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annotate tests/test-c-vsnprintf.c @ 40231:9b3c79fdfe0b

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strtod: fix clash with strtold Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817). * lib/strtod.c (compute_minus_zero, minus_zero): Simplify by remving the macro / external variable, and having just a function. User changed. This avoids the need for an external variable that might clash.
author Paul Eggert <eggert@cs.ucla.edu>
date Mon, 11 Mar 2019 16:40:29 -0700
parents b06060465f09
children
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1 /* Test of c_vsnprintf() function.
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2 Copyright (C) 2011-2019 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 #include <config.h>
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18
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19 #include "c-vsnprintf.h"
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20
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21 #include <locale.h>
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22 #include <stdarg.h>
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23 #include <stdio.h>
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24 #include <string.h>
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25
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26 #include "macros.h"
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27
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28 #include <string.h>
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29
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30 static int
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31 my_c_snprintf (char *buf, int size, const char *format, ...)
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32 {
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33 va_list args;
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34 int ret;
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35
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36 va_start (args, format);
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37 ret = c_vsnprintf (buf, size, format, args);
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38 va_end (args);
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39 return ret;
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40 }
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41
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42 int
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43 main (int argc, char *argv[])
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44 {
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45 /* configure should already have checked that the locale is supported. */
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46 if (setlocale (LC_ALL, "") == NULL)
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47 return 1;
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48
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49 /* Test behaviour of snprintf() as a "control group".
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50 (We should be running in a locale where ',' is the decimal point.) */
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51 {
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52 char s[16];
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53
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54 snprintf (s, sizeof s, "%#.0f", 1.0);
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55 if (!strcmp (s, "1."))
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56 {
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57 /* Skip the test, since we're not in a useful locale for testing. */
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58 return 77;
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59 }
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60 ASSERT (!strcmp (s, "1,"));
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61 }
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62
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63 /* Test behaviour of c_vsnprintf().
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64 It should always use '.' as the decimal point. */
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65 {
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66 char s[16];
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67
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68 my_c_snprintf (s, sizeof s, "%#.0f", 1.0);
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69 ASSERT (!strcmp (s, "1."));
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70 }
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71
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72 return 0;
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73 }