Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <ctype.h>
      21             : #include <errno.h>
      22             : #include <stdio.h>
      23             : #include <stdlib.h>
      24             : #include <string.h>
      25             : 
      26           0 : int main() {
      27             :     for (;;) {
      28             :         int c;
      29           0 :         errno = 0;
      30           0 :         c = getchar();
      31           0 :         if (c == EOF) {
      32           0 :             exit(errno == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
      33           0 :         } else if (isalnum(c) || strchr("!$'()*+,-.:=@_~/\n", c) != NULL) {
      34             :             /* valid RFC 2396 pchar characters + '/' + newline */
      35           0 :             if (putchar(c) == EOF) {
      36           0 :                 exit(EXIT_FAILURE);
      37             :             }
      38           0 :         } else if (printf("%%%02X", (unsigned char) (char) c) < 0) {
      39           0 :             exit(EXIT_FAILURE);
      40             :         }
      41           0 :     }
      42             : }
      43             : 
      44             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */