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/* $OpenBSD: netwrite.c,v 1.4 1997/12/22 15:02:11 art Exp $ */
/* $KTH: netwrite.c,v 1.8 1997/06/19 23:56:25 assar Exp $ */
/*
* This software may now be redistributed outside the US.
*
*/
/*
* Copyright (C) 1989 by the Massachusetts Institute of Technology
*
* Export of this software from the United States of America is assumed
* to require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*/
#include "krb_locl.h"
/*
* krb_net_write() writes "len" bytes from "buf" to the file
* descriptor "fd". It returns the number of bytes written or
* a write() error. (The calling interface is identical to
* write(2).)
*
* XXX must not use non-blocking I/O
*/
int
krb_net_write(int fd, const void *v, size_t len)
{
int cc;
int wrlen = len;
const char *buf = (const char*)v;
if (buf == NULL)
return -1;
do {
cc = write(fd, buf, wrlen);
if (cc < 0)
return(cc);
else {
buf += cc;
wrlen -= cc;
}
} while (wrlen > 0);
return(len);
}
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