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 #include "config.h"
  27 #include "gcc_extensions.h"
  28 #include <fcntl.h>
  29 #ifdef WIN32
  30 /* this has SEEK_SET et al */
  31 #include <stdio.h>
  32 #endif
  33
  34
  35 #undef MAX_PATH /* this avoids problems when building simulator */
  36 #define MAX_PATH 260
  37 #define MAX_OPEN_FILES 11
  38
  39 #if !defined(PLUGIN) && !defined(CODEC)
  40 #if defined(APPLICATION)
  41 #   define open(x, ...)    app_open(x, __VA_ARGS__)
  42 #   define creat(x,m)      app_creat(x, m)
  43 #   define remove(x)       app_remove(x)
  44 #   define rename(x,y)     app_rename(x,y)
  45 extern int app_open(const char *name, int o, ...);
  46 extern int app_creat(const char *name, mode_t mode);
  47 extern int app_remove(const char* pathname);
  48 extern int app_rename(const char* path, const char* newname);
  49 #   if (CONFIG_PLATFORM & (PLATFORM_SDL|PLATFORM_MAEMO|PLATFORM_PANDORA))
  50 #   define filesize(x) sim_filesize(x)
  51 #   define fsync(x) sim_fsync(x)
  52 #   define ftruncate(x,y) sim_ftruncate(x,y)
  53 #   define lseek(x,y,z) sim_lseek(x,y,z)
  54 #   define read(x,y,z) sim_read(x,y,z)
  55 #   define write(x,y,z) sim_write(x,y,z)
  56 #   define close(x) sim_close(x)
  57 #   endif
  58 #elif defined(SIMULATOR)
  59 #   define open(x, ...) sim_open(x, __VA_ARGS__)
  60 #   define creat(x,m) sim_creat(x,m)
  61 #   define remove(x) sim_remove(x)
  62 #   define rename(x,y) sim_rename(x,y)
  63 #   define filesize(x) sim_filesize(x)
  64 #   define fsync(x) sim_fsync(x)
  65 #   define ftruncate(x,y) sim_ftruncate(x,y)
  66 #   define lseek(x,y,z) sim_lseek(x,y,z)
  67 #   define read(x,y,z) sim_read(x,y,z)
  68 #   define write(x,y,z) sim_write(x,y,z)
  69 #   define close(x) sim_close(x)
  70 extern int sim_open(const char *name, int o, ...);
  71 extern int sim_creat(const char *name, mode_t mode);
  72 #endif
  73
  74 typedef int (*open_func)(const char* pathname, int flags, ...);
  75 typedef ssize_t (*read_func)(int fd, void *buf, size_t count);
  76 typedef int (*creat_func)(const char *pathname, mode_t mode);
  77 typedef ssize_t (*write_func)(int fd, const void *buf, size_t count);
  78 typedef void (*qsort_func)(void *base, size_t nmemb,  size_t size,
  79                            int(*_compar)(const void *, const void *));
  80
  81 extern int file_open(const char* pathname, int flags);
  82 extern int close(int fd);
  83 extern int fsync(int fd);
  84 extern ssize_t read(int fd, void *buf, size_t count);
  85 extern off_t lseek(int fildes, off_t offset, int whence);
  86 extern int file_creat(const char *pathname);
  87 #if (CONFIG_PLATFORM & PLATFORM_NATIVE) && !defined(__PCTOOL__)
  88 /* posix compatibility function */
  89 static inline int creat(const char *pathname, mode_t mode)
  90 {
  91     (void)mode;
  92     return file_creat(pathname);
  93 }
  94 #if !defined(CODEC) && !defined(PLUGIN)
  95 #define open(x, y, ...) file_open(x,y)
  96 #endif
  97 #endif
  98 extern ssize_t write(int fd, const void *buf, size_t count);
  99 extern int remove(const char* pathname);
 100 extern int rename(const char* path, const char* newname);
 101 extern int ftruncate(int fd, off_t length);
 102 extern off_t filesize(int fd);
 103 extern int release_files(int volume);
 104 int fdprintf (int fd, const char *fmt, ...) ATTRIBUTE_PRINTF(2, 3);
 105 #endif /* !CODEC && !PLUGIN */
 106 #endif