. * Except as contained in this notice, the name(s) of the above copyright *
  24. * holders shall not be used in advertising or otherwise to promote the *
  25. * sale, use or other dealings in this Software without prior written *
  26. * authorization. *
  27. ****************************************************************************/
  28. /****************************************************************************
  29. * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
  30. * and: Eric S. Raymond <esr@snark.thyrsus.com> *
  31. * and: Thomas E. Dickey 1996-on *
  32. ****************************************************************************/
  33. /*
  34. * clear.c -- clears the terminal's screen
  35. */
  36. #define USE_LIBTINFO
  37. #include <progs.priv.h>
  38. MODULE_ID("$Id: clear.c,v 1.11 2007/10/13 22:16:02 tom Exp $")
  39. static int
  40. putch(int c)
  41. {
  42. return putchar(c);
  43. }
  44. int
  45. main(
  46. int argc GCC_UNUSED,
  47. char *argv[]GCC_UNUSED)
  48. {
  49. setupterm((char *) 0, STDOUT_FILENO, (int *) 0);
  50. ExitProgram((tputs(clear_screen, lines > 0 ? lines : 1, putch) == ERR)
  51. ? EXIT_FAILURE
  52. : EXIT_SUCCESS);
  53. }