root/headers/private/fs_shell/fssh_defs.h
/*
 * Copyright 2007-2009, Ingo Weinhold, bonefish@cs.tu-berlin.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef _FSSH_DEFS_H
#define _FSSH_DEFS_H


#include "fssh_types.h"


// 32/64 bitness
#ifdef HAIKU_HOST_PLATFORM_64_BIT
#       define FSSH_B_HAIKU_64_BIT                      1
#else
#       define FSSH_B_HAIKU_32_BIT                      1
#endif

// Limits
#define FSSH_B_DEV_NAME_LENGTH          128
#define FSSH_B_FILE_NAME_LENGTH         256
#define FSSH_B_PATH_NAME_LENGTH         1024
#define FSSH_B_ATTR_NAME_LENGTH         (FSSH_B_FILE_NAME_LENGTH-1)
#define FSSH_B_MIME_TYPE_LENGTH         (FSSH_B_ATTR_NAME_LENGTH - 15)
#define FSSH_B_MAX_SYMLINKS                     16

// Params
#define FSSH_DEV_BSIZE                          512

// Open Modes
#define FSSH_B_READ_ONLY                FSSH_O_RDONLY   // read only
#define FSSH_B_WRITE_ONLY               FSSH_O_WRONLY   // write only
#define FSSH_B_READ_WRITE               FSSH_O_RDWR     // read and write

#define FSSH_B_FAIL_IF_EXISTS   FSSH_O_EXCL             // exclusive create
#define FSSH_B_CREATE_FILE              FSSH_O_CREAT    // create the file
#define FSSH_B_ERASE_FILE               FSSH_O_TRUNC    // erase the file's data
#define FSSH_B_OPEN_AT_END              FSSH_O_APPEND   // point to the end of the data

// Node Flavors
enum fssh_node_flavor {
  FSSH_B_FILE_NODE              = 0x01,
  FSSH_B_SYMLINK_NODE   = 0x02,
  FSSH_B_DIRECTORY_NODE = 0x04,
  FSSH_B_ANY_NODE               = 0x07
};


#if defined(__GNUC__) && __GNUC__ > 3
#define fssh_offsetof(type,member)   __builtin_offsetof(type, member)
#else
#define fssh_offsetof(type,member) ((size_t)&((type*)0)->member)
#endif

#define fssh_alignof(type)   __alignof__(type)

#define fssh_min_c(a,b) ((a)>(b)?(b):(a))
#define fssh_max_c(a,b) ((a)>(b)?(a):(b))

#define _FSSH_PACKED    __attribute__((packed))


#endif  // _FSSH_DEFS_H