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/* vi: set sw=4 ts=4: */
* Utility routines.
* Copyright (C) tons of folks. Tracking down who wrote what
* isn't something I'm going to worry about... If you wrote something
* here, please feel free to acknowledge your work.
* 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
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
* Permission has been granted to redistribute this code under the GPL.
#include <stdio.h>
#include <unistd.h>
#include "libbb.h"
* Write all of the supplied buffer out to a file.
* This does multiple writes as necessary.
* Returns the amount written, or -1 on an error.
int full_write(int fd, const char *buf, int len)
int cc;
int total;
total = 0;
while (len > 0) {
cc = write(fd, buf, len);
if (cc < 0)
return -1;
buf += cc;
total += cc;
len -= cc;
return total;
/* END CODE */
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