C++ for CGI scripts

This is a discussion on C++ for CGI scripts within the A Brief History of Cprogramming.com forums, part of the Community Boards category; All my previous CGI scripts have been written in C, and I'm told that it can be done in any ...

  1. #1
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    C++ for CGI scripts

    All my previous CGI scripts have been written in C, and I'm told that it can be done in any language that writes to STDIO. C++ writes to SDTIO, but I've never seen it used in scripts. I think OOP could be very useful in my next script, and Java applets are out of the question. What's the situation with browser's handling C++, anybody know?

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    Re: C++ for CGI scripts

    Originally posted by Sean
    All my previous CGI scripts have been written in C, and I'm told that it can be done in any language that writes to STDIO. C++ writes to SDTIO, but I've never seen it used in scripts. I think OOP could be very useful in my next script, and Java applets are out of the question. What's the situation with browser's handling C++, anybody know?
    Why wouldn't it work? Its compiled just as C is. A processor doesn't differentiate between a program written in C, and one in C++.

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    Just a Member ammar's Avatar
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    May I ask: How can you write CGI scripts in C?
    none...

  4. #4
    Code Goddess Prelude's Avatar
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    >How can you write CGI scripts in C?
    It's surprisingly simple, here is a CGI program that takes a message and creates a simple web page:
    Code:
    #include <stdio.h>
    #include <string.h>
    
    #define OPEN "<HTML><BODY>"
    #define CLOSE "</BODY></HTML>"
    
    void parseMsg ( char *buf, char *s )
    {
      strcpy ( buf, s ); /* Insert a more suitable parse routine here */
    }
    
    int main ( int argc, char **argv )
    {
      char msg[BUFSIZ];
    
      if ( argc > 1 ) {
        parseMsg ( msg, argv[1] );
    
        printf ( "Content-type: text/html\n\n" );
        printf ( "%s\n%s\n%s\n", OPEN, msg, CLOSE );
      }
    
      return 0;
    }
    Or the C++ equivalent:
    Code:
    #include <iostream>
    #include <string>
    
    const char OPEN[] = "<HTML><BODY>";
    const char CLOSE[] = "</BODY></HTML>";
    
    void parseMsg ( std::string& buf, char *s )
    {
      buf = s; /* Insert a more suitable parse routine here */
    }
    
    int main ( int argc, char **argv )
    {
      std::string msg;
    
      if ( argc > 1 ) {
        parseMsg ( msg, argv[1] );
    
        std::cout<<"Content-type: text/html\n\n";
        std::cout<< OPEN <<'\n'<< msg <<'\n'<< CLOSE <<std::endl;
      }
    }
    -Prelude
    My best code is written with the delete key.

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