1 files changed, 65 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/iconv/iconv_open.c b/newlib/libc/sys/linux/iconv/iconv_open.c
new file mode 100644
index 000000000..ac44af80c
--- /dev/null
+++ b/newlib/libc/sys/linux/iconv/iconv_open.c
@@ -0,0 +1,65 @@
+/* Get descriptor for character set conversion.
+   Copyright (C) 1997, 1998, 1999, 2000, 2001 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <iconv.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)
+{
+  char *tocode_conv;
+  char *fromcode_conv;
+  size_t tocode_len;
+  size_t fromcode_len;
+  __gconv_t cd;
+  int res;
+
+  /* Normalize the name.  We remove all characters beside alpha-numeric,
+     '_', '-', '/', and '.'.  */
+  tocode_len = strlen (tocode);
+  tocode_conv = alloca (tocode_len + 3);
+  strip (tocode_conv, tocode);
+  tocode = tocode_conv[2] == '\0' ? upstr (tocode_conv, tocode) : tocode_conv;
+
+  fromcode_len = strlen (fromcode);
+  fromcode_conv = alloca (fromcode_len + 3);
+  strip (fromcode_conv, fromcode);
+  fromcode = (fromcode_conv[2] == '\0'
+	      ? upstr (fromcode_conv, fromcode) : fromcode_conv);
+
+  res = __gconv_open (tocode, fromcode, &cd, 0);
+
+  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);
+
+      return (iconv_t) -1;
+    }
+
+  return (iconv_t) cd;
+}