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MKtermsort.sh
(6.48 KB)
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Makefile.in
(11.83 KB)
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capconvert
(8.67 KB)
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clear.c
(3.93 KB)
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clear.sh
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clear_cmd.c
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clear_cmd.h
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dump_entry.c
(42.85 KB)
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dump_entry.h
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infocmp.c
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modules
(3.34 KB)
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progs.priv.h
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reset_cmd.c
(15.42 KB)
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reset_cmd.h
(3.36 KB)
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tabs.c
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tic.c
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toe.c
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tparm_type.c
(3.34 KB)
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tparm_type.h
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tput.c
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transform.c
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tset.c
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tty_settings.c
(3.93 KB)
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tty_settings.h
(2.83 KB)
Editing: tty_settings.c
/**************************************************************************** * Copyright 2020 Thomas E. Dickey * * Copyright 2016,2017 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: Thomas E. Dickey * ****************************************************************************/ #define USE_LIBTINFO #include <tty_settings.h> #include <fcntl.h> MODULE_ID("$Id: tty_settings.c,v 1.6 2020/02/02 23:34:34 tom Exp $") static int my_fd; static TTY original_settings; static bool can_restore = FALSE; static void failed(const char *msg) { int code = errno; (void) fprintf(stderr, "%s: %s: %s\n", _nc_progname, msg, strerror(code)); restore_tty_settings(); (void) fprintf(stderr, "\n"); ExitProgram(ErrSystem(code)); /* NOTREACHED */ } static bool get_tty_settings(int fd, TTY * tty_settings) { bool success = TRUE; my_fd = fd; if (fd < 0 || GET_TTY(my_fd, tty_settings) < 0) { success = FALSE; } return success; } /* * Open a file descriptor on the current terminal, to obtain its settings. * stderr is less likely to be redirected than stdout; try that first. */ int save_tty_settings(TTY * tty_settings, bool need_tty) { if (!get_tty_settings(STDERR_FILENO, tty_settings) && !get_tty_settings(STDOUT_FILENO, tty_settings) && !get_tty_settings(STDIN_FILENO, tty_settings) && !get_tty_settings(open("/dev/tty", O_RDWR), tty_settings)) { if (need_tty) { failed("terminal attributes"); } else { my_fd = fileno(stdout); } } else { can_restore = TRUE; original_settings = *tty_settings; } return my_fd; } void restore_tty_settings(void) { if (can_restore) SET_TTY(my_fd, &original_settings); } /* Set the modes if they've changed. */ void update_tty_settings(TTY * old_settings, TTY * new_settings) { if (memcmp(new_settings, old_settings, sizeof(TTY))) { SET_TTY(my_fd, new_settings); } }
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