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/*
* netwrite.c
*
* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
*
* For copying and distribution information, please see the file
* <mit-copyright.h>.
*/
#include "mit-copyright.h"
#include <errno.h>
#define DEFINE_SOCKADDR
#include "krb.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "port-sockets.h"
#ifndef _WINDOWS
extern int errno;
#endif
/*
* 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(fd, buf, len)
int fd;
register char *buf;
int len;
{
int cc;
register int wrlen = len;
do {
cc = SOCKET_WRITE(fd, buf, wrlen);
if (cc < 0)
{
if (SOCKET_ERRNO == SOCKET_EINTR)
continue;
return(cc);
}
else {
buf += cc;
wrlen -= cc;
}
} while (wrlen > 0);
return(len);
}
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