CGI String Format

This is a discussion on CGI String Format within the A Brief History of Cprogramming.com forums, part of the Community Boards category; a) Is the string passed to the ci file from a web site null terminated, or does it just END. ...

  1. #1
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    CGI String Format

    a) Is the string passed to the ci file from a web site null terminated, or does it just END.

    b) how do you get it into the file? Is it like this:

    char anyname[CONTENT_LENGTH];
    scanf(anyname);

    If not, HOW!?

    Thanksin advance if you can help.

  2. #2
    Code Goddess Prelude's Avatar
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    >Is the string passed to the ci file from a web site null terminated, or does it just END.
    String input works the same with CGI as with anything else, both with stdin and arguments to main.

    >how do you get it into the file?
    The easiest way is to read a string and then parse it. fgets is ideal for this. You can also use argc and argv:
    Code:
    #include <stdio.h>
    #include <stdlib.h>
    #define OPEN "<HTML><BODY>"
    #define CLOSE "</BODY></HTML>"
    
    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 EXIT_SUCCESS;
    }
    -Prelude
    My best code is written with the delete key.

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