1 files changed, 16 insertions, 18 deletions

diff --git a/spec/ruby/optional/capi/ext/util_spec.c b/spec/ruby/optional/capi/ext/util_spec.c
index a7269353c2..b5bde420d2 100644
--- a/spec/ruby/optional/capi/ext/util_spec.c
+++ b/spec/ruby/optional/capi/ext/util_spec.c
@@ -7,15 +7,18 @@ extern "C" {
 #endif
 
 VALUE util_spec_rb_scan_args(VALUE self, VALUE argv, VALUE fmt, VALUE expected, VALUE acc) {
-  int i, result, argc = (int)RARRAY_LEN(argv);
-  VALUE args[6], failed, a1, a2, a3, a4, a5, a6;
+  int result, argc;
+  VALUE a1, a2, a3, a4, a5, a6;
 
-  failed = rb_intern("failed");
-  a1 = a2 = a3 = a4 = a5 = a6 = failed;
+  argc = (int) RARRAY_LEN(argv);
+  VALUE* args = RARRAY_PTR(argv);
+  /* the line above can be replaced with this for Ruby implementations which do not support RARRAY_PTR() yet
+    VALUE args[6];
+    for(int i = 0; i < argc; i++) {
+      args[i] = rb_ary_entry(argv, i);
+    } */
 
-  for(i = 0; i < argc; i++) {
-    args[i] = rb_ary_entry(argv, i);
-  }
+  a1 = a2 = a3 = a4 = a5 = a6 = INT2FIX(-1);
 
 #ifdef RB_SCAN_ARGS_KEYWORDS
   if (*RSTRING_PTR(fmt) == 'k') {
@@ -59,22 +62,17 @@ static VALUE util_spec_rb_get_kwargs(VALUE self, VALUE keyword_hash, VALUE keys,
   int len = RARRAY_LENINT(keys);
 
   int values_len = req + (opt < 0 ? -1 - opt : opt);
-  int i = 0;
 
-  ID *ids = (ID*) malloc(sizeof(VALUE) * len);
-  VALUE *results = (VALUE*) malloc(sizeof(VALUE) * values_len);
-  int extracted = 0;
-  VALUE ary = Qundef;
+  ID *ids = (ID *)alloca(sizeof(VALUE) * len);
+  VALUE *results = (VALUE *)alloca(sizeof(VALUE) * values_len);
 
-  for (i = 0; i < len; i++) {
+  for (int i = 0; i < len; i++) {
     ids[i] = SYM2ID(rb_ary_entry(keys, i));
   }
 
-  extracted = rb_get_kwargs(keyword_hash, ids, req, opt, results);
-  ary = rb_ary_new_from_values(extracted, results);
-  free(results);
-  free(ids);
-  return ary;
+  int extracted = rb_get_kwargs(keyword_hash, ids, req, opt, results);
+
+  return rb_ary_new_from_values(extracted, results);
 }
 
 static VALUE util_spec_rb_long2int(VALUE self, VALUE n) {