+++ /dev/null
-/* $NetBSD: wwopen.c,v 1.9 1998/08/25 20:59:43 ross Exp $ */
-
-/*
- * Copyright (c) 1983, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Edward Wang at The University of California, Berkeley.
- *
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#include <sys/cdefs.h>
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)wwopen.c 8.2 (Berkeley) 4/28/95";
-#else
-__RCSID("$NetBSD: wwopen.c,v 1.9 1998/08/25 20:59:43 ross Exp $");
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "ww.h"
-
-struct ww *
-wwopen(type, oflags, nrow, ncol, row, col, nline)
- int type, oflags, nrow, ncol, row, col, nline;
-{
- struct ww *w;
- int i, j;
- char m;
- short nvis;
-
- w = (struct ww *)calloc(sizeof (struct ww), 1);
- if (w == 0) {
- wwerrno = WWE_NOMEM;
- goto bad;
- }
- w->ww_pty = -1;
- w->ww_socket = -1;
-
- for (i = 0; i < NWW && wwindex[i] != 0; i++)
- ;
- if (i >= NWW) {
- wwerrno = WWE_TOOMANY;
- goto bad;
- }
- w->ww_index = i;
-
- if (nline < nrow)
- nline = nrow;
-
- w->ww_w.t = row;
- w->ww_w.b = row + nrow;
- w->ww_w.l = col;
- w->ww_w.r = col + ncol;
- w->ww_w.nr = nrow;
- w->ww_w.nc = ncol;
-
- w->ww_b.t = row;
- w->ww_b.b = row + nline;
- w->ww_b.l = col;
- w->ww_b.r = col + ncol;
- w->ww_b.nr = nline;
- w->ww_b.nc = ncol;
-
- w->ww_i.t = MAX(w->ww_w.t, 0);
- w->ww_i.b = MIN(w->ww_w.b, wwnrow);
- w->ww_i.l = MAX(w->ww_w.l, 0);
- w->ww_i.r = MIN(w->ww_w.r, wwncol);
- w->ww_i.nr = w->ww_i.b - w->ww_i.t;
- w->ww_i.nc = w->ww_i.r - w->ww_i.l;
-
- w->ww_cur.r = w->ww_w.t;
- w->ww_cur.c = w->ww_w.l;
-
- w->ww_type = type;
- switch (type) {
- case WWT_PTY:
- if (wwgetpty(w) < 0)
- goto bad;
- break;
- case WWT_SOCKET:
- {
- int d[2];
- if (socketpair(AF_LOCAL, SOCK_STREAM, PF_UNSPEC, d) < 0) {
- wwerrno = WWE_SYS;
- goto bad;
- }
- (void) fcntl(d[0], F_SETFD, 1);
- (void) fcntl(d[1], F_SETFD, 1);
- w->ww_pty = d[0];
- w->ww_socket = d[1];
- break;
- }
- }
- if (type != WWT_INTERNAL) {
- if ((w->ww_ob = malloc(512)) == 0) {
- wwerrno = WWE_NOMEM;
- goto bad;
- }
- w->ww_obe = w->ww_ob + 512;
- w->ww_obp = w->ww_obq = w->ww_ob;
- if (w->ww_pty >= wwdtablesize)
- wwdtablesize = w->ww_pty + 1;
- }
-
- w->ww_win = wwalloc(w->ww_w.t, w->ww_w.l,
- w->ww_w.nr, w->ww_w.nc, sizeof (char));
- if (w->ww_win == 0)
- goto bad;
- m = 0;
- if (oflags & WWO_GLASS)
- m |= WWM_GLS;
- if (oflags & WWO_REVERSE) {
- if (wwavailmodes & WWM_REV)
- m |= WWM_REV;
- else oflags &= ~WWO_REVERSE;
- }
- for (i = w->ww_w.t; i < w->ww_w.b; i++)
- for (j = w->ww_w.l; j < w->ww_w.r; j++)
- w->ww_win[i][j] = m;
-
- if (oflags & WWO_FRAME) {
- w->ww_fmap = wwalloc(w->ww_w.t, w->ww_w.l,
- w->ww_w.nr, w->ww_w.nc, sizeof (char));
- if (w->ww_fmap == 0)
- goto bad;
- for (i = w->ww_w.t; i < w->ww_w.b; i++)
- for (j = w->ww_w.l; j < w->ww_w.r; j++)
- w->ww_fmap[i][j] = 0;
- }
-
- w->ww_buf = (union ww_char **)
- wwalloc(w->ww_b.t, w->ww_b.l,
- w->ww_b.nr, w->ww_b.nc, sizeof (union ww_char));
- if (w->ww_buf == 0)
- goto bad;
- for (i = w->ww_b.t; i < w->ww_b.b; i++)
- for (j = w->ww_b.l; j < w->ww_b.r; j++)
- w->ww_buf[i][j].c_w = ' ';
-
- w->ww_nvis = (short *)malloc((unsigned) w->ww_w.nr * sizeof (short));
- if (w->ww_nvis == 0) {
- wwerrno = WWE_NOMEM;
- goto bad;
- }
- w->ww_nvis -= w->ww_w.t;
- nvis = m ? 0 : w->ww_w.nc;
- for (i = w->ww_w.t; i < w->ww_w.b; i++)
- w->ww_nvis[i] = nvis;
-
- w->ww_state = WWS_INITIAL;
- CLR(w->ww_oflags, WWO_ALLFLAGS);
- SET(w->ww_oflags, oflags);
- return wwindex[w->ww_index] = w;
-bad:
- if (w != 0) {
- if (w->ww_win != 0)
- wwfree(w->ww_win, w->ww_w.t);
- if (w->ww_fmap != 0)
- wwfree(w->ww_fmap, w->ww_w.t);
- if (w->ww_buf != 0)
- wwfree((char **)w->ww_buf, w->ww_b.t);
- if (w->ww_nvis != 0)
- free((char *)(w->ww_nvis + w->ww_w.t));
- if (w->ww_ob != 0)
- free(w->ww_ob);
- if (w->ww_pty >= 0)
- (void) close(w->ww_pty);
- if (w->ww_socket >= 0)
- (void) close(w->ww_socket);
- free((char *)w);
- }
- return 0;
-}
projects / apple / shell_cmds.git / blobdiff