1/*	$NetBSD: v_init.c,v 1.3 2014/01/26 21:43:45 christos Exp $ */
2/*-
3 * Copyright (c) 1992, 1993, 1994
4 *	The Regents of the University of California.  All rights reserved.
5 * Copyright (c) 1992, 1993, 1994, 1995, 1996
6 *	Keith Bostic.  All rights reserved.
7 *
8 * See the LICENSE file for redistribution information.
9 */
10
11#include "config.h"
12
13#include <sys/cdefs.h>
14#if 0
15#ifndef lint
16static const char sccsid[] = "Id: v_init.c,v 10.9 2001/06/25 15:19:31 skimo Exp  (Berkeley) Date: 2001/06/25 15:19:31 ";
17#endif /* not lint */
18#else
19__RCSID("$NetBSD: v_init.c,v 1.3 2014/01/26 21:43:45 christos Exp $");
20#endif
21
22#include <sys/types.h>
23#include <sys/queue.h>
24#include <sys/time.h>
25
26#include <bitstring.h>
27#include <errno.h>
28#include <limits.h>
29#include <stdio.h>
30#include <stdlib.h>
31#include <string.h>
32
33#include "../common/common.h"
34#include "vi.h"
35
36/*
37 * v_screen_copy --
38 *	Copy vi screen.
39 *
40 * PUBLIC: int v_screen_copy __P((SCR *, SCR *));
41 */
42int
43v_screen_copy(SCR *orig, SCR *sp)
44{
45	VI_PRIVATE *ovip, *nvip;
46
47	/* Create the private vi structure. */
48	CALLOC_RET(orig, nvip, VI_PRIVATE *, 1, sizeof(VI_PRIVATE));
49	sp->vi_private = nvip;
50
51	/* Invalidate the line size cache. */
52	VI_SCR_CFLUSH(nvip);
53
54	if (orig == NULL) {
55		nvip->csearchdir = CNOTSET;
56	} else {
57		ovip = VIP(orig);
58
59		/* User can replay the last input, but nothing else. */
60		if (ovip->rep_len != 0) {
61			MALLOC_RET(orig, nvip->rep, EVENT *, ovip->rep_len);
62			memmove(nvip->rep, ovip->rep, ovip->rep_len);
63			nvip->rep_len = ovip->rep_len;
64		}
65
66		/* Copy the paragraph/section information. */
67		if (ovip->ps != NULL && (nvip->ps =
68		    v_strdup(sp, ovip->ps, strlen(ovip->ps))) == NULL)
69			return (1);
70
71		nvip->lastckey = ovip->lastckey;
72		nvip->csearchdir = ovip->csearchdir;
73
74		nvip->srows = ovip->srows;
75	}
76	return (0);
77}
78
79/*
80 * v_screen_end --
81 *	End a vi screen.
82 *
83 * PUBLIC: int v_screen_end __P((SCR *));
84 */
85int
86v_screen_end(SCR *sp)
87{
88	VI_PRIVATE *vip;
89
90	if ((vip = VIP(sp)) == NULL)
91		return (0);
92	if (vip->keyw != NULL)
93		free(vip->keyw);
94	if (vip->rep != NULL)
95		free(vip->rep);
96	if (vip->ps != NULL)
97		free(vip->ps);
98
99	if (HMAP != NULL)
100		free(HMAP);
101
102	free(vip);
103	sp->vi_private = NULL;
104
105	return (0);
106}
107
108/*
109 * v_optchange --
110 *	Handle change of options for vi.
111 *
112 * PUBLIC: int v_optchange __P((SCR *, int, const char *, u_long *));
113 */
114int
115v_optchange(SCR *sp, int offset, const char *str, u_long *valp)
116{
117	switch (offset) {
118	case O_PARAGRAPHS:
119		return (v_buildps(sp, str, O_STR(sp, O_SECTIONS)));
120	case O_SECTIONS:
121		return (v_buildps(sp, O_STR(sp, O_PARAGRAPHS), str));
122	case O_WINDOW:
123		return (vs_crel(sp, *valp));
124	}
125	return (0);
126}
127