36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/*
|
|
* This file is part of the UCB release of Plan 9. It is subject to the license
|
|
* terms in the LICENSE file found in the top-level directory of this
|
|
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
|
|
* part of the UCB release of Plan 9, including this file, may be copied,
|
|
* modified, propagated, or distributed except according to the terms contained
|
|
* in the LICENSE file.
|
|
*/
|
|
/* Portions of this file are Copyright (C) 2015-2018 Giacomo Tesio <giacomo@tesio.it>
|
|
* See /doc/license/gpl-2.0.txt for details about the licensing.
|
|
*/
|
|
/* Portions of this file are Copyright (C) 9front's team.
|
|
* See /doc/license/9front-mit for details about the licensing.
|
|
* See http://git.9front.org/plan9front/plan9front/HEAD/info.html for a list of authors.
|
|
*/
|
|
#include <u.h>
|
|
#include <lib9.h>
|
|
#include <bio.h>
|
|
#include "authcmdlib.h"
|
|
|
|
/*
|
|
* read exactly len bytes
|
|
*/
|
|
int
|
|
readn(int fd, char *buf, int len)
|
|
{
|
|
int m, n;
|
|
|
|
for(n = 0; n < len; n += m){
|
|
m = jehanne_read(fd, buf+n, len-n);
|
|
if(m <= 0)
|
|
return -1;
|
|
}
|
|
return n;
|
|
}
|