Add function to set tracks for AaruFormat image context with validation and memory management

include/aaruformat/decls.h

@@ -25,6 +25,7 @@
 #include "sha256.h"
 #include "simd.h"
 #include "spamsum.h"
+#include "structs/optical.h"
 #ifdef __cplusplus
 #define EXTERNC extern "C"
 #else
@@ -84,6 +85,7 @@ AARU_EXPORT void AARU_CALL       aaruf_crc64_slicing(uint64_t *previous_crc, con
 AARU_EXPORT uint64_t AARU_CALL   aaruf_crc64_data(const uint8_t *data, uint32_t len);
 
 AARU_EXPORT int32_t AARU_CALL aaruf_get_tracks(const void *context, uint8_t *buffer, size_t *length);
+AARU_EXPORT int32_t AARU_CALL aaruf_set_tracks(void *context, TrackEntry *tracks, const int count);
 
 AARU_EXPORT int32_t AARU_CALL aaruf_read_sector(void *context, uint64_t sector_address, bool negative, uint8_t *data,
                                                 uint32_t *length);