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Annotation of driverkit/tests/slabel.m, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: /*
        !            25:  * slabel.m
        !            26:  */
        !            27: 
        !            28: #import <bsd/sys/types.h> 
        !            29: #import <remote/NXConnection.h>
        !            30: #import <driverkit/IODiskPartition.h>
        !            31: #import <ansi/stdio.h>
        !            32: #import <bsd/libc.h>
        !            33: #import "defaults.h"
        !            34: #import "buflib.h"
        !            35: 
        !            36: void usage(char **argv);
        !            37: void exit(int exitcode);
        !            38: 
        !            39: char *label_name = (char *)0;
        !            40: int label_version = 0;
        !            41: 
        !            42: int main(int argc, char **argv) {
        !            43: 
        !            44:        char *hostname=HOST_DEFAULT;
        !            45:        char *devname=DEVICE_DEFAULT;
        !            46:        int arg;
        !            47:        char c;
        !            48:        id targetId;
        !            49:        IOReturn rtn;
        !            50:        char outstr[100];
        !            51:        struct disk_label label;
        !            52:        
        !            53:        /*
        !            54:         * Get standard defaults from environment or defaults.h
        !            55:         */
        !            56:        get_default_t("hostname", &hostname, HOST_DEFAULT);
        !            57:        get_default_t("devname", &devname, DEVICE_DEFAULT);
        !            58: 
        !            59:        for(arg=1; arg<argc; arg++) {
        !            60:                c = argv[arg][0];
        !            61:                switch(c) {
        !            62:                    case 'h':
        !            63:                        hostname = &argv[arg][2];
        !            64:                        break;
        !            65:                    case 'd':
        !            66:                        devname = &argv[arg][2];
        !            67:                        break;
        !            68:                    case 'n':
        !            69:                        label_name = &argv[arg][2];
        !            70:                        break;
        !            71:                    case 'v':
        !            72:                        label_version = atoi(&argv[arg][2]);
        !            73:                        break;
        !            74:                        
        !            75:                    default:
        !            76:                        usage(argv);
        !            77:                }
        !            78:        }
        !            79:        
        !            80:        targetId = [NXConnection connectToName:devname
        !            81:                                         onHost:hostname];
        !            82:        if(targetId == nil) {
        !            83:                printf("connectToName:%s failed\n", devname);
        !            84:                exit(1);
        !            85:        }
        !            86:        
        !            87:        /*
        !            88:         * First read the existing label.
        !            89:         */
        !            90:        rtn = [targetId readLabel:&label];
        !            91:        if(rtn) {
        !            92:                sprintf(outstr, "Error on readLabel: %s\n",
        !            93:                        [targetId stringFromReturn:rtn]);
        !            94:                printf(outstr);
        !            95:                exit(1);
        !            96:        }
        !            97: 
        !            98:        /*
        !            99:         * Anything to change?
        !           100:         */
        !           101:        if(label_name)
        !           102:                strncpy(label.dl_label, label_name, MAXLBLLEN);
        !           103:        if(label_version)
        !           104:                label.dl_version = label_version;
        !           105:                
        !           106:        /*
        !           107:         * write new label.
        !           108:         */
        !           109:        rtn = [targetId writeLabel:&label];
        !           110:        if(rtn) {
        !           111:                sprintf(outstr, "Error on writeLabel: %s\n",
        !           112:                        [targetId stringFromReturn:rtn]);
        !           113:                printf(outstr);
        !           114:                exit(1);
        !           115:        }
        !           116: 
        !           117:        exit(0);
        !           118: 
        !           119: } /* main() */
        !           120: 
        !           121: void usage(char **argv) {
        !           122:        printf("usage: %s [options]\n", argv[0]);
        !           123:        printf("Options:\n");
        !           124:        printf("\th=hostname\n");
        !           125:        printf("\td=devname\n");
        !           126:        printf("\tn=new_label_name\n");
        !           127:        printf("\tv=new_version_num\n");
        !           128:        exit(1);
        !           129: }
        !           130: 
        !           131: 
        !           132: 
        !           133: 

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