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 98b992a..39b9daa 100644 (file)
--- a/src/stdlib/strtod.c
+++ b/src/stdlib/strtod.c
@@ -1,15 +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)
 {
-       FILE f = {
-               .buf = (void *)s, .rpos = (void *)s,
-               .rend = (void *)-1, .lock = -1
-       };
-       off_t cnt;
-       double y = __floatscan(&f, -1, 1, 1, &cnt);
-       if (p) *p = (char *)s + cnt;
+       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);
+}