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 main(void)26int 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: */ 45