"Fossies" - the Fresh Open Source Software Archive

Member "tnftp-20200705/libedit/hist.h" (4 Jul 2020, 3590 Bytes) of package /linux/privat/tnftp-20200705.tar.gz:


As a special service "Fossies" has tried to format the requested source page into HTML format using (guessed) C and C++ source code syntax highlighting (style: standard) with prefixed line numbers and code folding option. Alternatively you can here view or download the uninterpreted source code file. For more information about "hist.h" see the Fossies "Dox" file reference documentation and the latest Fossies "Diffs" side-by-side code changes report: 20151004_vs_20200705.

    1 /*  $NetBSD: hist.h,v 1.4 2020/07/04 13:43:21 lukem Exp $   */
    2 /*  from    NetBSD: hist.h,v 1.23 2017/09/01 10:19:10 christos Exp  */
    3 
    4 /*-
    5  * Copyright (c) 1992, 1993
    6  *  The Regents of the University of California.  All rights reserved.
    7  *
    8  * This code is derived from software contributed to Berkeley by
    9  * Christos Zoulas of Cornell University.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  * 3. Neither the name of the University nor the names of its contributors
   20  *    may be used to endorse or promote products derived from this software
   21  *    without specific prior written permission.
   22  *
   23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   33  * SUCH DAMAGE.
   34  *
   35  *  @(#)hist.h  8.1 (Berkeley) 6/4/93
   36  */
   37 
   38 /*
   39  * el.hist.c: History functions
   40  */
   41 #ifndef _h_el_hist
   42 #define _h_el_hist
   43 
   44 typedef int (*hist_fun_t)(void *, HistEventW *, int, ...);
   45 
   46 typedef struct el_history_t {
   47     wchar_t     *buf;       /* The history buffer       */
   48     size_t       sz;        /* Size of history buffer   */
   49     wchar_t     *last;      /* The last character       */
   50     int      eventno;   /* Event we are looking for */
   51     void        *ref;       /* Argument for history fcns    */
   52     hist_fun_t   fun;       /* Event access         */
   53     HistEventW   ev;        /* Event cookie         */
   54 } el_history_t;
   55 
   56 #define HIST_FUN_INTERNAL(el, fn, arg)  \
   57     ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \
   58     fn, arg)) == -1) ? NULL : (el)->el_history.ev.str)
   59 #define HIST_FUN(el, fn, arg) \
   60     (((el)->el_flags & NARROW_HISTORY) ? hist_convert(el, fn, arg) : \
   61     HIST_FUN_INTERNAL(el, fn, arg))
   62 
   63 #define HIST_NEXT(el)           HIST_FUN(el, H_NEXT, NULL)
   64 #define HIST_FIRST(el)          HIST_FUN(el, H_FIRST, NULL)
   65 #define HIST_LAST(el)           HIST_FUN(el, H_LAST, NULL)
   66 #define HIST_PREV(el)           HIST_FUN(el, H_PREV, NULL)
   67 #define HIST_SET(el, num)       HIST_FUN(el, H_SET, num)
   68 #define HIST_LOAD(el, fname)        HIST_FUN(el, H_LOAD fname)
   69 #define HIST_SAVE(el, fname)        HIST_FUN(el, H_SAVE fname)
   70 #define HIST_SAVE_FP(el, fp)        HIST_FUN(el, H_SAVE_FP, fp)
   71 #define HIST_NSAVE_FP(el, n, fp)    HIST_FUN(el, H_NSAVE_FP, n, fp)
   72 
   73 libedit_private int     hist_init(EditLine *);
   74 libedit_private void        hist_end(EditLine *);
   75 libedit_private el_action_t hist_get(EditLine *);
   76 libedit_private int     hist_set(EditLine *, hist_fun_t, void *);
   77 libedit_private int     hist_command(EditLine *, int, const wchar_t **);
   78 libedit_private int     hist_enlargebuf(EditLine *, size_t, size_t);
   79 libedit_private wchar_t *hist_convert(EditLine *, int, void *);
   80 
   81 #endif /* _h_el_hist */