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annotate tests/test-getdomainname.c @ 17530:8981b79e1271

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error: make the module depend on vfprintf-posix * modules/error (Depends-on): Add vfprintf-posix, since error calls vfprintf unconditionally, via error_tail.
author Jim Meyering <meyering@fb.com>
date Sat, 12 Oct 2013 19:28:40 -0700
parents e542fd46ad6f
children 344018b6e5d7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (C) 2008-2013 Free Software Foundation, Inc.
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3 * Written by Simon Josefsson.
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4 *
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5 * This program is free software: you can redistribute it and/or modify
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6 * it under the terms of the GNU General Public License as published by
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7 * the Free Software Foundation; either version 3 of the License, or
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8 * (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>. */
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17
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18 #include <config.h>
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19
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20 /* Get getdomainname() declaration. */
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21 #include <unistd.h>
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22
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23 #include "signature.h"
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24 SIGNATURE_CHECK (getdomainname, int, (char *, size_t));
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25
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26 #include <stdio.h>
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27 #include <string.h>
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28 #include <errno.h>
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29
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30 #define YPMAXDOMAIN 64
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31
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32 #define NODOMAINNAME "magic-gnulib-test-string"
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33
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34 int
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35 main (int argc, char *argv[] _GL_UNUSED)
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36 {
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37 char buf[YPMAXDOMAIN];
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38 int rc;
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39
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40 if (strlen (NODOMAINNAME) >= YPMAXDOMAIN)
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41 {
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42 printf ("YPMAXDOMAIN impossibly small?! %d\n", YPMAXDOMAIN);
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43 return 2;
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44 }
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45
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46 strcpy (buf, NODOMAINNAME);
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47
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48 rc = getdomainname (buf, sizeof (buf));
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49
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50 if (rc != 0)
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51 {
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52 printf ("getdomainname failed, rc %d errno %d\n", rc, errno);
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53 return 1;
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54 }
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55
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56 if (strcmp (buf, NODOMAINNAME) == 0)
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57 {
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58 printf ("getdomainname left buffer untouched.\n");
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59 return 1;
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60 }
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61
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62 if (argc > 1)
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63 printf ("domainname: %s\n", buf);
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64
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65 return 0;
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66 }