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Annotation of 43BSDReno/lib/libc/gen/termios.c, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1989 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #if defined(LIBC_SCCS) && !defined(lint)
        !            21: static char sccsid[] = "@(#)termios.c  5.2 (Berkeley) 6/26/90";
        !            22: #endif /* LIBC_SCCS and not lint */
        !            23: 
        !            24: #include <sys/types.h>
        !            25: #include <sys/errno.h>
        !            26: #include <sys/ioctl.h>
        !            27: #include <sys/tty.h>
        !            28: #include <sys/termios.h>
        !            29: #include <stdio.h>
        !            30: 
        !            31: tcgetattr(fd, t)
        !            32:        int fd;
        !            33:        struct termios *t;
        !            34: {
        !            35:        extern errno;
        !            36: 
        !            37:        return(ioctl(fd, TIOCGETA, t));
        !            38: }
        !            39: 
        !            40: tcsetattr(fd, opt, t)
        !            41:        int fd, opt;
        !            42:        struct termios *t;
        !            43: {
        !            44:        struct termios localterm;
        !            45: 
        !            46:        if (opt & TCSASOFT) {
        !            47:                localterm = *t;
        !            48:                localterm.c_cflag |= CIGNORE;
        !            49:                t = &localterm;
        !            50:                opt &= TCSASOFT;
        !            51:        }
        !            52:        if (opt == TCSANOW)
        !            53:                return (ioctl(fd, TIOCSETA, t));
        !            54:        else if (opt == TCSADRAIN)
        !            55:                return (ioctl(fd, TIOCSETAW, t));
        !            56:        else
        !            57:                return (ioctl(fd, TIOCSETAF, t));
        !            58: }
        !            59: 
        !            60: tcsetpgrp(fd, pgrp)
        !            61: {
        !            62:        return(ioctl(fd, TIOCSPGRP, &pgrp));
        !            63: }
        !            64: 
        !            65: tcgetpgrp(fd)
        !            66: {
        !            67:        int pgrp;
        !            68: 
        !            69:        if (ioctl(fd, TIOCGPGRP, &pgrp) < 0)
        !            70:                return(-1);
        !            71:        return(pgrp);
        !            72: }
        !            73: 
        !            74: cfgetospeed(t)
        !            75:        struct termios *t;
        !            76: {
        !            77:        return(t->c_ospeed);
        !            78: }
        !            79: 
        !            80: cfgetispeed(t)
        !            81:        struct termios *t;
        !            82: {
        !            83:        return(t->c_ispeed);
        !            84: }
        !            85: 
        !            86: cfsetospeed(t, speed)
        !            87:        struct termios *t;
        !            88: {
        !            89:        t->c_ospeed = speed;
        !            90: }
        !            91: 
        !            92: cfsetispeed(t, speed)
        !            93:        struct termios *t;
        !            94: {
        !            95:        t->c_ispeed = speed;
        !            96: }
        !            97: 
        !            98: cfsetspeed(t, speed)
        !            99:        struct termios *t;
        !           100: {
        !           101:        t->c_ispeed = t->c_ospeed = speed;
        !           102: }
        !           103: 
        !           104: cfmakeraw(t)
        !           105:        struct termios *t;
        !           106: {
        !           107:        t->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|INLCR|IGNCR|ICRNL|IXON);
        !           108:        t->c_oflag &= ~(ONLCR|OXTABS);
        !           109:        t->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
        !           110:        /* set MIN/TIME */
        !           111: }

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