void searchForComPorts()

in src/main/c/Posix/PosixHelperFunctions.c [971:1064]
63 lines of code
13 McCabe index (conditional complexity)

void searchForComPorts(serialPortVector* comPorts)
{
	// Open the Solaris callout dev directory
	DIR *directoryIterator = opendir("/dev/cua/");
	if (directoryIterator)
	{
		// Read all files in the current directory
		struct dirent *directoryEntry = readdir(directoryIterator);
		while (directoryEntry)
		{
			// See if the file names a potential serial port
			if ((strlen(directoryEntry->d_name) >= 1) && (directoryEntry->d_name[0] != '.'))
			{
				// Determine system name of port
				char* systemName = (char*)malloc(256);
				strcpy(systemName, "/dev/cua/");
				strcat(systemName, directoryEntry->d_name);

				// Check if port is already enumerated
				serialPort *port = fetchPort(comPorts, systemName);
				if (port)
					port->enumerated = 1;
				else
				{
					// Set static friendly name
					char* friendlyName = (char*)malloc(256);
					strcpy(friendlyName, "Serial Port");

					// Add the port to the list if it is not a directory
					struct stat fileStats;
					stat(systemName, &fileStats);
					if (!S_ISDIR(fileStats.st_mode))
						pushBack(comPorts, systemName, friendlyName, friendlyName, "0-0", "Unknown", "Unknown", "Unknown", -1, -1, S_ISLNK(fileStats.st_mode));

					// Clean up memory
					free(friendlyName);
				}

				// Clean up memory
				free(systemName);
			}
			directoryEntry = readdir(directoryIterator);
		}

		// Close the directory
		closedir(directoryIterator);
	}

	// Open the Solaris dial-in dev directory
	directoryIterator = opendir("/dev/term/");
	if (directoryIterator)
	{
		// Read all files in the current directory
		struct dirent *directoryEntry = readdir(directoryIterator);
		while (directoryEntry)
		{
			// See if the file names a potential serial port
			if ((strlen(directoryEntry->d_name) >= 1) && (directoryEntry->d_name[0] != '.'))
			{
				// Determine system name of port
				char* systemName = (char*)malloc(256);
				strcpy(systemName, "/dev/term/");
				strcat(systemName, directoryEntry->d_name);

				// Check if port is already enumerated
				serialPort *port = fetchPort(comPorts, systemName);
				if (port)
					port->enumerated = 1;
				else
				{
					// Set static friendly name
					char* friendlyName = (char*)malloc(256);
					strcpy(friendlyName, "Serial Port (Dial-In)");

					// Add the port to the list if the file is not a directory
					struct stat fileStats;
					stat(systemName, &fileStats);
					if (!S_ISDIR(fileStats.st_mode))
						pushBack(comPorts, systemName, friendlyName, friendlyName, "0-0", "Unknown", "Unknown", "Unknown", -1, -1, S_ISLNK(fileStats.st_mode));

					// Clean up memory
					free(friendlyName);
				}

				// Clean up memory
				free(systemName);
			}
			directoryEntry = readdir(directoryIterator);
		}

		// Close the directory
		closedir(directoryIterator);
	}
}