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Annotation of researchv10no/ipc/mgrs/dkmgr/dkerr.c, revision 1.1

1.1     ! root        1: #include <errno.h>
        !             2: 
        !             3: /* imported */
        !             4: extern int errno;
        !             5: extern char *errstr;
        !             6: 
        !             7: char *msgs[] = {
        !             8:        "DK controller system error",
        !             9:        "destination busy",
        !            10:        "remote node not answering",
        !            11:        "destination not answering",
        !            12:        "unassigned destination",
        !            13:        "DK system overload",
        !            14:        "server already exists",
        !            15:        "call rejected by destination",
        !            16: };
        !            17: 
        !            18: int errs[] = {
        !            19:        EIO,
        !            20:        EBUSY,
        !            21:        EIO,
        !            22:        EIO,
        !            23:        ENOENT,
        !            24:        EBUSY,
        !            25:        EEXIST,
        !            26:        EACCES,
        !            27: };
        !            28: 
        !            29: struct uerrs {
        !            30:        int v9;
        !            31:        int dk;
        !            32: };
        !            33: 
        !            34: struct uerrs uerrs[] = {
        !            35:        { EIO,    3 },
        !            36:        { EBUSY,  1 },
        !            37:        { ENOENT, 3 },
        !            38:        { EEXIST, 3 },
        !            39:        { EACCES, 7 },
        !            40:        { 0,      3 },
        !            41: };
        !            42: 
        !            43: /*
        !            44:  *  Convert a Unix error code to a dk error code
        !            45:  */
        !            46: int
        !            47: utodkerr(uerr)
        !            48: {
        !            49:        register struct uerrs *up;
        !            50: 
        !            51:        for(up=uerrs; up->v9; up++)
        !            52:                if(up->v9 == uerr)
        !            53:                        return up->dk;
        !            54:        return up->dk;
        !            55: }
        !            56: 
        !            57: /*
        !            58:  *  Convert a dk error code to a Unix errstr and errno
        !            59:  */
        !            60: dktouerr(dkerr)
        !            61: {
        !            62:        dkerr &= 0x7f;
        !            63:        if (dkerr<=0 || dkerr>=sizeof(errs)/sizeof(int)) {
        !            64:                errno = EGREG;
        !            65:                errstr = "unknown error";
        !            66:                return;
        !            67:        }
        !            68:        errno = errs[dkerr];
        !            69:        errstr = msgs[dkerr];
        !            70: }

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