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