1 /* $NetBSD: dummy_write.c,v 1.1.1.1 2009/06/23 10:08:59 tron Exp $ */
2
3 /*++
4 /* NAME
5 /* dummy_write 3
6 /* SUMMARY
7 /* dummy write operation
8 /* SYNOPSIS
9 /* #include <iostuff.h>
10 /*
11 /* ssize_t dummy_write(fd, buf, buf_len, timeout, context)
12 /* int fd;
13 /* void *buf;
14 /* size_t len;
15 /* int timeout;
16 /* void *context;
17 /* DESCRIPTION
18 /* dummy_write() implements a data sink without side effects.
19 /*
20 /* Arguments:
21 /* .IP fd
22 /* File descriptor whose value is logged when verbose logging
23 /* is turned on.
24 /* .IP buf
25 /* Write buffer pointer. Not used.
26 /* .IP buf_len
27 /* Write buffer size. Its value is logged when verbose logging is
28 /* turned on.
29 /* .IP timeout
30 /* The deadline in seconds. Not used.
31 /* .IP context
32 /* Application context. Not used.
33 /* DIAGNOSTICS
34 /* None.
35 /* LICENSE
36 /* .ad
37 /* .fi
38 /* The Secure Mailer license must be distributed with this software.
39 /* AUTHOR(S)
40 /* Wietse Venema
41 /* IBM T.J. Watson Research
42 /* P.O. Box 704
43 /* Yorktown Heights, NY 10598, USA
44 /*--*/
45
46 /* System library. */
47
48 #include <sys_defs.h>
49
50 /* Utility library. */
51
52 #include <msg.h>
53 #include <iostuff.h>
54
55 /* dummy_write - dummy write operation */
56
dummy_write(int fd,void * unused_buf,size_t len,int unused_timeout,void * unused_context)57 ssize_t dummy_write(int fd, void *unused_buf, size_t len,
58 int unused_timeout, void *unused_context)
59 {
60 if (msg_verbose)
61 msg_info("dummy_write: fd %d, len %lu", fd, (unsigned long) len);
62 return (len);
63 }
64