sm64ex-coop/tools/audiofile-0.3.6/libaudiofile/af_vfs.h

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2020-05-07 20:21:22 +02:00
/*
Audio File Library
Copyright (C) 1999, Elliot Lee <sopwith@redhat.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA
*/
/*
af_vfs.h
Virtual file operations for the Audio File Library.
*/
#ifndef AUDIOFILE_VFS_H
#define AUDIOFILE_VFS_H
#include <audiofile.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#if (defined(__GNUC__) && __GNUC__ >= 4) || defined(__clang__)
#define AFAPI __attribute__((visibility("default")))
#else
#define AFAPI
#endif
struct _AFvirtualfile
{
ssize_t (*read) (AFvirtualfile *vfile, void *data, size_t nbytes);
AFfileoffset (*length) (AFvirtualfile *vfile);
ssize_t (*write) (AFvirtualfile *vfile, const void *data, size_t nbytes);
void (*destroy) (AFvirtualfile *vfile);
AFfileoffset (*seek) (AFvirtualfile *vfile, AFfileoffset offset, int is_relative);
AFfileoffset (*tell) (AFvirtualfile *vfile);
void *closure;
};
AFAPI AFvirtualfile *af_virtual_file_new (void);
AFAPI void af_virtual_file_destroy (AFvirtualfile *vfile);
#undef AFAPI
#ifdef __cplusplus
}
#endif
#endif