exceptions catching

[dfayruzov]

Äðóçüÿ, ïîõîæå ìû íàòêíóëèñü íà î÷÷ååíü íåïðèÿòíûé áàã â uclibc, äëÿ èëëþñòðàöèè ïîêàæó íåáîëüøó ïðîãðàììó:

[dfayruzov@wl500g dfayruzov]$ cat extest.cc
#include <iostream>
using namespace std;

int main () {
  cout << "Exception test" << endl;
  try
  {
    throw 20;
  }
  catch (int e)
  {
    cout << "An exception occurred. Exception Nr. " << e << endl;
  }

  cout << "End." << endl;

  return 0;
}

Êîìïèëèðóþ åå ñ ïîìîùüþ:

g++ -o extest extest.cc

Çàïóñêàþ, è:

[dfayruzov@wl500g dfayruzov]$ ./extest
Exception test
terminate called after throwing an instance of 'int'
Aborted

Ýêñøåïí íå ñëîâèëñÿ! Êàê òàê? È êàê ýòî ïîëå÷èòü?

[exxon]

à åñëè ñäåëàòü òàê?

int main () {
cout << "Exception test" << endl;
try
{
throw 20;
}
catch (int e)
{
cout << "An exception occurred. Exception Nr. " << e << endl;
}
catch (...)
{
cout << "An unknown exception occurred" << endl;
}

[dfayruzov]

#include <iostream>
#include <iostream>
using namespace std;

int main () {
cout << "Exception test" << endl;
try
{
throw 20;
}
catch (int e)
{
cout << "An exception occurred. Exception Nr. " << e << endl;
}
catch (...)
{
cout << "An unknown exception occurred" << endl;
}

cout << "End." << endl;

return 0;
}
~
[dfayruzov@wl500g dfayruzov]$ g++ -o extest2 extest2.cc
[dfayruzov@wl500g dfayruzov]$ ./extest2
Exception test
terminate called after throwing an instance of 'int'
Aborted

[dfayruzov]

Ïîõîæå, èçâåñòíûé áàã â uclibc:
http://uclibc.org/lists/uclibc/2006-July/015989.html