* object.c (rb_str_to_dbl): Fix again. use rb_str_tmp_new()

instead ALLOC_N.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30645 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Mon Jan 24 22:26:33 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* object.c (rb_str_to_dbl): Fix again. use rb_str_tmp_new()
+	  instead ALLOC_N.
+
 Mon Jan 24 21:50:48 2011  Tanaka Akira  <akr@fsij.org>
 
 	* vm_insnhelper.h: parenthesize macro arguments.

object.c

@@ -2246,7 +2246,7 @@ rb_str_to_dbl(VALUE str, int badcheck)
     char *s;
     long len;
     double ret;
-    char *alloced = NULL;
+    VALUE tmp = Qnil;
 
     StringValue(str);
     s = RSTRING_PTR(str);
@@ -2256,15 +2256,18 @@ rb_str_to_dbl(VALUE str, int badcheck)
 	    rb_raise(rb_eArgError, "string for Float contains null byte");
 	}
 	if (s[len]) {		/* no sentinel somehow */
-	    char *p = alloced = ALLOC_N(char, len+1);
+	    char *p;
+
+	    tmp = rb_str_tmp_new(len);
+	    p = RSTRING_PTR(tmp);
 	    MEMCPY(p, s, char, len);
 	    p[len] = '\0';
 	    s = p;
 	}
     }
     ret = rb_cstr_to_dbl(s, badcheck);
-    if (alloced)
-	xfree(alloced);
+    if (tmp != Qnil)
+	rb_str_resize(tmp, 0);
     return ret;
 }