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Annotation of coherent/d/bin/dos/dosdump.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * dosdump:    display extended DOS partition info
        !             3:  */
        !             4: #include <stdio.h>
        !             5: #include <sys/fdisk.h>
        !             6: extern long lseek();
        !             7: int    fd;
        !             8: char   buf[512];
        !             9: long   partseek;
        !            10: HDISK_S        *hdp;
        !            11: FDISK_S        *fdp1, *fdp2;
        !            12: 
        !            13: main(argc, argv)
        !            14: char   *argv[];
        !            15: {
        !            16:        register i = 0;
        !            17: 
        !            18:        if (argc != 2)
        !            19:                fatal("you fucked up");
        !            20:        if ((fd = open(argv[1], 0)) < 0)
        !            21:                fatal("open failed");
        !            22:        for (;;) {
        !            23:                if (lseek(fd, partseek, 0) == -1L)
        !            24:                        fatal("lseek failed");
        !            25:                if (read(fd, buf, sizeof(buf)) != sizeof(buf))
        !            26:                        fatal("read failed");
        !            27:                hdp = buf;
        !            28:                if (hdp->hd_sig != HDSIG)
        !            29:                        fatal("no signature found");
        !            30:                fdp1 = &(hdp->hd_partn[0]);
        !            31:                fdp2 = &(hdp->hd_partn[1]);
        !            32:                printf("Level %d:\n", ++i);
        !            33:                printf("\tfdp1: sys=%d base=%8lx size=%8lx\n",
        !            34:                        fdp1->p_sys, fdp1->p_base, fdp1->p_size);
        !            35:                printf("\tfdp2: sys=%d base=%8lx size=%8lx\n",
        !            36:                        fdp2->p_sys, fdp2->p_base, fdp2->p_size);
        !            37:                if (fdp2->p_sys != SYS_DOS_XP)
        !            38:                        break;
        !            39:                partseek = fdp2->p_base * 512;
        !            40:        }
        !            41:        exit(0);
        !            42: }
        !            43: 
        !            44: fatal(cp)
        !            45: char *cp;
        !            46: {
        !            47:        fprintf(stderr, "dosdump: %r\n", &cp);
        !            48:        exit(1);
        !            49: }
        !            50: 

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