1 files changed, 115 insertions, 0 deletions
diff --git a/include/rvl/arc.h b/include/rvl/arc.h
new file mode 100755
index 0000000..94d5d5b
--- /dev/null
+++ b/include/rvl/arc.h
@@ -0,0 +1,115 @@
+#ifndef __ARC_H__
+#define __ARC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct
+{
+    unsigned int    magic;
+    int             fstStart;
+    int             fstSize;
+    int             fileStart;
+    int             reserve[4];
+    
+} ARCHeader;
+
+#define DARCH_MAGIC         0x55aa382d
+
+typedef struct
+{
+    void*       archiveStartAddr;
+    void*       FSTStart;
+    void*       fileStart;
+    u32         entryNum;
+    char*       FSTStringStart;
+    u32         FSTLength;
+    u32         currDir;
+    
+} ARCHandle;
+
+typedef struct
+{
+    ARCHandle*  handle;
+    u32         startOffset;
+    u32         length;
+
+} ARCFileInfo;
+
+typedef struct
+{
+    ARCHandle*  handle;
+    u32         entryNum;
+    u32         location;
+    u32         next;
+} ARCDir;
+
+typedef struct 
+{
+    ARCHandle*  handle;
+    u32         entryNum;
+    BOOL        isDir;
+    char*       name;
+} ARCDirEntry;
+
+
+BOOL  ARCInitHandle(void* arcStart, ARCHandle* handle);
+BOOL  ARCOpen(ARCHandle* handle, const char* fileName, ARCFileInfo* af);
+BOOL  ARCFastOpen(ARCHandle* handle, s32 entrynum, ARCFileInfo* af);
+s32   ARCConvertPathToEntrynum(ARCHandle* handle, const char* pathPtr);
+void* ARCGetStartAddrInMem(ARCFileInfo* af);
+u32   ARCGetStartOffset(ARCFileInfo* af);
+u32   ARCGetLength(ARCFileInfo* af);
+BOOL  ARCClose(ARCFileInfo* af);
+
+BOOL  ARCChangeDir(ARCHandle* handle, const char* dirName);
+BOOL  ARCGetCurrentDir(ARCHandle* handle, char* path, u32 maxlen);
+
+BOOL  ARCOpenDir(ARCHandle* handle, const char* dirName, ARCDir* dir);
+BOOL  ARCReadDir(ARCDir* dir, ARCDirEntry* dirent);
+BOOL  ARCCloseDir(ARCDir* dir);
+
+/*---------------------------------------------------------------------------*
+  Name:         ARCTellDir
+
+  Description:  Returns the current location associated with the directory
+
+  Arguments:    dir         Pre-opened ARCDir* structure
+
+  Returns:      current location
+ *---------------------------------------------------------------------------*/
+#define ARCTellDir(dir)             ((dir)->location)
+
+/*---------------------------------------------------------------------------*
+  Name:         ARCSeekDir
+
+  Description:  Sets the position of the next ARCReadDir on the directory
+
+  Arguments:    dir         Pre-opened ARCDir* structure
+                loc         location to set
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+#define ARCSeekDir(dir, loc)        ((dir)->location = loc)
+
+/*---------------------------------------------------------------------------*
+  Name:         ARCRewindDir
+
+  Description:  Resets the position of the directory to the beginning
+
+  Arguments:    dir         Pre-opened ARCDir* structure
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+#define ARCRewindDir(dir)           ((dir)->location = (dir)->entryNum + 1)
+
+#define ARCGetDirEntryName(dirent)  ((dirent)->name)
+#define ARCDirEntryIsDir(dirent)    ((dirent)->isDir)
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // __ARC_H__