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-rw-r--r--src/stdlib/strtod.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/src/stdlib/strtod.c b/src/stdlib/strtod.c
index 98b992a1..b444f530 100644
--- a/src/stdlib/strtod.c
+++ b/src/stdlib/strtod.c
@@ -2,14 +2,31 @@
#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)
{
+ char *t = (char *)s;
+ while (isspace(*t)) t++;
FILE f = {
- .buf = (void *)s, .rpos = (void *)s,
+ .buf = (void *)t, .rpos = (void *)t,
.rend = (void *)-1, .lock = -1
};
off_t cnt;
- double y = __floatscan(&f, -1, 1, 1, &cnt);
- if (p) *p = (char *)s + cnt;
+ long double y = __floatscan(&f, -1, prec, 1, &cnt);
+ if (p) *p = cnt ? t + cnt : (char *)s;
return y;
}
+
+float strtof(const char *s, char **p)
+{
+ return strtox(s, p, 0);
+}
+
+double strtod(const char *s, char **p)
+{
+ return strtox(s, p, 1);
+}
+
+long double strtold(const char *s, char **p)
+{
+ return strtox(s, p, 2);
+}