IABSD.fr/src/lib/libedit/hist.h

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• Author : schwarze
  Date : 2016-04-11 20:43:33
  Hash : e3191321
  Message : get rid of the non-standard data type "Char" in almost all files; ok martijn@

• lib/libedit/hist.h

• /*	$OpenBSD: hist.h,v 1.15 2016/04/11 20:43:33 schwarze Exp $	*/
  /*	$NetBSD: hist.h,v 1.21 2016/04/11 00:50:13 christos Exp $	*/
  
  /*-
   * Copyright (c) 1992, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * Christos Zoulas of Cornell University.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)hist.h	8.1 (Berkeley) 6/4/93
   */
  
  /*
   * el.hist.c: History functions
   */
  #ifndef _h_el_hist
  #define	_h_el_hist
  
  typedef int (*hist_fun_t)(void *, HistEventW *, int, ...);
  
  typedef struct el_history_t {
  	wchar_t		*buf;		/* The history buffer		*/
  	size_t		 sz;		/* Size of history buffer	*/
  	wchar_t		*last;		/* The last character		*/
  	int		 eventno;	/* Event we are looking for	*/
  	void		*ref;		/* Argument for history fcns	*/
  	hist_fun_t	 fun;		/* Event access			*/
  	HistEventW	 ev;		/* Event cookie			*/
  } el_history_t;
  
  #define	HIST_FUN_INTERNAL(el, fn, arg)	\
      ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \
  	fn, arg)) == -1) ? NULL : (el)->el_history.ev.str)
  #define HIST_FUN(el, fn, arg) \
      (((el)->el_flags & NARROW_HISTORY) ? hist_convert(el, fn, arg) : \
  	HIST_FUN_INTERNAL(el, fn, arg))
  
  #define	HIST_NEXT(el)		HIST_FUN(el, H_NEXT, NULL)
  #define	HIST_FIRST(el)		HIST_FUN(el, H_FIRST, NULL)
  #define	HIST_LAST(el)		HIST_FUN(el, H_LAST, NULL)
  #define	HIST_PREV(el)		HIST_FUN(el, H_PREV, NULL)
  #define	HIST_SET(el, num)	HIST_FUN(el, H_SET, num)
  #define	HIST_LOAD(el, fname)	HIST_FUN(el, H_LOAD fname)
  #define	HIST_SAVE(el, fname)	HIST_FUN(el, H_SAVE fname)
  #define	HIST_SAVE_FP(el, fp)	HIST_FUN(el, H_SAVE_FP fp)
  
  protected int		hist_init(EditLine *);
  protected void		hist_end(EditLine *);
  protected el_action_t	hist_get(EditLine *);
  protected int		hist_set(EditLine *, hist_fun_t, void *);
  protected int		hist_command(EditLine *, int, const wchar_t **);
  protected int		hist_enlargebuf(EditLine *, size_t, size_t);
  protected wchar_t	*hist_convert(EditLine *, int, void *);
  
  #endif /* _h_el_hist */