blob: 43db4b2bd0fc9e2d8d0f3cbbfe4d237b8053045b [file] [log] [blame]
/*
* Copyright (c) International Business Machines Corp., 2001
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/******************************************************************************
* writen.c
******************************************************************************/
#include <unistd.h>
/* Write "n" bytes to a descriptor
Use instead of write() when fd is a stream socket. */
int writen(fd, ptr, nbytes)
register int fd;
register char *ptr;
register int nbytes;
{
int nleft, nwritten;
nleft = nbytes;
while (nleft > 0) {
nwritten = write(fd, ptr, nleft);
if (nwritten <= 0)
return (nwritten); /* error */
nleft -= nwritten;
ptr += nwritten;
}
return (nbytes - nleft);
}