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Makefile
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Makefile.depend
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extern.h
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map.c
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misc.c
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set.c
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term.c
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tset.1
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tset.c
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wrterm.c
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Editing: tset.c
/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1980, 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #ifndef lint static const char copyright[] = "@(#) Copyright (c) 1980, 1991, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif #ifndef lint static const char sccsid[] = "@(#)tset.c 8.1 (Berkeley) 6/9/93"; #endif #include <sys/types.h> #include <sys/ioctl.h> #include <ctype.h> #include <err.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <termcap.h> #include <termios.h> #include <unistd.h> #include "extern.h" void obsolete(char *[]); void report(const char *, int, u_int); void usage(void); struct termios mode, oldmode; int erasech; /* new erase character */ int intrchar; /* new interrupt character */ int isreset; /* invoked as reset */ int killch; /* new kill character */ int Lines, Columns; /* window size */ speed_t Ospeed; int main(int argc, char *argv[]) { #ifdef TIOCGWINSZ struct winsize win; #endif int ch, noinit, noset, quiet, Sflag, sflag, showterm, usingupper; char *p, *tcapbuf; const char *ttype; if (tcgetattr(STDERR_FILENO, &mode) < 0) err(1, "standard error"); oldmode = mode; Ospeed = cfgetospeed(&mode); if ((p = strrchr(*argv, '/'))) ++p; else p = *argv; usingupper = isupper(*p); if (!strcasecmp(p, "reset")) { isreset = 1; reset_mode(); } obsolete(argv); noinit = noset = quiet = Sflag = sflag = showterm = 0; while ((ch = getopt(argc, argv, "-a:d:e:Ii:k:m:np:QSrs")) != -1) { switch (ch) { case '-': /* display term only */ noset = 1; break; case 'a': /* OBSOLETE: map identifier to type */ add_mapping("arpanet", optarg); break; case 'd': /* OBSOLETE: map identifier to type */ add_mapping("dialup", optarg); break; case 'e': /* erase character */ erasech = optarg[0] == '^' && optarg[1] != '\0' ? optarg[1] == '?' ? '\177' : CTRL(optarg[1]) : optarg[0]; break; case 'I': /* no initialization strings */ noinit = 1; break; case 'i': /* interrupt character */ intrchar = optarg[0] == '^' && optarg[1] != '\0' ? optarg[1] == '?' ? '\177' : CTRL(optarg[1]) : optarg[0]; break; case 'k': /* kill character */ killch = optarg[0] == '^' && optarg[1] != '\0' ? optarg[1] == '?' ? '\177' : CTRL(optarg[1]) : optarg[0]; break; case 'm': /* map identifier to type */ add_mapping(NULL, optarg); break; case 'n': /* OBSOLETE: set new tty driver */ break; case 'p': /* OBSOLETE: map identifier to type */ add_mapping("plugboard", optarg); break; case 'Q': /* don't output control key settings */ quiet = 1; break; case 'S': /* output TERM/TERMCAP strings */ Sflag = 1; break; case 'r': /* display term on stderr */ showterm = 1; break; case 's': /* output TERM/TERMCAP strings */ sflag = 1; break; case '?': default: usage(); } } argc -= optind; argv += optind; if (argc > 1) usage(); ttype = get_termcap_entry(*argv, &tcapbuf); if (!noset) { Columns = tgetnum("co"); Lines = tgetnum("li"); #ifdef TIOCGWINSZ /* Set window size */ (void)ioctl(STDERR_FILENO, TIOCGWINSZ, &win); if (win.ws_row == 0 && win.ws_col == 0 && Lines > 0 && Columns > 0) { win.ws_row = Lines; win.ws_col = Columns; (void)ioctl(STDERR_FILENO, TIOCSWINSZ, &win); } #endif set_control_chars(); set_conversions(usingupper); if (!noinit) set_init(); /* Set the modes if they've changed. */ if (memcmp(&mode, &oldmode, sizeof(mode))) tcsetattr(STDERR_FILENO, TCSADRAIN, &mode); } if (noset) (void)printf("%s\n", ttype); else { if (showterm) (void)fprintf(stderr, "Terminal type is %s.\n", ttype); /* * If erase, kill and interrupt characters could have been * modified and not -Q, display the changes. */ if (!quiet) { report("Erase", VERASE, CERASE); report("Kill", VKILL, CKILL); report("Interrupt", VINTR, CINTR); } } if (Sflag) { (void)printf("%s ", ttype); if (strlen(tcapbuf) > 0) wrtermcap(tcapbuf); } if (sflag) { /* * Figure out what shell we're using. A hack, we look for an * environmental variable SHELL ending in "csh". */ if ((p = getenv("SHELL")) && !strcmp(p + strlen(p) - 3, "csh")) { printf("set noglob;\nsetenv TERM %s;\n", ttype); if (strlen(tcapbuf) > 0) { printf("setenv TERMCAP '"); wrtermcap(tcapbuf); printf("';\n"); } printf("unset noglob;\n"); } else { printf("TERM=%s;\n", ttype); if (strlen(tcapbuf) > 0) { printf("TERMCAP='"); wrtermcap(tcapbuf); printf("';\nexport TERMCAP;\n"); } printf("export TERM;\n"); } } exit(0); } /* * Tell the user if a control key has been changed from the default value. */ void report(const char *name, int which, u_int def) { u_int old, new; new = mode.c_cc[which]; old = oldmode.c_cc[which]; if (old == new && old == def) return; (void)fprintf(stderr, "%s %s ", name, old == new ? "is" : "set to"); if (new == 010) (void)fprintf(stderr, "backspace.\n"); else if (new == 0177) (void)fprintf(stderr, "delete.\n"); else if (new < 040) { new ^= 0100; (void)fprintf(stderr, "control-%c (^%c).\n", new, new); } else (void)fprintf(stderr, "%c.\n", new); } /* * Convert the obsolete argument form into something that getopt can handle. * This means that -e, -i and -k get default arguments supplied for them. */ void obsolete(char *argv[]) { for (; *argv; ++argv) { if (argv[0][0] != '-' || (argv[1] && argv[1][0] != '-') || (argv[0][1] != 'e' && argv[0][1] != 'i' && argv[0][1] != 'k') || argv[0][2] != '\0') continue; switch(argv[0][1]) { case 'e': argv[0] = strdup("-e^H"); break; case 'i': argv[0] = strdup("-i^C"); break; case 'k': argv[0] = strdup("-k^U"); break; } } } void usage(void) { (void)fprintf(stderr, "%s\n%s\n", "usage: tset [-IQrSs] [-] [-e ch] [-i ch] [-k ch] [-m mapping] [terminal]", " reset [-IQrSs] [-] [-e ch] [-i ch] [-k ch] [-m mapping] [terminal]"); exit(1); }
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