/sys/boot/forth/color.4th

https://bitbucket.org/iorivur/freebsd-bhyve-with-suspend-resume · Forth · 48 lines · 43 code · 5 blank · 0 comment · 1 complexity · 3c18e442f9083bd617db3e96b42b2f5b MD5 · raw file

  1. \ Copyright (c) 2011 Devin Teske <dteske@FreeBSD.org>
  2. \ All rights reserved.
  3. \
  4. \ Redistribution and use in source and binary forms, with or without
  5. \ modification, are permitted provided that the following conditions
  6. \ are met:
  7. \ 1. Redistributions of source code must retain the above copyright
  8. \ notice, this list of conditions and the following disclaimer.
  9. \ 2. Redistributions in binary form must reproduce the above copyright
  10. \ notice, this list of conditions and the following disclaimer in the
  11. \ documentation and/or other materials provided with the distribution.
  12. \
  13. \ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14. \ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15. \ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16. \ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17. \ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18. \ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19. \ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20. \ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21. \ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22. \ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23. \ SUCH DAMAGE.
  24. \
  25. \ $FreeBSD: head/sys/boot/forth/color.4th 238431 2012-07-14 01:45:35Z dteske $
  26. marker task-color.4th
  27. \ This function returns TRUE if the `loader_color' environment variable is set
  28. \ to YES, yes, or 1. Otherwise, FALSE is returned.
  29. \
  30. : loader_color? ( -- N )
  31. s" loader_color" getenv dup -1 <> if
  32. 2dup s" YES" compare-insensitive 0= if
  33. 2drop
  34. TRUE exit
  35. then
  36. 2dup s" 1" compare 0= if
  37. 2drop
  38. TRUE exit
  39. then
  40. drop
  41. then
  42. drop FALSE exit
  43. ;