1 files changed, 64 insertions, 0 deletions
diff --git a/lib/libpcap/libpcap/tests/hex_and_ascii_print.c b/lib/libpcap/libpcap/tests/hex_and_ascii_print.c
new file mode 100644
index 0000000..6ee836e
--- /dev/null
+++ b/lib/libpcap/libpcap/tests/hex_and_ascii_print.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2013 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+#include <stdio.h>
+#include <ctype.h>
+
+#define MAXBUF 16
+
+void
+hex_and_ascii_print(const char *prefix, const void *data,
+					size_t len, const char *suffix)
+{
+	size_t i, j, k;
+	unsigned char *ptr = (unsigned char *)data;
+	unsigned char hexbuf[3 * MAXBUF + 1];
+	unsigned char asciibuf[MAXBUF + 1];
+	
+	for (i = 0; i < len; i += MAXBUF) {
+		for (j = i, k = 0; j < i + MAXBUF && j < len; j++) {
+			unsigned char msnbl = ptr[j] >> 4;
+			unsigned char lsnbl = ptr[j] & 0x0f;
+			
+			if (isprint(ptr[j]))
+				asciibuf[j % MAXBUF]  = ptr[j];
+			else
+				asciibuf[j % MAXBUF]  = '.';
+			asciibuf[(j % MAXBUF) + 1]  = 0;
+			
+			hexbuf[k++] = msnbl < 10 ? msnbl + '0' : msnbl + 'a' - 10;
+			hexbuf[k++] = lsnbl < 10 ? lsnbl + '0' : lsnbl + 'a' - 10;
+			if ((j % 2) == 1)
+				hexbuf[k++] = ' ';
+		}
+		for (; j < i + MAXBUF;j++) {
+			hexbuf[k++] = ' ';
+			hexbuf[k++] = ' ';
+			if ((j % 2) == 1)
+				hexbuf[k++] = ' ';
+		}
+		hexbuf[k] = 0;
+		printf("%s%s  %s%s", prefix, hexbuf, asciibuf, suffix);
+	}
+}