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-rw-r--r--sprintf.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sprintf.c b/sprintf.c
index 936a3d1..eddb902 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -13,6 +13,10 @@
#include "ruby.h"
#include <ctype.h>
+#ifndef atof
+double strtod();
+#endif
+
#ifdef USE_CWGUSI
static void fmt_setup();
#else
@@ -570,7 +574,7 @@ rb_f_sprintf(argc, argv)
fval = rb_big2dbl(val);
break;
case T_STRING:
- fval = atof(RSTRING(val)->ptr);
+ fval = strtod(RSTRING(val)->ptr, 0);
break;
default:
Check_Type(val, T_FLOAT);