annotate tests/test-fseterr.c @ 40057:b06060465f09

maint: Run 'make update-copyright'
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 01 Jan 2019 00:25:11 +0100
parents 10eb9086bea0
children
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1 /* Test setting the error indicator of a stream.
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2 Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
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16
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17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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18
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19 #include <config.h>
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20
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21 #include "fseterr.h"
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22
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23 #include <stdio.h>
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24 #include <stdlib.h>
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25
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26 int
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27 main ()
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28 {
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29 /* All streams are initially created with the error indicator cleared. */
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30 if (ferror (stdout))
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31 abort ();
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32
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33 /* Verify that fseterr() works. */
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34 fseterr (stdout);
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35 if (!ferror (stdout))
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36 abort ();
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37
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38 /* Verify fseterr's effect can be undone by clearerr(). */
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39 clearerr (stdout);
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40 if (ferror (stdout))
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41 abort ();
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42
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43 return 0;
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44 }