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List:       kde-commits
Subject:    Re: kdebase/kioslave/thumbnail [INSECURITY]
From:       Oswald Buddenhagen <ossi () kde ! org>
Date:       2002-12-04 11:33:19
[Download RAW message or body]

On Wed, Dec 04, 2002 at 11:29:57AM +0100, Oswald Buddenhagen wrote:
> a rudimentary c++ parser would preprocess the old and the new revision
> by stripping comments and text in strings.
> [...]
> volunteers make one step ahead ... [/me makes one step aback] :)
> 
actually, the preprocessor is almost trivial. attached.
possible todo: special-casing for strings in #includes.
dirk: have fun with it. :)

greetings

-- 
Hi! I'm a .signature virus! Copy me into your ~/.signature, please!
--
Chaos, panic, and disorder - my work here is done.

["untextify.c" (text/x-csrc)]

/*
 * This program reads from stdin, strips all c/c++ comments, makes all
 * c strings empty and outputs the result to stdout.
 *
 * written by Oswald Buddenhagen <ossi@kde.org>
 *
 * This file is free software in terms of the BSD licence. That means
 * that you can do anything with it except removing this license or
 * the above copyright notice. There is NO WARRANTY of any kind.
 *
 */

#include <stdio.h>

int
main()
{
    int c;

    c = getchar();
    while (c != EOF) {
	if (c == '"') {
	    putchar (c);
	    while ((c = getchar()) != EOF && c != '"') {
		if (c == '\\')
		    c = getchar();
		if (c == '\n')
		    putchar (c);
	    }
	    putchar (c);	    
	} else if (c == '/') {
	    c = getchar();
	    if (c == '/') {
		while ((c = getchar()) != EOF && c != '\n');
		putchar (c);
	    } else if (c == '*') {
		c = getchar();
		while (c != EOF) {
		    if (c == '\n')
			putchar (c);
		    else if (c == '*') {
			c = getchar();
			if (c == '/')
			    break;
			continue;
		    }
		    c = getchar();
		}
	    } else {
		putchar ('/');
		continue;
	    }
	} else
	    putchar (c);
	c = getchar();
    }

    return 0;
}


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