X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_tputs.c;h=39a4832b86969b039f29af3a44772363c636fe4a;hp=a8b7276895a503a9e3bb2037bdc5e2eeef88836d;hb=76a479337308b4b5e749fa8c38b7b7f482998c5b;hpb=3ce60e9f58cc00309981ed711d0b0d3362105881 diff --git a/ncurses/tinfo/lib_tputs.c b/ncurses/tinfo/lib_tputs.c index a8b72768..39a4832b 100644 --- a/ncurses/tinfo/lib_tputs.c +++ b/ncurses/tinfo/lib_tputs.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * + * Copyright (c) 1998-2015,2016 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 * @@ -30,6 +30,7 @@ * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * * and: Thomas E. Dickey 1996-on * + * and: Juergen Pfeifer 2009 * ****************************************************************************/ /* @@ -41,12 +42,16 @@ */ #include + +#ifndef CUR +#define CUR SP_TERMTYPE +#endif + #include -#include /* padding_baud_rate, xon_xoff */ #include /* ospeed */ #include -MODULE_ID("$Id: lib_tputs.c,v 1.66 2008/06/28 13:12:15 tom Exp $") +MODULE_ID("$Id: lib_tputs.c,v 1.98 2016/05/28 21:58:45 tom Exp $") NCURSES_EXPORT_VAR(char) PC = 0; /* used by termcap library */ NCURSES_EXPORT_VAR(NCURSES_OSPEED) ospeed = 0; /* used by termcap library */ @@ -69,63 +74,194 @@ _nc_set_no_padding(SCREEN *sp) } #endif -static int (*my_outch) (int c) = _nc_outch; +#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) -delay_output(int ms) +NCURSES_SP_NAME(delay_output) (NCURSES_SP_DCLx int ms) { - T((T_CALLED("delay_output(%d)"), ms)); + T((T_CALLED("delay_output(%p,%d)"), (void *) SP_PARM, ms)); + + if (!HasTInfoTerminal(SP_PARM)) + returnCode(ERR); if (no_pad_char) { - _nc_flush(); + 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(PC); - if (my_outch == _nc_outch) - _nc_flush(); + 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; + + SP->out_inuse = 0; + while (amount) { + ssize_t 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) { - (void) fflush(NC_OUTPUT); + NCURSES_SP_NAME(_nc_flush) (CURRENT_SCREEN); } +#endif NCURSES_EXPORT(int) -_nc_outch(int ch) +NCURSES_SP_NAME(_nc_outch) (NCURSES_SP_DCLx int ch) { + int rc = OK; + 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); + 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 { - putc(ch, NC_OUTPUT); + char tmp = (char) ch; + if (write(fileno(stdout), &tmp, (size_t) 1) == -1) + rc = ERR; } - return OK; + 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 tputs(string, 1, _nc_outch); + return NCURSES_SP_NAME(putp) (CURRENT_SCREEN, string); } +#endif +/* + * Use these entrypoints rather than "putp" within the library. + */ NCURSES_EXPORT(int) -tputs(const char *string, int affcnt, int (*outc) (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; @@ -134,13 +270,13 @@ tputs(const char *string, int affcnt, int (*outc) (int)) #endif /* BSD_TPUTS */ #ifdef TRACE - char addrbuf[32]; - if (USE_TRACEF(TRACE_TPUTS)) { - if (outc == _nc_outch) - (void) strcpy(addrbuf, "_nc_outch"); + char addrbuf[32]; + + if (outc == NCURSES_SP_NAME(_nc_outch)) + _nc_STRCPY(addrbuf, "_nc_outch", sizeof(addrbuf)); else - (void) sprintf(addrbuf, "%p", outc); + _nc_SPRINTF(addrbuf, _nc_SLIMIT(sizeof(addrbuf)) "%p", TR_FUNC(outc)); if (_nc_tputs_trace) { _tracef("tputs(%s = %s, %d, %s) called", _nc_tputs_trace, _nc_visbuf(string), affcnt, addrbuf); @@ -152,10 +288,19 @@ tputs(const char *string, int affcnt, int (*outc) (int)) } #endif /* TRACE */ + if (SP_PARM != 0 && !HasTInfoTerminal(SP_PARM)) + return ERR; + if (!VALID_STRING(string)) return ERR; - if (cur_term == 0) { + if ( +#if NCURSES_SP_FUNCS + (SP_PARM != 0 && SP_PARM->_term == 0) +#else + cur_term == 0 +#endif + ) { always_delay = FALSE; normal_delay = TRUE; } else { @@ -164,7 +309,7 @@ tputs(const char *string, int affcnt, int (*outc) (int)) !xon_xoff && padding_baud_rate #if NCURSES_NO_PADDING - && !GetNoPadding(SP) + && !GetNoPadding(SP_PARM) #endif && (_nc_baudrate(ospeed) >= padding_baud_rate); } @@ -198,24 +343,24 @@ tputs(const char *string, int affcnt, int (*outc) (int)) } #endif /* BSD_TPUTS */ - my_outch = outc; /* redirect delay_output() */ + SetOutCh(outc); /* redirect delay_output() */ while (*string) { if (*string != '$') - (*outc) (*string); + (*outc) (NCURSES_SP_ARGx *string); else { string++; if (*string != '<') { - (*outc) ('$'); + (*outc) (NCURSES_SP_ARGx '$'); if (*string) - (*outc) (*string); + (*outc) (NCURSES_SP_ARGx *string); } else { bool mandatory; string++; if ((!isdigit(UChar(*string)) && *string != '.') || !strchr(string, '>')) { - (*outc) ('$'); - (*outc) ('<'); + (*outc) (NCURSES_SP_ARGx '$'); + (*outc) (NCURSES_SP_ARGx '<'); continue; } @@ -250,7 +395,7 @@ tputs(const char *string, int affcnt, int (*outc) (int)) && (always_delay || normal_delay || mandatory)) - delay_output(number / 10); + NCURSES_SP_NAME(delay_output) (NCURSES_SP_ARGx number / 10); } /* endelse (*string == '<') */ } /* endelse (*string == '$') */ @@ -270,6 +415,25 @@ tputs(const char *string, int affcnt, int (*outc) (int)) delay_output(trailpad / 10); #endif /* BSD_TPUTS */ - my_outch = _nc_outch; + 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