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unistd: port readlink to Mac OS X 10.3.9 * lib/unistd.in.h (_GL_INCLUDING_UNISTD_H): New macro, to work around self-include problem in Mac OS X 10.3.9 when combined with readlink module. Problem reported by Klaus Zietler in <http://bugs.gnu.org/16825>.
author Paul Eggert <eggert@penguin.cs.ucla.edu>
date Tue, 25 Feb 2014 11:16:27 -0800 (2014-02-25)
parents 344018b6e5d7
children
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1 /* Test of c_asprintf() and c_vasprintf() functions.
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Eric Blake <eblake@redhat.com>
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2 Copyright (C) 2011-2014 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 <http://www.gnu.org/licenses/>. */
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16
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17 #include <config.h>
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18
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19 #include "c-vasprintf.h"
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20
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21 #include <locale.h>
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22 #include <stdio.h>
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23 #include <string.h>
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24
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25 #include "macros.h"
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26
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27 static int
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28 my_c_asprintf (char **result, const char *format, ...)
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29 {
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30 va_list args;
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31 int ret;
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32
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33 va_start (args, format);
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34 ret = c_vasprintf (result, format, args);
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35 va_end (args);
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36 return ret;
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37 }
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38
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39 int
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40 main (int argc, char *argv[])
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41 {
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42 /* configure should already have checked that the locale is supported. */
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43 if (setlocale (LC_ALL, "") == NULL)
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44 return 1;
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45
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46 /* Test behaviour of snprintf() as a "control group".
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47 (We should be running in a locale where ',' is the decimal point.) */
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48 {
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49 char s[16];
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50
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51 snprintf (s, sizeof s, "%#.0f", 1.0);
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52 if (!strcmp (s, "1."))
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53 {
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54 /* Skip the test, since we're not in a useful locale for testing. */
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55 return 77;
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56 }
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57 ASSERT (!strcmp (s, "1,"));
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58 }
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59
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60 /* Test behaviour of c_asprintf() and c_vasprintf().
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61 They should always use '.' as the decimal point. */
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62 {
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63 int retval;
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64 char *s;
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65
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66 retval = c_asprintf (&s, "%#.0f", 1.0);
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67 ASSERT (s != NULL);
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68 ASSERT (!strcmp (s, "1."));
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69 ASSERT (retval == 2);
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70 free (s);
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71
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72 retval = my_c_asprintf (&s, "%#.0f", 1.0);
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73 ASSERT (s != NULL);
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74 ASSERT (!strcmp (s, "1."));
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75 ASSERT (retval == 2);
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76 free (s);
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77 }
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78
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79 return 0;
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80 }