third_party/ulib/musl/src/locale/wcsxfrm.c

#include "libc.h"
#include <wchar.h>

/* collate only by code points */
size_t wcsxfrm(wchar_t* restrict dest, const wchar_t* restrict src, size_t n) {
    size_t l = wcslen(src);
    if (l < n) {
        wmemcpy(dest, src, l + 1);
    } else if (n) {
        wmemcpy(dest, src, n - 1);
        dest[n - 1] = 0;
    }
    return l;
}