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-rw-r--r--wcsmbs/wcsrtombs.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/wcsmbs/wcsrtombs.c b/wcsmbs/wcsrtombs.c
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+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <wchar.h>
+
+
+size_t
+wcsrtombs (dst, src, len, ps)
+     char *dst;
+     const wchar_t **src;
+     size_t len;
+     mbstate_t *ps;
+{
+  size_t result = 0;
+
+  /*************************************************************\
+  |* This is no complete implementation.  While the multi-byte *|
+  |* character handling is not finished this will do.	       *|
+  \*************************************************************/
+
+  while (len > 0 && **src != L'\0')
+    {
+      if ((**src & ~0xff) != 0)
+	{
+	  errno = EILSEQ;
+	  return (size_t) -1;
+	}
+
+      if (dst != NULL)
+	dst[result] = (char) **src;
+      ++result;
+      ++(*src);
+      --len;
+    }
+
+  if (len > 0)
+    {
+      if (dst != NULL)
+	{
+	  dst[result] = '\0';
+	  *ps = 0;
+	}
+      *src = NULL;
+    }
+
+  return result;
+}