65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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Audio File Library
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Copyright (C) 1999, Elliot Lee <sopwith@redhat.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301 USA
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*/
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/*
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af_vfs.h
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Virtual file operations for the Audio File Library.
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*/
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#ifndef AUDIOFILE_VFS_H
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#define AUDIOFILE_VFS_H
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#include <audiofile.h>
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if (defined(__GNUC__) && __GNUC__ >= 4) || defined(__clang__)
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#define AFAPI __attribute__((visibility("default")))
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#else
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#define AFAPI
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#endif
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struct _AFvirtualfile
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{
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ssize_t (*read) (AFvirtualfile *vfile, void *data, size_t nbytes);
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AFfileoffset (*length) (AFvirtualfile *vfile);
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ssize_t (*write) (AFvirtualfile *vfile, const void *data, size_t nbytes);
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void (*destroy) (AFvirtualfile *vfile);
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AFfileoffset (*seek) (AFvirtualfile *vfile, AFfileoffset offset, int is_relative);
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AFfileoffset (*tell) (AFvirtualfile *vfile);
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void *closure;
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};
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AFAPI AFvirtualfile *af_virtual_file_new (void);
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AFAPI void af_virtual_file_destroy (AFvirtualfile *vfile);
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#undef AFAPI
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#ifdef __cplusplus
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}
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#endif
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#endif
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