remove LFS64 programming interfaces (macro-only) from _GNU_SOURCE

[musl] / src / stdlib / strtod.c

diff --git a/src/stdlib/strtod.c b/src/stdlib/strtod.c
index 388058f..39b9daa 100644 (file)
--- a/src/stdlib/strtod.c
+++ b/src/stdlib/strtod.c
@@ -1,6 +1,30 @@
 #include <stdlib.h>
+#include "shgetc.h"
+#include "floatscan.h"
+#include "stdio_impl.h"
 
-double strtod(const char *s, char **p)
+static long double strtox(const char *s, char **p, int prec)
 {
-       return strtold(s, p);
+       FILE f;
+       sh_fromstring(&f, s);
+       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);
 }