contrib/bind-9.2.4rc7/lib/bind/bsd/readv.c

   1 #ifndef LINT
   2 static const char rcsid[] = "$Id: readv.c,v 1.1 2001/03/29 06:30:35 marka Exp $";
   3 #endif
   4
   5 #include "port_before.h"
   6
   7 #include <sys/types.h>
   8 #include <sys/uio.h>
   9 #include <sys/stat.h>
  10 #include <sys/socket.h>
  11
  12 #include "port_after.h"
  13
  14 #ifndef NEED_READV
  15 int __bindcompat_readv;
  16 #else
  17
  18 int
  19 __readv(fd, vp, vpcount)
  20         int fd;
  21         const struct iovec *vp;
  22         int vpcount;
  23 {
  24         int count = 0;
  25
  26         while (vpcount-- > 0) {
  27                 int bytes = read(fd, vp->iov_base, vp->iov_len);
  28
  29                 if (bytes < 0)
  30                         return (-1);
  31                 count += bytes;
  32                 if (bytes != vp->iov_len)
  33                         break;
  34                 vp++;
  35         }
  36         return (count);
  37 }
  38 #endif /* NEED_READV */