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-rw-r--r--third_party/heimdal/lib/wind/errorlist.c77
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diff --git a/third_party/heimdal/lib/wind/errorlist.c b/third_party/heimdal/lib/wind/errorlist.c
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+/*
+ * 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, 0, 0};
+ 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;
+}