NetBSD-5.0.2/dist/nvi/cl/cl_bsd.c
/* $NetBSD: cl_bsd.c,v 1.2.6.1 2009/01/20 02:41:11 snj Exp $ */
/*-
* Copyright (c) 1995, 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*/
#include "config.h"
#ifndef lint
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";
#endif /* not lint */
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/time.h>
#include <bitstring.h>
#include <ctype.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include "../common/common.h"
#include "../vi/vi.h"
#include "cl.h"
static char *ke; /* Keypad on. */
static char *ks; /* Keypad off. */
static char *vb; /* Visible bell string. */
/*
* HP's support the entire System V curses package except for the tigetstr
* and tigetnum functions. Ultrix supports the BSD curses package except
* for the idlok function. Cthulu only knows why. Break things up into a
* minimal set of functions.
*/
#ifndef HAVE_CURSES_WADDNSTR
/*
* waddnstr --
*
* PUBLIC: #ifndef HAVE_CURSES_WADDNSTR
* PUBLIC: int waddnstr __P((WINDOW*, char *, int));
* PUBLIC: #endif
*/
int
waddnstr(w, s, n)
WINDOW *w;
char *s;
int n;
{
int ch;
while (n-- && (ch = *s++))
waddch(w, ch);
return (OK);
}
#endif
#ifndef HAVE_CURSES_BEEP
/*
* beep --
*
* PUBLIC: #ifndef HAVE_CURSES_BEEP
* PUBLIC: void beep __P((void));
* PUBLIC: #endif
*/
void
beep()
{
(void)write(1, "\007", 1); /* '\a' */
}
#endif /* !HAVE_CURSES_BEEP */
#ifndef HAVE_CURSES_FLASH
/*
* flash --
* Flash the screen.
*
* PUBLIC: #ifndef HAVE_CURSES_FLASH
* PUBLIC: void flash __P((void));
* PUBLIC: #endif
*/
void
flash()
{
if (vb != NULL) {
(void)tputs(vb, 1, cl_putchar);
(void)fflush(stdout);
} else
beep();
}
#endif /* !HAVE_CURSES_FLASH */
#ifndef HAVE_CURSES_IDLOK
/*
* idlok --
* Turn on/off hardware line insert/delete.
*
* PUBLIC: #ifndef HAVE_CURSES_IDLOK
* PUBLIC: void idlok __P((WINDOW *, int));
* PUBLIC: #endif
*/
void
idlok(win, bf)
WINDOW *win;
int bf;
{
return;
}
#endif /* !HAVE_CURSES_IDLOK */
#ifndef HAVE_CURSES_KEYPAD
/*
* keypad --
* Put the keypad/cursor arrows into or out of application mode.
*
* PUBLIC: #ifndef HAVE_CURSES_KEYPAD
* PUBLIC: int keypad __P((void *, int));
* PUBLIC: #endif
*/
int
keypad(a, on)
void *a;
int on;
{
char *p;
if ((p = tigetstr(on ? "smkx" : "rmkx")) != (char *)-1) {
(void)tputs(p, 0, cl_putchar);
(void)fflush(stdout);
}
return (0);
}
#endif /* !HAVE_CURSES_KEYPAD */
#ifndef HAVE_CURSES_NEWTERM
/*
* newterm --
* Create a new curses screen.
*
* PUBLIC: #ifndef HAVE_CURSES_NEWTERM
* PUBLIC: void *newterm __P((const char *, FILE *, FILE *));
* PUBLIC: #endif
*/
void *
newterm(a, b, c)
const char *a;
FILE *b, *c;
{
return (initscr());
}
#endif /* !HAVE_CURSES_NEWTERM */
#ifndef HAVE_CURSES_SETUPTERM
/*
* setupterm --
* Set up terminal.
*
* PUBLIC: #ifndef HAVE_CURSES_SETUPTERM
* PUBLIC: void setupterm __P((char *, int, int *));
* PUBLIC: #endif
*/
void
setupterm(ttype, fno, errp)
char *ttype;
int fno, *errp;
{
static char buf[2048];
char *p;
if ((*errp = tgetent(buf, ttype)) > 0) {
if (ke != NULL)
free(ke);
ke = ((p = tigetstr("rmkx")) == (char *)-1) ?
NULL : strdup(p);
if (ks != NULL)
free(ks);
ks = ((p = tigetstr("smkx")) == (char *)-1) ?
NULL : strdup(p);
if (vb != NULL)
free(vb);
vb = ((p = tigetstr("flash")) == (char *)-1) ?
NULL : strdup(p);
}
}
#endif /* !HAVE_CURSES_SETUPTERM */
#ifndef HAVE_CURSES_TIGETSTR
/* Terminfo-to-termcap translation table. */
typedef struct _tl {
const char *terminfo; /* Terminfo name. */
const char *termcap; /* Termcap name. */
} TL;
static const TL list[] = {
{ "cols", "co", }, /* Terminal columns. */
{ "cup", "cm", }, /* Cursor up. */
{ "cuu1", "up", }, /* Cursor up. */
{ "el", "ce", }, /* Clear to end-of-line. */
{ "flash", "vb", }, /* Visible bell. */
{ "kcub1", "kl", }, /* Cursor left. */
{ "kcud1", "kd", }, /* Cursor down. */
{ "kcuf1", "kr", }, /* Cursor right. */
{ "kcuu1", "ku", }, /* Cursor up. */
{ "kdch1", "kD", }, /* Delete character. */
{ "kdl1", "kL", }, /* Delete line. */
{ "ked", "kS", }, /* Delete to end of screen. */
{ "kel", "kE", }, /* Delete to eol. */
{ "kend", "@7", }, /* Go to eol. */
{ "khome", "kh", }, /* Go to sol. */
{ "kich1", "kI", }, /* Insert at cursor. */
{ "kil1", "kA", }, /* Insert line. */
{ "kind", "kF", }, /* Scroll down. */
{ "kll", "kH", }, /* Go to eol. */
{ "knp", "kN", }, /* Page down. */
{ "kpp", "kP", }, /* Page up. */
{ "kri", "kR", }, /* Scroll up. */
{ "lines", "li", }, /* Terminal lines. */
{ "rmcup", "te", }, /* Terminal end string. */
{ "rmkx", "ke", }, /* Exit "keypad-transmit" mode. */
{ "rmso", "se", }, /* Standout end. */
{ "smcup", "ti", }, /* Terminal initialization string. */
{ "smkx", "ks", }, /* Enter "keypad-transmit" mode. */
{ "smso", "so", }, /* Standout begin. */
};
#ifdef _AIX
/*
* AIX's implementation for function keys greater than 10 is different and
* only goes as far as 36.
*/
static const char codes[] = {
/* 0-10 */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';',
/* 11-20 */ '<', '>', '!', '@', '#', '$', '%', '^', '&', '*',
/* 21-30 */ '(', ')', '-', '_', '+', ',', ':', '?', '[', ']',
/* 31-36 */ '{', '}', '|', '~', '/', '='
};
#else
/*
* !!!
* Historically, the 4BSD termcap code didn't support functions keys greater
* than 9. This was silently enforced -- asking for key k12 would return the
* value for k1. We try and get around this by using the tables specified in
* the terminfo(TI_ENV) man page from the 3rd Edition SVID. This assumes the
* implementors of any System V compatibility code or an extended termcap used
* those codes.
*/
static const char codes[] = {
/* 0-10 */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';',
/* 11-19 */ '1', '2', '3', '4', '5', '6', '7', '8', '9',
/* 20-63 */ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
};
#endif /* _AIX */
/*
* lcmp --
* list comparison routine for bsearch.
*/
static int
lcmp(const void *a, const void *b)
{
return (strcmp(a, ((const TL *)b)->terminfo));
}
/*
* tigetstr --
*
* Vendors put the prototype for tigetstr into random include files, including
* <term.h>, which we can't include because it makes other systems unhappy.
* Try and work around the problem, since we only care about the return value.
*
* PUBLIC: #ifdef HAVE_CURSES_TIGETSTR
* PUBLIC: char *tigetstr();
* PUBLIC: #else
* PUBLIC: char *tigetstr __P((char *));
* PUBLIC: #endif
*/
char *
tigetstr(name)
const char *name;
{
static char sbuf[256];
TL *tlp;
int n;
char *p, mykeyname[3];
if ((tlp = bsearch(name,
list, sizeof(list) / sizeof(TL), sizeof(TL), lcmp)) == NULL) {
#ifdef _AIX
if (name[0] == 'k' &&
name[1] == 'f' && (n = atoi(name + 2)) <= 36) {
mykeyname[0] = 'k';
mykeyname[1] = codes[n];
mykeyname[2] = '\0';
#else
if (name[0] == 'k' &&
name[1] == 'f' && (n = atoi(name + 2)) <= 63) {
mykeyname[0] = n <= 10 ? 'k' : 'F';
mykeyname[1] = codes[n];
mykeyname[2] = '\0';
#endif
name = mykeyname;
}
} else
name = tlp->termcap;
p = sbuf;
#ifdef _AIX
return ((p = tgetstr(name, &p)) == NULL ? (char *)-1 : strcpy(sbuf, p));
#else
return (tgetstr(name, &p) == NULL ? (char *)-1 : sbuf);
#endif
}
/*
* tigetnum --
*
* PUBLIC: #ifndef HAVE_CURSES_TIGETSTR
* PUBLIC: int tigetnum __P((char *));
* PUBLIC: #endif
*/
int
tigetnum(name)
const char *name;
{
TL *tlp;
int val;
if ((tlp = bsearch(name,
list, sizeof(list) / sizeof(TL), sizeof(TL), lcmp)) != NULL) {
name = tlp->termcap;
}
return ((val = tgetnum(name)) == -1 ? -2 : val);
}
#endif /* !HAVE_CURSES_TIGETSTR */