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annotate tests/test-fprintf-posix2.c @ 19484:10eb9086bea0

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maint: Run 'make update-copyright'
author Paul Eggert <eggert@cs.ucla.edu>
date Mon, 01 Jan 2018 00:57:25 +0000
parents 9759915b2aca
children b06060465f09
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1 /* Test of POSIX compatible fprintf() function.
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2 Copyright (C) 2007, 2009-2018 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 <stdio.h>
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22
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23 #if HAVE_GETRLIMIT && HAVE_SETRLIMIT
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24
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25 #include <stdlib.h>
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26 #include <sys/types.h>
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27 #include <sys/time.h>
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28 #include <sys/resource.h>
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29 #include <string.h>
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30 #include <errno.h>
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31
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32 int
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33 main (int argc, char *argv[])
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34 {
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35 struct rlimit limit;
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36 int arg;
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37 int ret;
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38
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39 /* Some printf implementations allocate temporary space with malloc. */
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40 /* On BSD systems, malloc() is limited by RLIMIT_DATA. */
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41 #ifdef RLIMIT_DATA
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42 if (getrlimit (RLIMIT_DATA, &limit) < 0)
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43 return 77;
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44 if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 10000000)
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45 limit.rlim_max = 10000000;
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46 limit.rlim_cur = limit.rlim_max;
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47 if (setrlimit (RLIMIT_DATA, &limit) < 0)
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48 return 77;
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49 #endif
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50 /* On Linux systems, malloc() is limited by RLIMIT_AS. */
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51 #ifdef RLIMIT_AS
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52 if (getrlimit (RLIMIT_AS, &limit) < 0)
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53 return 77;
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54 if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 10000000)
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55 limit.rlim_max = 10000000;
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56 limit.rlim_cur = limit.rlim_max;
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57 if (setrlimit (RLIMIT_AS, &limit) < 0)
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58 return 77;
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59 #endif
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60 /* Some printf implementations allocate temporary space on the stack. */
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61 #ifdef RLIMIT_STACK
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62 if (getrlimit (RLIMIT_STACK, &limit) < 0)
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63 return 77;
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64 if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 10000000)
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65 limit.rlim_max = 10000000;
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66 limit.rlim_cur = limit.rlim_max;
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67 if (setrlimit (RLIMIT_STACK, &limit) < 0)
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68 return 77;
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69 #endif
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70
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71 arg = atoi (argv[1]);
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72 switch (arg)
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73 {
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74 case 0:
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75 {
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76 void *memory = malloc (10000000);
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77 if (memory == NULL)
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78 return 1;
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79 memset (memory, 17, 10000000);
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80 return 78;
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81 }
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82 case 1:
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83 ret = fprintf (stdout, "%.10000000f", 1.0);
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84 return !(ret == 10000002 || (ret < 0 && errno == ENOMEM));
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85 case 2:
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86 ret = fprintf (stdout, "%.10000000f", -1.0);
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87 return !(ret == 10000003 || (ret < 0 && errno == ENOMEM));
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88 case 3:
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89 ret = fprintf (stdout, "%.10000000e", 1.0);
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90 return !(ret >= 10000006 || (ret < 0 && errno == ENOMEM));
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91 case 4:
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92 ret = fprintf (stdout, "%.10000000d", 1);
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93 return !(ret == 10000000 || (ret < 0 && errno == ENOMEM));
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94 case 5:
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95 ret = fprintf (stdout, "%.10000000d", -1);
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96 return !(ret == 10000001 || (ret < 0 && errno == ENOMEM));
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97 case 6:
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98 ret = fprintf (stdout, "%.10000000u", 1);
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99 return !(ret == 10000000 || (ret < 0 && errno == ENOMEM));
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100 }
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101 return 0;
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102 }
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103
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104 #else
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105
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106 int
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107 main (int argc, char *argv[])
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108 {
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109 return 77;
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110 }
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111
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112 #endif