From b4da565534b3826037576a6c44e40716b024f89a Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Mon, 9 Jul 2007 19:25:42 +0000
Subject: The new logHexDump function seems to work just fine.

---
 src/logger.cpp       | 44 ++++++++++++++++++++++++++++++++++++++++++++
 src/logger.h         |  5 +++++
 src/tests/logger.cpp |  2 ++
 3 files changed, 51 insertions(+)

diff --git a/src/logger.cpp b/src/logger.cpp
index 34b5d78..1e0313b 100644
--- a/src/logger.cpp
+++ b/src/logger.cpp
@@ -129,3 +129,47 @@ void Bu::Logger::setLevel( int n )
 	}
 }
 
+void Bu::Logger::hexDump( int nLevel, const char *sFile, const char *sFunction,
+		int nLine, const void *pDataV, long nDataLen,
+		const char *lpName )
+{
+	log( nLevel, sFile, sFunction, nLine, "Displaying %ld bytes of %s.\n", nDataLen, lpName );
+	const unsigned char *pData = (const unsigned char *)pDataV;
+	int j = 0;
+	Bu::FString sBorder;
+	for( int l = 0; l < 8*3+2*8+2; l++ ) sBorder += ((l!=8*3)?("-"):("+"));
+	sBorder += '\n';
+	log( nLevel, sFile, sFunction, nLine, sBorder.getStr() );
+	Bu::FString sLine;
+	for(;;)
+	{
+		int kmax = 8;
+		if( nDataLen-j < 8 ) kmax = nDataLen-j;
+		for(int k = 0; k < 8; k++ )
+		{
+			if( k < kmax )
+			{
+				char buf[4];
+				sprintf( buf, "%02X ", (int)((unsigned char)pData[j+k]) );
+				sLine += buf;
+			}
+			else
+			{
+				sLine += "-- ";
+			}
+		}
+		sLine += "| ";
+		for(int k = 0; k < kmax; k++ )
+		{
+			char buf[3];
+			sprintf( buf, "%c ", (pData[j+k]>32 && pData[j+k]<=128)?(pData[j+k]):('.') );
+			sLine += buf;
+		}
+		sLine += '\n';
+		log( nLevel, sFile, sFunction, nLine, sLine.getStr() );
+		sLine = "";
+		j += kmax;
+		if( j >= nDataLen ) break;
+	}
+	log( nLevel, sFile, sFunction, nLine, sBorder.getStr() );
+}
diff --git a/src/logger.h b/src/logger.h
index f8e1692..f561e88 100644
--- a/src/logger.h
+++ b/src/logger.h
@@ -75,6 +75,8 @@ namespace Bu
 		void setMask( int n );
 		void setLevel( int n );
 
+		void hexDump( int nLevel, const char *sFile, const char *sFunction, int nLine, const void *pData, long nDataLen, const char *lpName );
+
 	private:
 		Bu::FString sLogFormat;
 		int nLevelMask;
@@ -89,6 +91,9 @@ namespace Bu
 #define lineLog( nLevel, sFrmt, ...) \
 	Bu::Logger::getInstance().log( nLevel, __FILE__, __PRETTY_FUNCTION__, __LINE__, sFrmt, ##__VA_ARGS__ ) 
 
+#define logHexDump( nLevel, pData, iSize, sName ) \
+	Bu::Logger::getInstance().hexDump( nLevel, __FILE__, __PRETTY_FUNCTION__, __LINE__, pData, iSize, sName ) 
+
 /**
  * Set the Bu::Logger logging mask directly.  See Bu::Logger::setMask for
  * details.
diff --git a/src/tests/logger.cpp b/src/tests/logger.cpp
index 290f479..59be9d4 100644
--- a/src/tests/logger.cpp
+++ b/src/tests/logger.cpp
@@ -22,6 +22,8 @@ int main()
 	setLogFormat("%L: %y-%02m-%02d %h:%02M:%02s %f:%l:%F: %t");
 	lineLog( 5, "Hey, error: %s", strerror( errno ) );
 
+	logHexDump( 5, "This is a test of the hex-dump facility", 16, "Random stuff");
+
 	Thing gh;
 	gh.go( 6);
 }
-- 
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