1 files changed, 77 insertions, 0 deletions
diff --git a/lib/wind/errorlist.c b/lib/wind/errorlist.c
new file mode 100644
index 000000000000..c2907832a276
--- /dev/null
+++ b/lib/wind/errorlist.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "windlocl.h"
+
+#include <stdlib.h>
+
+#include "errorlist_table.h"
+
+static int
+error_entry_cmp(const void *a, const void *b)
+{
+    const struct error_entry *ea = (const struct error_entry*)a;
+    const struct error_entry *eb = (const struct error_entry*)b;
+
+    if (ea->start >= eb->start && ea->start < eb->start + eb->len)
+	return 0;
+    return ea->start - eb->start;
+}
+
+int
+_wind_stringprep_error(const uint32_t cp, wind_profile_flags flags)
+{
+    struct error_entry ee = {cp};
+    const struct error_entry *s;
+
+    s = (const struct error_entry *)
+	bsearch(&ee, _wind_errorlist_table,
+		_wind_errorlist_table_size,
+		sizeof(_wind_errorlist_table[0]),
+		error_entry_cmp);
+    if (s == NULL)
+	return 0;
+    return (s->flags & flags);
+}
+
+int
+_wind_stringprep_prohibited(const uint32_t *in, size_t in_len,
+			    wind_profile_flags flags)
+{
+    unsigned i;
+
+    for (i = 0; i < in_len; ++i)
+	if (_wind_stringprep_error(in[i], flags))
+	    return 1;
+    return 0;
+}