1 files changed, 88 insertions, 0 deletions
diff --git a/REORG.TODO/iconv/iconv_open.c b/REORG.TODO/iconv/iconv_open.c
new file mode 100644
index 0000000000..02e2b7d85e
--- /dev/null
+++ b/REORG.TODO/iconv/iconv_open.c
@@ -0,0 +1,88 @@
+/* Get descriptor for character set conversion.
+   Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <alloca.h>
+#include <errno.h>
+#include <iconv.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <gconv_int.h>
+#include "gconv_charset.h"
+
+
+iconv_t
+iconv_open (const char *tocode, const char *fromcode)
+{
+  /* Normalize the name.  We remove all characters beside alpha-numeric,
+     '_', '-', '/', '.', and ':'.  */
+  size_t tocode_len = strlen (tocode) + 3;
+  char *tocode_conv;
+  bool tocode_usealloca = __libc_use_alloca (tocode_len);
+  if (tocode_usealloca)
+    tocode_conv = (char *) alloca (tocode_len);
+  else
+    {
+      tocode_conv = (char *) malloc (tocode_len);
+      if (tocode_conv == NULL)
+	return (iconv_t) -1;
+    }
+  strip (tocode_conv, tocode);
+  tocode = (tocode_conv[2] == '\0' && tocode[0] != '\0'
+	    ? upstr (tocode_conv, tocode) : tocode_conv);
+
+  size_t fromcode_len = strlen (fromcode) + 3;
+  char *fromcode_conv;
+  bool fromcode_usealloca = __libc_use_alloca (fromcode_len);
+  if (fromcode_usealloca)
+    fromcode_conv = (char *) alloca (fromcode_len);
+  else
+    {
+      fromcode_conv = (char *) malloc (fromcode_len);
+      if (fromcode_conv == NULL)
+	{
+	  if (! tocode_usealloca)
+	    free (tocode_conv);
+	  return (iconv_t) -1;
+	}
+    }
+  strip (fromcode_conv, fromcode);
+  fromcode = (fromcode_conv[2] == '\0' && fromcode[0] != '\0'
+	      ? upstr (fromcode_conv, fromcode) : fromcode_conv);
+
+  __gconv_t cd;
+  int res = __gconv_open (tocode, fromcode, &cd, 0);
+
+  if (! fromcode_usealloca)
+    free (fromcode_conv);
+  if (! tocode_usealloca)
+    free (tocode_conv);
+
+  if (__builtin_expect (res, __GCONV_OK) != __GCONV_OK)
+    {
+      /* We must set the error number according to the specs.  */
+      if (res == __GCONV_NOCONV || res == __GCONV_NODB)
+	__set_errno (EINVAL);
+
+      cd = (iconv_t) -1;
+    }
+
+  return (iconv_t) cd;
+}