Function AddLogText

src/drivers/win/log.cpp:149–242

* Adds a textual log message to the message buffer. * * @param text Message to add. * @param add_newline Either DO_ADD_NEWLINE or DONT_ADD_NEWLINE **/

* @param add_newline Either DO_ADD_NEWLINE or DONT_ADD_NEWLINE
**/
void AddLogText(const char *text, unsigned int add_newline)
{
	// pass log to debugger as well
	OutputDebugString(text);
	if (add_newline) OutputDebugString("\n");

	// Used to count the number of new line characters in text
	int number_of_newlines;

	// Used to iterate over the text
	const char *text_iterator_c;

	// Used to iterate over the message log created in this function
	char* msg_iterator;

	// Free a log message if more messages than necessary were logged.
	if(logcount >= MAXIMUM_NUMBER_OF_LOGS)
	{
		free(logtext[truncated_logcount()]);
	}

	number_of_newlines = 0;
	text_iterator_c = text;

	// Count the number of \n characters in the text
	while(*text_iterator_c)
	{
		if(*text_iterator_c == '\n')
		{
			number_of_newlines++;
		}

		text_iterator_c++;
	}

	unsigned int necessary_size = strlen(text) // len(text)
		+ 1 // 0-byte
		+ number_of_newlines // Space for additional \r characters
		+ 2 * add_newline; // \r\n if a newline was requested

	//mbg merge 7/17/06 added cast
	logtext[truncated_logcount()] = (char*)malloc(necessary_size);

	// Apparently there's no memory left.
	if(!logtext[truncated_logcount()])
	{
		return;
	}

	msg_iterator = logtext[truncated_logcount()];

	// Copy the characters from text to the allocated buffer
	while(*text)
	{
		// Replace \n with \r\n
		if(*text == '\n')
		{
			*msg_iterator='\r';