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vivekgarg
vivekgarg
Last Activity: Oct 7 '08, 08:31 AM
Joined: Oct 1 '08
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  • vivekgarg
    replied to conditional expansion of a macro
    in C
    Yeah Donbock what you said was certainly correct in it's own context but I guess I was not clear enough in my question.
    Basically what I am asking is, why this peice of code dosen't work and what is the possible solution.

    #ifdef ABC
    #define TEST /
    cout<<"abc"
    #else
    #define TEST
    cout<<"xyz"
    #endif

    int main()
    {
    TEST;...
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    • vivekgarg
      started a topic conditional expansion of a macro
      in C

      conditional expansion of a macro

      Hi,
      Can I use some conditional operator to select a part of code to be expanded.
      What I meant was... Can I do something like this..

      #define func(arg1) \
      if arg1 == abc\ \* this line should not expand but just test*\
      some code\
      else\ \* this line should not expand but just test*\
      some other code


      Thanks
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