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Make fatalMessageBox() end with std::abort() and declare it [[noreturn]]

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Many places calling fatalMessageBox() assume it doesn't return, so make
it behave this way. See discussion around:

  https://sourceforge.net/p/flightgear/mailman/message/35766691/

for some context.
This commit is contained in:
Florent Rougon 2017-04-08 13:49:55 +02:00
parent 5040e6c7f0
commit 9e6a3ebc6b
3 changed files with 16 additions and 12 deletions
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13
src/GUI/MessageBox.cxx
View file

@ -4,6 +4,8 @@
#include <simgear/simgear_config.h>
#include <cstdlib>
#include "MessageBox.hxx"
#include <Main/fg_props.hxx>
@ -146,16 +148,16 @@ MessageBoxResult modalMessageBox(const std::string& caption,
#endif
}
MessageBoxResult fatalMessageBox(const std::string& caption,
[[noreturn]] void fatalMessageBox(const std::string& caption,
const std::string& msg,
const std::string& moreText)
{
#if defined(SG_WINDOWS)
return win32MessageBox(caption, msg, moreText);
win32MessageBox(caption, msg, moreText);
#elif defined(SG_MAC)
return cocoaFatalMessage(msg, moreText);
cocoaFatalMessage(msg, moreText);
#elif defined(HAVE_QT)
return QtMessageBox(caption, msg, moreText, true);
QtMessageBox(caption, msg, moreText, true);
#else
std::string s = "FATAL: "+ msg;
if (!moreText.empty()) {
@ -169,8 +171,9 @@ MessageBoxResult fatalMessageBox(const std::string& caption,
dlg->setStringValue("text/label", s );
_gui->showDialog("popup");
}
return MSG_BOX_OK;
#endif
std::abort();
}
} // of namespace flightgear

2
src/GUI/MessageBox.hxx
View file

@ -17,7 +17,7 @@ MessageBoxResult modalMessageBox(const std::string& caption,
const std::string& msg,
const std::string& moreText = std::string());
MessageBoxResult fatalMessageBox(const std::string& caption,
[[noreturn]] void fatalMessageBox(const std::string& caption,
const std::string& msg,
const std::string& moreText = std::string());

5
tests/testStubs.cxx
View file

@ -1,4 +1,5 @@
#include <string>
#include <cstdlib>
#include <simgear/misc/sg_path.hxx>
#include <simgear/structure/exception.hxx>
@ -112,11 +113,11 @@ namespace flightgear
return MSG_BOX_OK;
}
MessageBoxResult fatalMessageBox(const std::string& caption,
[[noreturn]] void fatalMessageBox(const std::string& caption,
const std::string& msg,
const std::string& moreText)
{
return MSG_BOX_OK;
std::abort();
}
}