headers/private/fs_shell/fssh_defs.h

   1 /*
   2  * Copyright 2007-2009, Ingo Weinhold, bonefish@cs.tu-berlin.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _FSSH_DEFS_H
   6 #define _FSSH_DEFS_H
   7
   8
   9 #include "fssh_types.h"
  10
  11
  12 // 32/64 bitness
  13 #ifdef HAIKU_HOST_PLATFORM_64_BIT
  14 #       define FSSH_B_HAIKU_64_BIT                      1
  15 #else
  16 #       define FSSH_B_HAIKU_32_BIT                      1
  17 #endif
  18
  19 // Limits
  20 #define FSSH_B_DEV_NAME_LENGTH          128
  21 #define FSSH_B_FILE_NAME_LENGTH         256
  22 #define FSSH_B_PATH_NAME_LENGTH         1024
  23 #define FSSH_B_ATTR_NAME_LENGTH         (FSSH_B_FILE_NAME_LENGTH-1)
  24 #define FSSH_B_MIME_TYPE_LENGTH         (FSSH_B_ATTR_NAME_LENGTH - 15)
  25 #define FSSH_B_MAX_SYMLINKS                     16
  26
  27 // Open Modes
  28 #define FSSH_B_READ_ONLY                FSSH_O_RDONLY   // read only
  29 #define FSSH_B_WRITE_ONLY               FSSH_O_WRONLY   // write only
  30 #define FSSH_B_READ_WRITE               FSSH_O_RDWR     // read and write
  31
  32 #define FSSH_B_FAIL_IF_EXISTS   FSSH_O_EXCL             // exclusive create
  33 #define FSSH_B_CREATE_FILE              FSSH_O_CREAT    // create the file
  34 #define FSSH_B_ERASE_FILE               FSSH_O_TRUNC    // erase the file's data
  35 #define FSSH_B_OPEN_AT_END              FSSH_O_APPEND   // point to the end of the data
  36
  37 // Node Flavors
  38 enum fssh_node_flavor {
  39   FSSH_B_FILE_NODE              = 0x01,
  40   FSSH_B_SYMLINK_NODE   = 0x02,
  41   FSSH_B_DIRECTORY_NODE = 0x04,
  42   FSSH_B_ANY_NODE               = 0x07
  43 };
  44
  45
  46 #if defined(__GNUC__) && __GNUC__ > 3
  47 #define fssh_offsetof(type,member)   __builtin_offsetof(type, member)
  48 #else
  49 #define fssh_offsetof(type,member) ((size_t)&((type*)0)->member)
  50 #endif
  51
  52 #define fssh_min_c(a,b) ((a)>(b)?(b):(a))
  53 #define fssh_max_c(a,b) ((a)>(b)?(a):(b))
  54
  55 #define _FSSH_PACKED    __attribute__((packed))
  56
  57
  58 #endif  // _FSSH_DEFS_H