flewkey/cuberite-2a
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Fixed crash when logging nil values.

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Ref.: http://forum.mc-server.org/showthread.php?tid=1798
This commit is contained in:
Matyas Dolak 2015-02-20 09:51:18 +01:00
parent 1a60785ca2
commit 5d4dd103a1
1 changed files with 32 additions and 0 deletions
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32
src/Bindings/ManualBindings.cpp
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@ -165,6 +165,14 @@ static AString GetLogMessage(lua_State * tolua_S)
static int tolua_LOG(lua_State * tolua_S)
{
// If there's no param, spit out an error message instead of crashing:
if (lua_isnil(tolua_S, 1))
{
LOGWARNING("Attempting to LOG a nil value!");
cLuaState::LogStackTrace(tolua_S);
return 0;
}
// If the param is a cCompositeChat, read the log level from it:
cLogger::eLogLevel LogLevel = cLogger::llRegular;
tolua_Error err;
@ -184,6 +192,14 @@ static int tolua_LOG(lua_State * tolua_S)
static int tolua_LOGINFO(lua_State * tolua_S)
{
// If there's no param, spit out an error message instead of crashing:
if (lua_isnil(tolua_S, 1))
{
LOGWARNING("Attempting to LOGINFO a nil value!");
cLuaState::LogStackTrace(tolua_S);
return 0;
}
cLogger::GetInstance().LogSimple(GetLogMessage(tolua_S).c_str(), cLogger::llInfo);
return 0;
}
@ -194,6 +210,14 @@ static int tolua_LOGINFO(lua_State * tolua_S)
static int tolua_LOGWARN(lua_State * tolua_S)
{
// If there's no param, spit out an error message instead of crashing:
if (lua_isnil(tolua_S, 1))
{
LOGWARNING("Attempting to LOGWARN a nil value!");
cLuaState::LogStackTrace(tolua_S);
return 0;
}
cLogger::GetInstance().LogSimple(GetLogMessage(tolua_S).c_str(), cLogger::llWarning);
return 0;
}
@ -204,6 +228,14 @@ static int tolua_LOGWARN(lua_State * tolua_S)
static int tolua_LOGERROR(lua_State * tolua_S)
{
// If there's no param, spit out an error message instead of crashing:
if (lua_isnil(tolua_S, 1))
{
LOGWARNING("Attempting to LOGERROR a nil value!");
cLuaState::LogStackTrace(tolua_S);
return 0;
}
cLogger::GetInstance().LogSimple(GetLogMessage(tolua_S).c_str(), cLogger::llError);
return 0;
}