1 /* the Music Player Daemon (MPD)
2 * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
3 * This project's homepage is: http://www.musicpd.org
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #ifndef INPUT_STREAM_H
20 #define INPUT_STREAM_H
24 typedef struct _InputStream InputStream;
26 typedef int (*InputStreamSeekFunc) (InputStream * inStream, long offset,
28 typedef size_t(*InputStreamReadFunc) (InputStream * inStream, void *ptr,
29 size_t size, size_t nmemb);
30 typedef int (*InputStreamCloseFunc) (InputStream * inStream);
31 typedef int (*InputStreamAtEOFFunc) (InputStream * inStream);
32 typedef int (*InputStreamBufferFunc) (InputStream * inStream);
41 /* don't touc this stuff */
42 InputStreamSeekFunc seekFunc;
43 InputStreamReadFunc readFunc;
44 InputStreamCloseFunc closeFunc;
45 InputStreamAtEOFFunc atEOFFunc;
46 InputStreamBufferFunc bufferFunc;
52 void initInputStream(void);
54 int isUrlSaneForInputStream(char *url);
56 /* if an error occurs for these 3 functions, then -1 is returned and errno
57 for the input stream is set */
58 int openInputStream(InputStream * inStream, char *url);
59 int seekInputStream(InputStream * inStream, long offset, int whence);
60 int closeInputStream(InputStream * inStream);
61 int inputStreamAtEOF(InputStream * inStream);
63 /* return value: -1 is error, 1 inidicates stuff was buffered, 0 means nothing
65 int bufferInputStream(InputStream * inStream);
67 size_t readFromInputStream(InputStream * inStream, void *ptr, size_t size,