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Annotation of researchv10dc/libcbt/diskrd.c, revision 1.1

1.1     ! root        1: #include "cbt.h"
        !             2: 
        !             3: extern bfile *curbf;
        !             4: extern long lseek();
        !             5: 
        !             6: ndrd(lev, where) ndaddr where;
        !             7: {
        !             8:        register n;
        !             9:        if(mustwrite(curbf, lev)) {
        !            10:                /* do we ever get here? (yes, while splitting) */
        !            11:                if(ndwrt(curbf->path[lev], curbf->loc[lev]) == EOF)
        !            12:                        return(EOF);
        !            13:                mustwrite(curbf, lev) = 0;
        !            14:        }
        !            15:        if(lseek(curbf->tfd, where * (long)NDSZ, 0) == -1)
        !            16:                return(EOF);
        !            17:        if((n = read(curbf->tfd, (char *)curbf->path[lev], NDSZ)) != NDSZ) {
        !            18:                if(n >= 0)
        !            19:                        errno = BRDERR;
        !            20:                return(EOF);
        !            21:        }
        !            22:        curbf->loc[lev] = where;
        !            23:        return(0);
        !            24: }
        !            25: 
        !            26: getincore(lev, where) ndaddr where;
        !            27: {
        !            28:        if(ndrd(lev, where) == EOF)
        !            29:                return(EOF);
        !            30:        if(curbf->path[lev]->hlev != lev) {
        !            31:                errno = BRDERR;
        !            32:                curbf->fatal++;
        !            33:                return(EOF);
        !            34:        }
        !            35:        return(0);
        !            36: }

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