compiler warnings

src/lib/utils/rotatefile.cpp

@@ -67,7 +67,6 @@ void RotateFile::write(unsigned char* value, unsigned int size, bool received)
 		struct tm* tm;
 		clockGettime(&ts);
 		tm = localtime(&ts.tv_sec);
-		char* buf;
 		fprintf(m_stream, "%04d-%02d-%02d %02d:%02d:%02d.%03ld %c",
 			tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
 			tm->tm_hour, tm->tm_min, tm->tm_sec, ts.tv_nsec/1000000,

src/lib/utils/rotatefile.h

@@ -41,7 +41,7 @@ public:
 	 * @param maxSize the maximum size of the file to write to.
 	 * @param textMode whether to write each byte with prefixed timestamp and direction as text.
 	 */
-	RotateFile(const string fileName, const long maxSize, const bool textMode=false)
+	RotateFile(const string fileName, const unsigned long maxSize, const bool textMode=false)
 		: m_enabled(false), m_fileName(fileName), m_maxSize(maxSize), m_textMode(textMode), m_stream(), m_fileSize(0) {}
 
 	/**
@@ -78,7 +78,7 @@ private:
 	const string m_fileName;
 
 	/** the maximum size of @a m_file, or 0 for infinite. */
-	const long m_maxSize;
+	const unsigned long m_maxSize;
 
 	/** whether to write each byte with prefixed timestamp and direction as text. */
 	const bool m_textMode;