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Annotation of researchv9/sys/construct/host/rdfs.c, revision 1.1.1.1

1.1       root        1: #include "/usr/include/stdio.h"
                      2: #include <sys/param.h>
                      3: #include <sys/ino.h>
                      4: #include <sys/inode.h>
                      5: #include <sys/filsys.h>
                      6: #include <sys/fblk.h>
                      7: #include <sys/dir.h>
                      8: 
                      9: int    fsi;
                     10: char   buf[BSIZE(0)];
                     11: 
                     12: main()
                     13: {
                     14:        short *s = (short *)buf;
                     15:        int i;
                     16: 
                     17:        fsi = open("/dev/rsd1a", 0);
                     18:        rdfs(1, buf);
                     19:        for(i = 0; i < sizeof(buf)/2; i++)
                     20:                if(*s++ != i)
                     21:                        printf("%d is %d\n", i, *(s - 1));
                     22: }
                     23: 
                     24: rdfs(bno, bf)
                     25: daddr_t bno;
                     26: char *bf;
                     27: {
                     28:        int n;
                     29: 
                     30:        lseek(fsi, bno*BSIZE(0), 0);
                     31:        n = read(fsi, bf, BSIZE(0));
                     32:        if(n != BSIZE(0)) {
                     33:                printf("read error: %ld\n", bno);
                     34:                exit(1);
                     35:        }
                     36: }
                     37: 
                     38: wrfs(bno, bf)
                     39: daddr_t bno;
                     40: char *bf;
                     41: {
                     42:        int n;
                     43: 
                     44:        lseek(fsi, bno*BSIZE(0), 0);
                     45:        n = write(fsi, bf, BSIZE(0));
                     46:        if(n != BSIZE(0)) {
                     47:                printf("write error: %ld\n", bno);
                     48:                exit(1);
                     49:        }
                     50: }

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