X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Ftermsbr.c;h=e7ba35ae2a3f0bc8cde31e7e64c87d9cb3c38d30;hp=28aaa8f5088920caacf8202c162c743f2ecf382b;hb=b7764c4a6b71d37918a97594d866258f154017ca;hpb=3c9700d8d045f3ff26ce5dd2a174454dafc14822 diff --git a/uip/termsbr.c b/uip/termsbr.c index 28aaa8f..e7ba35a 100644 --- a/uip/termsbr.c +++ b/uip/termsbr.c @@ -1,9 +1,10 @@ - /* - * termsbr.c -- termcap support - * - * $Id$ - */ +** termsbr.c -- termcap support +** +** This code is Copyright (c) 2002, by the authors of nmh. See the +** COPYRIGHT file in the root directory of the nmh distribution for +** complete copyright information. +*/ #include @@ -21,24 +22,29 @@ # include #endif +/* is need anyway for ioctl() #ifdef GWINSZ_IN_SYS_IOCTL +*/ # include +/* #endif +*/ + #ifdef WINSIZE_IN_PTEM # include # include #endif #if BUFSIZ<2048 -# define TXTSIZ 2048 +# define TXTSIZ 2048 #else # define TXTSIZ BUFSIZ #endif /* - * These variables are sometimes defined in, - * and needed by the termcap library. - */ +** These variables are sometimes defined in, +** and needed by the termcap library. +*/ #ifdef HAVE_OSPEED # ifdef MUST_DEFINE_OSPEED extern short ospeed; @@ -54,10 +60,9 @@ static long speedcode; static int initLI = 0; static int initCO = 0; -static int HC = 0; /* are we on a hardcopy terminal? */ -static int LI = 40; /* number of lines */ -static int CO = 80; /* number of colums */ -static char *CL = NULL; /* termcap string to clear screen */ +static int LI = 40; /* number of lines */ +static int CO = 80; /* number of colums */ +static char *CL = NULL; /* termcap string to clear screen */ static char *SE = NULL; /* termcap string to end standout mode */ static char *SO = NULL; /* termcap string to begin standout mode */ @@ -67,161 +72,142 @@ static char termcap[TXTSIZ]; static void read_termcap(void) { - char *bp, *cp; - char *term; + char *bp, *cp; + char *term; #ifndef TGETENT_ACCEPTS_NULL - char termbuf[TXTSIZ]; + char termbuf[TXTSIZ]; #endif #ifdef HAVE_TERMIOS_H - struct termios tio; + struct termios tio; #else # ifdef HAVE_TERMIO_H - struct termio tio; + struct termio tio; # else - struct sgttyb tio; + struct sgttyb tio; # endif #endif - static int inited = 0; + static int inited = 0; - if (inited++) - return; + if (inited++) + return; - if (!(term = getenv ("TERM"))) - return; + if (!(term = getenv("TERM"))) + return; /* - * If possible, we let tgetent allocate its own termcap buffer - */ +** If possible, we let tgetent allocate its own termcap buffer +*/ #ifdef TGETENT_ACCEPTS_NULL - if (tgetent (NULL, term) <= 0) - return + if (tgetent(NULL, term) != TGETENT_SUCCESS) + return; #else - if (tgetent (termbuf, term) <= 0) - return; + if (tgetent(termbuf, term) != TGETENT_SUCCESS) + return; #endif #ifdef HAVE_TERMIOS_H - speedcode = cfgetospeed(&tio); + speedcode = cfgetospeed(&tio); #else # ifdef HAVE_TERMIO_H - speedcode = ioctl(fileno(stdout), TCGETA, &tio) != NOTOK ? tio.c_cflag & CBAUD : 0; + speedcode = ioctl(fileno(stdout), TCGETA, &tio) != NOTOK ? + tio.c_cflag & CBAUD : 0; # else - speedcode = ioctl(fileno(stdout), TIOCGETP, (char *) &tio) != NOTOK ? tio.sg_ospeed : 0; + speedcode = ioctl(fileno(stdout), TIOCGETP, (char *) &tio) != NOTOK ? + tio.sg_ospeed : 0; # endif #endif - HC = tgetflag ("hc"); - - if (!initCO && (CO = tgetnum ("co")) <= 0) - CO = 80; - if (!initLI && (LI = tgetnum ("li")) <= 0) - LI = 24; - - cp = termcap; - CL = tgetstr ("cl", &cp); - if ((bp = tgetstr ("pc", &cp))) - PC = *bp; - if (tgetnum ("sg") <= 0) { - SE = tgetstr ("se", &cp); - SO = tgetstr ("so", &cp); - } + if (!initCO && (CO = tgetnum("co")) <= 0) + CO = 80; + if (!initLI && (LI = tgetnum("li")) <= 0) + LI = 24; + + cp = termcap; + CL = tgetstr("cl", &cp); + if ((bp = tgetstr("pc", &cp))) + PC = *bp; + if (tgetnum("sg") <= 0) { + SE = tgetstr("se", &cp); + SO = tgetstr("so", &cp); + } } int -sc_width (void) +sc_width(void) { #ifdef TIOCGWINSZ - struct winsize win; - int width; - - if (ioctl (fileno (stderr), TIOCGWINSZ, &win) != NOTOK - && (width = win.ws_col) > 0) { - CO = width; - initCO++; - } else + struct winsize win; + int width; + + if (ioctl(fileno(stderr), TIOCGWINSZ, &win) != NOTOK + && (width = win.ws_col) > 0) { + CO = width; + initCO++; + } else #endif /* TIOCGWINSZ */ - read_termcap(); + read_termcap(); - return CO; + return CO; } int -sc_length (void) +sc_length(void) { #ifdef TIOCGWINSZ - struct winsize win; + struct winsize win; - if (ioctl (fileno (stderr), TIOCGWINSZ, &win) != NOTOK - && (LI = win.ws_row) > 0) - initLI++; - else + if (ioctl(fileno(stderr), TIOCGWINSZ, &win) != NOTOK + && (LI = win.ws_row) > 0) + initLI++; + else #endif /* TIOCGWINSZ */ - read_termcap(); + read_termcap(); - return LI; -} - - -static int -outc (int c) -{ - return putchar(c); + return LI; } void -clear_screen (void) +clear_screen(void) { - read_termcap (); + read_termcap(); - if (CL && speedcode) - tputs (CL, LI, outc); - else { - printf ("\f"); - if (speedcode) - printf ("\200"); - } + if (CL && speedcode) + tputs(CL, LI, putchar); + else { + printf("\f"); + if (speedcode) + printf("\200"); + } - fflush (stdout); + fflush(stdout); } /* - * print in standout mode - */ +** print in standout mode +*/ int -SOprintf (char *fmt, ...) +SOprintf(char *fmt, ...) { - va_list ap; + va_list ap; - read_termcap (); - if (!(SO && SE)) - return NOTOK; + read_termcap(); + if (!(SO && SE)) + return NOTOK; - tputs (SO, 1, outc); + tputs(SO, 1, putchar); - va_start(ap, fmt); - vprintf (fmt, ap); - va_end(ap); + va_start(ap, fmt); + vprintf(fmt, ap); + va_end(ap); - tputs (SE, 1, outc); + tputs(SE, 1, putchar); - return OK; + return OK; } - -/* - * Is this a hardcopy terminal? - */ - -int -sc_hardcopy(void) -{ - read_termcap(); - return HC; -} -