Merge branch 'stable-4.0' into stable-4.0-next, sync float limits

* fix commits 00114e9c23 and 8afa292ed8  and c63593ec39, merge
  the solution with stable-4.0-next to define final release soon

doc/lua_api.txt

@@ -2276,14 +2276,13 @@ Helper functions
                 avg_jitter = 0.03,         -- average packet time jitter
                 connection_uptime = 200,   -- seconds since client connected
                 protocol_version = 32,     -- protocol version used by client
-                -- following information is available on debug build only!!!
-                -- DO NOT USE IN MODS
-                --ser_vers = 26,             -- serialization version used by client
-                --major = 0,                 -- major version number
-                --minor = 4,                 -- minor version number
-                --patch = 10,                -- patch version number
-                --vers_string = "0.4.9-git", -- full version string
-                --state = "Active"           -- current client state
+                -- next info is only available in VenenuX minetest versions minenux
+                ser_vers = 26,             -- serialization version used by client
+                major = 0,                 -- major version number
+                minor = 4,                 -- minor version number
+                patch = 10,                -- patch version number
+                vers_string = "0.4.9-git", -- full version string
+                state = "Active"           -- current client state
             }
 * `minetest.mkdir(path)`: returns success.
     * Creates a directory specified by `path`, creating parent directories

src/clientiface.h

@@ -360,6 +360,7 @@ public:
 	u8 getMajor() const { return m_version_major; }
 	u8 getMinor() const { return m_version_minor; }
 	u8 getPatch() const { return m_version_patch; }
+	std::string getFull() const { return m_full_version; }
 private:
 	// Version is stored in here after INIT before INIT2
 	u8 m_pending_serialization_version;

src/script/common/c_converter.cpp

@@ -28,7 +28,7 @@ extern "C" {
 #include "common/c_converter.h"
 #include "common/c_internal.h"
 #include "constants.h"
-
+#include <cmath>
 
 #define CHECK_TYPE(index, name, type) do { \
 		int t = lua_type(L, (index)); \
@@ -41,8 +41,8 @@ extern "C" {
 	} while(0)
 #define CHECK_POS_COORD(name) CHECK_TYPE(-1, "position coordinate '" name "'", LUA_TNUMBER)
 #define CHECK_FLOAT_RANGE(value, name) \
-if (value < F1000_MIN || value > F1000_MAX) { \
-	warningstream << "Invalid float vector dimension range '" name "' " << \
+if (value < F1000_MIN || value > F1000_MAX || std::isnan(value) || std::isinf(value) ) { \
+	warningstream << "Invalid float vector dimension range or null value given '" name "' " << \
 	"(expected " << F1000_MIN << " < " name " < " << F1000_MAX << \
 	" got " << value << "). restarted to max / min" << std::endl; \
 	if (value < F1000_MIN) \

src/script/lua_api/l_server.cpp

@@ -235,8 +235,7 @@ int ModApiServer::l_get_player_information(lua_State *L)
 	lua_pushstring(L,"protocol_version");
 	lua_pushnumber(L, prot_vers);
 	lua_settable(L, table);
-	
-#ifndef NDEBUG
+
 	lua_pushstring(L,"serialization_version");
 	lua_pushnumber(L, ser_vers);
 	lua_settable(L, table);
@@ -260,7 +259,6 @@ int ModApiServer::l_get_player_information(lua_State *L)
 	lua_pushstring(L,"state");
 	lua_pushstring(L,ClientInterface::state2Name(state).c_str());
 	lua_settable(L, table);
-#endif
 
 #undef ERET
 	return 1;

src/server.cpp

@@ -1429,7 +1429,7 @@ bool Server::getClientInfo(
 	*major = client->getMajor();
 	*minor = client->getMinor();
 	*patch = client->getPatch();
-	*vers_string = client->getPatch();
+	*vers_string = client->getFull();
 
 	m_clients.unlock();