/* This software is licensed by the MIT License, see LICENSE file */
/*                                Copyright © 2022 Gregory Lirent */

#include "build.h"

int char16size(const char16_t* s) {
    unsigned int v;

    memcpy(&v, s, 4);

    if (IS_LITTLE_ENDIAN) {
        if ((v&0xfc00fc00) == 0xdc00d800) return 2;
        if ((v&0x0000f800) != 0x0000d800) return 1;
    } else {
        if ((v&0xfc00fc00) == 0xd800dc00) return 2;
        if ((v&0xf8000000) != 0xd8000000) return 1;
    }

    return 0;
}