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Annotation of prex-old/usr/test/console/console.c, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * Copyright (c) 2005, Kohsuke Ohtani
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. Neither the name of the author nor the names of any co-contributors
        !            14:  *    may be used to endorse or promote products derived from this software
        !            15:  *    without specific prior written permission.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: /*
        !            31:  * console.c - test program for console driver
        !            32:  */
        !            33:
        !            34: #include <prex/prex.h>
        !            35: #include <string.h>
        !            36:
        !            37: int
        !            38: main(int argc, char *argv[])
        !            39: {
        !            40:        device_t console_dev;
        !            41:        char buf[] = "ABCDEFGHIJKLMN";
        !            42:        int i, err;
        !            43:        size_t len;
        !            44:
        !            45:        sys_log("console test program\n");
        !            46:        err = device_open("console", 0, &console_dev);
        !            47:        if (err)
        !            48:                sys_log("device open err!\n");
        !            49:
        !            50:        /*
        !            51:         * Display 'ABCDE'
        !            52:         */
        !            53:        len = 5;
        !            54:        device_write(console_dev, buf, &len, 0);
        !            55:
        !            56:        /*
        !            57:         * Display 'AAAA...'
        !            58:         */
        !            59:        len = 1;
        !            60:        for (i = 0; i < 100; i++)
        !            61:                device_write(console_dev, buf, &len, 0);
        !            62:
        !            63:        /*
        !            64:         * Try to pass invalid pointer.
        !            65:         * It will cause a fault, and get EFAULT.
        !            66:         */
        !            67:        sys_log("\ntest an invalid pointer.\n");
        !            68:        len = 100;
        !            69:        err = device_write(console_dev, 0, &len, 0);
        !            70:        if (err)
        !            71:                sys_log("OK!\n");
        !            72:        else
        !            73:                sys_log("Bad!\n");
        !            74:
        !            75:        err = device_close(console_dev);
        !            76:        if (err)
        !            77:                sys_log("device close err!\n");
        !            78:
        !            79:                sys_log("Completed\n");
        !            80:        return 0;
        !            81: }