mapstream.h
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2, 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 Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef MAILUTILS_SYS_MSTREAM_H
#define MAILUTILS_SYS_MSTREAM_H
#include <unistd.h>
#ifdef DMALLOC
# include <dmalloc.h>
#endif
#include <mailutils/sys/stream.h>
#include <mailutils/refcount.h>
#ifdef _POSIX_MAPPED_FILES
#ifdef __cplusplus
extern "C" {
#endif
struct _stream_mmap
{
struct _stream base;
mu_refcount_t refcount;
int fd;
int flags;
int mflags;
char *ptr;
size_t size;
};
extern int _stream_mmap_ctor __P ((struct _stream_mmap *));
extern void _stream_mmap_dtor __P ((stream_t));
extern int _stream_mmap_ref __P ((stream_t));
extern void _stream_mmap_destroy __P ((stream_t *));
extern int _stream_mmap_open __P ((stream_t, const char *, int, int));
extern int _stream_mmap_close __P ((stream_t));
extern int _stream_mmap_read __P ((stream_t, void *, size_t, off_t, size_t *));
extern int _stream_mmap_readline __P ((stream_t, char *, size_t, off_t, size_t *));
extern int _stream_mmap_write __P ((stream_t, const void *, size_t, off_t, size_t *));
extern int _stream_mmap_get_fd __P ((stream_t, int *));
extern int _stream_mmap_get_flags __P ((stream_t, int *));
extern int _stream_mmap_get_size __P ((stream_t, off_t *));
extern int _stream_mmap_truncate __P ((stream_t, off_t));
extern int _stream_mmap_flush __P ((stream_t));
extern int _stream_mmap_get_state __P ((stream_t, enum stream_state *));
extern int _stream_mmap_tell __P ((stream_t, off_t *));
extern int _stream_mmap_is_seekable __P ((stream_t));
extern int _stream_mmap_is_readready __P ((stream_t, int));
extern int _stream_mmap_is_writeready __P ((stream_t, int));
extern int _stream_mmap_is_exceptionpending __P ((stream_t, int));
extern int _stream_mmap_is_open __P ((stream_t));
#endif
#ifdef __cplusplus
}
#endif
#endif /* _MAILUTILS_SYS_MSTREAM_H */