code.delx.au - refind/blob - filesystems/test/.svn/text-base/fsw_posix.h.svn-base

   1 /**
   2  * \file fsw_posix.h
   3  * POSIX user space host environment header.
   4  */
   5
   6 /*-
   7  * Copyright (c) 2006 Christoph Pfisterer
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions are
  11  * met:
  12  *
  13  *  * Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  *  * Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  *  * Neither the name of Christoph Pfisterer nor the names of the
  22  *    contributors may be used to endorse or promote products derived
  23  *    from this software without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  28  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  29  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  31  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  32  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  35  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #ifndef _FSW_POSIX_H_
  39 #define _FSW_POSIX_H_
  40
  41 #include "fsw_core.h"
  42
  43 #include <fcntl.h>
  44 #include <sys/types.h>
  45 #include <sys/dir.h>
  46
  47
  48 /**
  49  * POSIX Host: Private per-volume structure.
  50  */
  51
  52 struct fsw_posix_volume {
  53     struct fsw_volume           *vol;           //!< FSW volume structure
  54
  55     int                         fd;             //!< System file descriptor for data access
  56
  57 };
  58
  59 /**
  60  * POSIX Host: Private structure for an open file.
  61  */
  62
  63 struct fsw_posix_file {
  64     struct fsw_posix_volume     *pvol;          //!< POSIX host volume structure
  65
  66     struct fsw_shandle          shand;          //!< FSW handle for this file
  67
  68 };
  69
  70 /**
  71  * POSIX Host: Private structure for an open directory.
  72  */
  73
  74 struct fsw_posix_dir {
  75     struct fsw_posix_volume     *pvol;          //!< POSIX host volume structure
  76
  77     struct fsw_shandle          shand;          //!< FSW handle for this file
  78
  79 };
  80
  81
  82 /* functions */
  83
  84 struct fsw_posix_volume * fsw_posix_mount(const char *path, struct fsw_fstype_table *fstype_table);
  85 int fsw_posix_unmount(struct fsw_posix_volume *pvol);
  86
  87 struct fsw_posix_file * fsw_posix_open(struct fsw_posix_volume *pvol, const char *path, int flags, mode_t mode);
  88 ssize_t fsw_posix_read(struct fsw_posix_file *file, void *buf, size_t nbytes);
  89 off_t fsw_posix_lseek(struct fsw_posix_file *file, off_t offset, int whence);
  90 int fsw_posix_close(struct fsw_posix_file *file);
  91
  92 struct fsw_posix_dir * fsw_posix_opendir(struct fsw_posix_volume *pvol, const char *path);
  93 struct dirent * fsw_posix_readdir(struct fsw_posix_dir *dir);
  94 void fsw_posix_rewinddir(struct fsw_posix_dir *dir);
  95 int fsw_posix_closedir(struct fsw_posix_dir *dir);
  96
  97
  98 #endif