61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/* 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
|
|
* 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., 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 <sys/stat.h>
|
|
#include "libbb.h"
|
|
|
|
/*
|
|
* Copy chunksize bytes between two file descriptors
|
|
*/
|
|
int copy_file_chunk(int srcfd, int dstfd, size_t chunksize)
|
|
{
|
|
size_t size;
|
|
char buffer[BUFSIZ]; /* BUFSIZ is declared in stdio.h */
|
|
|
|
while (chunksize > 0) {
|
|
if (chunksize > BUFSIZ)
|
|
size = BUFSIZ;
|
|
else
|
|
size = chunksize;
|
|
if (full_write(dstfd, buffer, full_read(srcfd, buffer, size)) < size)
|
|
return(FALSE);
|
|
chunksize -= size;
|
|
}
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/* END CODE */
|
|
/*
|
|
Local Variables:
|
|
c-file-style: "linux"
|
|
c-basic-offset: 4
|
|
tab-width: 4
|
|
End:
|
|
*/
|