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/* This is file READV.C */

/*

** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954

**

** This file is distributed under the terms listed in the document

** "copying.dj", available from DJ Delorie at the address above.

** A copy of "copying.dj" should accompany this file; if not, a copy

** should be available from where this file was obtained.  This file

** may not be distributed without a verbatim copy of "copying.dj".

**

** This file is distributed WITHOUT ANY WARRANTY; without even the implied

** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

*/

#include <sys/types.h>

#include <sys/uio.h>

readv(int handle, struct iovec *iov, int count)

{

  unsigned long r, t=0;

  while (count)

  {

    r = read(handle, iov->iov_base, iov->iov_len);

    if (r < 0)

      return r;

    t += r;

    iov++;

    count--;

  }

  return t;

}