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Annotation of 43BSD/etc/rxformat.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: char copyright[] =
        !             9: "@(#) Copyright (c) 1980 Regents of the University of California.\n\
        !            10:  All rights reserved.\n";
        !            11: #endif not lint
        !            12: 
        !            13: #ifndef lint
        !            14: static char sccsid[] = "@(#)rxformat.c 5.2 (Berkeley) 8/28/85";
        !            15: #endif not lint
        !            16: 
        !            17: #include <stdio.h>
        !            18: #include <sys/file.h>
        !            19: #include <errno.h>
        !            20: #include <vaxuba/rxreg.h>
        !            21: 
        !            22: char devname[] = "/dev/rrx?a";
        !            23: 
        !            24: /*
        !            25:  * Format RX02 floppy disks.
        !            26:  */
        !            27: 
        !            28: main(argc, argv)
        !            29:        int argc;
        !            30:        char *argv[];
        !            31: {
        !            32:        int fd, idens = 0, filarg = 1;
        !            33:        int i, c;
        !            34: 
        !            35:        if (argc < 2 || argc > 3)
        !            36:                usage();
        !            37:        if (argc == 3) { 
        !            38:                if (strncmp(argv[1],"-d",2) != 0)
        !            39:                        usage();
        !            40:                idens++;
        !            41:                filarg++;
        !            42:        }
        !            43:        devname[8] = argv[filarg][7];
        !            44:        if ((fd = open(devname, O_RDWR)) < 0) {
        !            45:                perror(devname);
        !            46:                exit(1);
        !            47:        }
        !            48:        if (isatty(fileno(stdin))) {
        !            49:                printf("Format %s to %s density (y/n)? ",
        !            50:                        argv[filarg], idens ? "double" : "single");
        !            51:                i = c = getchar();
        !            52:                while (c != '\n' && c != EOF)
        !            53:                        c = getchar();
        !            54:                if (i != 'y')
        !            55:                        exit(0);
        !            56:        } else
        !            57:                printf("Formatting %s to %s density\n",
        !            58:                        argv[filarg], idens ? "double" : "single");
        !            59:        /* 
        !            60:         * Change the ioctl command when dkio.h has
        !            61:         * been finished.
        !            62:         */
        !            63:        if (ioctl(fd, RXIOC_FORMAT, &idens) == 0)
        !            64:                exit(0);
        !            65:        else {
        !            66:                perror(devname);
        !            67:                exit(1);
        !            68:        }
        !            69: }
        !            70: 
        !            71: usage()
        !            72: {
        !            73:        fprintf(stderr, "usage: rxformat [-d] /dev/rx?\n");
        !            74:        exit(1);
        !            75: }

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