new scanf implementation and corresponding integer parser/converter

[musl] / src / stdlib / wcstoull.c

#include <wchar.h>
#include <stdlib.h>
#include <inttypes.h>
#include <errno.h>
#include <limits.h>

unsigned long long wcstoull(const wchar_t *s, wchar_t **p, int base)
{
        intmax_t x;
        if (sizeof(intmax_t) == sizeof(long long))
                return wcstoumax(s, p, base);
        x = wcstoimax(s, p, base);
        if (-x > ULLONG_MAX || x > ULLONG_MAX) {
                errno = ERANGE;
                return ULLONG_MAX;
        }
        return x;
}