From 2dd2b05af7c5a49bbbbb12fb59fae10162e8d6c3 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Thu, 25 Jun 2009 19:59:04 +0000
Subject: [PATCH] Consolidate buffer dumping functions

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1952 42af7a65-404d-4744-a932-0658087f49c3
---
 lib/lib_dumpbuffer.c | 123 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 lib/lib_dumpbuffer.c

diff --git a/lib/lib_dumpbuffer.c b/lib/lib_dumpbuffer.c
new file mode 100644
index 0000000000..b11ebbedc7
--- /dev/null
+++ b/lib/lib_dumpbuffer.c
@@ -0,0 +1,123 @@
+/****************************************************************************
+ * lib/lib_dumpbuffer.c
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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 NuttX 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 OWNER 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Compilation Switches
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+#include <debug.h>
+
+/****************************************************************************
+ * Pre-processor definitions
+ ****************************************************************************/
+
+/* Select the lowest level debug interface available */
+
+# ifdef CONFIG_ARCH_LOWPUTC
+#  define message(format, arg...) lib_lowprintf(format, ##arg)
+#else
+#  define message(format, arg...) lib_rawprintf(format, ##arg)
+# endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: lib_dumpbuffer
+ *
+ * Description:
+ *  Do a pretty buffer dump
+ *
+ ****************************************************************************/
+
+int lib_dumpbuffer(FAR const char *msg, FAR const ubyte *buffer, unsigned int buflen)
+{
+  int i, j, k;
+
+  message("%s (%p):\n", msg, buffer);
+  for (i = 0; i < buflen; i += 32)
+    {
+      message("%04x: ", i);
+      for (j = 0; j < 32; j++)
+        {
+          k = i + j;
+
+          if (j == 16)
+            {
+              message(" ");
+            }
+
+          if (k < buflen)
+            {
+              message("%02x", buffer[k]);
+            }
+          else
+            {
+              message("  ");
+            }
+        }
+
+      message(" ");
+      for (j = 0; j < 32; j++)
+        {
+         k = i + j;
+
+          if (j == 16)
+            {
+              message(" ");
+            }
+
+          if (k < buflen)
+            {
+              if (buffer[k] >= 0x20 && buffer[k] < 0x7f)
+                {
+                  message("%c", buffer[k]);
+                }
+              else
+                {
+                  message(".");
+                }
+            }
+        }
+      message("\n");
+   }
+}