/* $OpenBSD: print.c,v 1.16 2017/04/28 22:16:43 millert Exp $ */ /* $NetBSD: print.c,v 1.11 1996/05/07 18:20:10 jtc Exp $ */ /*- * Copyright (c) 1991, 1993, 1994 * 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 #include #include #include #include #include "stty.h" #include "extern.h" static void binit(char *); static void bput(const char *, unsigned int); static char *ccval(const struct cchar *, int); void print(struct termios *tp, struct winsize *wp, int ldisc, enum FMT fmt) { const struct cchar *p; long tmp; u_char *cc; int cnt, ispeed, ospeed; char buf1[100], buf2[100]; cnt = 0; /* Line discipline. */ if (ldisc != TTYDISC) { switch(ldisc) { case PPPDISC: cnt += printf("ppp disc; "); break; case NMEADISC: cnt += printf("nmea disc; "); break; default: cnt += printf("#%d disc; ", ldisc); break; } } /* Line speed. */ ispeed = cfgetispeed(tp); ospeed = cfgetospeed(tp); if (ispeed != ospeed) cnt += printf("ispeed %d baud; ospeed %d baud;", ispeed, ospeed); else cnt += printf("speed %d baud;", ispeed); if (fmt >= BSD) cnt += printf(" %d rows; %d columns;", wp->ws_row, wp->ws_col); if (cnt) (void)printf("\n"); #define on(f) ((tmp&f) != 0) #define put(n, f, d) \ if (fmt >= BSD || on(f) != d) \ bput(n, on(f)); /* "local" flags */ tmp = tp->c_lflag; binit("lflags"); put("-icanon", ICANON, 1); put("-isig", ISIG, 1); put("-iexten", IEXTEN, 1); put("-echo", ECHO, 1); put("-echoe", ECHOE, 0); put("-echok", ECHOK, 0); put("-echoke", ECHOKE, 0); put("-echonl", ECHONL, 0); put("-echoctl", ECHOCTL, 0); put("-echoprt", ECHOPRT, 0); put("-altwerase", ALTWERASE, 0); put("-noflsh", NOFLSH, 0); put("-tostop", TOSTOP, 0); put("-flusho", FLUSHO, 0); put("-pendin", PENDIN, 0); put("-nokerninfo", NOKERNINFO, 0); put("-extproc", EXTPROC, 0); put("-xcase", XCASE, 0); /* input flags */ tmp = tp->c_iflag; binit("iflags"); put("-istrip", ISTRIP, 0); put("-icrnl", ICRNL, 1); put("-inlcr", INLCR, 0); put("-igncr", IGNCR, 0); put("-iuclc", IUCLC, 0); put("-ixon", IXON, 1); put("-ixoff", IXOFF, 0); put("-ixany", IXANY, 1); put("-imaxbel", IMAXBEL, 1); put("-ignbrk", IGNBRK, 0); put("-brkint", BRKINT, 1); put("-inpck", INPCK, 0); put("-ignpar", IGNPAR, 0); put("-parmrk", PARMRK, 0); /* output flags */ tmp = tp->c_oflag; binit("oflags"); put("-opost", OPOST, 1); put("-onlcr", ONLCR, 1); put("-ocrnl", OCRNL, 0); put("-onocr", ONOCR, 0); put("-onlret", ONLRET, 0); put("-olcuc", OLCUC, 0); put("-oxtabs", OXTABS, 1); put("-onoeot", ONOEOT, 0); /* control flags (hardware state) */ tmp = tp->c_cflag; binit("cflags"); put("-cread", CREAD, 1); switch(tmp&CSIZE) { case CS5: bput("cs5", 0); break; case CS6: bput("cs6", 0); break; case CS7: bput("cs7", 0); break; case CS8: bput("cs8", 0); break; } bput("-parenb", on(PARENB)); put("-parodd", PARODD, 0); put("-hupcl", HUPCL, 1); put("-clocal", CLOCAL, 0); put("-cstopb", CSTOPB, 0); put("-crtscts", CRTSCTS, 0); put("-mdmbuf", MDMBUF, 0); /* special control characters */ cc = tp->c_cc; if (fmt == POSIX) { binit("cchars"); for (p = cchars1; p->name; ++p) { (void)snprintf(buf1, sizeof(buf1), "%s = %s;", p->name, ccval(p, cc[p->sub])); bput(buf1, 0); } binit(NULL); } else { binit(NULL); for (p = cchars1, cnt = 0; p->name; ++p) { if (fmt != BSD && cc[p->sub] == p->def) continue; #define WD "%-8s" (void)snprintf(buf1 + cnt * 8, sizeof(buf1) - cnt * 8, WD, p->name); (void)snprintf(buf2 + cnt * 8, sizeof(buf2) - cnt * 8, WD, ccval(p, cc[p->sub])); if (++cnt == LINELENGTH / 8) { cnt = 0; (void)printf("%s\n", buf1); (void)printf("%s\n", buf2); } } if (cnt) { (void)printf("%s\n", buf1); (void)printf("%s\n", buf2); } } } static int col; static char *label; static void binit(char *lb) { if (col) { (void)printf("\n"); col = 0; } label = lb; } static void bput(const char *s, unsigned int off) { s += off; if (col == 0) { col = printf("%s: %s", label, s); return; } if ((col + strlen(s)) > LINELENGTH) { (void)printf("\n\t"); col = printf("%s", s) + 8; return; } col += printf(" %s", s); } static char * ccval(const struct cchar *p, int c) { static char buf[5]; char *bp; if (p->sub == VMIN || p->sub == VTIME) { (void)snprintf(buf, sizeof(buf), "%d", c); return (buf); } if (c == _POSIX_VDISABLE) return (""); bp = buf; if (c & 0200) { *bp++ = 'M'; *bp++ = '-'; c &= 0177; } if (c == 0177) { *bp++ = '^'; *bp++ = '?'; } else if (c < 040) { *bp++ = '^'; *bp++ = c + '@'; } else *bp++ = c; *bp = '\0'; return (buf); }