Function ChunkFile_Open_Ex

src/file.c:983–1002

* Open a chunk file (starting with FORM) for reading. * * @param filename The name of the file to open. * @return An index value refering to the opened file, or FILE_INVALID. */

 * @return An index value refering to the opened file, or FILE_INVALID.
 */
uint8 ChunkFile_Open_Ex(enum SearchDirectory dir, const char *filename)
{
	uint8 index;
	uint32 header;

	index = File_Open_Ex(dir, filename, FILE_MODE_READ);

	if(index == FILE_INVALID) return index;

	File_Read(index, &header, 4);

	if (header != HTOBE32(CC_FORM)) {
		File_Close(index);
		return FILE_INVALID;
	}

	File_Seek(index, 4, 1);

	return index;
}

/**
 * Close an opened chunk file.