Fixed some documentation, added some things to sockets, "Fixed" the ROMFS

The romfs is still not working, but it works better.

Makefile

@@ -51,6 +51,9 @@ CFLAGS	:=	-g -Wall -O2 -mword-relocations -std=gnu11 \
 			$(ARCH)
 
 CFLAGS	+=	$(INCLUDE) -DARM11 -D_3DS -DCTR_VERSION=\"$(APP_VERSION)\" -DCTR_BUILD=\"$(LASTCOMMIT)\"
+ifneq ($(ROMFS),)
+	CFLAGS += -DROMFS
+endif
 
 CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
 
@@ -132,7 +135,6 @@ endif
 
 ifneq ($(ROMFS),)
 	export _3DSXFLAGS += --romfs=$(CURDIR)/$(ROMFS)
-	CFLAGS += -DROMFS
 endif
 
 .PHONY: $(BUILD) clean all

sdcard/3ds/ctruLua/examples/qtm/qtm.lua

@@ -25,12 +25,12 @@ while ctr.run() do
 	local keys = hid.keys()
 	if keys.down.start then break end
 	
-	local infos = qtm.getHeadTrackingInfo()
+	local infos = qtm.getHeadtrackingInfo()
 	
 	gfx.start(gfx.TOP)
 		if infos:checkHeadFullyDetected() then
 			for i=1, 4 do
-				gfx.point(infos:convertCoordToScreen(1, 400, 240))
+				gfx.point(infos:convertCoordToScreen(i, 400, 240))
 			end
 		end
 	gfx.stop()

source/cfgu.c

@@ -109,9 +109,13 @@ static int cfgu_getUsername(lua_State *L) {
 	
 	CFGU_GetConfigInfoBlk2(0x1C, 0xA0000, (u8*)block);
 	u8 *name = malloc(0x14);
-	utf16_to_utf8(name, block, 0x14);
+	ssize_t len = utf16_to_utf8(name, block, 0x14);
+	if (len < 0) {
+		lua_pushstring(L, "");
+		return 1;
+	}
 	
-	lua_pushlstring(L, (const char *)name, 0x14); // The username is only 0x14 characters long.
+	lua_pushlstring(L, (const char *)name, len); // The username is only 0x14 characters long.
 	return 1;
 }
 

source/ctr.c

@@ -215,7 +215,8 @@ int luaopen_ctr_lib(lua_State *L) {
 	@field root
 	*/
 	#ifdef ROMFS
-	char* buff = "romfs:";
+	char* buff = "romfs:/";
+	chdir(buff);
 	#else
 	char* buff = malloc(1024);
 	getcwd(buff, 1024);

source/fs.c

@@ -239,3 +239,4 @@ void unload_fs_lib(lua_State *L) {
 
 	fsExit();
 }
+

source/gfx.c

@@ -525,12 +525,17 @@ static int gfx_target___index(lua_State *L) {
 	return 1;
 }
 
+/***
+Console
+@section console
+*/
+
 /***
 Initialize the console. You can print on it using print(), or any function that normally outputs to stdout.
 Warning: you can't use a screen for both a console and drawing, you have to disable the console first.
 @function console
 @tparam[opt=gfx.TOP] number screen screen to draw the console on.
-@tparam[opt=true] boolean debug enable stderr output on the console
+@tparam[opt=false] boolean debug enable stderr output on the console
 */
 u8 consoleScreen = GFX_TOP;
 static int gfx_console(lua_State *L) {

source/main.c

@@ -36,7 +36,23 @@ void error(const char *error) {
 // Main loop
 int main(int argc, char** argv) {
 	// Default arguments
+	#ifdef ROMFS
+	char* mainFile = "romfs:/main.lua";
+	#else
 	char* mainFile = "main.lua";
+	#endif
+	
+	// Init Lua
+	lua_State *L = luaL_newstate();
+	if (L == NULL) {
+		error("Memory allocation error while creating a new Lua state");
+		return 0;
+	}
+
+	// Load libs
+	luaL_openlibs(L);
+	load_ctr_lib(L);
+	isGfxInitialized = true;
 	
 	// Parse arguments
 	for (int i=0;i<argc;i++) {
@@ -60,18 +76,6 @@ int main(int argc, char** argv) {
 		}
 	}
 	
-	// Init Lua
-	lua_State *L = luaL_newstate();
-	if (L == NULL) {
-		error("Memory allocation error while creating a new Lua state");
-		return 0;
-	}
-
-	// Load libs
-	luaL_openlibs(L);
-	load_ctr_lib(L);
-	isGfxInitialized = true;
-
 	// Do the actual thing
 	if (luaL_dofile(L, mainFile)) error(luaL_checkstring(L, -1));
 

source/qtm.c

@@ -59,7 +59,7 @@ static int qtm_checkInitialized(lua_State *L) {
 
 /***
 Return informations about the headtracking
-@function getHeadTrackingInfo
+@function getHeadtrackingInfo
 @treturn qtmInfos QTM informations
 */
 static int qtm_getHeadtrackingInfo(lua_State *L) {

source/socket.c

@@ -1,6 +1,7 @@
 /***
 The `socket` module. Almost like luasocket, but for the TCP part only.
 The UDP part is only without connection.
+All sockets are not blocking by default.
 @module ctr.socket
 @usage local socket = require("ctr.socket")
 */
@@ -41,6 +42,9 @@ u32 rootCertChain = 0;
 Initialize the socket module
 @function init
 @tparam[opt=0x100000] number buffer size (in bytes), must be a multiple of 0x1000
+@treturn[1] boolean `true` if everything went fine
+@treturn[2] boolean `false` in case of error
+@treturn[2] number/string error code/message
 */
 static int socket_init(lua_State *L) {
 	if (!initStateSocket) {
@@ -60,7 +64,7 @@ static int socket_init(lua_State *L) {
 		
 		Result ret = socInit(mem, size);
 	
-		if (ret) {
+		if (R_FAILED(ret)) {
 			lua_pushboolean(L, false);
 			lua_pushinteger(L, ret);
 			return 2;
@@ -92,11 +96,13 @@ Disable the socket module. Must be called before exiting ctrµLua.
 @function shutdown
 */
 static int socket_shutdown(lua_State *L) {
+	if (initStateSocket) {
 		sslcDestroyRootCertChain(rootCertChain);
 		sslcExit();
 		socExit();
-	
 		initStateSocket = false;
+	}
+	
 	return 0;
 }
 
@@ -120,6 +126,7 @@ static int socket_tcp(lua_State *L) {
 	userdata->addr.sin_family = AF_INET;
 	
 	userdata->isSSL = false;
+	fcntl(userdata->socket, F_SETFL, fcntl(userdata->socket, F_GETFL, 0)|O_NONBLOCK);
 	
 	return 1;
 }
@@ -140,9 +147,9 @@ static int socket_udp(lua_State *L) {
 		lua_pushstring(L, strerror(errno));
 		return 2;
 	}
-	fcntl(userdata->socket, F_SETFL, O_NONBLOCK);
 	
 	userdata->addr.sin_family = AF_INET;
+	fcntl(userdata->socket, F_SETFL, fcntl(userdata->socket, F_GETFL, 0)|O_NONBLOCK);
 	
 	return 1;
 }
@@ -151,6 +158,9 @@ static int socket_udp(lua_State *L) {
 Add a trusted root CA to the certChain.
 @function addTrustedRootCA
 @tparam string cert DER cert
+@treturn[1] boolean `true` if everything went fine
+@treturn[2] nil in case of error
+@treturn[2] number error code
 */
 static int socket_addTrustedRootCA(lua_State *L) {
 	size_t size = 0;
@@ -181,7 +191,7 @@ static int socket_bind(lua_State *L) {
 	socket_userdata *userdata = luaL_checkudata(L, 1, "LSocket");
 	int port = luaL_checkinteger(L, 2);
 	
-	userdata->addr.sin_addr.s_addr = htonl(INADDR_ANY);
+	userdata->addr.sin_addr.s_addr = gethostid();
 	userdata->addr.sin_port = htons(port);
 	
 	bind(userdata->socket, (struct sockaddr*)&userdata->addr, sizeof(userdata->addr));
@@ -205,6 +215,64 @@ static int socket_close(lua_State *L) {
 	return 0;
 }
 
+/***
+Get some informations from a socket.
+@function :getpeername
+@treturn string IP
+@treturn number port
+*/
+static int socket_getpeername(lua_State *L) {
+	socket_userdata *userdata = luaL_checkudata(L, 1, "LSocket");
+	
+	struct sockaddr_in addr;
+	socklen_t addrSize = sizeof(addr);
+	
+	getpeername(userdata->socket, (struct sockaddr*)&addr, &addrSize);
+	
+	lua_pushstring(L, inet_ntoa(addr.sin_addr));
+	lua_pushinteger(L, ntohs(addr.sin_port));
+	
+	return 2;
+}
+
+/***
+Get some local informations from a socket.
+@function :getsockname
+@treturn string IP
+@treturn number port
+*/
+static int socket_getsockname(lua_State *L) {
+	socket_userdata *userdata = luaL_checkudata(L, 1, "LSocket");
+	
+	struct sockaddr_in addr;
+	socklen_t addrSize = sizeof(addr);
+	
+	getsockname(userdata->socket, (struct sockaddr*)&addr, &addrSize);
+	
+	lua_pushstring(L, inet_ntoa(addr.sin_addr));
+	lua_pushinteger(L, ntohs(addr.sin_port));
+	
+	return 2;
+}
+
+/***
+Set if the socket should be blocking.
+@function :setBlocking
+@tparam[opt=true] boolean block if `false`, the socket won't block
+*/
+static int socket_setBlocking(lua_State *L) {
+	socket_userdata *userdata = luaL_checkudata(L, 1, "LSocket");
+	bool block = true;
+	if (lua_isboolean(L, 2))
+		block = lua_toboolean(L, 2);
+	
+	int flags = fcntl(userdata->socket, F_GETFL, 0);
+	flags = block?(flags&~O_NONBLOCK):(flags|O_NONBLOCK);
+	fcntl(userdata->socket, F_SETFL, flags);
+	
+	return 0;
+}
+
 /***
 TCP Sockets
 @section TCP
@@ -221,6 +289,7 @@ static int socket_accept(lua_State *L) {
 	socket_userdata *client = lua_newuserdata(L, sizeof(*client));
 	luaL_getmetatable(L, "LSocket");
 	lua_setmetatable(L, -2);
+	client->isSSL = false;
 	
 	socklen_t addrSize = sizeof(client->addr);
 	client->socket = accept(userdata->socket, (struct sockaddr*)&client->addr, &addrSize);
@@ -228,7 +297,6 @@ static int socket_accept(lua_State *L) {
 		lua_pushnil(L);
 		return 1;
 	}
-	fcntl(client->socket, F_SETFL, O_NONBLOCK);
 	
 	return 1;
 }
@@ -276,7 +344,6 @@ static int socket_connect(lua_State *L) {
 		}
 		userdata->isSSL = true;
 	}
-	fcntl(userdata->socket, F_SETFL, O_NONBLOCK);
 	
 	lua_pushboolean(L, 1);
 	return 1;
@@ -402,46 +469,6 @@ static int socket_send(lua_State *L) {
 	return 1;
 }
 
-/***
-Get some informations from a socket.
-@function :getpeername
-@treturn string IP
-@treturn number port
-*/
-static int socket_getpeername(lua_State *L) {
-	socket_userdata *userdata = luaL_checkudata(L, 1, "LSocket");
-	
-	struct sockaddr_in addr;
-	socklen_t addrSize = sizeof(addr);
-	
-	getpeername(userdata->socket, (struct sockaddr*)&addr, &addrSize);
-	
-	lua_pushstring(L, inet_ntoa(addr.sin_addr));
-	lua_pushinteger(L, ntohs(addr.sin_port));
-	
-	return 2;
-}
-
-/***
-Get some local informations from a socket.
-@function :getsockname
-@treturn string IP
-@treturn number port
-*/
-static int socket_getsockname(lua_State *L) {
-	socket_userdata *userdata = luaL_checkudata(L, 1, "LSocket");
-	
-	struct sockaddr_in addr;
-	socklen_t addrSize = sizeof(addr);
-	
-	getsockname(userdata->socket, (struct sockaddr*)&addr, &addrSize);
-	
-	lua_pushstring(L, inet_ntoa(addr.sin_addr));
-	lua_pushinteger(L, ntohs(addr.sin_port));
-	
-	return 2;
-}
-
 /***
 UDP sockets
 @section UDP
@@ -533,6 +560,7 @@ static const struct luaL_Reg socket_methods[] = {
 	{"accept",      socket_accept     },
 	{"bind",        socket_bind       },
 	{"close",       socket_close      },
+	{"setBlocking", socket_setBlocking},
 	{"__gc",        socket_close      },
 	{"connect",     socket_connect    },
 	{"listen",      socket_listen     },