From 9ef094b356b4da7542c3cab898dac7e135b76903 Mon Sep 17 00:00:00 2001
From: Riccardo Spagni <ric@spagni.net>
Date: Sun, 5 Oct 2014 23:44:31 +0200
Subject: added unbound to external deps

---
 external/unbound/testcode/readhex.c | 85 +++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 external/unbound/testcode/readhex.c

(limited to 'external/unbound/testcode/readhex.c')

diff --git a/external/unbound/testcode/readhex.c b/external/unbound/testcode/readhex.c
new file mode 100644
index 000000000..b986efdeb
--- /dev/null
+++ b/external/unbound/testcode/readhex.c
@@ -0,0 +1,85 @@
+/*
+ * testcode/readhex.c - read hex data.
+ *
+ * Copyright (c) 2007, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 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.
+ *
+ * Neither the name of the NLNET LABS 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 COPYRIGHT HOLDERS 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 COPYRIGHT
+ * HOLDER 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.
+ *
+ */
+/**
+ * \file
+ * Declarations useful for the unit tests.
+ */
+#include "config.h"
+#include <ctype.h>
+#include "testcode/readhex.h"
+#include "util/log.h"
+#include "ldns/sbuffer.h"
+#include "ldns/parseutil.h"
+
+/** skip whitespace */
+static void
+skip_whites(const char** p)
+{
+	while(1) {
+		while(isspace((int)**p))
+			(*p)++;
+		if(**p == ';') {
+			/* comment, skip until newline */
+			while(**p && **p != '\n')
+				(*p)++;
+			if(**p == '\n')
+				(*p)++;
+		} else return;
+	}
+}
+
+/* takes a hex string and puts into buffer */
+void hex_to_buf(sldns_buffer* pkt, const char* hex)
+{
+	const char* p = hex;
+	int val;
+	sldns_buffer_clear(pkt);
+	while(*p) {
+		skip_whites(&p);
+		if(sldns_buffer_position(pkt) == sldns_buffer_limit(pkt))
+			fatal_exit("hex_to_buf: buffer too small");
+		if(!isalnum((int)*p))
+			break;
+		val = sldns_hexdigit_to_int(*p++) << 4;
+		skip_whites(&p);
+		log_assert(*p && isalnum((int)*p));
+		val |= sldns_hexdigit_to_int(*p++);
+		sldns_buffer_write_u8(pkt, (uint8_t)val);
+		skip_whites(&p);
+	}
+	sldns_buffer_flip(pkt);
+}
+
-- 
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