32 lines
869 B
C
32 lines
869 B
C
|
/* 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;
|
||
|
|
}
|