1 files changed, 222 insertions, 0 deletions
diff --git a/arm9/lib/include/FS_file.h b/arm9/lib/include/FS_file.h
new file mode 100644
index 00000000..3a7d8730
--- /dev/null
+++ b/arm9/lib/include/FS_file.h
@@ -0,0 +1,222 @@
+#ifndef NITRO_FS_FILE_H_
+#define NITRO_FS_FILE_H_
+
+#include "nitro.h"
+
+#include "FS_archive.h"
+
+#define FS_FILE_STATUS_BUSY      0x00000001
+#define FS_FILE_STATUS_CANCEL    0x00000002
+#define FS_FILE_STATUS_SYNC      0x00000004
+#define FS_FILE_STATUS_ASYNC     0x00000008
+#define FS_FILE_STATUS_IS_FILE   0x00000010
+#define FS_FILE_STATUS_IS_DIR    0x00000020
+#define FS_FILE_STATUS_OPERATING 0x00000040
+
+#define FS_FILE_NAME_MAX 127
+
+typedef enum FSSeekFileMode
+{
+    FS_SEEK_SET = 0,
+    FS_SEEK_CUR,
+    FS_SEEK_END
+} FSSeekFileMode;
+
+struct FSFile;
+
+#define FS_DMA_NOT_USE ((u32)~0)
+
+typedef struct FSDirPos
+{
+    struct FSArchive *arc;
+    u16 own_id;
+    u16 index;
+    u32 pos;
+}
+FSDirPos;
+
+typedef struct FSFileID
+{
+    struct FSArchive *arc;
+    u32 file_id;
+}
+FSFileID;
+
+typedef struct
+{
+    union
+    {
+        FSFileID file_id;
+        FSDirPos dir_id;
+    };
+    u32 is_directory;
+    u32 name_len;
+    char name[128];
+}
+FSDirEntry;
+
+
+typedef struct
+{
+    FSDirPos pos;
+}
+FSSeekDirInfo;
+
+
+typedef struct
+{
+    FSDirEntry *p_entry;
+    BOOL skip_string;
+}
+FSReadDirInfo;
+
+
+typedef struct
+{
+    FSDirPos pos;
+    const char *path;
+    BOOL find_directory;
+    union
+    {
+        FSFileID *file;
+        FSDirPos *dir;
+    }
+    result;
+}
+FSFindPathInfo;
+
+
+typedef struct
+{
+    u8 *buf;
+    u32 buf_len;
+    u16 total_len;
+    u16 dir_id;
+}
+FSGetPathInfo;
+
+
+typedef struct
+{
+    FSFileID id;
+}
+FSOpenFileFastInfo;
+
+
+typedef struct
+{
+    u32 top;
+    u32 bottom;
+    u32 index;
+}
+FSOpenFileDirectInfo;
+
+
+typedef struct
+{
+    u32 reserved;
+}
+FSCloseFileInfo;
+
+
+typedef struct
+{
+    void *dst;
+    u32 len_org;
+    u32 len;
+}
+FSReadFileInfo;
+
+
+typedef struct
+{
+    const void *src;
+    u32 len_org;
+    u32 len;
+}
+FSWriteFileInfo;
+
+typedef struct FSFile
+{
+    FSFileLink link;
+    struct FSArchive *arc;
+    u32 stat;
+    FSCommandType command;
+    FSResult error;
+    OSThreadQueue queue[1];
+    union {
+        struct
+        {
+            u32 own_id;
+            u32 top;
+            u32 bottom;
+            u32 pos;
+        } file;
+        struct
+        {
+            FSDirPos pos;
+            u32 parent;
+        } dir;
+    } prop;
+
+    union {
+        FSReadFileInfo readfile;
+        FSWriteFileInfo writefile;
+
+        FSSeekDirInfo seekdir;
+        FSReadDirInfo readdir;
+        FSFindPathInfo findpath;
+        FSGetPathInfo getpath;
+        FSOpenFileFastInfo openfilefast;
+        FSOpenFileDirectInfo openfiledirect;
+        FSCloseFileInfo closefile;
+    } arg;
+}
+FSFile;
+
+u32 FS_SetDefaultDMA(u32 dma_no); // returns the previous selection
+void FS_InitFile(FSFile * p_file);
+BOOL FS_WaitAsync(FSFile * p_file);
+BOOL FS_OpenFileDirect(FSFile * p_file, FSArchive * p_arc, u32 image_top, u32 image_bottom, u32 file_index);
+int FS_ReadFile(FSFile * p_file, void * dst, s32 len);
+int FS_ReadFileAsync(FSFile * p_file, void * dst, s32 len);
+BOOL FS_OpenFile(FSFile * p_file, const char * path);
+BOOL FS_OpenFileFast(FSFile * p_file, FSFileID file_id);
+BOOL FS_CloseFile(FSFile * p_file);
+BOOL FS_SeekFile(FSFile * p_file, int offset, FSSeekFileMode origin);
+
+static inline u32 const FS_GetFileImageTop(volatile const FSFile * p_file) {
+    return p_file->prop.file.top;
+}
+
+static inline u32 const FS_GetLength(volatile const FSFile * p_file)
+{
+    return p_file->prop.file.bottom - p_file->prop.file.top;
+}
+
+static inline BOOL FS_IsCanceling(volatile const FSFile * p_file)
+{
+    return (p_file->stat & FS_FILE_STATUS_CANCEL) ? TRUE : FALSE;
+}
+
+static inline BOOL FS_IsFileSyncMode(volatile const FSFile * p_file)
+{
+    return (p_file->stat & FS_FILE_STATUS_SYNC) ? TRUE : FALSE;
+}
+
+static inline BOOL FS_IsBusy(volatile const FSFile * p_file)
+{
+    return p_file->stat & FS_FILE_STATUS_BUSY ? TRUE : FALSE;
+}
+
+static inline BOOL FS_IsSucceeded(volatile const FSFile * p_file)
+{
+    return (p_file->error == FS_RESULT_SUCCESS) ? TRUE : FALSE;
+}
+
+static inline BOOL FS_IsDir(volatile const FSFile * p_file)
+{
+    return (p_file->stat & FS_FILE_STATUS_IS_DIR) ? TRUE : FALSE;
+}
+
+#endif //NITRO_FS_FILE_H_