diff options
Diffstat (limited to 'arm9/source/devices/file.h')
| -rw-r--r-- | arm9/source/devices/file.h | 77 |
1 files changed, 38 insertions, 39 deletions
diff --git a/arm9/source/devices/file.h b/arm9/source/devices/file.h index f295e89..3f27bda 100644 --- a/arm9/source/devices/file.h +++ b/arm9/source/devices/file.h @@ -1,55 +1,54 @@ -#include <dirent.h> -#include "../types/pathbuf.h" - -// #include <stdio.h> -// #include <dirent.h> -// #include <string.h> -// #include <sys/stat.h> - #ifndef FILE_H_ #define FILE_H_ - typedef struct { - bool open; // true if an entry is open - bool success; // true if the previous operation was successful - bool is_dir; // true if the open entry is a directory - bool child_is_dir; // true if the selected child is a directory - PathBuf entry; // write buffer for entry port - PathBuf action; // write buffer for action port - PathBuf path; // path of the open entry - PathBuf child_path; // path of the selected child - u32 pointer; // pointer in the open entry, whether dir or file - u32 length; // length of the open entry, whether dir or file - u32 pointer_write; // write cache for pointer - u32 length_write; // write cache for length + #include <dirent.h> + #include <sys/stat.h> + #include "fat.h" + #include "nds.h" + #include "../bang.h" + #include "../types/pathbuf.h" - DIR *dir; // structure pointing to current directory - FILE *file; // opaque ID referencing the open file - FILE *tmpfile; // to open file and keep existing file open - struct dirent *child; // currently-selected directory child information - u32 dir_i; // index of next child to read from dir - bool at_root; // current entry is the root directory - } FileDevice; + // Bedrock file device. + typedef struct { + FILE *file; // Opaque ID referencing current file (if any) + // See ANSI C89 Standard, page 126 + DIR *dir; // Structure referencing current directory (if any) + // See 'libnds/libs/libnds/include/sys/dirent.h:41' + u32 dir_i; // Index of next child to be read from current directory + bool is_root; // True if the current directory is the root directory. + struct dirent *child; // Information about selected child (file or dir) + // See 'libnds/libs/libnds/include/sys/dirent.h:17' - void init_filesystem(); - bool filesystem_enabled(); + PathBuf open; // Write buffer for open port + PathBuf action; // Write buffer for action port + PathBuf path; // Path of current entry + PathBuf child_path; // Path of selected child + u32 address; // Address into current entry (file or dir) + u32 length; // Length of current entry (file or dir) + bool length_cached; // True if length has been calculated. + u32 address_write; // Write cache for address + u32 length_write; // Write cache for length + bool error; // True if error occurred since last read + } FileDevice; - void create_parents(u8 *path); + // Functions. + void init_nds_filesystem(); + bool nds_filesystem_enabled(); - void fs_push_entry(FileDevice *fs, u8 byte); + // Methods. + void fs_reset(FileDevice *fs); + void fs_calculate_length(FileDevice *fs); + bool fs_get_open(FileDevice *fs); + bool fs_get_error(FileDevice *fs); + bool fs_get_type(FileDevice *fs); + bool fs_get_child_type(FileDevice *fs); + void fs_push_open(FileDevice *fs, u8 byte); void fs_push_action(FileDevice *fs, u8 byte); - bool fs_push_byte(PathBuf *buf, u8 byte); - u8 fs_read_byte(FileDevice *fs); void fs_write_byte(FileDevice *fs, u8 byte); - void fs_ascend(FileDevice *fs); void fs_descend(FileDevice *fs); - void fs_seek(FileDevice *fs); void fs_resize(FileDevice *fs); - - void fs_select_child(FileDevice *fs, u32 pointer); - #endif |