1 files changed, 73 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/iconv/gconv.c b/newlib/libc/sys/linux/iconv/gconv.c
new file mode 100644
index 000000000..b413e26c5
--- /dev/null
+++ b/newlib/libc/sys/linux/iconv/gconv.c
@@ -0,0 +1,73 @@
+/* Convert characters in input buffer using conversion descriptor to
+   output buffer.
+   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 <assert.h>
+#include <gconv_int.h>
+#include <sys/param.h>
+#include <dlfcn.h>
+#include <stddef.h>
+
+int
+internal_function
+__gconv (__gconv_t cd, const unsigned char **inbuf,
+	 const unsigned char *inbufend, unsigned char **outbuf,
+	 unsigned char *outbufend, size_t *irreversible)
+{
+  size_t last_step;
+  int result;
+
+  if (cd == (__gconv_t) -1L)
+    return __GCONV_ILLEGAL_DESCRIPTOR;
+
+  last_step = cd->__nsteps - 1;
+
+  assert (irreversible != NULL);
+  *irreversible = 0;
+
+  cd->__data[last_step].__outbuf = outbuf != NULL ? *outbuf : NULL;
+  cd->__data[last_step].__outbufend = outbufend;
+
+  if (inbuf == NULL || *inbuf == NULL)
+    /* We just flush.  */
+    result = cd->__steps->__fct (cd->__steps, cd->__data, NULL, NULL, NULL,
+                                 irreversible,
+                                 cd->__data[last_step].__outbuf == NULL ? 2 : 1, 0);
+  else
+    {
+      const unsigned char *last_start;
+
+      assert (outbuf != NULL && *outbuf != NULL);
+
+      do
+	{
+	  last_start = *inbuf;
+	  result = cd->__steps->__fct (cd->__steps, cd->__data, inbuf, inbufend,
+				 NULL, irreversible, 0, 0);
+	}
+      while (result == __GCONV_EMPTY_INPUT && last_start != *inbuf
+	     && *inbuf + cd->__steps->__min_needed_from <= inbufend);
+    }
+
+  if (outbuf != NULL && *outbuf != NULL)
+    *outbuf = cd->__data[last_step].__outbuf;
+
+  return result;
+}