backupkey: Handle more clearly the case where we find the secret, but it has no value
[Samba.git] / source3 / lib / sys_rw_data.h
blobbda3795d05176dc65f0672ea7898d59421e8d734
1 /*
2 * Unix SMB/CIFS implementation.
3 * Samba system utilities
4 * Copyright (C) Andrew Tridgell 1992-1998
5 * Copyright (C) Jeremy Allison 1998-2005
6 * Copyright (C) Timur Bakeyev 2005
7 * Copyright (C) Bjoern Jacke 2006-2007
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #ifndef __LIB_SYS_RW_DATA_H__
24 #define __LIB_SYS_RW_DATA_H__
26 #include <unistd.h>
28 struct iovec;
30 ssize_t write_data_iov(int fd, const struct iovec *iov, int iovcnt);
31 ssize_t write_data(int fd, const void *buffer, size_t n);
32 ssize_t read_data(int fd, void *buffer, size_t n);
34 #endif