#include "cdio/compat/disc.h"

#include "cdio/compat/mmc.h"


// FFI-compatible wrappers

const char* discmode_string(discmode_t dm) {
    if (dm > CDIO_DISC_MODE_CD_I || dm < CDIO_DISC_MODE_CD_DA)
        return discmode2str[CDIO_DISC_MODE_ERROR];
    else
        return discmode2str[dm];
}


discmode_t discmode_error() {
    return CDIO_DISC_MODE_ERROR;
}


// Marshalling aids

void get_cdtext_raw_len(CdIo_t* cdio, uint8_t** data, unsigned int* length) {
    *data = cdio_get_cdtext_raw(cdio);
    // Source diving to lib/driver/generic.h:read_cdtext_generic()
    if (data && *data)
        // The CDTEXT length includes the two always-null bytes before the
        // data, but *not* the two length bytes themselves.
        *length = CDIO_MMC_GET_LEN16(*data) - 2;
    else
        *length = 0;
}