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Consolidate buffer dumping functions

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1952 42af7a65-404d-4744-a932-0658087f49c3
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patacongo 2009-06-25 19:59:04 +00:00
parent e72dce9e1b
commit 2dd2b05af7
1 changed files with 123 additions and 0 deletions
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lib/lib_dumpbuffer.c Normal file
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/****************************************************************************
* 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");
}
}