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-rw-r--r--gl/lib/btowc.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/gl/lib/btowc.c b/gl/lib/btowc.c
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+++ b/gl/lib/btowc.c
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+/* Convert unibyte character to wide character.
+ Copyright (C) 2008, 2010-2022 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2008.
+
+ This file 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.
+
+ This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <wchar.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+wint_t
+btowc (int c)
+{
+ if (c != EOF)
+ {
+ char buf[1];
+ wchar_t wc;
+
+ buf[0] = c;
+ if (mbtowc (&wc, buf, 1) >= 0)
+ return wc;
+ }
+ return WEOF;
+}