Passing by reference.

This is a discussion on Passing by reference. within the C++ Programming forums, part of the General Programming Boards category; This is the basic of basics, but for some reason I keep getting the compile error Code: error C2143: syntax ...

  1. #1
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    Passing by reference.

    This is the basic of basics, but for some reason I keep getting the compile error

    Code:
    error C2143: syntax error : missing ')' before '&'
    Code:
    int file_read(ang_file *f, _TCHAR *buf, size_t n, size_t &n_read)
    {
    ... function goes here ...
    }
    All I wanted to do was change the file_read function so that it returned an number for error (or success) and stored the number of bytes read through a variable passed to it.

    I'm new to C++ programming so if I've missed something very obvious please let me know.

  2. #2
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    that error usually means it doesn't recognize a type in your arg list

    what did the function look like before?

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    Quote Originally Posted by m37h0d View Post
    what did the function look like before?
    Like ...

    Code:
    int file_read(ang_file *f, _TCHAR *buf, size_t n)
    as far as I recall. There are other size_t's and _TCHAR's in the same file so I'd be surprised if they were the problem.

    Yeah, it's definitely the & that isn't being liked there. Changing everything else doesn't kill the compile error.

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    >> Yeah, it's definitely the & that isn't being liked there. Changing everything else doesn't kill the compile error.

    Why don't you post a small, compilable example that demonstrates the problem?

  5. #5
    Frequently Quite Prolix dwks's Avatar
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    Are you compiling the code as C code (i.e., does the name of the file end in ".c")? Because C doesn't have references.
    dwk

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    Quote Originally Posted by dwks View Post
    Are you compiling the code as C code (i.e., does the name of the file end in ".c")? Because C doesn't have references.
    D'oh! Yeah, it's "Compile as C++ Code (/TP)" but .c files. I forgot about that.

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