error: conflicting types for 'myFunctionOne '.

Hello

The help page of LabWindows/CVI 2013 for C language Extensions seems to show the functions of overloading is supported in C99 extensions:

' Function overloading in C | Yes '.

The same thing in the table in the following link:

http://digital.NI.com/public.nsf/allkb/73AEAD30C8AF681A86257BBB0054A26B

I tried to compile a source file with the following definitions of the function overloaded with C99 extensions enabled in the compilation Options:

void myFunctionOne (double d) {}
printf ("value = %f\n", d ");
}

void myFunctionOne (int d) {}
printf ("value = %d\n", d ");
}

and I get the error:

"types of conflict for"myFunctionOne"

Overloading of functions is based really, and if so, how you allow it?

Thank you
Mark B.

Hello Mark,

You must add __attribute__ ((overloadable)) in the definitions of the functions you want to overload.

Sub __attribute__ ((overloadable)) myFunctionOne (double d) {}
printf ("value = %f\n", d ");
}

__attribute__ ((overloadable)) void myFunctionOne (int d) {}
printf ("value = %d\n", d ");
}

You can see an example of extensions clang here.

Constantin

Tags: NI Software

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