ncursesw-morphos/ncurses/tinfo/lib_tputs.c
Thomas E. Dickey f79b52fddd ncurses 5.7 - patch 20101225
+ modify nc_tparm.h, adding guards against repeated inclusion, and
  allowing TPARM_ARG to be overridden.
+ fix some strict compiler warnings in ncurses library.
2010-12-26 01:22:11 +00:00

382 lines
9.7 KiB
C

/****************************************************************************
* Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
* and: Thomas E. Dickey 1996-on *
* and: Juergen Pfeifer 2009 *
****************************************************************************/
/*
* tputs.c
* delay_output()
* _nc_outch()
* tputs()
*
*/
#include <curses.priv.h>
#ifndef CUR
#define CUR SP_TERMTYPE
#endif
#include <ctype.h>
#include <termcap.h> /* ospeed */
#include <tic.h>
MODULE_ID("$Id: lib_tputs.c,v 1.81 2010/12/20 00:42:50 tom Exp $")
NCURSES_EXPORT_VAR(char) PC = 0; /* used by termcap library */
NCURSES_EXPORT_VAR(NCURSES_OSPEED) ospeed = 0; /* used by termcap library */
NCURSES_EXPORT_VAR(int) _nc_nulls_sent = 0; /* used by 'tack' program */
#if NCURSES_NO_PADDING
NCURSES_EXPORT(void)
_nc_set_no_padding(SCREEN *sp)
{
bool no_padding = (getenv("NCURSES_NO_PADDING") != 0);
if (sp)
sp->_no_padding = no_padding;
else
_nc_prescreen._no_padding = no_padding;
TR(TRACE_CHARPUT | TRACE_MOVE, ("padding will%s be used",
GetNoPadding(sp) ? " not" : ""));
}
#endif
#if NCURSES_SP_FUNCS
#define SetOutCh(func) if (SP_PARM) SP_PARM->_outch = func; else _nc_prescreen._outch = func
#define GetOutCh() (SP_PARM ? SP_PARM->_outch : _nc_prescreen._outch)
#else
#define SetOutCh(func) static_outch = func
#define GetOutCh() static_outch
static NCURSES_SP_OUTC static_outch = NCURSES_SP_NAME(_nc_outch);
#endif
NCURSES_EXPORT(int)
NCURSES_SP_NAME(delay_output) (NCURSES_SP_DCLx int ms)
{
T((T_CALLED("delay_output(%p,%d)"), (void *) SP_PARM, ms));
if (!HasTInfoTerminal(SP_PARM))
returnCode(ERR);
if (no_pad_char) {
NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
napms(ms);
} else {
NCURSES_SP_OUTC my_outch = GetOutCh();
register int nullcount;
nullcount = (ms * _nc_baudrate(ospeed)) / (BAUDBYTE * 1000);
for (_nc_nulls_sent += nullcount; nullcount > 0; nullcount--)
my_outch(NCURSES_SP_ARGx PC);
if (my_outch == NCURSES_SP_NAME(_nc_outch))
NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
}
returnCode(OK);
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
delay_output(int ms)
{
return NCURSES_SP_NAME(delay_output) (CURRENT_SCREEN, ms);
}
#endif
NCURSES_EXPORT(void)
NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_DCL0)
{
(void) fflush(NC_OUTPUT(SP_PARM));
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(void)
_nc_flush(void)
{
NCURSES_SP_NAME(_nc_flush) (CURRENT_SCREEN);
}
#endif
NCURSES_EXPORT(int)
NCURSES_SP_NAME(_nc_outch) (NCURSES_SP_DCLx int ch)
{
int rc = OK;
COUNT_OUTCHARS(1);
if (HasTInfoTerminal(SP_PARM)
&& SP_PARM != 0
&& SP_PARM->_cleanup) {
char tmp = (char) ch;
/*
* POSIX says write() is safe in a signal handler, but the
* buffered I/O is not.
*/
if (write(fileno(NC_OUTPUT(SP_PARM)), &tmp, 1) == -1)
rc = ERR;
} else {
if (putc(ch, NC_OUTPUT(SP_PARM)) == EOF)
rc = ERR;
}
return rc;
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
_nc_outch(int ch)
{
return NCURSES_SP_NAME(_nc_outch) (CURRENT_SCREEN, ch);
}
#endif
NCURSES_EXPORT(int)
NCURSES_SP_NAME(putp) (NCURSES_SP_DCLx const char *string)
{
return NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
string, 1, NCURSES_SP_NAME(_nc_outch));
}
NCURSES_EXPORT(int)
NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_DCLx
const char *name GCC_UNUSED,
const char *string)
{
int rc = ERR;
if (string != 0) {
TPUTS_TRACE(name);
rc = NCURSES_SP_NAME(putp) (NCURSES_SP_ARGx string);
}
return rc;
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
putp(const char *string)
{
return NCURSES_SP_NAME(putp) (CURRENT_SCREEN, string);
}
NCURSES_EXPORT(int)
_nc_putp(const char *name, const char *string)
{
return NCURSES_SP_NAME(_nc_putp) (CURRENT_SCREEN, name, string);
}
#endif
NCURSES_EXPORT(int)
NCURSES_SP_NAME(tputs) (NCURSES_SP_DCLx
const char *string,
int affcnt,
NCURSES_SP_OUTC outc)
{
NCURSES_SP_OUTC my_outch = GetOutCh();
bool always_delay;
bool normal_delay;
int number;
#if BSD_TPUTS
int trailpad;
#endif /* BSD_TPUTS */
#ifdef TRACE
char addrbuf[32];
if (USE_TRACEF(TRACE_TPUTS)) {
if (outc == NCURSES_SP_NAME(_nc_outch))
(void) strcpy(addrbuf, "_nc_outch");
else
(void) sprintf(addrbuf, "%p", outc);
if (_nc_tputs_trace) {
_tracef("tputs(%s = %s, %d, %s) called", _nc_tputs_trace,
_nc_visbuf(string), affcnt, addrbuf);
} else {
_tracef("tputs(%s, %d, %s) called", _nc_visbuf(string), affcnt, addrbuf);
}
TPUTS_TRACE(NULL);
_nc_unlock_global(tracef);
}
#endif /* TRACE */
if (SP_PARM != 0 && !HasTInfoTerminal(SP_PARM))
return ERR;
if (!VALID_STRING(string))
return ERR;
if (
#if NCURSES_SP_FUNCS
(SP_PARM != 0 && SP_PARM->_term == 0)
#else
cur_term == 0
#endif
) {
always_delay = FALSE;
normal_delay = TRUE;
} else {
always_delay = (string == bell) || (string == flash_screen);
normal_delay =
!xon_xoff
&& padding_baud_rate
#if NCURSES_NO_PADDING
&& !GetNoPadding(SP_PARM)
#endif
&& (_nc_baudrate(ospeed) >= padding_baud_rate);
}
#if BSD_TPUTS
/*
* This ugly kluge deals with the fact that some ancient BSD programs
* (like nethack) actually do the likes of tputs("50") to get delays.
*/
trailpad = 0;
if (isdigit(UChar(*string))) {
while (isdigit(UChar(*string))) {
trailpad = trailpad * 10 + (*string - '0');
string++;
}
trailpad *= 10;
if (*string == '.') {
string++;
if (isdigit(UChar(*string))) {
trailpad += (*string - '0');
string++;
}
while (isdigit(UChar(*string)))
string++;
}
if (*string == '*') {
trailpad *= affcnt;
string++;
}
}
#endif /* BSD_TPUTS */
SetOutCh(outc); /* redirect delay_output() */
while (*string) {
if (*string != '$')
(*outc) (NCURSES_SP_ARGx *string);
else {
string++;
if (*string != '<') {
(*outc) (NCURSES_SP_ARGx '$');
if (*string)
(*outc) (NCURSES_SP_ARGx *string);
} else {
bool mandatory;
string++;
if ((!isdigit(UChar(*string)) && *string != '.')
|| !strchr(string, '>')) {
(*outc) (NCURSES_SP_ARGx '$');
(*outc) (NCURSES_SP_ARGx '<');
continue;
}
number = 0;
while (isdigit(UChar(*string))) {
number = number * 10 + (*string - '0');
string++;
}
number *= 10;
if (*string == '.') {
string++;
if (isdigit(UChar(*string))) {
number += (*string - '0');
string++;
}
while (isdigit(UChar(*string)))
string++;
}
mandatory = FALSE;
while (*string == '*' || *string == '/') {
if (*string == '*') {
number *= affcnt;
string++;
} else { /* if (*string == '/') */
mandatory = TRUE;
string++;
}
}
if (number > 0
&& (always_delay
|| normal_delay
|| mandatory))
NCURSES_SP_NAME(delay_output) (NCURSES_SP_ARGx number / 10);
} /* endelse (*string == '<') */
} /* endelse (*string == '$') */
if (*string == '\0')
break;
string++;
}
#if BSD_TPUTS
/*
* Emit any BSD-style prefix padding that we've accumulated now.
*/
if (trailpad > 0
&& (always_delay || normal_delay))
delay_output(trailpad / 10);
#endif /* BSD_TPUTS */
SetOutCh(my_outch);
return OK;
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
_nc_outc_wrapper(SCREEN *sp, int c)
{
if (0 == sp) {
return (ERR);
} else {
return sp->jump(c);
}
}
NCURSES_EXPORT(int)
tputs(const char *string, int affcnt, int (*outc) (int))
{
SetSafeOutcWrapper(outc);
return NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx string, affcnt, _nc_outc_wrapper);
}
#endif