1 /* $NetBSD: cl_bsd.c,v 1.4 2017/11/06 03:08:41 rin Exp $ */
2 /*-
3 * Copyright (c) 1995, 1996
4 * Keith Bostic. All rights reserved.
5 *
6 * See the LICENSE file for redistribution information.
7 */
8
9 #include "config.h"
10
11 #include <sys/cdefs.h>
12 #if 0
13 #ifndef lint
14 static const char sccsid[] = "Id: cl_bsd.c,v 8.32 2000/12/01 13:56:17 skimo Exp (Berkeley) Date: 2000/12/01 13:56:17 ";
15 #endif /* not lint */
16 #else
17 __RCSID("$NetBSD: cl_bsd.c,v 1.4 2017/11/06 03:08:41 rin Exp $");
18 #endif
19
20 #include <sys/types.h>
21 #include <sys/queue.h>
22 #include <sys/time.h>
23
24 #include <bitstring.h>
25 #include <ctype.h>
26 #include <signal.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <termios.h>
31 #include <unistd.h>
32
33 #include "../common/common.h"
34 #include "../vi/vi.h"
35 #include "cl.h"
36
37 #ifndef HAVE_CURSES_SETUPTERM
38 static char *ke; /* Keypad on. */
39 static char *ks; /* Keypad off. */
40 static char *vb; /* Visible bell string. */
41 #endif
42
43 /*
44 * HP's support the entire System V curses package except for the tigetstr
45 * and tigetnum functions. Ultrix supports the BSD curses package except
46 * for the idlok function. Cthulu only knows why. Break things up into a
47 * minimal set of functions.
48 */
49
50 #ifndef HAVE_CURSES_WADDNSTR
51 /*
52 * waddnstr --
53 *
54 * PUBLIC: #ifndef HAVE_CURSES_WADDNSTR
55 * PUBLIC: int waddnstr __P((WINDOW*, char *, int));
56 * PUBLIC: #endif
57 */
58 int
waddnstr(w,s,n)59 waddnstr(w, s, n)
60 WINDOW *w;
61 char *s;
62 int n;
63 {
64 int ch;
65
66 while (n-- && (ch = *s++))
67 waddch(w, ch);
68 return (OK);
69 }
70 #endif
71
72 #ifndef HAVE_CURSES_BEEP
73 /*
74 * beep --
75 *
76 * PUBLIC: #ifndef HAVE_CURSES_BEEP
77 * PUBLIC: void beep __P((void));
78 * PUBLIC: #endif
79 */
80 void
beep()81 beep()
82 {
83 (void)write(1, "\007", 1); /* '\a' */
84 }
85 #endif /* !HAVE_CURSES_BEEP */
86
87 #ifndef HAVE_CURSES_FLASH
88 /*
89 * flash --
90 * Flash the screen.
91 *
92 * PUBLIC: #ifndef HAVE_CURSES_FLASH
93 * PUBLIC: void flash __P((void));
94 * PUBLIC: #endif
95 */
96 void
flash()97 flash()
98 {
99 if (vb != NULL) {
100 (void)tputs(vb, 1, cl_putchar);
101 (void)fflush(stdout);
102 } else
103 beep();
104 }
105 #endif /* !HAVE_CURSES_FLASH */
106
107 #ifndef HAVE_CURSES_IDLOK
108 /*
109 * idlok --
110 * Turn on/off hardware line insert/delete.
111 *
112 * PUBLIC: #ifndef HAVE_CURSES_IDLOK
113 * PUBLIC: void idlok __P((WINDOW *, int));
114 * PUBLIC: #endif
115 */
116 void
idlok(win,bf)117 idlok(win, bf)
118 WINDOW *win;
119 int bf;
120 {
121 return;
122 }
123 #endif /* !HAVE_CURSES_IDLOK */
124
125 #ifndef HAVE_CURSES_KEYPAD
126 /*
127 * keypad --
128 * Put the keypad/cursor arrows into or out of application mode.
129 *
130 * PUBLIC: #ifndef HAVE_CURSES_KEYPAD
131 * PUBLIC: int keypad __P((void *, int));
132 * PUBLIC: #endif
133 */
134 int
keypad(a,on)135 keypad(a, on)
136 void *a;
137 int on;
138 {
139 char *p;
140
141 if ((p = tigetstr(on ? "smkx" : "rmkx")) != (char *)-1) {
142 (void)tputs(p, 0, cl_putchar);
143 (void)fflush(stdout);
144 }
145 return (0);
146 }
147 #endif /* !HAVE_CURSES_KEYPAD */
148
149 #ifndef HAVE_CURSES_NEWTERM
150 /*
151 * newterm --
152 * Create a new curses screen.
153 *
154 * PUBLIC: #ifndef HAVE_CURSES_NEWTERM
155 * PUBLIC: void *newterm __P((const char *, FILE *, FILE *));
156 * PUBLIC: #endif
157 */
158 void *
newterm(a,b,c)159 newterm(a, b, c)
160 const char *a;
161 FILE *b, *c;
162 {
163 return (initscr());
164 }
165 #endif /* !HAVE_CURSES_NEWTERM */
166
167 #ifndef HAVE_CURSES_SETUPTERM
168 /*
169 * setupterm --
170 * Set up terminal.
171 *
172 * PUBLIC: #ifndef HAVE_CURSES_SETUPTERM
173 * PUBLIC: void setupterm __P((char *, int, int *));
174 * PUBLIC: #endif
175 */
176 void
setupterm(ttype,fno,errp)177 setupterm(ttype, fno, errp)
178 char *ttype;
179 int fno, *errp;
180 {
181 static char buf[2048];
182 char *p;
183
184 if ((*errp = tgetent(buf, ttype)) > 0) {
185 if (ke != NULL)
186 free(ke);
187 ke = ((p = tigetstr("rmkx")) == (char *)-1) ?
188 NULL : strdup(p);
189 if (ks != NULL)
190 free(ks);
191 ks = ((p = tigetstr("smkx")) == (char *)-1) ?
192 NULL : strdup(p);
193 if (vb != NULL)
194 free(vb);
195 vb = ((p = tigetstr("flash")) == (char *)-1) ?
196 NULL : strdup(p);
197 }
198 }
199 #endif /* !HAVE_CURSES_SETUPTERM */
200
201 #ifndef HAVE_CURSES_TIGETSTR
202 /* Terminfo-to-termcap translation table. */
203 typedef struct _tl {
204 const char *terminfo; /* Terminfo name. */
205 const char *termcap; /* Termcap name. */
206 } TL;
207 static const TL list[] = {
208 { "cols", "co", }, /* Terminal columns. */
209 { "cup", "cm", }, /* Cursor up. */
210 { "cuu1", "up", }, /* Cursor up. */
211 { "el", "ce", }, /* Clear to end-of-line. */
212 { "flash", "vb", }, /* Visible bell. */
213 { "kcub1", "kl", }, /* Cursor left. */
214 { "kcud1", "kd", }, /* Cursor down. */
215 { "kcuf1", "kr", }, /* Cursor right. */
216 { "kcuu1", "ku", }, /* Cursor up. */
217 { "kdch1", "kD", }, /* Delete character. */
218 { "kdl1", "kL", }, /* Delete line. */
219 { "ked", "kS", }, /* Delete to end of screen. */
220 { "kel", "kE", }, /* Delete to eol. */
221 { "kend", "@7", }, /* Go to eol. */
222 { "khome", "kh", }, /* Go to sol. */
223 { "kich1", "kI", }, /* Insert at cursor. */
224 { "kil1", "kA", }, /* Insert line. */
225 { "kind", "kF", }, /* Scroll down. */
226 { "kll", "kH", }, /* Go to eol. */
227 { "knp", "kN", }, /* Page down. */
228 { "kpp", "kP", }, /* Page up. */
229 { "kri", "kR", }, /* Scroll up. */
230 { "lines", "li", }, /* Terminal lines. */
231 { "rmcup", "te", }, /* Terminal end string. */
232 { "rmkx", "ke", }, /* Exit "keypad-transmit" mode. */
233 { "rmso", "se", }, /* Standout end. */
234 { "smcup", "ti", }, /* Terminal initialization string. */
235 { "smkx", "ks", }, /* Enter "keypad-transmit" mode. */
236 { "smso", "so", }, /* Standout begin. */
237 };
238
239 #ifdef _AIX
240 /*
241 * AIX's implementation for function keys greater than 10 is different and
242 * only goes as far as 36.
243 */
244 static const char codes[] = {
245 /* 0-10 */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';',
246 /* 11-20 */ '<', '>', '!', '@', '#', '$', '%', '^', '&', '*',
247 /* 21-30 */ '(', ')', '-', '_', '+', ',', ':', '?', '[', ']',
248 /* 31-36 */ '{', '}', '|', '~', '/', '='
249 };
250
251 #else
252
253 /*
254 * !!!
255 * Historically, the 4BSD termcap code didn't support functions keys greater
256 * than 9. This was silently enforced -- asking for key k12 would return the
257 * value for k1. We try and get around this by using the tables specified in
258 * the terminfo(TI_ENV) man page from the 3rd Edition SVID. This assumes the
259 * implementors of any System V compatibility code or an extended termcap used
260 * those codes.
261 */
262 static const char codes[] = {
263 /* 0-10 */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';',
264 /* 11-19 */ '1', '2', '3', '4', '5', '6', '7', '8', '9',
265 /* 20-63 */ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
266 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
267 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
268 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
269 };
270 #endif /* _AIX */
271
272 /*
273 * lcmp --
274 * list comparison routine for bsearch.
275 */
276 static int
lcmp(const void * a,const void * b)277 lcmp(const void *a, const void *b)
278 {
279 return (strcmp(a, ((const TL *)b)->terminfo));
280 }
281
282 /*
283 * tigetstr --
284 *
285 * Vendors put the prototype for tigetstr into random include files, including
286 * <term.h>, which we can't include because it makes other systems unhappy.
287 * Try and work around the problem, since we only care about the return value.
288 *
289 * PUBLIC: #ifdef HAVE_CURSES_TIGETSTR
290 * PUBLIC: #if 0
291 * PUBLIC: char *tigetstr __P((const char *));
292 * PUBLIC: #endif
293 * PUBLIC: #else
294 * PUBLIC: char *tigetstr __P((char *));
295 * PUBLIC: #endif
296 */
297 char *
tigetstr(name)298 tigetstr(name)
299 const char *name;
300 {
301 static char sbuf[256];
302 TL *tlp;
303 int n;
304 char *p, mykeyname[3];
305
306 if ((tlp = bsearch(name,
307 list, sizeof(list) / sizeof(TL), sizeof(TL), lcmp)) == NULL) {
308 #ifdef _AIX
309 if (name[0] == 'k' &&
310 name[1] == 'f' && (n = atoi(name + 2)) <= 36) {
311 mykeyname[0] = 'k';
312 mykeyname[1] = codes[n];
313 mykeyname[2] = '\0';
314 #else
315 if (name[0] == 'k' &&
316 name[1] == 'f' && (n = atoi(name + 2)) <= 63) {
317 mykeyname[0] = n <= 10 ? 'k' : 'F';
318 mykeyname[1] = codes[n];
319 mykeyname[2] = '\0';
320 #endif
321 name = mykeyname;
322 }
323 } else
324 name = tlp->termcap;
325
326 p = sbuf;
327 #ifdef _AIX
328 return ((p = tgetstr(name, &p)) == NULL ? (char *)-1 : strcpy(sbuf, p));
329 #else
330 return (tgetstr(name, &p) == NULL ? (char *)-1 : sbuf);
331 #endif
332 }
333
334 /*
335 * tigetnum --
336 *
337 * PUBLIC: #ifndef HAVE_CURSES_TIGETSTR
338 * PUBLIC: int tigetnum __P((char *));
339 * PUBLIC: #endif
340 */
341 int
tigetnum(name)342 tigetnum(name)
343 const char *name;
344 {
345 TL *tlp;
346 int val;
347
348 if ((tlp = bsearch(name,
349 list, sizeof(list) / sizeof(TL), sizeof(TL), lcmp)) != NULL) {
350 name = tlp->termcap;
351 }
352
353 return ((val = tgetnum(name)) == -1 ? -2 : val);
354 }
355 #endif /* !HAVE_CURSES_TIGETSTR */
356
357