cffi-posix/cffi-errno/cffi-errno.lisp

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• Hash : f1561a8c
  Author : Thomas de Grivel
  Date : 2017-05-27T21:18:00
  

  ISC license.

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• cffi-errno.lisp

• ;;
  ;;  cffi-errno  -  Common Lisp wrapper for Unix error codes
  ;;
  ;;  Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
  ;;
  ;;  Permission to use, copy, modify, and distribute this software for any
  ;;  purpose with or without fee is hereby granted, provided that the above
  ;;  copyright notice and this permission notice appear in all copies.
  ;;
  ;;  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  ;;  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  ;;  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ;;  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  ;;  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ;;  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  ;;  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  ;;
  
  (in-package :cffi-errno)
  
  (defcfun ("strerror" c-strerror) :string
    (errnum :int))
  
  (defun strerror (errnum)
    (c-strerror errnum))
  
  (defun error-errno (msg)
    (error "~A: ~D ~A" msg errno (strerror errno)))
  

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