my-emacs-d/lisp/gnu-c-header.el

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2014-10-05 12:57:41 +00:00
;;; gnu-c-header.el --- function to add a header to the C files licensed under the GPL
;; Author: Gergely Polonkai <gergely@polonkai.eu>
;; Copyright: public domain
;; URL: http://gergely.polonkai.eu/blog/2014/09/26/emacs-adding-gnu-c-headers
;; Keywords: gnu, c, header, helper, utilities
;;; Commentary:
;;; Code:
(defun file-name-base-with-extension (&optional filename)
"Return the base name of the FILENAME without its directory path.
FILENAME defaults to `buffer-file-name'."
(file-name-nondirectory (or filename (buffer-file-name))))
(defun add-gnu-c-header (progname purpose)
"Add a GNU GPL header to the current buffer"
(interactive "sProgram name (ie: MyProgram): \nsPurpose of the file (ie: string utility functions): ")
(save-excursion
(goto-char (point-min))
(insert (concat
"/* "
(file-name-base-with-extension buffer-file-name)
" - "
purpose
" for "
progname
"\n"
" *\n"
" * Copyright (C) "
(format-time-string "%Y" (current-time))
" "
(user-full-name)
"\n"
" *\n"))
(let ((start (point)))
(insert (concat
" * "
progname
" is \n * free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version."))
(let ((end (point)))
(fill-region start end)))
(insert (concat
"\n"
" *\n"))
(let ((start (point)))
(insert (concat
" * "
progname
" is \n * distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details."))
(let ((end (point)))
(fill-region start end)))
(insert (concat
"\n"
" *\n"))
(let ((start (point)))
(insert " * You \n * should have received a copy of the GNU General Public License along with this software; if not, see <http://www.gnu.org/licenses/>.")
(let ((end (point)))
(fill-region start end)))
(insert (concat
"\n"
" */\n"))
))
(provide 'gnu-c-header)
;;; gnu-c-header.el ends here