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+/* Line breaking auxiliary functions.
+ Copyright (C) 2001-2003, 2006-2008 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2001.
+
+ This program 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 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include "unilbrk/ulc-common.h"
+
+#include "c-ctype.h"
+#include "c-strcaseeq.h"
+
+int
+is_utf8_encoding (const char *encoding)
+{
+ if (STRCASEEQ (encoding, "UTF-8", 'U', 'T', 'F', '-', '8', 0, 0, 0, 0))
+ return 1;
+ return 0;
+}
+
+#if C_CTYPE_ASCII
+
+/* Tests whether a string is entirely ASCII. Returns 1 if yes.
+ Returns 0 if the string is in an 8-bit encoding or an ISO-2022 encoding. */
+int
+is_all_ascii (const char *s, size_t n)
+{
+ for (; n > 0; s++, n--)
+ {
+ unsigned char c = (unsigned char) *s;
+
+ if (!(c_isprint (c) || c_isspace (c)))
+ return 0;
+ }
+ return 1;
+}
+
+#endif /* C_CTYPE_ASCII */