Return to PreLoad.m CVS log

Up to [NeXTSTEP 3.3 examples] / Examples / DriverKit / SCSITape / PreLoad.tproj

Annotation of Examples/DriverKit/SCSITape/PreLoad.tproj/PreLoad.m, revision 1.1

1.1     ! root        1: /*
        !             2:  *      Copyright (c) 1994 NeXT Computer, Inc.  All rights reserved. 
        !             3:  *
        !             4:  * PreLoad command for SCSI Tape.   Removes old SCSI Tape device nodes.
        !             5:  *
        !             6:  * HISTORY
        !             7:  * 1-Apr-94    Phillip Dibner at NeXT
        !             8:  *      Created. 
        !             9:  */
        !            10: 
        !            11: #import <errno.h>
        !            12: #import <libc.h>
        !            13: #import "SCSITapeTypes.h"
        !            14: 
        !            15: #define PATH_NAME_SIZE 10
        !            16: #define DEV_STRING "/dev/"
        !            17: #define ST_PRELOAD_ERR_STRING "SCSI Tape PreLoad"
        !            18: #define NTAPE_NAMES 4
        !            19: #define NST 4 /* XXX This is redundant, but avoids compilation errors */
        !            20: 
        !            21: char path [PATH_NAME_SIZE];
        !            22: char *scsiTapeNames[] = {"rst", "nrst", "rxt", "nrxt"};
        !            23: int scsiTapeDevFlags[] = {0, 1, 2, 3}; /* bit 0 = no rewind, bit 1 = Exabyte */
        !            24: 
        !            25: int
        !            26: main(int argc, char **argv)
        !            27: {
        !            28:     int                                iUnit, iRet = 0;
        !            29:     int                                i;
        !            30: 
        !            31:     for (iUnit = 0; iUnit < NST; iUnit ++) {
        !            32:        bzero (path, PATH_NAME_SIZE);
        !            33:        sprintf (path, "%s%s%d", DEV_STRING, "st", iUnit);
        !            34: 
        !            35:        /*
        !            36:         * Remove old devs and create new ones for this unit.
        !            37:         */
        !            38:        for (i = 0; i < NTAPE_NAMES; i++) {
        !            39: 
        !            40:            bzero (path, PATH_NAME_SIZE);
        !            41:            sprintf (path, "%s%s%d", DEV_STRING, scsiTapeNames [i], iUnit);
        !            42: 
        !            43:            if (unlink (path)) {
        !            44:                if (errno != ENOENT) {
        !            45:                    printf ("%s: could not delete old %s.  Errno is %d\n",
        !            46:                        ST_PRELOAD_ERR_STRING, path, errno);
        !            47:                    iRet = -1; 
        !            48:                }
        !            49:            }
        !            50:        }
        !            51:     } /* for iUnit */
        !            52:     return iRet;
        !            53: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.