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check if string msg is not NULL, fix segfault

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Origin commit data
------------------
Commit: c9e8a57418
Author: Jacek Jendrzej <overx300@gmail.com>
Date: 2016-05-19 (Thu, 19 May 2016)
This commit is contained in:
Jacek Jendrzej
2016-05-19 15:22:15 +02:00
parent 62adf72b7d
commit 5b9ab4a91b
4 changed files with 37 additions and 17 deletions
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30
src/gui/lua/lua_menue.cpp
View File

@@ -56,8 +56,10 @@ bool CLuaMenuChangeObserver::changeNotify(lua_State *L, const std::string &luaAc
lua_pushstring(L, optionValue);
int status = lua_pcall(L, 2 /* two args */, 1 /* one result */, 0);
if (status) {
fprintf(stderr, "[CLuaMenuChangeObserver::%s:%d] error in script: %s\n", __func__, __LINE__, lua_tostring(L, -1));
DisplayErrorMessage(lua_tostring(L, -1), "Lua Script Error:");
bool isString = lua_isstring(L,-1);
const char *null = "NULL";
fprintf(stderr, "[CLuaMenuChangeObserver::%s:%d] error in script: %s\n", __func__, __LINE__, isString ? lua_tostring(L, -1): null);
DisplayErrorMessage(isString ? lua_tostring(L, -1):null, "Lua Script Error:");
}
double res = lua_isnumber(L, -1) ? lua_tonumber(L, -1) : 0;
return (((int)res == menu_return::RETURN_REPAINT) || ((int)res == menu_return::RETURN_EXIT_REPAINT));
@@ -135,8 +137,10 @@ int CLuaMenuForwarder::exec(CMenuTarget* /*parent*/, const std::string & /*actio
lua_pushstring(L, luaId.c_str());
int status = lua_pcall(L, 1 /* one arg */, 1 /* one result */, 0);
if (status) {
fprintf(stderr, "[CLuaMenuForwarder::%s:%d] error in script: %s\n", __func__, __LINE__, lua_tostring(L, -1));
DisplayErrorMessage(lua_tostring(L, -1), "Lua Script Error:");
bool isString = lua_isstring(L,-1);
const char *null = "NULL";
fprintf(stderr, "[CLuaMenuForwarder::%s:%d] error in script: %s\n", __func__, __LINE__, isString ? lua_tostring(L, -1):null);
DisplayErrorMessage(isString ? lua_tostring(L, -1):null, "Lua Script Error:");
}
if (lua_isnumber(L, -1))
res = (int) lua_tonumber(L, -1);
@@ -179,8 +183,10 @@ int CLuaMenuFilebrowser::exec(CMenuTarget* /*parent*/, const std::string& /*acti
lua_pushstring(L, value->c_str());
int status = lua_pcall(L, 2 /* two arg */, 1 /* one result */, 0);
if (status) {
fprintf(stderr, "[CLuaMenuFilebrowser::%s:%d] error in script: %s\n", __func__, __LINE__, lua_tostring(L, -1));
DisplayErrorMessage(lua_tostring(L, -1), "Lua Script Error:");
bool isString = lua_isstring(L,-1);
const char *null = "NULL";
fprintf(stderr, "[CLuaMenuFilebrowser::%s:%d] error in script: %s\n", __func__, __LINE__, isString ? lua_tostring(L, -1):null);
DisplayErrorMessage(isString ? lua_tostring(L, -1):null, "Lua Script Error:");
}
lua_pop(L, 1);
}
@@ -222,8 +228,10 @@ int CLuaMenuStringinput::exec(CMenuTarget* /*parent*/, const std::string & /*act
lua_pushstring(L, value->c_str());
int status = lua_pcall(L, 2 /* two arg */, 1 /* one result */, 0);
if (status) {
fprintf(stderr, "[CLuaMenuStringinput::%s:%d] error in script: %s\n", __func__, __LINE__, lua_tostring(L, -1));
DisplayErrorMessage(lua_tostring(L, -1), "Lua Script Error:");
bool isString = lua_isstring(L,-1);
const char *null = "NULL";
fprintf(stderr, "[CLuaMenuStringinput::%s:%d] error in script: %s\n", __func__, __LINE__, isString ? lua_tostring(L, -1):null);
DisplayErrorMessage(isString ? lua_tostring(L, -1):null, "Lua Script Error:");
}
lua_pop(L, 2);
}
@@ -260,8 +268,10 @@ int CLuaMenuKeyboardinput::exec(CMenuTarget* /*parent*/, const std::string & /*a
lua_pushstring(L, value->c_str());
int status = lua_pcall(L, 2 /* two arg */, 1 /* one result */, 0);
if (status) {
fprintf(stderr, "[CLuaMenuKeyboardinput::%s:%d] error in script: %s\n", __func__, __LINE__, lua_tostring(L, -1));
DisplayErrorMessage(lua_tostring(L, -1), "Lua Script Error:");
bool isString = lua_isstring(L,-1);
const char *null = "NULL";
fprintf(stderr, "[CLuaMenuKeyboardinput::%s:%d] error in script: %s\n", __func__, __LINE__, isString ? lua_tostring(L, -1):null);
DisplayErrorMessage(isString ? lua_tostring(L, -1):null, "Lua Script Error:");
}
lua_pop(L, 2);
}

4
src/gui/lua/lua_video.cpp
View File

@@ -221,7 +221,9 @@ bool CLuaInstVideo::execLuaInfoFunc(lua_State *L, int xres, int yres, int aspect
lua_getstack(L, 1, &ar);
lua_getinfo(L, "Sl", &ar);
memset(msg, '\0', sizeof(msg));
snprintf(msg, sizeof(msg)-1, "[%s:%d] error running function '%s': %s", ar.short_src, ar.currentline, D->infoFunc.c_str(), lua_tostring(L, -1));
bool isString = lua_isstring(L,-1);
const char *null = "NULL";
snprintf(msg, sizeof(msg)-1, "[%s:%d] error running function '%s': %s", ar.short_src, ar.currentline, D->infoFunc.c_str(), isString ? lua_tostring(L, -1):null);
fprintf(stderr, "[CLuaInstVideo::%s:%d] %s\n", __func__, __LINE__, msg);
DisplayErrorMessage(msg);
return false;

12
src/gui/lua/luainstance.cpp
View File

@@ -435,8 +435,10 @@ void CLuaInstance::runScript(const char *fileName, std::vector<std::string> *arg
/* run the script */
int status = luaL_loadfile(lua, fileName);
if (status) {
fprintf(stderr, "[CLuaInstance::%s] Can't load file: %s\n", __func__, lua_tostring(lua, -1));
DisplayErrorMessage(lua_tostring(lua, -1), "Lua Script Error:");
bool isString = lua_isstring(lua,-1);
const char *null = "NULL";
fprintf(stderr, "[CLuaInstance::%s] Can't load file: %s\n", __func__, isString ? lua_tostring(lua, -1):null);
DisplayErrorMessage(isString ? lua_tostring(lua, -1):null, "Lua Script Error:");
if (error_string)
*error_string = std::string(lua_tostring(lua, -1));
return;
@@ -466,8 +468,10 @@ void CLuaInstance::runScript(const char *fileName, std::vector<std::string> *arg
*result_string = std::string(lua_tostring(lua, -1));
if (status)
{
fprintf(stderr, "[CLuaInstance::%s] error in script: %s\n", __func__, lua_tostring(lua, -1));
DisplayErrorMessage(lua_tostring(lua, -1), "Lua Script Error:");
bool isString = lua_isstring(lua,-1);
const char *null = "NULL";
fprintf(stderr, "[CLuaInstance::%s] error in script: %s\n", __func__, isString ? lua_tostring(lua, -1):null);
DisplayErrorMessage(isString ? lua_tostring(lua, -1):null, "Lua Script Error:");
if (error_string)
*error_string = std::string(lua_tostring(lua, -1));
/* restoreNeutrino at plugin crash, when blocked from plugin */

8
src/gui/widget/messagebox.cpp
View File

@@ -289,7 +289,9 @@ int CMessageBox::exec(int timeout)
int ShowMsg(const neutrino_locale_t Caption, const char * const Text, const CMessageBox::result_ &Default, const uint32_t ShowButtons, const char * const Icon, const int Width, const int timeout, bool returnDefaultOnTimeout)
{
std::string tmpText = Text;
std::string tmpText = "msg error";
if(!Text)
tmpText = Text;
CMessageBox* messageBox = new CMessageBox(Caption, tmpText.c_str(), Width, Icon, Default, ShowButtons);
messageBox->returnDefaultValueOnTimeout(returnDefaultOnTimeout);
messageBox->exec(timeout);
@@ -301,7 +303,9 @@ int ShowMsg(const neutrino_locale_t Caption, const char * const Text, const CMes
int ShowMsg(const std::string &Caption, const char * const Text, const CMessageBox::result_ &Default, const uint32_t ShowButtons, const char * const Icon, const int Width, const int timeout, bool returnDefaultOnTimeout)
{
std::string tmpText = Text;
std::string tmpText = "msg error";
if(!Text)
tmpText = Text;
CMessageBox* messageBox = new CMessageBox(Caption, tmpText.c_str(), Width, Icon, Default, ShowButtons);
messageBox->returnDefaultValueOnTimeout(returnDefaultOnTimeout);
messageBox->exec(timeout);