shell/source/unix/misc/uri-encode.c

   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 int main(void) {
  27     for (;;) {
  28         int c;
  29         errno = 0;
  30         c = getchar();
  31         if (c == EOF) {
  32             exit(errno == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
  33         } else if (isalnum(c) || strchr("!$'()*+,-.:=@_~/\n", c) != NULL) {
  34             /* valid RFC 2396 pchar characters + '/' + newline */
  35             if (putchar(c) == EOF) {
  36                 exit(EXIT_FAILURE);
  37             }
  38         } else if (printf("%%%02X", (unsigned char) (char) c) < 0) {
  39             exit(EXIT_FAILURE);
  40         }
  41     }
  42 }
  43
  44 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */