fix a few memleaks

- delete [] must be used when mem is allocated with new []

config.cpp

@@ -141,6 +141,7 @@ bool Config::parseFile(const char* name)
 
 	if (!(fz = fopen(name, "r"))) {
 		LogSystem::log(LOG_ERROR, "config_parse(): can not open %s", name);
+		delete [] row;
 		return false;
 	}
 
@@ -179,7 +180,7 @@ bool Config::parseFile(const char* name)
 	}
 
 	fclose(fz);
-	delete row;
+	delete [] row;
 
 	return ret;
 }

logging.cpp

@@ -7,18 +7,13 @@
 
 #include "logging.h"
 
-/* we need this for packet dumps! */
-#define BUFLEN 8192
-
-LogSystem::LogSystem() : output(0), priority(0)
+LogSystem::LogSystem()
+: output(0), priority(0)
 {
-	buffer = new char[BUFLEN];
 }
 
 LogSystem::~LogSystem()
 {
-	delete buffer;
-
 	if (output)
 		delete output;
 }
@@ -76,13 +71,13 @@ void LogSystem::log(int prio, const char* fmt, ...)
 	int len;
 
 	va_start(az, fmt);
-	len = vsnprintf(ls->buffer, BUFLEN, fmt, az);
+	len = vsnprintf(ls->buffer, sizeof(ls->buffer), fmt, az);
 	va_end(az);
 
 	if (errno) {
-		strncpy(ls->buffer + len, ": ", BUFLEN - len);
+		strncpy(ls->buffer + len, ": ", sizeof(ls->buffer) - len);
 		len += 2;
-		strncpy(ls->buffer + len, strerror(errno), BUFLEN - len);
+		strncpy(ls->buffer + len, strerror(errno), sizeof(ls->buffer) - len);
 
 		errno = 0;
 	}

logging.h

@@ -42,7 +42,7 @@ private:
 
 	LogOutput *output;
 	int priority;
-	char* buffer;
+	char buffer[8192];	// we need this for (large) packet dumps!
 };
 
 class StdErrLog : public LogOutput {

multisock.cpp

@@ -28,7 +28,7 @@ MultiSock::MultiSock(Config& conf)
 	FILE* fp = fopen(DEVFILE, "r");
 	if (fp == NULL) {
 		LogSystem::log(LOG_CRIT, "MultiSock(): can not open " DEVFILE);
-		free(buf);
+		delete [] buf;
 		return;
 	}
 
@@ -66,7 +66,7 @@ MultiSock::MultiSock(Config& conf)
 	delete it;
 
 	fclose(fp);
-	delete buf;
+	delete [] buf;
 
 	if (ifaceList.isEmpty())
 		LogSystem::log(LOG_CRIT, "No useable Interfaces found!");

netpkt.cpp

@@ -33,7 +33,7 @@ NetPkt::NetPkt(int alloc)
 NetPkt::~NetPkt()
 {
 	if (alloc > 0)
-		delete data;
+		delete [] data;
 }
 
 int NetPkt::show(char* buf, int size)
@@ -170,7 +170,7 @@ void NetPkt::merge(NetPkt* pkt)
 	memcpy(new_data, data, size);
 
 	if (alloc)
-		delete data;
+		delete [] data;
 
 	data = new_data;
 	alloc = new_alloc;