annotate tests/test-freadptr.c @ 40224:5d9b82ca550a

tests: Free allocated memory. Reported by <deltatau@protonmail.com> via Assaf Gordon. * tests/test-astrxfrm.c (main): Free allocated memory. * tests/test-bitset.c (compare, check_attributes): Free allocated bitsets. * tests/test-filenamecat.c (main): Free allocated memory. * tests/test-freadahead.c (main): Free allocated memory and close stdin. * tests/test-freadptr.c (main): Likewise. * tests/test-freadptr2.c (main): Free allocated memory. * tests/test-freadseek.c (main): Likewise. * tests/test-gc-arcfour.c (main): Close allocated context. * tests/test-gc-arctwo.c (main): Likewise. * tests/test-gc-des.c (main): Close all allocated contexts. * tests/test-pipe-filter-gi1.c (main): Free allocated memory. * tests/test-pipe-filter-ii1.c (main): Likewise. * tests/test-posix_spawn_file_actions_addchdir.c (main): Destroy the allocated file actions. * tests/test-posix_spawn_file_actions_addclose.c (main): Likewise. * tests/test-posix_spawn_file_actions_adddup2.c (main): Likewise. * tests/test-posix_spawn_file_actions_addopen.c (main): Likewise. * tests/test-sameacls.c (main): Free allocated memory and ACLs. * tests/test-strfmon_l.c (main): Free allocated locales. * tests/test-striconveh.c (main): Free allocated iconv_t objects. * tests/uniconv/test-u8-conv-to-enc.c (main): Free allocated memory. * tests/uniconv/test-u16-conv-to-enc.c (main): Likewise. * tests/uniconv/test-u32-conv-to-enc.c (main): Likewise. * tests/unistr/test-chr.h (main): Free input32. * tests/unistr/test-strchr.h (test_strchr): Likewise.
author Bruno Haible <bruno@clisp.org>
date Sun, 10 Mar 2019 14:05:09 +0100
parents 9626783b417a
children
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1 /* Test of freadptr() function.
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2 Copyright (C) 2007-2019 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>, 2008. */
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18
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19 #include <config.h>
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20
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21 #include "freadptr.h"
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22
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23 #include <stdlib.h>
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24 #include <string.h>
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25 #include <unistd.h>
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26
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27 #include "macros.h"
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29 int
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30 main (int argc, char **argv)
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31 {
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32 int nbytes = atoi (argv[1]);
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33 {
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34 void *buf = malloc (nbytes);
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35 ASSERT (fread (buf, 1, nbytes, stdin) == nbytes);
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36 free (buf);
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37 }
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38
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39 if (lseek (0, 0, SEEK_CUR) == nbytes)
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40 {
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41 /* An unbuffered stdio, such as BeOS or on uClibc compiled without
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42 __STDIO_BUFFERS. Or stdin is a pipe. */
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43 size_t size;
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44 ASSERT (freadptr (stdin, &size) == NULL);
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45 }
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46 else
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47 {
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48 /* Normal buffered stdio. */
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49 const char stdin_contents[] =
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50 "#!/bin/sh\n\n${CHECKER} ./test-freadptr${EXEEXT} 5 < \"$srcdir/test-freadptr.sh\" || exit 1\ncat \"$srcdir/test-freadptr.sh\" | ${CHECKER} ./test-freadptr${EXEEXT} 5 || exit 1\nexit 0\n";
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51 const char *expected = stdin_contents + nbytes;
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52 size_t available1;
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53 size_t available2;
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54 size_t available3;
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55
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56 /* Test normal behaviour. */
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57 {
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58 const char *ptr = freadptr (stdin, &available1);
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59
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60 ASSERT (ptr != NULL);
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61 ASSERT (available1 != 0);
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62 ASSERT (available1 <= strlen (expected));
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63 ASSERT (memcmp (ptr, expected, available1) == 0);
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64 }
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65
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66 /* Test behaviour after normal ungetc. */
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67 ungetc (fgetc (stdin), stdin);
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68 {
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69 const char *ptr = freadptr (stdin, &available2);
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70
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71 if (ptr != NULL)
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72 {
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73 ASSERT (available2 == available1);
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74 ASSERT (memcmp (ptr, expected, available2) == 0);
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75 }
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76 }
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77
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78 /* Test behaviour after arbitrary ungetc. */
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79 fgetc (stdin);
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80 ungetc ('@', stdin);
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81 {
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82 const char *ptr = freadptr (stdin, &available3);
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83
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84 if (ptr != NULL)
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85 {
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86 ASSERT (available3 == 1 || available3 == available1);
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87 ASSERT (ptr[0] == '@');
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88 if (available3 > 1)
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89 {
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90 ASSERT (memcmp (ptr + 1, expected + 1, available3 - 1) == 0);
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91 }
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92 }
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93 }
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94 }
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95
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96 /* Free memory allocated during ungetc(). */
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97 fclose (stdin);
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98
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99 return 0;
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100 }