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/** BEGIN COPYRIGHT BLOCK
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; version 2 of the License.
*
* This Program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/*
* Easter egg encoder. See ../fedse.c:egg_decode() for the mirror image.
*/
#include <stdio.h>
static unsigned char egg_nibble2char( int nibble );
int
main( int argc, char *argv[] )
{
int c, colcount;
char outc;
if ( argc > 1 ) {
fprintf( stderr, "usage: %s < in > out\n", argv[0] );
return 2;
}
colcount = 0;
while (( c = getchar()) != EOF ) {
if ( 0 == colcount ) {
putchar( '"' );
}
c ^= 122;
outc = egg_nibble2char( (c & 0xF0) >> 4 );
putchar( outc );
++colcount;
outc = egg_nibble2char( c & 0x0F );
putchar( outc );
++colcount;
if ( colcount > 72 ) {
colcount = 0;
putchar( '"' );
putchar( '\n' );
}
}
if ( colcount > 0 ) {
putchar( '"' );
putchar( '\n' );
}
return 0;
}
static unsigned char
egg_nibble2char( int nibble )
{
return ( nibble < 10 ) ? nibble + '0' : ( nibble - 10 ) + 'A';
}
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