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Annotation of researchv10no/libcbt/diskrd.c, revision 1.1.1.1

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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