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/* $OpenBSD: lib_tputs.c,v 1.2 1999/03/02 06:23:29 millert Exp $ */
/****************************************************************************
* Copyright (c) 1998 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> *
****************************************************************************/
/*
* tputs.c
* delay_output()
* _nc_outch()
* tputs()
*
*/
#include <curses.priv.h>
#include <ctype.h>
#include <term.h> /* padding_baud_rate, xon_xoff */
#include <termcap.h> /* ospeed */
#include <tic.h>
MODULE_ID("$From: lib_tputs.c,v 1.39 1999/02/25 10:44:29 tom Exp $")
#define OUTPUT ((SP != 0) ? SP->_ofp : stdout)
char PC; /* used by termcap library */
speed_t ospeed; /* used by termcap library */
int _nc_nulls_sent; /* used by 'tack' program */
static int (*my_outch)(int c) = _nc_outch;
int delay_output(int ms)
{
T((T_CALLED("delay_output(%d)"), ms));
if (no_pad_char)
napms(ms);
else {
register int nullcount;
nullcount = (ms * _nc_baudrate(ospeed)) / 10000;
for (_nc_nulls_sent += nullcount; nullcount > 0; nullcount--)
my_outch(PC);
if (my_outch == _nc_outch)
(void) fflush(OUTPUT);
}
returnCode(OK);
}
int _nc_outch(int ch)
{
#ifdef TRACE
_nc_outchars++;
#endif /* TRACE */
putc(ch, OUTPUT);
return OK;
}
int putp(const char *string)
{
return tputs(string, 1, _nc_outch);
}
int tputs(const char *string, int affcnt, int (*outc)(int))
{
bool always_delay;
bool normal_delay;
int number;
#ifdef BSD_TPUTS
int trailpad;
#endif /* BSD_TPUTS */
#ifdef TRACE
char addrbuf[32];
if (_nc_tracing & TRACE_TPUTS)
{
if (outc == _nc_outch)
(void) strcpy(addrbuf, "_nc_outch");
else
(void) sprintf(addrbuf, "%p", outc);
if (_nc_tputs_trace) {
TR(TRACE_MAXIMUM, ("tputs(%s = %s, %d, %s) called", _nc_tputs_trace, _nc_visbuf(string), affcnt, addrbuf));
}
else {
TR(TRACE_MAXIMUM, ("tputs(%s, %d, %s) called", _nc_visbuf(string), affcnt, addrbuf));
}
_nc_tputs_trace = (char *)NULL;
}
#endif /* TRACE */
if (!VALID_STRING(string))
return ERR;
if (cur_term == 0) {
always_delay = FALSE;
normal_delay = TRUE;
} else {
always_delay = (string == bell) || (string == flash_screen);
normal_delay =
!xon_xoff
&& padding_baud_rate
#ifdef NCURSES_NO_PADDING
&& (SP == 0 || !(SP->_no_padding))
#endif
&& (_nc_baudrate(ospeed) >= padding_baud_rate);
}
#ifdef 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(*string)) {
while (isdigit(*string)) {
trailpad = trailpad * 10 + (*string - '0');
string++;
}
trailpad *= 10;
if (*string == '.') {
string++;
if (isdigit(*string)) {
trailpad += (*string - '0');
string++;
}
while (isdigit(*string))
string++;
}
if (*string == '*') {
trailpad *= affcnt;
string++;
}
}
#endif /* BSD_TPUTS */
my_outch = outc; /* redirect delay_output() */
while (*string) {
if (*string != '$')
(*outc)(*string);
else {
string++;
if (*string != '<') {
(*outc)('$');
if (*string)
(*outc)(*string);
} else {
bool mandatory;
string++;
if ((!isdigit(*string) && *string != '.') || !strchr(string, '>')) {
(*outc)('$');
(*outc)('<');
continue;
}
number = 0;
while (isdigit(*string)) {
number = number * 10 + (*string - '0');
string++;
}
number *= 10;
if (*string == '.') {
string++;
if (isdigit(*string)) {
number += (*string - '0');
string++;
}
while (isdigit(*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))
delay_output(number/10);
} /* endelse (*string == '<') */
} /* endelse (*string == '$') */
if (*string == '\0')
break;
string++;
}
#ifdef 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 */
my_outch = _nc_outch;
return OK;
}
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