Added some comments to the code

commands/change_dir.c

@@ -9,12 +9,12 @@
 void changeCurrentWorkDir(char *arg[]){
 	DIR *d;
 	struct dirent *dir;
-	d = opendir(arg[1]);
+	d = opendir(arg[1]); //Try to open directory
-	if(d == NULL){
+	if(d == NULL){ //Check if directory exists
 		printf("Folder not found.\n");
 		return;
 	} else {
-		chdir(arg[1]);
+		chdir(arg[1]); //If directory exists, change workpath
 	}
-	closedir(d);
+	closedir(d); //Close directory
 }

commands/help.c

@@ -3,6 +3,7 @@
 
 #include "help.h"
 
+//Print the help
 void outputHelp(){
 	printf("usage: netbenixCMD [option]\n");
 	printf("Options:\n");

commands/show_dir.c

@@ -27,12 +27,12 @@ void showDirectory(char *arg[]){
 	struct dirent *dir;
 	char path[PATH_MAX];
 	
-	d = opendir(arg[1]);
+	d = opendir(arg[1]); //Try to open directory
-	if(d == NULL){
+	if(d == NULL){ //Check if directory exists
 		printf("Folder not found.\n");
 		return;
 	}
-	realpath(arg[1], path);
+	realpath(arg[1], path); //Get the absolute path of the directory
 	if(d){
 		while((dir = readdir(d))){
 			if(dir->d_type == 8){	//IF IS FILE
@@ -43,6 +43,6 @@ void showDirectory(char *arg[]){
 				printf("%s\n", dir->d_name);
 			}
 		}
-		closedir(d);
+		closedir(d); //Close directory
 	}
 }

etc/logo.c

@@ -6,6 +6,7 @@ char logo_row3[59] = "| '_ \\ / _ \\ __| '_ \\ / _ \\ '_ \\| \\ \\/ / |   | |\\/
 char logo_row4[59] = "| | | |  __/ |_| |_) |  __/ | | | |>  <| |___| |  | | |_| |";
 char logo_row5[59] = "|_| |_|\\___|\\__|_.__/ \\___|_| |_|_/_/\\_\\\\____|_|  |_|____/ ";
 
+//Prints the logo
 void showLogo(){
     printf("\033[0;34m%s\033[0m\n", logo_row1);
     printf("\033[0;34m%s\033[0m\n", logo_row2);

main.c

@@ -22,11 +22,6 @@
 #define VERSION "0.2.2"
 #define AUTHOR "netbenix"
 
-void exit_app(){
-    logger("Exiting.");
-    exit(0);
-}
-
 // Color Codes:
 // Reset:       \033[0m
 // Red:         \033[0;31m
@@ -42,7 +37,12 @@ void exit_app(){
 // BoldMagenta: \033[1;35m
 // BoldCyan:    \033[1;36m
 
+void exit_app(){
+    logger("Exiting.");
+    exit(0);
+}
 
+//Handles the commands
 int commandHandler(char *cmd){
 
     char *token = strtok(cmd, " ");
@@ -61,6 +61,7 @@ int commandHandler(char *cmd){
     p[strlen(p)-1] = 0;
     arg[i] = p;
 
+    //Start to compare the command
     if(!strcmp(arg[0], "list")){ 
         printf("\033[1;34mcd\033[0m      :   change directory\n");
         printf("\033[1;34mdir\033[0m     :   show contents of directory\n");
@@ -89,7 +90,7 @@ int commandHandler(char *cmd){
     }
 }
 
-
+//Action starts here
 int main(int argc, char *argv[]){
     char buffer[1024];
     extern char loggerDirPath[PATH_MAX];
@@ -98,15 +99,16 @@ int main(int argc, char *argv[]){
     snprintf(buffer, sizeof(buffer), "Starting netbenixCMD (Version: %s)", VERSION);
     logger(buffer);
     log_Specs(); //Log system specs
-    showLogo(); //Show the Logo
+    showLogo(); //Show the logo
     logger("Logo Displayed.");
-    checkForUpdate(VERSION); //Check for Update
+    checkForUpdate(VERSION); //Check for newer version of client
     if(argc > 2){
         printf("Too many arguments. Please use --help for more information.\n");
         snprintf(buffer, sizeof(buffer), "[ERROR] Too many arguments. Argument count: %i", argc-1);
         logger(buffer);
     }
 
+    //Check the startup args
     if(argc == 2){
     if(!strcmp(argv[1], "--help")){
         logger("Showing Help.");
@@ -127,6 +129,7 @@ int main(int argc, char *argv[]){
     }
     }
 
+    //If no startup arg is given, start command handler
     if(argc == 1){
         int exit = 0;
         char cmd[128];

utils/gtk_test.c

@@ -13,24 +13,26 @@
 
 void createGTKTestWindow(){
 
-	gtk_init(0, NULL);
+	gtk_init(0, NULL); //Init
 
-	builder = gtk_builder_new_from_file("glade/test_window.glade");
+	builder = gtk_builder_new_from_file("glade/test_window.glade"); //Set builder
-	window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
+	window = GTK_WIDGET(gtk_builder_get_object(builder, "window")); //Tell the window what to build
-	g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
+	g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL); //Connect destroy signal
-	gtk_builder_connect_signals(builder, NULL);
+	gtk_builder_connect_signals(builder, NULL); //Connect the signals to builder
 
+	//Init the widgets
 	fixed1 = GTK_WIDGET(gtk_builder_get_object(builder, "fixed1"));
 	button1 = GTK_WIDGET(gtk_builder_get_object(builder, "button1"));
 	label = GTK_WIDGET(gtk_builder_get_object(builder, "label"));
 	check = GTK_WIDGET(gtk_builder_get_object(builder, "check"));
 	level = GTK_WIDGET(gtk_builder_get_object(builder, "level"));
 
-	gtk_widget_show(window);
+	gtk_widget_show(window); //Show the widgets
-	gtk_main();
+	gtk_main(); //Create window
 	logger("[GTK] Window closed.");
 }
 
+//Set the level of the bar
 void setBarLevel(){
 	if(gtk_level_bar_get_value(GTK_LEVEL_BAR(level)) == 100){
 		gtk_label_set_text(GTK_LABEL(label), (const gchar*) "LEVEL UP!");
@@ -45,6 +47,7 @@ void setBarLevel(){
 	}
 }
 
+//Button event
 void on_button1_clicked(GtkButton *b){
 	gtk_label_set_text(GTK_LABEL(label), (const gchar*) "DO NOT PUSH THE BUUUTTTON");
 	logger("[GTK] Button 'button1' clicked.");
@@ -61,11 +64,13 @@ void on_gay_check_toggled(GtkToggleButton *t){
 	}
 }
 
+//Window-focus-loss event
 void on_window_focus_out_event(GtkWindow *w){
 	gtk_label_set_text(GTK_LABEL(label), (const gchar*) "HEY! COME BACK!");
 	logger("[GTK] Window focus lost.");
 }
 
+//Windows-focus-regain event
 void on_window_focus_in_event(GtkWindow *w){
 	gtk_label_set_text(GTK_LABEL(label), (const gchar*) "Welcome Back!");
 	logger("[GTK] Window regained focus.");

utils/logger.c

@@ -6,6 +6,7 @@
 
 char loggerDirPath[PATH_MAX];
 
+//Logs given message into output.log
 void logger(char message[512]){
 	FILE *log_file;
 	time_t t = time(NULL);

utils/sql_test.c

@@ -9,8 +9,8 @@
 
 void testSQLConnection(){
 
-	MYSQL *sql;
+	MYSQL *sql; //SQL connection
-	sql = mysql_init(NULL);
+	sql = mysql_init(NULL); //Init connection
 	char hostname[200];
 	unsigned int port;
 	char user[200];
@@ -28,17 +28,18 @@ void testSQLConnection(){
 	scanf("%s", &user);
 	password = getpass("Password: ");
 
+	//Try to connect with given data
 	if(mysql_real_connect(sql, hostname, user, password, database, 33000, NULL, 0) == NULL){
 		fprintf (stderr, "ERROR: mysql_real_connect():"
-        "%u (%s)\n",mysql_errno (sql), mysql_error (sql));
+        "%u (%s)\n",mysql_errno (sql), mysql_error (sql)); //On Error, print it
 		char buffer[1024];
 		snprintf(buffer, sizeof(buffer), "[ERROR] mysql_read_connect(): %u (%s)\n", mysql_errno(sql), mysql_error(sql));
 		logger(buffer);
-		mysql_close(sql);
+		mysql_close(sql); //Close connection
 	} else {
 		printf("Successfully connected to: %s", hostname);
 		logger("SQL Test Successful.");
 	}
 
-	mysql_close(sql);
+	mysql_close(sql); //Close connection
 }

utils/update_check.c

@@ -10,41 +10,42 @@ int checkForUpdate(char ver[10]){
     struct sockaddr_in server;
     char server_reply[2000];
 
-    //Create Socket
+    //Create socket
     sock = socket(AF_INET, SOCK_STREAM, 0);
     if( sock == -1){
         printf("Error while creating socket.");
         logger("Error while creating socket");
     }
     
-    server.sin_addr.s_addr = inet_addr("127.0.0.1");
+    server.sin_addr.s_addr = inet_addr("127.0.0.1"); //Set the IP address of the server
     server.sin_family = AF_INET;
-    server.sin_port = htons( 34000 );
+    server.sin_port = htons( 34000 ); //Set the server port
 
-    //Connect to Server
+    //Connect to server
     if(connect(sock, (struct sockaddr *)&server, sizeof(server)) < 0){
         perror("Error. Connnection to update server failed.");
         logger("[ERROR] Connection to update server failed.");
         return 1;
     }
-
+    //Send message
-        if( send(sock, ver, strlen(ver), 0) < 0){
+    if( send(sock, ver, strlen(ver), 0) < 0){
         puts("Error while communicating with server.");
         logger("[ERROR] Send to server failed.");
     }
-
+    //Receive response
     if( recv(sock, server_reply, 2000, 0) < 0){
         puts("Error while communicating with server.");
         logger("[ERROR] Receive from server failed.");
     }
+    //Say that client outdated
     if(!strcmp(server_reply, "VERSION_OUTDATED")){
         printf("\033[0;31mYour client is outdated. Please update your client.\033[0m\n");
         logger("[WARNING] Client is outdated.");
     }
-
+    //Say that client is up-to-date
     if(!strcmp(server_reply, "VERSION_OK")){
         logger("[INFO] Client is up-to-date.");
     }
-    close(sock);
+    close(sock); //Close the socket
     return 0;
 }