1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 /* If chunksize is 0 copy untill EOF */
28 extern int copyfd(int fd1, int fd2, const off_t chunksize)
37 remaining = chunksize;
43 if ((chunksize > BUFSIZ) || (chunksize == 0)) {
49 nread = safe_read(fd1, buffer, size);
52 perror_msg("read failure");
55 else if (nread == 0) {
57 error_msg("Unable to read all data");
64 nwritten = full_write(fd2, buffer, nread);
66 if (nwritten != nread) {
67 error_msg("Unable to write all data");
72 remaining -= nwritten;
74 } while (remaining != 0);