| /**************************************************************************** |
| * Copyright (c) 1998-2007,2008 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 * |
| ****************************************************************************/ |
| |
| /* |
| * 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("$Id: lib_tputs.c,v 1.66 2008/06/28 13:12:15 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 |
| |
| static int (*my_outch) (int c) = _nc_outch; |
| |
| NCURSES_EXPORT(int) |
| delay_output(int ms) |
| { |
| T((T_CALLED("delay_output(%d)"), ms)); |
| |
| if (no_pad_char) { |
| _nc_flush(); |
| napms(ms); |
| } else { |
| register int nullcount; |
| |
| nullcount = (ms * _nc_baudrate(ospeed)) / (BAUDBYTE * 1000); |
| for (_nc_nulls_sent += nullcount; nullcount > 0; nullcount--) |
| my_outch(PC); |
| if (my_outch == _nc_outch) |
| _nc_flush(); |
| } |
| |
| returnCode(OK); |
| } |
| |
| NCURSES_EXPORT(void) |
| _nc_flush(void) |
| { |
| (void) fflush(NC_OUTPUT); |
| } |
| |
| NCURSES_EXPORT(int) |
| _nc_outch(int ch) |
| { |
| COUNT_OUTCHARS(1); |
| |
| if (SP != 0 |
| && SP->_cleanup) { |
| char tmp = ch; |
| /* |
| * POSIX says write() is safe in a signal handler, but the |
| * buffered I/O is not. |
| */ |
| write(fileno(NC_OUTPUT), &tmp, 1); |
| } else { |
| putc(ch, NC_OUTPUT); |
| } |
| return OK; |
| } |
| |
| NCURSES_EXPORT(int) |
| putp(const char *string) |
| { |
| return tputs(string, 1, _nc_outch); |
| } |
| |
| NCURSES_EXPORT(int) |
| tputs(const char *string, int affcnt, int (*outc) (int)) |
| { |
| 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 == _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 (!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 |
| #if NCURSES_NO_PADDING |
| && !GetNoPadding(SP) |
| #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 */ |
| |
| my_outch = outc; /* redirect delay_output() */ |
| while (*string) { |
| if (*string != '$') |
| (*outc) (*string); |
| else { |
| string++; |
| if (*string != '<') { |
| (*outc) ('$'); |
| if (*string) |
| (*outc) (*string); |
| } else { |
| bool mandatory; |
| |
| string++; |
| if ((!isdigit(UChar(*string)) && *string != '.') |
| || !strchr(string, '>')) { |
| (*outc) ('$'); |
| (*outc) ('<'); |
| 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)) |
| delay_output(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 */ |
| |
| my_outch = _nc_outch; |
| return OK; |
| } |
