1 /* $OpenBSD: v_init.c,v 1.5 2009/10/27 23:59:47 deraadt Exp $ */
2
3 /*-
4 * Copyright (c) 1992, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 * Copyright (c) 1992, 1993, 1994, 1995, 1996
7 * Keith Bostic. All rights reserved.
8 *
9 * See the LICENSE file for redistribution information.
10 */
11
12 #include "config.h"
13
14 #include <sys/types.h>
15 #include <sys/queue.h>
16 #include <sys/time.h>
17
18 #include <bitstring.h>
19 #include <errno.h>
20 #include <limits.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24
25 #include "../common/common.h"
26 #include "vi.h"
27
28 /*
29 * v_screen_copy --
30 * Copy vi screen.
31 *
32 * PUBLIC: int v_screen_copy(SCR *, SCR *);
33 */
34 int
v_screen_copy(orig,sp)35 v_screen_copy(orig, sp)
36 SCR *orig, *sp;
37 {
38 VI_PRIVATE *ovip, *nvip;
39
40 /* Create the private vi structure. */
41 CALLOC_RET(orig, nvip, VI_PRIVATE *, 1, sizeof(VI_PRIVATE));
42 sp->vi_private = nvip;
43
44 /* Invalidate the line size cache. */
45 VI_SCR_CFLUSH(nvip);
46
47 if (orig == NULL) {
48 nvip->csearchdir = CNOTSET;
49 } else {
50 ovip = VIP(orig);
51
52 /* User can replay the last input, but nothing else. */
53 if (ovip->rep_len != 0) {
54 MALLOC_RET(orig, nvip->rep, EVENT *, ovip->rep_len);
55 memmove(nvip->rep, ovip->rep, ovip->rep_len);
56 nvip->rep_len = ovip->rep_len;
57 }
58
59 /* Copy the paragraph/section information. */
60 if (ovip->ps != NULL && (nvip->ps =
61 v_strdup(sp, ovip->ps, strlen(ovip->ps))) == NULL)
62 return (1);
63
64 nvip->lastckey = ovip->lastckey;
65 nvip->csearchdir = ovip->csearchdir;
66
67 nvip->srows = ovip->srows;
68 }
69 return (0);
70 }
71
72 /*
73 * v_screen_end --
74 * End a vi screen.
75 *
76 * PUBLIC: int v_screen_end(SCR *);
77 */
78 int
v_screen_end(sp)79 v_screen_end(sp)
80 SCR *sp;
81 {
82 VI_PRIVATE *vip;
83
84 if ((vip = VIP(sp)) == NULL)
85 return (0);
86 if (vip->keyw != NULL)
87 free(vip->keyw);
88 if (vip->rep != NULL)
89 free(vip->rep);
90 if (vip->ps != NULL)
91 free(vip->ps);
92
93 if (HMAP != NULL)
94 free(HMAP);
95
96 free(vip);
97 sp->vi_private = NULL;
98
99 return (0);
100 }
101
102 /*
103 * v_optchange --
104 * Handle change of options for vi.
105 *
106 * PUBLIC: int v_optchange(SCR *, int, char *, u_long *);
107 */
108 int
v_optchange(sp,offset,str,valp)109 v_optchange(sp, offset, str, valp)
110 SCR *sp;
111 int offset;
112 char *str;
113 u_long *valp;
114 {
115 switch (offset) {
116 case O_PARAGRAPHS:
117 return (v_buildps(sp, str, O_STR(sp, O_SECTIONS)));
118 case O_SECTIONS:
119 return (v_buildps(sp, O_STR(sp, O_PARAGRAPHS), str));
120 case O_WINDOW:
121 return (vs_crel(sp, *valp));
122 }
123 return (0);
124 }
125