/* the Music Player Daemon (MPD) * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu) * This project's homepage is: http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef INPUT_STREAM_H #define INPUT_STREAM_H #include <stdlib.h> typedef struct _InputStream InputStream; typedef int (* InputStreamSeekFunc) (InputStream * inStream, long offset, int whence); typedef size_t (* InputStreamReadFunc) (InputStream * inStream, void * ptr, size_t size, size_t nmemb); typedef int (* InputStreamCloseFunc) (InputStream * inStream); typedef int (* InputStreamAtEOFFunc) (InputStream * inStream); typedef int (* InputStreamBufferFunc) (InputStream * inStream); struct _InputStream { int error; long offset; size_t size; char * mime; int seekable; /* don't touc this stuff */ InputStreamSeekFunc seekFunc; InputStreamReadFunc readFunc; InputStreamCloseFunc closeFunc; InputStreamAtEOFFunc atEOFFunc; InputStreamBufferFunc bufferFunc; void * data; char * metaName; char * metaTitle; }; void initInputStream(); int isUrlSaneForInputStream(char * url); /* if an error occurs for these 3 functions, then -1 is returned and errno for the input stream is set */ int openInputStream(InputStream * inStream, char * url); int seekInputStream(InputStream * inStream, long offset, int whence); int closeInputStream(InputStream * inStream); int inputStreamAtEOF(InputStream * inStream); /* return value: -1 is error, 1 inidicates stuff was buffered, 0 means nothing was buffered */ int bufferInputStream(InputStream * inStream); size_t readFromInputStream(InputStream * inStream, void * ptr, size_t size, size_t nmemb); #endif