* ext/iconv/iconv.c (iconv_s_list): support NetBSD/Citrus iconv.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Thu Dec  6 01:00:38 2007  NARUSE, Yui <naruse@ruby-lang.org>
+
+	* ext/iconv/iconv.c (iconv_s_list): support NetBSD/Citrus iconv.
+
 Wed Dec  5 16:18:50 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* proc.c (rb_proc_s_new): call initialize.  [ruby-core:13824]

ext/iconv/extconf.rb

@@ -24,6 +24,7 @@ if have_func("iconv", "iconv.h") or
     $defs.push('-DICONV_INPTR_CONST')
   end
   have_func("iconvlist", "iconv.h")
+  have_func("__iconv_free_list", "iconv.h")
   if conf
     prefix = '$(srcdir)'
     prefix =  $nmake ? "{#{prefix}}" : "#{prefix}/"

ext/iconv/iconv.c

@@ -741,6 +741,24 @@ iconv_s_list(void)
     state = *(int *)args;
     if (state) rb_jump_tag(state);
     if (args[1]) return args[1];
+#elif defined(HAVE___ICONV_FREE_LIST)
+    char **list;
+    size_t sz, i;
+    VALUE ary;
+
+    if (__iconv_get_list(&list, &sz)) return Qnil;
+
+    ary = rb_ary_new2(sz);
+    for (i = 0; i < sz; i++) {
+	rb_ary_push(ary, rb_str_new2(list[i]));
+    }
+    __iconv_free_list(list, sz);
+
+    if (!rb_block_given_p())
+	return ary;
+    for (i = 0; i < RARRAY_LEN(ary); i++) {
+	rb_yield(RARRAY_PTR(ary)[i]);
+    }
 #else
     rb_notimplement();
 #endif