1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
#include <stdlib.h>
#include "shgetc.h"
#include "floatscan.h"
#include "stdio_impl.h"
#include "libc.h"
static long double strtox(const char *s, char **p, int prec)
{
FILE f = {
.buf = (void *)s, .rpos = (void *)s,
.rend = (void *)-1, .lock = -1
};
shlim(&f, 0);
long double y = __floatscan(&f, prec, 1);
off_t cnt = shcnt(&f);
if (p) *p = cnt ? (char *)s + cnt : (char *)s;
return y;
}
float strtof(const char *restrict s, char **restrict p)
{
return strtox(s, p, 0);
}
double strtod(const char *restrict s, char **restrict p)
{
return strtox(s, p, 1);
}
long double strtold(const char *restrict s, char **restrict p)
{
return strtox(s, p, 2);
}
weak_alias(strtof, strtof_l);
weak_alias(strtod, strtod_l);
weak_alias(strtold, strtold_l);
weak_alias(strtof, __strtof_l);
weak_alias(strtod, __strtod_l);
weak_alias(strtold, __strtold_l);
|
