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Diffstat (limited to 'sdk-modifications/include/directory.h')
| -rw-r--r-- | sdk-modifications/include/directory.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/sdk-modifications/include/directory.h b/sdk-modifications/include/directory.h deleted file mode 100644 index 00046a9..0000000 --- a/sdk-modifications/include/directory.h +++ /dev/null @@ -1,172 +0,0 @@ -/* - directory.h - Reading, writing and manipulation of the directory structure on - a FAT partition - - Copyright (c) 2006 Michael "Chishm" Chisholm - - Redistribution and use in source and binary forms, with or without modification, - are permitted provided that the following conditions are met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation and/or - other materials provided with the distribution. - 3. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - 2006-07-11 - Chishm - * Original release -*/ - -#ifndef _DIRECTORY_H -#define _DIRECTORY_H - -#include <sys/stat.h> - -#include "fs_common.h" -#include "partition.h" - -#define DIR_ENTRY_DATA_SIZE 0x20 -#define MAX_FILENAME_LENGTH 256 -#define MAX_ALIAS_LENGTH 13 -#define LFN_ENTRY_LENGTH 13 -#define FAT16_ROOT_DIR_CLUSTER 0 - -#define DIR_SEPARATOR '/' - -// File attributes -#define ATTRIB_ARCH 0x20 // Archive -#define ATTRIB_DIR 0x10 // Directory -#define ATTRIB_LFN 0x0F // Long file name -#define ATTRIB_VOL 0x08 // Volume -#define ATTRIB_SYS 0x04 // System -#define ATTRIB_HID 0x02 // Hidden -#define ATTRIB_RO 0x01 // Read only - -typedef enum {FT_DIRECTORY, FT_FILE} FILE_TYPE; - -typedef struct { - u32 cluster; - u32 sector; - s32 offset; -} DIR_ENTRY_POSITION; - -typedef struct { - u8 entryData[DIR_ENTRY_DATA_SIZE]; - DIR_ENTRY_POSITION dataStart; // Points to the start of the LFN entries of a file, or the alias for no LFN - DIR_ENTRY_POSITION dataEnd; // Always points to the file/directory's alias entry - char d_name[MAX_FILENAME_LENGTH + MAX_FILENAME_LENGTH*2]; //Store name string using UTF8 coding - //u16 unicodeFilename[MAX_FILENAME_LENGTH]; -} DIR_ENTRY; - -// Directory entry offsets -enum DIR_ENTRY_offset { - DIR_ENTRY_name = 0x00, - DIR_ENTRY_extension = 0x08, - DIR_ENTRY_attributes = 0x0B, - DIR_ENTRY_reserved = 0x0C, - DIR_ENTRY_cTime_ms = 0x0D, - DIR_ENTRY_cTime = 0x0E, - DIR_ENTRY_cDate = 0x10, - DIR_ENTRY_aDate = 0x12, - DIR_ENTRY_clusterHigh = 0x14, - DIR_ENTRY_mTime = 0x16, - DIR_ENTRY_mDate = 0x18, - DIR_ENTRY_cluster = 0x1A, - DIR_ENTRY_fileSize = 0x1C -}; - -/* -Returns true if the file specified by entry is a directory -*/ -static inline bool _FAT_directory_isDirectory (DIR_ENTRY* entry) { - return ((entry->entryData[DIR_ENTRY_attributes] & ATTRIB_DIR) != 0); -} - -static inline bool _FAT_directory_isWritable (DIR_ENTRY* entry) { - return ((entry->entryData[DIR_ENTRY_attributes] & ATTRIB_RO) == 0); -} - -static inline bool _FAT_directory_isDot (DIR_ENTRY* entry) { - return ((entry->d_name[0] == '.') && ((entry->d_name[1] == '\0') || - ((entry->d_name[1] == '.') && entry->d_name[2] == '\0'))); -} - -/* -Reads the first directory entry from the directory starting at dirCluster -Places result in entry -entry will be destroyed even if no directory entry is found -Returns true on success, false on failure -*/ -bool _FAT_directory_getFirstEntry (PARTITION* partition, DIR_ENTRY* entry, u32 dirCluster); - -/* -Reads the next directory entry after the one already pointed to by entry -Places result in entry -entry will be destroyed even if no directory entry is found -Returns true on success, false on failure -*/ -bool _FAT_directory_getNextEntry (PARTITION* partition, DIR_ENTRY* entry); - -/* -Gets the directory entry corrsponding to the supplied path -entry will be destroyed even if no directory entry is found -pathEnd specifies the end of the path string, for cutting strings short if needed - specify NULL to use the full length of path - pathEnd is only a suggestion, and the path string will be searched up until the next PATH_SEPARATOR - after pathEND. -Returns true on success, false on failure -*/ -bool _FAT_directory_entryFromPath (PARTITION* partition, DIR_ENTRY* entry, const char* path, const char* pathEnd); - -/* -Changes the current directory to the one specified by path -Returns true on success, false on failure -*/ -bool _FAT_directory_chdir (PARTITION* partition, const char* path); - -/* -Removes the directory entry specified by entry -Assumes that entry is valid -Returns true on success, false on failure -*/ -bool _FAT_directory_removeEntry (PARTITION* partition, DIR_ENTRY* entry); - -/* -Add a directory entry to the directory specified by dirCluster -The fileData, dataStart and dataEnd elements of the DIR_ENTRY struct are -updated with the new directory entry position and alias. -Returns true on success, false on failure -*/ -bool _FAT_directory_addEntry (PARTITION* partition, DIR_ENTRY* entry, u32 dirCluster); - -/* -Get the start cluster of a file from it's entry data -*/ -u32 _FAT_directory_entryGetCluster (const u8* entryData); - -/* -Fill in the file name and entry data of DIR_ENTRY* entry. -Assumes that the entry's dataStart and dataEnd are correct -Returns true on success, false on failure -*/ -bool _FAT_directory_entryFromPosition (PARTITION* partition, DIR_ENTRY* entry); - -/* -Fill in a stat struct based on a file entry -*/ -void _FAT_directory_entryStat (PARTITION* partition, DIR_ENTRY* entry, struct stat *st); - -#endif // _DIRECTORY_H |