Implemented CIFF parser

src/ciff_tools.h

@@ -0,0 +1,29 @@
+//
+// Created by marcsello on 03/11/2020.
+//
+
+#ifndef CAFF_PREVIEWER_CIFF_TOOLS_H
+#define CAFF_PREVIEWER_CIFF_TOOLS_H
+
+#include <stdint.h>
+#include "magic_memory.h"
+
+#define CIFF_PARSE_UNKNOWN_ERROR 1
+#define CIFF_PARSE_HEADER_LENGTHS_INCORRECT 2
+#define CIFF_PARSE_HEADER_DIMENSIONS_INCORRECT 3
+#define CIFF_PARSE_HEADER_TOO_SHORT 4
+#define CIFF_PARSE_HEADER_BAD_MAGIC 5
+#define CIFF_PARSE_SUCCESS 0
+
+typedef struct __attribute__ ((packed)) ciff_static_header_t {
+    uint32_t magic; // should be equal to 0x43494646
+    uint64_t header_size;
+    uint64_t content_size;
+    uint64_t width;
+    uint64_t height;
+} ciff_static_header_t;
+
+
+uint8_t parse_ciff_from_mem(const uint8_t* data, uint64_t data_len, uint64_t* width, uint64_t* height, uint64_t* pixel_data_starts);
+
+#endif //CAFF_PREVIEWER_CIFF_TOOLS_H