1 #include <stdlib.h>
2 #include "shgetc.h"
3 #include "floatscan.h"
4 #include "stdio_impl.h"
5
strtox(const char * s,char ** p,int prec)6 static long double strtox(const char *s, char **p, int prec)
7 {
8 FILE f;
9 sh_fromstring(&f, s);
10 shlim(&f, 0);
11 long double y = __floatscan(&f, prec, 1);
12 off_t cnt = shcnt(&f);
13 if (p) *p = cnt ? (char *)s + cnt : (char *)s;
14 return y;
15 }
16
17 #if defined(__LITEOS__) || (!defined(MUSL_AARCH64_ARCH)) && (!defined(MUSL_ARM_ARCH))
strtof(const char * restrict s,char ** restrict p)18 float strtof(const char *restrict s, char **restrict p)
19 {
20 return strtox(s, p, 0);
21 }
22
strtod(const char * restrict s,char ** restrict p)23 double strtod(const char *restrict s, char **restrict p)
24 {
25 return strtox(s, p, 1);
26 }
27 #endif
28
strtold(const char * restrict s,char ** restrict p)29 long double strtold(const char *restrict s, char **restrict p)
30 {
31 return strtox(s, p, 2);
32 }
33