44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(void) {
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for (;;) {
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int c;
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errno = 0;
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c = getchar();
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if (c == EOF) {
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exit(errno == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
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} else if (isalnum(c) || strchr("!$'()*+,-.:=@_~/", c) != NULL) {
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/* valid RFC 2396 pchar characters + '/' */
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if (putchar(c) == EOF) {
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exit(EXIT_FAILURE);
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}
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} else if (printf("%%%02X", (unsigned char) (char) c) < 0) {
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exit(EXIT_FAILURE);
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}
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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