3 * termsbr.c -- termcap support
5 * This code is Copyright (c) 2002, by the authors of nmh. See the
6 * COPYRIGHT file in the root directory of the nmh distribution for
7 * complete copyright information.
26 /* <sys/ioctl.h> is need anyway for ioctl()
27 #ifdef GWINSZ_IN_SYS_IOCTL
29 # include <sys/ioctl.h>
34 #ifdef WINSIZE_IN_PTEM
35 # include <sys/stream.h>
36 # include <sys/ptem.h>
42 # define TXTSIZ BUFSIZ
46 * These variables are sometimes defined in,
47 * and needed by the termcap library.
50 # ifdef MUST_DEFINE_OSPEED
59 static long speedcode;
61 static int initLI = 0;
62 static int initCO = 0;
64 static int HC = 0; /* are we on a hardcopy terminal? */
65 static int LI = 40; /* number of lines */
66 static int CO = 80; /* number of colums */
67 static char *CL = NULL; /* termcap string to clear screen */
68 static char *SE = NULL; /* termcap string to end standout mode */
69 static char *SO = NULL; /* termcap string to begin standout mode */
71 static char termcap[TXTSIZ];
80 #ifndef TGETENT_ACCEPTS_NULL
94 static int inited = 0;
99 if (!(term = getenv ("TERM")))
103 * If possible, we let tgetent allocate its own termcap buffer
105 #ifdef TGETENT_ACCEPTS_NULL
106 if (tgetent (NULL, term) != TGETENT_SUCCESS)
109 if (tgetent (termbuf, term) != TGETENT_SUCCESS)
113 #ifdef HAVE_TERMIOS_H
114 speedcode = cfgetospeed(&tio);
116 # ifdef HAVE_TERMIO_H
117 speedcode = ioctl(fileno(stdout), TCGETA, &tio) != NOTOK ? tio.c_cflag & CBAUD : 0;
119 speedcode = ioctl(fileno(stdout), TIOCGETP, (char *) &tio) != NOTOK ? tio.sg_ospeed : 0;
123 HC = tgetflag ("hc");
125 if (!initCO && (CO = tgetnum ("co")) <= 0)
127 if (!initLI && (LI = tgetnum ("li")) <= 0)
131 CL = tgetstr ("cl", &cp);
132 if ((bp = tgetstr ("pc", &cp)))
134 if (tgetnum ("sg") <= 0) {
135 SE = tgetstr ("se", &cp);
136 SO = tgetstr ("so", &cp);
148 if (ioctl (fileno (stderr), TIOCGWINSZ, &win) != NOTOK
149 && (width = win.ws_col) > 0) {
153 #endif /* TIOCGWINSZ */
166 if (ioctl (fileno (stderr), TIOCGWINSZ, &win) != NOTOK
167 && (LI = win.ws_row) > 0)
170 #endif /* TIOCGWINSZ */
190 tputs (CL, LI, outc);
202 * print in standout mode
205 SOprintf (char *fmt, ...)
225 * Is this a hardcopy terminal?