firmware/include/file.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Björn Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _FILE_H_
  23 #define _FILE_H_
  24
  25 #include <sys/types.h>
  26
  27 #undef MAX_PATH /* this avoids problems when building simulator */
  28 #define MAX_PATH 260
  29
  30 #define MAX_OPEN_FILES 11
  31
  32 #ifndef SEEK_SET
  33 #define SEEK_SET 0
  34 #endif
  35 #ifndef SEEK_CUR
  36 #define SEEK_CUR 1
  37 #endif
  38 #ifndef SEEK_END
  39 #define SEEK_END 2
  40 #endif
  41
  42 #ifndef O_RDONLY
  43 #define O_RDONLY 0
  44 #define O_WRONLY 1
  45 #define O_RDWR   2
  46 #define O_CREAT  4
  47 #define O_APPEND 8
  48 #define O_TRUNC  0x10
  49 #endif
  50
  51 #if  defined(SIMULATOR) && !defined(PLUGIN) && !defined(CODEC)
  52 #define open(x, ...) sim_open(x, __VA_ARGS__)
  53 #define creat(x,m) sim_creat(x,m)
  54 #define remove(x) sim_remove(x)
  55 #define rename(x,y) sim_rename(x,y)
  56 #define filesize(x) sim_filesize(x)
  57 #define fsync(x) sim_fsync(x)
  58 #define ftruncate(x,y) sim_ftruncate(x,y)
  59 #define lseek(x,y,z) sim_lseek(x,y,z)
  60 #define read(x,y,z) sim_read(x,y,z)
  61 #define write(x,y,z) sim_write(x,y,z)
  62 #define close(x) sim_close(x)
  63 extern int sim_creat(const char *pathname, mode_t mode);
  64 extern int sim_open(const char *pathname, int flags, ...);
  65 #endif
  66
  67 typedef int (*open_func)(const char* pathname, int flags, ...);
  68 typedef ssize_t (*read_func)(int fd, void *buf, size_t count);
  69 typedef int (*creat_func)(const char *pathname, mode_t mode);
  70 typedef ssize_t (*write_func)(int fd, const void *buf, size_t count);
  71 typedef void (*qsort_func)(void *base, size_t nmemb,  size_t size,
  72                            int(*_compar)(const void *, const void *));
  73
  74 extern int file_open(const char* pathname, int flags);
  75 extern int close(int fd);
  76 extern int fsync(int fd);
  77 extern ssize_t read(int fd, void *buf, size_t count);
  78 extern off_t lseek(int fildes, off_t offset, int whence);
  79 extern int file_creat(const char *pathname);
  80 #ifndef SIMULATOR
  81 /* posix compatibility function */
  82 static inline int creat(const char *pathname, mode_t mode)
  83 {
  84     (void)mode;
  85     return file_creat(pathname);
  86 }
  87 #if !defined(CODEC) && !defined(PLUGIN)
  88 #define open(x, y, ...) file_open(x,y)
  89 #endif
  90 #endif
  91 extern ssize_t write(int fd, const void *buf, size_t count);
  92 extern int remove(const char* pathname);
  93 extern int rename(const char* path, const char* newname);
  94 extern int ftruncate(int fd, off_t length);
  95 extern off_t filesize(int fd);
  96 extern int release_files(int volume);
  97
  98 #endif