. abandons mixer, gomoku, talk, talkd, top from base system . compile top with clang so no ack-compiled program needs -lcurses any more
249 lines
5.8 KiB
C
249 lines
5.8 KiB
C
/* $NetBSD: fileio.c,v 1.4 2009/07/22 16:57:14 roy Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Julian Coleman.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: fileio.c,v 1.4 2009/07/22 16:57:14 roy Exp $");
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#endif /* not lint */
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#include "curses.h"
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#include "curses_private.h"
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#include "fileio.h"
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_WCHAR
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static int __putnsp(nschar_t *, FILE *);
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static int __getnsp(nschar_t *, FILE *);
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#endif /* HAVE_WCHAR */
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#ifdef HAVE_WCHAR
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/*
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* __putnsp --
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* Write non-spacing character chain to file, consisting of:
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* ((int) 1, (wchar_t) ch) pairs followed by (int) 0.
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*/
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static int
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__putnsp(nschar_t *nsp, FILE *fp)
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{
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int n;
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n = 1;
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while (nsp != NULL) {
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if (fwrite(&n, sizeof(int), 1, fp) != 1)
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return ERR;
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if (fwrite(&nsp->ch, sizeof(wchar_t), 1, fp) != 1)
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return ERR;
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}
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n = 0;
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if (fwrite(&n, sizeof(int), 1, fp) != 1)
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return ERR;
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return OK;
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}
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#endif /* HAVE_WCHAR */
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/*
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* putwin --
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* Write window data to file
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*/
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int
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putwin(WINDOW *win, FILE *fp)
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{
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int major = CURSES_LIB_MAJOR;
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int minor = CURSES_LIB_MINOR;
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int y, x;
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__LDATA *sp;
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#ifdef DEBUG
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__CTRACE(__CTRACE_FILEIO, "putwin: win %p\n", win);
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#endif
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if (win == NULL)
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return ERR;
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/* win can't be a subwin */
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if (win->orig != NULL)
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return ERR;
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/* Library version */
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if (fwrite(&major, sizeof(int), 1, fp) != 1)
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return ERR;
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if (fwrite(&minor, sizeof(int), 1, fp) != 1)
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return ERR;
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/* Window parameters */
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if (fwrite(win, sizeof(WINDOW), 1, fp) != 1)
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return ERR;
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#ifdef HAVE_WCHAR
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/* Background non-spacing character */
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if (__putnsp(win->bnsp, fp) == ERR)
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return ERR;
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#endif /* HAVE_WCHAR */
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/* Lines and line data */
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for (y = 0; y < win->maxy; y++)
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for (sp = win->alines[y]->line, x = 0; x < win->maxx;
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x++, sp++) {
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if (fwrite(&sp->ch, sizeof(wchar_t), 1, fp) != 1)
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return ERR;
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if (fwrite(&sp->attr, sizeof(attr_t), 1, fp) != 1)
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return ERR;
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#ifdef HAVE_WCHAR
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if (sp->nsp != NULL) {
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if (__putnsp(win->bnsp, fp) == ERR)
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return ERR;
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}
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#endif /* HAVE_WCHAR */
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}
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return OK;
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}
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#ifdef HAVE_WCHAR
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/*
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* __getnsp --
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* Read non-spacing character chain from file
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*/
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static int
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__getnsp(nschar_t *nsp, FILE *fp)
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{
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int n;
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nschar_t *onsp, *tnsp;
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if (fread(&n, sizeof(int), 1, fp) != 1)
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return ERR;
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onsp = nsp;
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while (n != 0) {
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tnsp = (nschar_t *)malloc(sizeof(nschar_t));
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if (tnsp == NULL) {
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__cursesi_free_nsp(nsp);
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return OK;
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}
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if (fread(&tnsp->ch, sizeof(wchar_t), 1, fp) != 1) {
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__cursesi_free_nsp(nsp);
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return OK;
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}
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tnsp->next = NULL;
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onsp->next = tnsp;
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onsp = onsp->next;
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if (fread(&n, sizeof(int), 1, fp) != 1) {
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__cursesi_free_nsp(nsp);
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return ERR;
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}
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}
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return OK;
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}
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#endif /* HAVE_WCHAR */
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/*
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* getwin --
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* Read window data from file
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*/
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WINDOW *
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getwin(FILE *fp)
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{
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int major, minor;
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WINDOW *wtmp, *win;
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int y, x;
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__LDATA *sp;
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#ifdef DEBUG
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__CTRACE(__CTRACE_FILEIO, "getwin\n");
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#endif
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/* Check library version */
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if (fread(&major, sizeof(int), 1, fp) != 1)
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return NULL;
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if (fread(&minor, sizeof(int), 1, fp) != 1)
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return NULL;
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if(major != CURSES_LIB_MAJOR || minor != CURSES_LIB_MINOR)
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return NULL;
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/* Window parameters */
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wtmp = (WINDOW *)malloc(sizeof(WINDOW));
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if (wtmp == NULL)
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return NULL;
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if (fread(wtmp, sizeof(WINDOW), 1, fp) != 1)
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goto error0;
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win = __newwin(_cursesi_screen, wtmp->maxy, wtmp->maxx,
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wtmp->begy, wtmp->begx, FALSE);
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if (win == NULL)
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goto error0;
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win->cury = wtmp->cury;
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win->curx = wtmp->curx;
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win->reqy = wtmp->reqy;
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win->reqx = wtmp->reqx;
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win->flags = wtmp->flags;
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win->delay = wtmp->delay;
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win->wattr = wtmp->wattr;
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win->bch = wtmp->bch;
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win->battr = wtmp->battr;
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win->scr_t = wtmp->scr_t;
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win->scr_b = wtmp->scr_b;
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free(wtmp);
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wtmp = NULL;
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__swflags(win);
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#ifdef HAVE_WCHAR
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if (__getnsp(win->bnsp, fp) == ERR)
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goto error1;
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#endif /* HAVE_WCHAR */
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/* Lines and line data */
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for (y = 0; y < win->maxy; y++) {
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for (sp = win->alines[y]->line, x = 0; x < win->maxx;
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x++, sp++) {
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if (fread(&sp->ch, sizeof(wchar_t), 1, fp) != 1)
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goto error1;
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if (fread(&sp->attr, sizeof(attr_t), 1, fp) != 1)
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goto error1;
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#ifdef HAVE_WCHAR
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if (sp->nsp != NULL) {
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if (__getnsp(win->bnsp, fp) == ERR)
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goto error1;
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}
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#endif /* HAVE_WCHAR */
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}
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__touchline(win, y, 0, (int) win->maxx - 1);
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}
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#ifdef DEBUG
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__CTRACE(__CTRACE_FILEIO, "getwin: win = 0x%p\n", win);
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#endif
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return win;
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error1:
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delwin(win);
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error0:
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if (wtmp)
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free(wtmp);
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return NULL;
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}
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