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C++: 'signed int' called when passed 'unsigned char'

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My program has a bug that has been driving me crazy... and I finally located where it is and what is happening, but need some help. I have a function that is overloaded to take different types:
FunctionA( unsigned int p1 );
FunctionA( signed   int p1 );
FunctionA( std::string  p1 );
FunctionA( unsigned char p1 );
The trouble I'm having is that every time I pass a parameter of type 'unsigned char', the 'signed int' function gets called. Any idea why?

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Original post by BeauMN
Never mind!! I had left out the virtual definition for the 'unsigned char' function in an abstract base class. Stupid mistake that it took me an hour to find.

That's C++(fixed) for ya!

[Edited by - daviangel on February 19, 2008 4:46:05 PM]

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Original post by daviangel
Quote:
Original post by BeauMN
Never mind!! I had left out the virtual definition for the 'unsigned char' function in an abstract base class. Stupid mistake that it took me an hour to find.

That's C for ya!


No, that would be C++. You would have no such problem in C.

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