| /**************************************************************************** |
| * Copyright (c) 1998-2013,2015 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 1.96 2015/01/03 23:51:23 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) |
| { |
| if (SP_PARM != 0 && SP_PARM->_ofd >= 0) { |
| if (SP_PARM->out_inuse) { |
| char *buf = SP_PARM->out_buffer; |
| size_t amount = SP->out_inuse; |
| ssize_t res; |
| |
| SP->out_inuse = 0; |
| while (amount) { |
| res = write(SP_PARM->_ofd, buf, amount); |
| |
| if (res > 0) { |
| /* if the write was incomplete, try again */ |
| amount -= (size_t) res; |
| buf += res; |
| } else if (errno == EAGAIN) { |
| continue; |
| } else if (errno == EINTR) { |
| continue; |
| } else { |
| break; /* an error we can not recover from */ |
| } |
| } |
| } |
| } |
| } |
| |
| #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) { |
| if (SP_PARM->out_buffer != 0) { |
| if (SP_PARM->out_inuse + 1 >= SP_PARM->out_limit) |
| NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG); |
| SP_PARM->out_buffer[SP_PARM->out_inuse++] = (char) ch; |
| } else { |
| 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, (size_t) 1) == -1) |
| rc = ERR; |
| } |
| } else { |
| char tmp = (char) ch; |
| if (write(fileno(stdout), &tmp, (size_t) 1) == -1) |
| 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 |
| |
| /* |
| * This is used for the putp special case. |
| */ |
| NCURSES_EXPORT(int) |
| NCURSES_SP_NAME(_nc_putchar) (NCURSES_SP_DCLx int ch) |
| { |
| (void) SP_PARM; |
| return putchar(ch); |
| } |
| |
| #if NCURSES_SP_FUNCS |
| NCURSES_EXPORT(int) |
| _nc_putchar(int ch) |
| { |
| return putchar(ch); |
| } |
| #endif |
| |
| /* |
| * putp is special - per documentation it calls tputs with putchar as the |
| * parameter for outputting characters. This means that it uses stdio, which |
| * is not signal-safe. Applications call this entrypoint; we do not call it |
| * from within the library. |
| */ |
| 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_putchar)); |
| } |
| |
| #if NCURSES_SP_FUNCS |
| NCURSES_EXPORT(int) |
| putp(const char *string) |
| { |
| return NCURSES_SP_NAME(putp) (CURRENT_SCREEN, string); |
| } |
| #endif |
| |
| /* |
| * Use these entrypoints rather than "putp" within the library. |
| */ |
| 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(tputs) (NCURSES_SP_ARGx |
| string, 1, NCURSES_SP_NAME(_nc_outch)); |
| } |
| return rc; |
| } |
| |
| #if NCURSES_SP_FUNCS |
| 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)) |
| _nc_STRCPY(addrbuf, "_nc_outch", sizeof(addrbuf)); |
| else |
| _nc_SPRINTF(addrbuf, _nc_SLIMIT(sizeof(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 |