fxlibc/src/stdlib/strtoll.c

22 lines
465 B
C

#include "stdlib_p.h"
#include <errno.h>
long long int strtoll(char const * restrict ptr, char ** restrict endptr,
int base)
{
long long n = 0;
if(endptr)
*endptr = (char *)ptr;
struct __scanf_input in = { .str = ptr, .fp = NULL };
__scanf_start(&in);
int err = __strto_int(&in, base, NULL, &n, false, INT_MAX);
__scanf_end(&in);
if(err != 0)
errno = (err == EOF) ? EINVAL : err;
if(err != EINVAL && endptr)
*endptr = (char *)in.str;
return n;
}