2 * Copyright (c) 2003-2006, Maxime Henrion <mux@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44 typedef ssize_t stream_readfn_t(void *, void *, size_t);
45 typedef ssize_t stream_writefn_t(void *, const void *, size_t);
46 typedef int stream_closefn_t(void *);
48 /* Convenience functions for handling file descriptors. */
49 stream_readfn_t stream_read_fd;
50 stream_writefn_t stream_write_fd;
51 stream_closefn_t stream_close_fd;
53 /* Convenience functions for handling character buffers. */
54 stream_readfn_t stream_read_buf;
55 stream_writefn_t stream_append_buf;
56 stream_closefn_t stream_close_buf;
58 struct stream *stream_open(void *, stream_readfn_t *, stream_writefn_t *,
60 struct stream *stream_open_fd(int, stream_readfn_t *, stream_writefn_t *,
62 struct stream *stream_open_buf(struct buf *);
63 struct stream *stream_open_file(const char *, int, ...);
64 int stream_fileno(struct stream *);
65 ssize_t stream_read(struct stream *, void *, size_t);
66 ssize_t stream_read_blocking(struct stream *, void *, size_t);
67 ssize_t stream_write(struct stream *, const void *, size_t);
68 char *stream_getln(struct stream *, size_t *);
69 int stream_printf(struct stream *, const char *, ...)
71 int stream_flush(struct stream *);
72 int stream_sync(struct stream *);
73 int stream_truncate(struct stream *, off_t);
74 void stream_truncate_buf(struct buf *, off_t);
75 int stream_truncate_rel(struct stream *, off_t);
76 int stream_rewind(struct stream *);
77 int stream_eof(struct stream *);
78 int stream_close(struct stream *);
79 int stream_filter_start(struct stream *, stream_filter_t, void *);
80 void stream_filter_stop(struct stream *);
82 struct buf *buf_new(size_t);
83 void buf_free(struct buf *);
84 #endif /* !_STREAM_H_ */