X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_ttyflags.c;h=a2b38a3327f12e3ca264a85e9afafc59b68f314c;hp=0e57c512b20f3e0b107cd7f85f87288743c01eb6;hb=8f527f87c0b979d9c2598ef5c3394463af288468;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce diff --git a/ncurses/tinfo/lib_ttyflags.c b/ncurses/tinfo/lib_ttyflags.c index 0e57c512..a2b38a33 100644 --- a/ncurses/tinfo/lib_ttyflags.c +++ b/ncurses/tinfo/lib_ttyflags.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * 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 * @@ -36,109 +36,166 @@ */ #include -#include /* cur_term */ +#include /* cur_term */ -MODULE_ID("$Id: lib_ttyflags.c,v 1.3 1999/10/22 21:38:55 tom Exp $") +MODULE_ID("$Id: lib_ttyflags.c,v 1.18 2008/08/03 22:10:44 tom Exp $") -#undef tabs +NCURSES_EXPORT(int) +_nc_get_tty_mode(TTY * buf) +{ + int result = OK; + + if (buf == 0) { + result = ERR; + } else { + if (cur_term == 0) { + result = ERR; + } else { + for (;;) { + if (GET_TTY(cur_term->Filedes, buf) != 0) { + if (errno == EINTR) + continue; + result = ERR; + } + break; + } + } -#ifdef TAB3 -# define tabs TAB3 -#else -# ifdef XTABS -# define tabs XTABS -# else -# ifdef OXTABS -# define tabs OXTABS -# else -# define tabs 0 -# endif -# endif -#endif + if (result == ERR) + memset(buf, 0, sizeof(*buf)); -int _nc_get_tty_mode(TTY *buf) -{ - if (cur_term == 0 - || GET_TTY(cur_term->Filedes, buf) != 0) - return(ERR); - TR(TRACE_BITS,("_nc_get_tty_mode: %s", _nc_tracebits())); - return (OK); + TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s", + cur_term ? cur_term->Filedes : -1, + _nc_trace_ttymode(buf))); + } + return (result); } -int _nc_set_tty_mode(TTY *buf) +NCURSES_EXPORT(int) +_nc_set_tty_mode(TTY * buf) { - if (cur_term == 0 - || SET_TTY(cur_term->Filedes, buf) != 0) - return(ERR); - TR(TRACE_BITS,("_nc_set_tty_mode: %s", _nc_tracebits())); - return (OK); + int result = OK; + + if (buf == 0) { + result = ERR; + } else { + if (cur_term == 0) { + result = ERR; + } else { + for (;;) { + if (SET_TTY(cur_term->Filedes, buf) != 0) { + if (errno == EINTR) + continue; + if ((errno == ENOTTY) && (SP != 0)) + SP->_notty = TRUE; + result = ERR; + } + break; + } + } + TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s", + cur_term ? cur_term->Filedes : -1, + _nc_trace_ttymode(buf))); + } + return (result); } -int def_shell_mode(void) +NCURSES_EXPORT(int) +def_shell_mode(void) { - T((T_CALLED("def_shell_mode()"))); + int rc = ERR; + + T((T_CALLED("def_shell_mode()"))); + if (cur_term != 0) { /* - * Turn off the XTABS bit in the tty structure if it was on. If XTABS - * was on, remove the tab and backtab capabilities. + * If XTABS was on, remove the tab and backtab capabilities. */ - - if (_nc_get_tty_mode(&cur_term->Ottyb) != OK) - returnCode(ERR); + if (_nc_get_tty_mode(&cur_term->Ottyb) == OK) { #ifdef TERMIOS - if (cur_term->Ottyb.c_oflag & tabs) + if (cur_term->Ottyb.c_oflag & OFLAGS_TABS) tab = back_tab = NULL; #else - if (cur_term->Ottyb.sg_flags & XTABS) + if (cur_term->Ottyb.sg_flags & XTABS) tab = back_tab = NULL; #endif - returnCode(OK); + rc = OK; + } + } + returnCode(rc); } -int def_prog_mode(void) +NCURSES_EXPORT(int) +def_prog_mode(void) { - T((T_CALLED("def_prog_mode()"))); + int rc = ERR; + + T((T_CALLED("def_prog_mode()"))); - if (_nc_get_tty_mode(&cur_term->Nttyb) != OK) - returnCode(ERR); + if (cur_term != 0) { + /* + * Turn off the XTABS bit in the tty structure if it was on. + */ + if (_nc_get_tty_mode(&cur_term->Nttyb) == OK) { #ifdef TERMIOS - cur_term->Nttyb.c_oflag &= ~tabs; + cur_term->Nttyb.c_oflag &= ~OFLAGS_TABS; #else - cur_term->Nttyb.sg_flags &= ~XTABS; + cur_term->Nttyb.sg_flags &= ~XTABS; #endif - returnCode(OK); + rc = OK; + } + } + returnCode(rc); } -int reset_prog_mode(void) +NCURSES_EXPORT(int) +reset_prog_mode(void) { - T((T_CALLED("reset_prog_mode()"))); - - if (cur_term != 0) { - _nc_set_tty_mode(&cur_term->Nttyb); - if (SP) { - if (stdscr && stdscr->_use_keypad) - _nc_keypad(TRUE); - NC_BUFFERED(TRUE); - } - returnCode(OK); + T((T_CALLED("reset_prog_mode()"))); + + if (cur_term != 0) { + if (_nc_set_tty_mode(&cur_term->Nttyb) == OK) { + if (SP) { + if (SP->_keypad_on) + _nc_keypad(SP, TRUE); + NC_BUFFERED(TRUE); + } + returnCode(OK); } - returnCode(ERR); + } + returnCode(ERR); } -int reset_shell_mode(void) +NCURSES_EXPORT(int) +reset_shell_mode(void) { - T((T_CALLED("reset_shell_mode()"))); - - if (cur_term != 0) { - if (SP) - { - _nc_keypad(FALSE); - _nc_flush(); - NC_BUFFERED(FALSE); - } - returnCode(_nc_set_tty_mode(&cur_term->Ottyb)); + T((T_CALLED("reset_shell_mode()"))); + + if (cur_term != 0) { + if (SP) { + _nc_keypad(SP, FALSE); + _nc_flush(); + NC_BUFFERED(FALSE); } - returnCode(ERR); + returnCode(_nc_set_tty_mode(&cur_term->Ottyb)); + } + returnCode(ERR); +} + +static TTY * +saved_tty(void) +{ + TTY *result = 0; + + if (SP != 0) { + result = &(SP->_saved_tty); + } else { + if (_nc_prescreen.saved_tty == 0) { + _nc_prescreen.saved_tty = typeCalloc(TTY, 1); + } + result = _nc_prescreen.saved_tty; + } + return result; } /* @@ -146,18 +203,18 @@ int reset_shell_mode(void) ** */ -static TTY buf; - -int savetty(void) +NCURSES_EXPORT(int) +savetty(void) { - T((T_CALLED("savetty()"))); + T((T_CALLED("savetty()"))); - returnCode(_nc_get_tty_mode(&buf)); + returnCode(_nc_get_tty_mode(saved_tty())); } -int resetty(void) +NCURSES_EXPORT(int) +resetty(void) { - T((T_CALLED("resetty()"))); + T((T_CALLED("resetty()"))); - returnCode(_nc_set_tty_mode(&buf)); + returnCode(_nc_set_tty_mode(saved_tty())); }