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-rw-r--r--wcsmbs/wcrtomb.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/wcsmbs/wcrtomb.c b/wcsmbs/wcrtomb.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
+wcrtomb (s, wc, ps)
+ char *s;
+ wchar_t wc;
+ mbstate_t *ps;
+{
+ /*************************************************************\
+ |* This is no complete implementation. While the multi-byte *|
+ |* character handling is not finished this will do. *|
+ \*************************************************************/
+
+ char fake[1];
+
+ if (s == NULL)
+ {
+ s = fake;
+ wc = L'\0';
+ }
+
+ if (wc == L'\0')
+ {
+ /* FIXME Write any shift sequence to get to *PS == NULL. */
+ *ps = 0;
+ *s = '\0';
+ return 1;
+ }
+
+ /* FIXME For now we don't handle real multi-byte encodings. */
+ if ((wc & ~0xff) != 0)
+ {
+ errno = EILSEQ;
+ return (size_t) -1;
+ }
+
+ *s = (char) wc;
+ return 1;
+}