- final touch to writing mechanism of the config system

  - tmw now can read and write its ini file
  - some fixes in login.cpp to get it to work properly
  - Init method -> init
  - Write method -> write
- minor code "beautification" in several files

7 files changed, 239 insertions, 227 deletions

diff --git a/src/configuration.cpp b/src/configuration.cpp
index dc6aa448..06296bf1 100644
--- a/src/configuration.cpp
+++ b/src/configuration.cpp
@@ -26,8 +26,8 @@
     \brief read INI file and parse all options into memory
     \param filename full path to INI file (~/.manaworld/tmw.ini)
 */
-void Configuration::Init(std::string filename) {
-    inFile.open(filename.c_str(), std::ifstream::in);
+void Configuration::init(std::string filename) {
+    std::ifstream inFile(filename.c_str(), std::ifstream::in);
     std::string inBuffer;
     int position;
     INI_OPTION optionTmp;
@@ -54,12 +54,12 @@ void Configuration::Init(std::string filename) {
     #ifdef __DEBUG
         for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
             optionTmp = *iter;
-            std::cout << "Configuration::Init(" << optionTmp.key << ", \"" << optionTmp.stringValue << "\" / " << optionTmp.numericValue << ")\n";
+            std::cout << "Configuration::init(" << optionTmp.key << ", \"" << optionTmp.stringValue << "\" / " << optionTmp.numericValue << ")\n";
         }
     #endif
 }
 
-bool Configuration::Write(std::string filename) {
+bool Configuration::write(std::string filename) {
     std::ofstream out(filename.c_str(), std::ofstream::out | std::ofstream::trunc);
     char tmp[20];
 
@@ -76,7 +76,7 @@ bool Configuration::Write(std::string filename) {
             out.write(tmp, strlen(tmp));
             strcpy(tmp, "");
         }
-
+        std::cout << "Configuration::write(" << optionTmp.key << ", \"" << optionTmp.stringValue << "\" / " << optionTmp.numericValue << ")\n";
         out.write("\n", 1);
     }
 
@@ -85,32 +85,49 @@ bool Configuration::Write(std::string filename) {
 }
 
 void Configuration::setValue(std::string key, std::string value) {
-    if(getValue(key, value) == value) {
+    INI_OPTION optionTmp;
+    if(getValue(key, "") == "") {
         #ifdef __DEBUG
-            std::cout << "Configuration::setValue(" << key << ", \"" << value << "\")\n";
+            std::cout << "Configuration::setValue(" << key << ", \"" << value << "\") newly set\n";
         #endif
-        INI_OPTION optionTmp;
-
         optionTmp.key = key;
         optionTmp.stringValue = value;
         optionTmp.numericValue = 0;
 
         iniOptions.push_back(optionTmp);
+    } else {
+        for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
+            if(iter->key == key) {
+                #ifdef __DEBUG
+                    std::cout << "Configuration::setValue(" << key << ", \"" << value << "\") reset\n";
+                #endif
+                iter->stringValue = value;
+                iter->numericValue = 0;
+            }
+        }
     }
 }
 
 void Configuration::setValue(std::string key, float value) {
-    if(getValue(key, value) == value) {
+    INI_OPTION optionTmp;
+    if(getValue(key, 0) == 0) {
         #ifdef __DEBUG
-            std::cout << "Configuration::setValue(" << key << ", " << value << ")\n";
+            std::cout << "Configuration::setValue(" << key << ", " << value << ") newly set\n";
         #endif
-
-        INI_OPTION optionTmp;
-
         optionTmp.key = key;
         optionTmp.numericValue = value;
 
         iniOptions.push_back(optionTmp);
+    } else {
+        for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
+            if(iter->key == key) {
+                #ifdef __DEBUG
+                    std::cout << "Configuration::setValue(" << key << ", " << value << ") reset\n";
+                #endif
+                iter->stringValue = "";
+                iter->numericValue = value;
+            }
+        }
     }
 }
 
@@ -120,11 +137,9 @@ void Configuration::setValue(std::string key, float value) {
     \param deflt default option if not there or error
 */
 std::string Configuration::getValue(std::string key, std::string deflt) {
-    INI_OPTION optionTmp;
     for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
-        optionTmp = *iter;
-        if(optionTmp.key == key)
-            return optionTmp.stringValue;
+        if(iter->key == key)
+            return iter->stringValue;
     }
 
     return deflt;
@@ -136,11 +151,9 @@ std::string Configuration::getValue(std::string key, std::string deflt) {
     \param deflt default option if not there or error
 */
 float Configuration::getValue(std::string key, float deflt) {
-    INI_OPTION optionTmp;
     for (iter = iniOptions.begin(); iter != iniOptions.end(); iter++) {
-        optionTmp = *iter;
-        if(optionTmp.key == key)
-            return optionTmp.numericValue;
+        if(iter->key == key)
+            return iter->numericValue;
     }
 
     return deflt;
diff --git a/src/configuration.h b/src/configuration.h
index 2bd8f83b..db99007c 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -37,9 +37,9 @@
  */
 class Configuration {
     public:
-        void Init(std::string);
+        void init(std::string);
 
-        bool Write(std::string);
+        bool write(std::string);
 
         void        setValue(std::string, std::string);
         void        setValue(std::string, float);
@@ -47,7 +47,6 @@ class Configuration {
         std::string getValue(std::string, std::string);
         float       getValue(std::string, float);
     private:
-        std::ifstream inFile;
 
         typedef struct INI_OPTION {
             std::string key;
diff --git a/src/game.cpp b/src/game.cpp
index b1449cb6..37162409 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -92,64 +92,67 @@ short get_elapsed_time(short start_time) {
 
 /** Main game loop */
 void game() {
-  status("INIT");
-  do_init();
-	init_graphic();
-  while(state!=EXIT) {
-    status("INPUT");
-    do_input();
-    status("GRAPHIC");
-    do_graphic();
-    status("PARSE");
-    do_parse();
-    status("FLUSH");
-    flush();
-
-    //rest(1); // This one should work only in Win32
-  }
+    status("INIT");
+    do_init();
+    init_graphic();
+
+    while(state!=EXIT) {
+        status("INPUT");
+        do_input();
+        status("GRAPHIC");
+        do_graphic();
+        status("PARSE");
+        do_parse();
+        status("FLUSH");
+        flush();
+    }
 
-  exit_graphic();
-  close_session();
+    exit_graphic();
+    close_session();
 }
 
 /** Initialize game engine */
 void do_init() {
 
-  if(!load_map(map_path))error("Could not find map file");
-
-  sound.StartMOD("./data/sound/Mods/somemp.xm", -1);
-
-	// Initialize timers
-  tick_time = 0;
-	refresh = false;
-  LOCK_VARIABLE(tick_time);
-	LOCK_VARIABLE(refresh);
-  install_int_ex(refresh_time, MSEC_TO_TIMER(1));
-	install_int_ex(refresh_screen, /*MSEC_TO_TIMER(2000)*/BPS_TO_TIMER(200)); // Set max refresh rate to 75 fps
-	install_int_ex(second, BPS_TO_TIMER(1));
-
-  // Interrupt drawing while in background
-  #ifdef WIN32
-    set_display_switch_mode(SWITCH_AMNESIA);
-  #else
-    set_display_switch_mode(SWITCH_PAUSE);
-  #endif
-
-  // Initialize beings
-  empty();
-  player_node = new NODE();
-	player_node->id = account_ID;
-  player_node->type = ACTION_NODE;
-  set_coordinates(player_node->coordinates, x, y, 0);
-	player_node->speed = 150;
-	player_node->hair_color = char_info->hair_color;
-	player_node->hair_style = char_info->hair_style;
-	if(char_info->weapon==11)char_info->weapon = 1;
-	player_node->weapon = char_info->weapon;
-  add_node(player_node);
-	show_npc_dialog = 0;
-
-	remove("./docs/packet.list");
+    if(!load_map(map_path)) {
+        error("Could not find map file");
+    }
+
+    sound.StartMOD("./data/sound/Mods/somemp.xm", -1);
+
+    // Initialize timers
+    tick_time = 0;
+    refresh = false;
+    LOCK_VARIABLE(tick_time);
+    LOCK_VARIABLE(refresh);
+    install_int_ex(refresh_time, MSEC_TO_TIMER(1));
+    install_int_ex(refresh_screen, /*MSEC_TO_TIMER(2000)*/BPS_TO_TIMER(200)); // Set max refresh rate to 75 fps
+    install_int_ex(second, BPS_TO_TIMER(1));
+
+    // Interrupt drawing while in background
+    #ifdef WIN32
+        set_display_switch_mode(SWITCH_AMNESIA);
+    #else
+        set_display_switch_mode(SWITCH_PAUSE);
+    #endif
+
+    // Initialize beings
+    empty();
+    player_node = new NODE();
+    player_node->id = account_ID;
+    player_node->type = ACTION_NODE;
+    set_coordinates(player_node->coordinates, x, y, 0);
+    player_node->speed = 150;
+    player_node->hair_color = char_info->hair_color;
+    player_node->hair_style = char_info->hair_style;
+    if(char_info->weapon==11) {
+        char_info->weapon = 1;
+    }
+    player_node->weapon = char_info->weapon;
+    add_node(player_node);
+    show_npc_dialog = 0;
+
+    remove("./docs/packet.list");
 }
 
 /**
@@ -306,8 +309,9 @@ void do_input() {
     //}
   }
 
-  if(key[KEY_ESC])state = EXIT;
-
+    if(key[KEY_ESC]) {
+        state = EXIT;
+    }
 }
 
 /** Calculate packet length */
@@ -855,7 +859,7 @@ void do_parse() {
 				for(int i=0;i<(RFIFOW(2)-4)/20;i++)
 					inventory.add_item(RFIFOW(4+20*i), RFIFOW(6+20*i), 1);
 			break;
-				
+
         // Manage non implemented packets
         default:
           //printf("%x\n",id);
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 0c052fec..b6bfd72f 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -127,7 +127,7 @@ void loadButtonSkin() {
     int    a = 0;
     int    x,y,mode;
 
-		tokens = get_config_argv("button", "gridx", &tokenCount);
+    tokens = get_config_argv("button", "gridx", &tokenCount);
     for (a=0; a < 4; a++) {
         gridx[a] = atoi(tokens[a]);
     }
@@ -438,22 +438,22 @@ void draw_skinned_rect(BITMAP*dst, LexSkinnedRect *skin, int x, int y,int w, int
 
 
 int gui_load_skin(const char* skinname) {
-	gui__external_slider_callback = NULL;
-  push_config_state();
-  set_config_file(skinname);
-	gui_gfx = load_datafile(get_config_string("skin", "gfx", 0));
-  loadButtonSkin();
-  loadSliderSkin();
-  loadCheckboxSkin();
-  loadTextboxSkin();
-  loadListboxSkin();
-  loadDialogSkin();
-  loadBarSkin();
-  loadPlusSkin();
-  pop_config_state();
-  set_mouse_sprite((BITMAP *)gui_gfx[7].dat);
-
-  return TRUE;
+    gui__external_slider_callback = NULL;
+    push_config_state();
+    set_config_file(skinname);
+    gui_gfx = load_datafile(get_config_string("skin", "gfx", 0));
+    loadButtonSkin();
+    loadSliderSkin();
+    loadCheckboxSkin();
+    loadTextboxSkin();
+    loadListboxSkin();
+    loadDialogSkin();
+    loadBarSkin();
+    loadPlusSkin();
+    pop_config_state();
+    set_mouse_sprite((BITMAP *)gui_gfx[7].dat);
+
+    return TRUE;
 }
 
 void gui_exit() {
diff --git a/src/gui/login.cpp b/src/gui/login.cpp
index 313ea516..1645a329 100644
--- a/src/gui/login.cpp
+++ b/src/gui/login.cpp
@@ -29,7 +29,6 @@
 #include "passwordfield.h"
 #include "../graphic/graphic.h"
 
-
 LoginDialog::LoginDialog(gcn::Container *parent):
     Window(parent, "Login")
 {
@@ -49,7 +48,7 @@ LoginDialog::LoginDialog(gcn::Container *parent):
     userField->setWidth(130);
     passField->setWidth(130);
     keepCheck->setPosition(4, 52);
-    keepCheck->setMarked(get_config_int("login", "remember", 0));
+    keepCheck->setMarked(config.getValue("remember", 0));
     okButton->setPosition(120, 52);
     cancelButton->setPosition(146, 52);
 
@@ -76,9 +75,9 @@ LoginDialog::LoginDialog(gcn::Container *parent):
     userField->requestFocus();
     userField->setCaretPosition(userField->getText().length());
 
-    if (get_config_int("login", "remember", 0)) {
-        if (get_config_string("login", "username", 0)) {
-            userField->setText(get_config_string("login", "username", ""));
+    if (config.getValue("remember", 0) != 0) {
+        if (config.getValue("username", "") != "") {
+            userField->setText(config.getValue("username", ""));
             passField->requestFocus();
         }
     }
@@ -102,11 +101,12 @@ void LoginDialog::action(const std::string& eventId)
         log("Network", "Username is %s", user.c_str());
 
         // Store config settings
-        set_config_int("login", "remember", keepCheck->isMarked());
+        config.setValue("remember", keepCheck->isMarked());
         if (keepCheck->isMarked()) {
-            set_config_string("login", "username", user.c_str());
+            std::cout << "blah\n";
+            config.setValue("username", user);
         } else {
-            set_config_string("login", "username", "");
+            config.setValue("username", "");
         }
 
         // Check login
diff --git a/src/main.cpp b/src/main.cpp
index a73e04a8..8721da19 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -88,6 +88,7 @@ unsigned short x, y;
 unsigned char direction;
 //unsigned short job, hair, hair_color;
 unsigned char stretch_mode, screen_mode;
+char *dir;
 
 // new sound-engine /- kth5
 TmwSound sound;
@@ -125,7 +126,7 @@ void init_engine() {
     init_log();
     set_close_button_callback(request_exit);
 
-    char *dir = new char[400];
+    dir = new char[400];
     strcpy(dir, "");
 
     #ifndef __USE_UNIX98
@@ -200,20 +201,17 @@ void init_engine() {
             config.setValue("remember", 1);
             config.setValue("username", "Player");
 
-            config.Write(dir);
+            config.write(dir);
         }
     }
 
-    //set_config_file(dir);
-    config.Init(dir);
+    config.init(dir);
     #ifdef WIN32
         if(code) {
             set_config_string("system", "keyboard", code);
         }
     #endif
 
-    delete dir; dir = 0;
-
     // set_config_file("tmw.ini");
     #ifdef MACOSX
         set_color_depth(32);
@@ -269,6 +267,8 @@ void init_engine() {
 
 /** Clear the engine */
 void exit_engine() {
+    config.write(dir);
+    delete dir;
     gui_exit();
     destroy_bitmap(buffer);
     allegro_exit();
@@ -276,49 +276,45 @@ void exit_engine() {
 
 /** Main */
 int main() {
-     init_engine();
-     // initialize sound-engine and start playing intro-theme /-kth5
-     try{
-          if(config.getValue("sound", 0)==1)
-          sound.Init(32,20);                          // inits the sound-subsystem w/ 32 voices / 20 for mod
-          sound.SetVol(128,128,128);                    // sets intial volume parameters
-          //#ifdef WIN32
-               //sound.StartMIDI("Sound/Midis/city.mid",-1);   // play a midi file
-          //#endif
-          //sound.LoadItem("test.wav", TMWSOUND_SFX);
-     }catch(const char * err){                       // catch errors and show appropriate messages on-screen (elven plz... ^^)
-          ok("Sound Engine", err);
-          warning(err);
-     }
-
-  while(state!=EXIT) {
-    switch(state) {
-      case LOGIN:
-        status("LOGIN");
-        login();
-        break;
-      case CHAR_SERVER:
-        status("CHAR_SERVER");
-        char_server();
-        break;
-      case CHAR_SELECT:
-        status("CHAR_SELECT");
-        charSelect();
-        break;
-      case GAME:
-        sound.StopBGM();
-        status("GAME");
-        map_start();
-        if( state==GAME )
-          game();
-        break;
-      default:
-        state = EXIT;
-        break;
+    init_engine();
+    // initialize sound-engine and start playing intro-theme /-kth5
+    try{
+         if(config.getValue("sound", 0)==1)
+         sound.Init(32,20);
+         sound.SetVol(128,128,128);
+    }catch(const char * err){
+         ok("Sound Engine", err);
+         warning(err);
+    }
+
+    while(state!=EXIT) {
+        switch(state) {
+        case LOGIN:
+            status("LOGIN");
+            login();
+            break;
+        case CHAR_SERVER:
+            status("CHAR_SERVER");
+            char_server();
+            break;
+        case CHAR_SELECT:
+            status("CHAR_SELECT");
+            charSelect();
+            break;
+        case GAME:
+            sound.StopBGM();
+            status("GAME");
+            map_start();
+            if( state==GAME )
+            game();
+            break;
+        default:
+            state = EXIT;
+            break;
+        }
     }
-  }
-  status("EXIT");
-  exit_engine();
-  return 0;
+    status("EXIT");
+    exit_engine();
+    return 0;
 }
 END_OF_MAIN();
diff --git a/src/net/network.cpp b/src/net/network.cpp
index b030d92d..993abbc7 100644
--- a/src/net/network.cpp
+++ b/src/net/network.cpp
@@ -41,82 +41,86 @@ fd_set write_socket;
 
 /** Increase size of written data */
 void WFIFOSET(int len) {
-	if(out_size+len>=buffer_size)
-		warning("Output buffer full");
-	else out_size+=len;
+    if(out_size+len>=buffer_size)
+        warning("Output buffer full");
+    else out_size+=len;
 }
 
 /** Convert an address from int format to string */
 char *iptostring(int address) {
-	short temp1, temp2;
-        static char asciiIP[16];
+    short temp1, temp2;
+    static char asciiIP[16];
 
-	temp1 = LOWORD(address);
-	temp2 = HIWORD(address);
-	sprintf(asciiIP, "%i.%i.%i.%i", LOBYTE(temp1), HIBYTE(temp1), LOBYTE(temp2), HIBYTE(temp2));
-	return asciiIP;
+    temp1 = LOWORD(address);
+    temp2 = HIWORD(address);
+    sprintf(asciiIP, "%i.%i.%i.%i", LOBYTE(temp1), HIBYTE(temp1), LOBYTE(temp2), HIBYTE(temp2));
+    return asciiIP;
 }
 
 /** Open a session with a server */
 SOCKET open_session(const char* address, short port) {
-	#ifdef WIN32
-	WSADATA wsda;
-	#endif
-	struct hostent *server;
-	int ret;
-
-	// Init WinSock and connect the socket
-	#ifdef WIN32
-	WSAStartup(MAKEWORD(2,0), &wsda);
-	#endif
-
-	sock = socket(PF_INET, SOCK_STREAM, 0); // Create socket for current session
-	if(sock==SOCKET_ERROR)return SOCKET_ERROR;
-
-	addr.sin_family = AF_INET;
-	addr.sin_port = htons(port);
-	addr.sin_addr.s_addr = inet_addr(address);
-	if(addr.sin_addr.s_addr == INADDR_NONE){
-		server = NULL;
-		server = gethostbyname(address);
-		if(server == NULL)return SOCKET_ERROR;
-			memcpy(&addr.sin_addr, server->h_addr_list[0], server->h_length);
-	}
-
-	ret = connect(sock, (struct sockaddr *) &addr, sizeof(addr));
-	if(ret == SOCKET_ERROR)return SOCKET_ERROR;
-
-	// Init buffers
-	in = (char *)malloc(buffer_size);
-	out = (char *)malloc(buffer_size);
-	memset(in, '\0', buffer_size);
-	memset(out, '\0', buffer_size);
-	in_size = 0;
-	out_size = 0;
-	FD_CLR(sock, &read_socket);
-	FD_CLR(sock, &write_socket);
-
-	return sock;	
+    #ifdef WIN32
+    WSADATA wsda;
+    #endif
+    struct hostent *server;
+    int ret;
+
+    // Init WinSock and connect the socket
+    #ifdef WIN32
+    WSAStartup(MAKEWORD(2,0), &wsda);
+    #endif
+
+    sock = socket(PF_INET, SOCK_STREAM, 0); // Create socket for current session
+    if(sock==SOCKET_ERROR)return SOCKET_ERROR;
+
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(port);
+    addr.sin_addr.s_addr = inet_addr(address);
+    if(addr.sin_addr.s_addr == INADDR_NONE){
+        server = NULL;
+        server = gethostbyname(address);
+        if(server == NULL)return SOCKET_ERROR;
+            memcpy(&addr.sin_addr, server->h_addr_list[0], server->h_length);
+    }
+
+    ret = connect(sock, (struct sockaddr *) &addr, sizeof(addr));
+    if(ret == SOCKET_ERROR)return SOCKET_ERROR;
+
+    // Init buffers
+    in = (char *)malloc(buffer_size);
+    out = (char *)malloc(buffer_size);
+    memset(in, '\0', buffer_size);
+    memset(out, '\0', buffer_size);
+    in_size = 0;
+    out_size = 0;
+    FD_CLR(sock, &read_socket);
+    FD_CLR(sock, &write_socket);
+
+    return sock;
 }
 
 /** Close a session */
 void close_session() {
-	FD_CLR(sock,&read_socket);
-	FD_CLR(sock,&write_socket);
-    closesocket(sock);	
-	if(in!=NULL)free(in);
-	if(out!=NULL)free(out);
-	in = NULL;
-	out = NULL;
-	in_size = 0;
-	out_size = 0;
-	WSACleanup();
+    FD_CLR(sock,&read_socket);
+    FD_CLR(sock,&write_socket);
+    closesocket(sock);
+    if(in!=NULL) {
+        free(in);
+    }
+    if(out!=NULL) {
+        free(out);
+    }
+    in = NULL;
+    out = NULL;
+    in_size = 0;
+    out_size = 0;
+    WSACleanup();
 }
 
 /** Send and receive data waiting in the buffers */
 void flush() {
     int ret = 0;
-    void *buf = out; //-kth5
+    void *buf = out;
     timeval time_out;
 
     // Init the time_out struct to 0s so it won't block
@@ -135,15 +139,11 @@ void flush() {
     // Send data if available
     if(FD_ISSET(sock, &write_socket)) {
         // While there wasn't a error or sent the whole data: handles partial packet send
-        while((ret!=SOCKET_ERROR)&&(out_size>0)) { 
+        while((ret!=SOCKET_ERROR)&&(out_size>0)) {
             ret = send(sock, (char *)buf, out_size, 0);
-						/*FILE *file = fopen("log.log","wb");
 
-						fprintf(file, "%s", out[0]);
-						fclose(file);*/
-						// If not the whole data has been sent, empty the buffer from already sent bytes
             if(ret!=SOCKET_ERROR && ret>0) {
-                buf = (char*)buf+ret; //-kth5
+                buf = (char*)buf+ret;
                 out_size -= ret;
             }
         }
@@ -151,7 +151,7 @@ void flush() {
             error("Socket Error");
 #ifdef WIN32
             log("Error", "Socket error: %i ", WSAGetLastError());
-#else 
+#else
             log("Error", "socket_error", "Undefined socket error");
 #endif
         }
@@ -159,16 +159,16 @@ void flush() {
 
     // Read data, if available
     if(FD_ISSET(sock, &read_socket)) {
-      /* There's no check for partial received packets because at this level
-         the app doesn't know packet length, but it will done when parsing received data */
-      ret = recv(sock, in+in_size, RFIFOSPACE, 0);
-      if(ret==SOCKET_ERROR) {
+        /* There's no check for partial received packets because at this level
+           the app doesn't know packet length, but it will done when parsing received data */
+        ret = recv(sock, in+in_size, RFIFOSPACE, 0);
+        if(ret==SOCKET_ERROR) {
 #ifdef WIN32
-        log("Error", "Socket error: %i ", WSAGetLastError());
-#else 
-		  log("Error", "socket_error", "Undefined socket error");
+            log("Error", "Socket error: %i ", WSAGetLastError());
+#else
+            log("Error", "socket_error", "Undefined socket error");
 #endif
-	  } else RFIFOSET(ret); // Set size of available data to read
+        } else RFIFOSET(ret); // Set size of available data to read
     }
 }