stty: defaults, more options
This commit is contained in:
K. Lange
parent
e577016371
commit
f34ba9072e
192
apps/stty.c
192
apps/stty.c
@ -4,150 +4,166 @@
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* Copyright (C) 2018 K. Lange
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <termios.h>
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#include <sys/ioctl.h>
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static void print_cc(struct termios * t, const char * lbl, int val) {
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static int hide_defaults = 1;
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static int printed = 0;
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static void print_cc(struct termios * t, const char * lbl, int val, int def) {
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int c = t->c_cc[val];
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if (hide_defaults && c == def) return;
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if (!c) {
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fprintf(stdout, "%s = <undef>; ", lbl);
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} else if (c < 32) {
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fprintf(stdout, "%s = ^%c; ", lbl, '@' + c);
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} else {
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fprintf(stdout, "%s = %c; ", lbl, c);
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}
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printed = 1;
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}
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static void print_(int flags, const char * lbl, int val, int def) {
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int c = !!(flags & val);
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if (!hide_defaults || c != def) {
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fprintf(stdout, "%s%s ", c ? "" : "-", lbl);
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printed = 1;
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}
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}
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static void print_flag(struct termios * t, const char * lbl, int val) {
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int c = t->c_cflag & val;
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fprintf(stdout, "%s%s ", c ? "" : "-", lbl);
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}
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static void print_iflag(struct termios * t, const char * lbl, int val) {
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int c = t->c_iflag & val;
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fprintf(stdout, "%s%s ", c ? "" : "-", lbl);
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}
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static void print_oflag(struct termios * t, const char * lbl, int val) {
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int c = t->c_oflag & val;
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fprintf(stdout, "%s%s ", c ? "" : "-", lbl);
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}
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static void print_lflag(struct termios * t, const char * lbl, int val) {
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int c = t->c_lflag & val;
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fprintf(stdout, "%s%s ", c ? "" : "-", lbl);
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}
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#define print_cflag(lbl,val,def) print_(t.c_cflag, lbl, val, def)
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#define print_iflag(lbl,val,def) print_(t.c_iflag, lbl, val, def)
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#define print_oflag(lbl,val,def) print_(t.c_oflag, lbl, val, def)
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#define print_lflag(lbl,val,def) print_(t.c_lflag, lbl, val, def)
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static int show_settings(int all) {
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/* Size */
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struct winsize w;
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ioctl(STDERR_FILENO, TIOCGWINSZ, &w);
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fprintf(stdout, "rows %d; columns %d; ypixels %d; xpixels %d;\n", w.ws_row, w.ws_col, w.ws_ypixel, w.ws_xpixel);
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printed = 0;
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struct termios t;
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tcgetattr(STDERR_FILENO, &t);
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/* Keys */
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print_cc(&t, "intr", VINTR);
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print_cc(&t, "quit", VQUIT);
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print_cc(&t, "erase", VERASE);
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print_cc(&t, "kill", VKILL);
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print_cc(&t, "eof", VEOF);
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print_cc(&t, "eol", VEOL);
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fprintf(stdout, "\n");
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print_cc(&t, "intr", VINTR, 3);
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print_cc(&t, "quit", VQUIT, 28);
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print_cc(&t, "erase", VERASE, '\b');
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print_cc(&t, "kill", VKILL, 21);
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print_cc(&t, "eof", VEOF, 4);
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print_cc(&t, "eol", VEOL, 0);
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if (printed) { fprintf(stdout, "\n"); printed = 0; }
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print_cc(&t, "start", VSTART);
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print_cc(&t, "stop", VSTOP);
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print_cc(&t, "susp", VSUSP);
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print_cc(&t, "start", VSTART, 17);
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print_cc(&t, "stop", VSTOP, 19);
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print_cc(&t, "susp", VSUSP, 26);
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/* MIN, TIME */
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fprintf(stdout, "min = %d; time = %d;\n", t.c_cc[VMIN], t.c_cc[VTIME]);
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print_flag(&t, "parenb", PARENB);
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print_flag(&t, "parodd", PARODD);
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if (!hide_defaults || t.c_cc[VMIN] != 1) { fprintf(stdout, "min = %d; ", t.c_cc[VMIN]); printed = 1; }
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if (!hide_defaults || t.c_cc[VTIME] != 0) { fprintf(stdout, "time = %d; ", t.c_cc[VTIME]); printed = 1; }
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if (printed) { fprintf(stdout, "\n"); printed = 0; }
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switch ((t.c_cflag & CSIZE)) {
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case CS5: fprintf(stdout, "cs5 "); break;
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case CS6: fprintf(stdout, "cs6 "); break;
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case CS7: fprintf(stdout, "cs7 "); break;
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case CS8: fprintf(stdout, "cs8 "); break;
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case CS5: fprintf(stdout, "cs5 "); printed = 1; break;
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case CS6: fprintf(stdout, "cs6 "); printed = 1; break;
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case CS7: fprintf(stdout, "cs7 "); printed = 1; break;
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case CS8: if (!hide_defaults) { fprintf(stdout, "cs8 "); printed = 1; } break;
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}
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print_flag(&t, "hupcl", HUPCL);
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print_flag(&t, "cstopb", CSTOPB);
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print_flag(&t, "cread", CREAD);
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print_flag(&t, "clocal", CLOCAL);
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fprintf(stdout, "\n");
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print_cflag("cstopb", CSTOPB, 0);
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print_cflag("cread", CREAD, 1);
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print_cflag("parenb", PARENB, 0);
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print_cflag("parodd", PARODD, 0);
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print_cflag("hupcl", HUPCL, 0);
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print_cflag("clocal", CLOCAL, 0);
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if (printed) { fprintf(stdout, "\n"); printed = 0; }
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print_iflag(&t, "ignbrk", IGNBRK);
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print_iflag(&t, "brkint", BRKINT);
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print_iflag(&t, "ignpar", IGNPAR);
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print_iflag(&t, "parmrk", PARMRK);
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print_iflag(&t, "inpck", INPCK);
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print_iflag(&t, "istrip", ISTRIP);
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print_iflag(&t, "inlcr", INLCR);
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print_iflag(&t, "ixon", IXON);
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print_iflag(&t, "ixany", IXANY);
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print_iflag(&t, "ixoff", IXOFF);
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fprintf(stdout, "\n");
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print_iflag("brkint", BRKINT, 1);
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print_iflag("icrnl", ICRNL, 1);
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print_iflag("ignbrk", IGNBRK, 0);
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print_iflag("igncr", IGNCR, 0);
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print_iflag("ignpar", IGNPAR, 0);
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print_iflag("inlcr", INLCR, 0);
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print_iflag("inpck", INPCK, 0);
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print_iflag("istrip", ISTRIP, 0);
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print_iflag("ixany", IXANY, 0);
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print_iflag("ixoff", IXOFF, 0);
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print_iflag("ixon", IXON, 0);
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print_iflag("parmrk", PARMRK, 0);
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if (printed) { fprintf(stdout, "\n"); printed = 0; }
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print_oflag(&t, "opost", OPOST);
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print_oflag(&t, "onlcr", ONLCR);
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print_oflag(&t, "ocrnl", OCRNL);
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print_oflag(&t, "onocr", ONOCR);
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print_oflag(&t, "onlret", ONLRET);
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print_oflag(&t, "ofill", OFILL);
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print_oflag(&t, "ofdel", OFDEL);
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print_oflag("opost", OPOST, 1);
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print_oflag("olcuc", OLCUC, 0);
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print_oflag("onlcr", ONLCR, 1);
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print_oflag("ocrnl", OCRNL, 0);
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print_oflag("onocr", ONOCR, 0);
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print_oflag("onlret", ONLRET, 0);
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print_oflag("ofill", OFILL, 0);
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print_oflag("ofdel", OFDEL, 0);
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switch ((t.c_oflag & CRDLY)) {
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case CR0: fprintf(stdout, "cr0 "); break;
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case CR1: fprintf(stdout, "cr1 "); break;
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case CR2: fprintf(stdout, "cr2 "); break;
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case CR3: fprintf(stdout, "cr3 "); break;
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case CR0: if (!hide_defaults) { fprintf(stdout, "cr0 "); printed = 1; } break;
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case CR1: fprintf(stdout, "cr1 "); printed = 1; break;
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case CR2: fprintf(stdout, "cr2 "); printed = 1; break;
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case CR3: fprintf(stdout, "cr3 "); printed = 1; break;
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}
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switch ((t.c_oflag & NLDLY)) {
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case NL0: fprintf(stdout, "nl0 "); break;
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case NL1: fprintf(stdout, "nl1 "); break;
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case NL0: if (!hide_defaults) { fprintf(stdout, "nl0 "); printed = 1; } break;
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case NL1: fprintf(stdout, "nl1 "); printed = 1; break;
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}
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switch ((t.c_oflag & TABDLY)) {
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case TAB0: fprintf(stdout, "tab0 "); break;
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case TAB1: fprintf(stdout, "tab1 "); break;
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case TAB2: fprintf(stdout, "tab2 "); break;
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case TAB3: fprintf(stdout, "tab3 "); break;
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case TAB0: if (!hide_defaults) { fprintf(stdout, "tab0 "); printed = 1; } break;
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case TAB1: fprintf(stdout, "tab1 "); printed = 1; break;
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case TAB2: fprintf(stdout, "tab2 "); printed = 1; break;
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case TAB3: fprintf(stdout, "tab3 "); printed = 1; break;
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}
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switch ((t.c_oflag & BSDLY)) {
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case BS0: fprintf(stdout, "bs0 "); break;
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case BS1: fprintf(stdout, "bs1 "); break;
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case BS0: if (!hide_defaults) { fprintf(stdout, "bs0 "); printed = 1; } break;
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case BS1: fprintf(stdout, "bs1 "); printed = 1; break;
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}
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switch ((t.c_oflag & FFDLY)) {
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case FF0: fprintf(stdout, "ff0 "); break;
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case FF1: fprintf(stdout, "ff1 "); break;
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case FF0: if (!hide_defaults) { fprintf(stdout, "ff0 "); printed = 1; } break;
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case FF1: fprintf(stdout, "ff1 "); printed = 1; break;
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}
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switch ((t.c_oflag & VTDLY)) {
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case VT0: fprintf(stdout, "vt0\n"); break;
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case VT1: fprintf(stdout, "vt1\n"); break;
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case VT0: if (!hide_defaults) { fprintf(stdout, "vt0"); printed = 1; } break;
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case VT1: fprintf(stdout, "vt1"); printed = 1; break;
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}
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if (printed) { fprintf(stdout, "\n"); printed = 0; }
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print_lflag(&t, "isig", ISIG);
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print_lflag(&t, "icanon", ICANON);
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print_lflag(&t, "iexten", IEXTEN);
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print_lflag(&t, "echo", ECHO);
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print_lflag(&t, "echoe", ECHOE);
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print_lflag(&t, "echok", ECHOK);
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print_lflag(&t, "echonl", ECHONL);
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print_lflag(&t, "noflsh", NOFLSH);
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print_lflag(&t, "tostop", TOSTOP);
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fprintf(stdout, "\n");
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print_lflag("isig", ISIG, 1);
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print_lflag("icanon", ICANON, 1);
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print_lflag("xcase", XCASE, 0);
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print_lflag("echo", ECHO, 1);
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print_lflag("echoe", ECHOE, 1);
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print_lflag("echok", ECHOK, 1);
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print_lflag("echonl", ECHONL, 0);
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print_lflag("noflsh", NOFLSH, 0);
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print_lflag("tostop", TOSTOP, 0);
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print_lflag("iexten", IEXTEN, 1);
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if (printed) { fprintf(stdout, "\n"); printed = 0; }
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return 0;
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}
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int main(int argc, char * argv[]) {
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if (argc < 2) {
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int i = 1;
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if (i < argc && !strcmp(argv[i], "-a")) {
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hide_defaults = 0;
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i++;
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}
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if (i == argc) {
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return show_settings(0);
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}
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