[Qt-interest] Interaction between QApplication and swscanf

thomas porez thomasporez at gmail.com
Thu Sep 10 11:19:48 CEST 2009


I have strange behaviour with the swscanf function in my QT programs : This
function always returns 0 when a QApplication is declared ...
Thanks for your help !

Here is the minimal code with the strange behaviour :


CODE

#include <QApplication>

float getVal()

{

float val;

wchar_t wStr[] = L"0.98";

swscanf( wStr, L"%f", &val );

return val;

}

int main(int argc, char ** argv)

{

printf( "Without QApp : %f\n", getVal() );

QApplication app( argc, argv );

printf( "With QApp : %f\n", getVal() );

}


OUTPUT

Without QApp : 0.980000
With QApp : 0,000000
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