sys/src/lib9p/dirread.c

   1 #include <u.h>
   2 #include <libc.h>
   3 #include <auth.h>
   4 #include <fcall.h>
   5 #include <thread.h>
   6 #include <9p.h>
   7
   8 void
   9 dirread9p(Req *r, Dirgen *gen, void *aux)
  10 {
  11         int start;
  12         uchar *p, *ep;
  13         uint rv;
  14         Dir d;
  15
  16         if(r->ifcall.offset == 0)
  17                 start = 0;
  18         else
  19                 start = r->fid->dirindex;
  20
  21         p = (uchar*)r->ofcall.data;
  22         ep = p+r->ifcall.count;
  23
  24         while(p < ep){
  25                 memset(&d, 0, sizeof d);
  26                 if((*gen)(start, &d, aux) < 0)
  27                         break;
  28                 rv = convD2M(&d, p, ep-p);
  29                 free(d.name);
  30                 free(d.muid);
  31                 free(d.uid);
  32                 free(d.gid);
  33                 if(rv <= BIT16SZ)
  34                         break;
  35                 p += rv;
  36                 start++;
  37         }
  38         r->fid->dirindex = start;
  39         r->ofcall.count = p - (uchar*)r->ofcall.data;
  40 }