add _l versions of strtod family functions, purely as aliases

[musl] / src / stdlib / strtod.c

diff --git a/src/stdlib/strtod.c b/src/stdlib/strtod.c
index 388058f..461dcf8 100644 (file)
--- a/src/stdlib/strtod.c
+++ b/src/stdlib/strtod.c
@@ -1,6 +1,40 @@
 #include <stdlib.h>
+#include "shgetc.h"
+#include "floatscan.h"
+#include "stdio_impl.h"
+#include "libc.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 = {
+               .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);