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
16 static 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 */
42 int
v_screen_copy(SCR * orig,SCR * sp)43 v_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 */
85 int
v_screen_end(SCR * sp)86 v_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 */
114 int
v_optchange(SCR * sp,int offset,const char * str,u_long * valp)115 v_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