Mercurial > hg > octave-shane > gnulib-hg
annotate tests/test-getndelim2.c @ 17593:d1e383af69e2
manywarnings: remove -Wmudflap
* m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC): Remove -Wmudflap, since
it is no longer supported in gcc-4.9-to-be.
| author | Jim Meyering <meyering@fb.com> |
|---|---|
| date | Thu, 02 Jan 2014 16:55:04 -0800 |
| parents | 344018b6e5d7 |
| children |
| rev | line source |
|---|---|
| 10006 | 1 /* Test of getndelim2() function. |
| 17587 | 2 Copyright (C) 2008-2014 Free Software Foundation, Inc. |
| 10006 | 3 |
| 4 This program is free software; you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 3, or (at your option) | |
| 7 any later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 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/>. */ |
| 10006 | 16 |
| 17 /* Written by Eric Blake <ebb9@byu.net>, 2008. */ | |
| 18 | |
| 19 #include <config.h> | |
| 20 | |
|
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21 #include "getndelim2.h" |
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22 |
| 10006 | 23 #include <stdio.h> |
| 24 #include <stdlib.h> | |
| 25 #include <string.h> | |
| 26 | |
|
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27 #include "macros.h" |
| 10006 | 28 |
| 29 int | |
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30 main (void) |
| 10006 | 31 { |
| 32 FILE *f; | |
| 33 char *line = NULL; | |
| 34 size_t len = 0; | |
| 35 ssize_t result; | |
| 36 | |
| 37 /* Create test file. */ | |
| 38 f = fopen ("test-getndelim2.txt", "wb+"); | |
| 39 if (!f || fwrite ("a\nbc\nd\0f", 1, 8, f) != 8) | |
| 40 { | |
| 41 fputs ("Failed to create sample file.\n", stderr); | |
| 42 remove ("test-getndelim2.txt"); | |
| 43 return 1; | |
| 44 } | |
| 45 rewind (f); | |
| 46 | |
| 47 /* Unlimited lines. */ | |
| 48 | |
| 49 /* Test initial allocation, which must include trailing NUL. */ | |
| 50 result = getndelim2 (&line, &len, 0, GETNLINE_NO_LIMIT, '\n', '\n', f); | |
| 51 ASSERT (result == 2); | |
| 52 ASSERT (strcmp (line, "a\n") == 0); | |
| 53 ASSERT (2 < len); | |
| 54 | |
| 55 /* Test growth of buffer, must not leak. */ | |
| 56 free (line); | |
| 57 line = malloc (1); | |
| 58 len = 0; | |
| 59 result = getndelim2 (&line, &len, 0, GETNLINE_NO_LIMIT, EOF, '\n', f); | |
| 60 ASSERT (result == 3); | |
| 61 ASSERT (strcmp (line, "bc\n") == 0); | |
| 62 ASSERT (3 < len); | |
| 63 | |
| 64 /* Test embedded NULs and EOF behavior. */ | |
| 65 result = getndelim2 (&line, &len, 0, GETNLINE_NO_LIMIT, '\n', EOF, f); | |
| 66 ASSERT (result == 3); | |
| 67 ASSERT (memcmp (line, "d\0f", 4) == 0); | |
| 68 ASSERT (3 < len); | |
| 69 | |
| 70 result = getndelim2 (&line, &len, 0, GETNLINE_NO_LIMIT, '\n', EOF, f); | |
| 71 ASSERT (result == -1); | |
| 72 | |
| 73 /* Using offset and nmax. */ | |
| 74 | |
| 75 /* Limit growth to four bytes, including NUL, but parse to next 'd'. */ | |
| 76 free (line); | |
| 77 rewind (f); | |
| 78 line = malloc (8); | |
| 79 memset (line, 'e', 8); | |
| 80 len = 8; | |
| 81 result = getndelim2 (&line, &len, 6, 10, 'd', 'd', f); | |
| 82 ASSERT (result == 3); | |
| 83 ASSERT (10 == len); | |
| 84 ASSERT (strcmp (line, "eeeeeea\nb") == 0); | |
| 85 | |
| 86 /* No change if offset larger than limit. */ | |
| 87 result = getndelim2 (&line, &len, len, 1, EOF, EOF, f); | |
| 88 ASSERT (result == -1); | |
| 89 ASSERT (10 == len); | |
| 90 ASSERT (strcmp (line, "eeeeeea\nb") == 0); | |
| 91 | |
| 92 /* Consume to end of file, including embedded NUL. */ | |
| 93 result = getndelim2 (&line, &len, 0, GETNLINE_NO_LIMIT, EOF, EOF, f); | |
| 94 ASSERT (result == 2); | |
| 95 ASSERT (10 == len); | |
| 96 ASSERT (memcmp (line, "\0f\0eeea\nb", 10) == 0); | |
| 97 | |
| 98 result = getndelim2 (&line, &len, 0, GETNLINE_NO_LIMIT, '\n', '\r', f); | |
| 99 ASSERT (result == -1); | |
| 100 | |
| 101 /* Larger file size. */ | |
| 102 rewind (f); | |
| 103 { | |
| 104 int i; | |
| 105 for (i = 0; i < 16; i++) | |
| 106 fprintf (f, "%500x%c", i, i % 2 ? '\n' : '\r'); | |
| 107 } | |
| 108 rewind (f); | |
| 109 { | |
| 110 char buffer[502]; | |
| 111 | |
| 112 result = getndelim2 (&line, &len, 0, GETNLINE_NO_LIMIT, '\n', '\r', f); | |
| 113 ASSERT (result == 501); | |
| 114 ASSERT (501 < len); | |
| 115 memset (buffer, ' ', 499); | |
| 116 buffer[499] = '0'; | |
| 117 buffer[500] = '\r'; | |
| 118 buffer[501] = '\0'; | |
| 119 ASSERT (strcmp (buffer, line) == 0); | |
| 120 | |
| 121 result = getndelim2 (&line, &len, 0, GETNLINE_NO_LIMIT, '\n', '\r', f); | |
| 122 ASSERT (result == 501); | |
| 123 ASSERT (501 < len); | |
| 124 buffer[499] = '1'; | |
| 125 buffer[500] = '\n'; | |
| 126 ASSERT (strcmp (buffer, line) == 0); | |
| 127 | |
| 128 result = getndelim2 (&line, &len, 0, GETNLINE_NO_LIMIT, 'g', 'f', f); | |
| 129 ASSERT (result == 501 * 14 - 1); | |
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130 ASSERT (501 * 14 <= len); |
| 10006 | 131 buffer[499] = 'f'; |
| 132 buffer[500] = '\0'; | |
| 133 ASSERT (strcmp (buffer, line + 501 * 13) == 0); | |
| 134 | |
| 135 result = getndelim2 (&line, &len, 501 * 14 - 1, GETNLINE_NO_LIMIT, | |
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136 EOF, EOF, f); |
| 10006 | 137 ASSERT (result == 1); |
| 138 buffer[500] = '\n'; | |
| 139 ASSERT (strcmp (buffer, line + 501 * 13) == 0); | |
| 140 | |
| 141 result = getndelim2 (&line, &len, 501 * 14 - 1, GETNLINE_NO_LIMIT, | |
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142 EOF, EOF, f); |
| 10006 | 143 buffer[500] = '\0'; |
| 144 ASSERT (strcmp (buffer, line + 501 * 13) == 0); | |
| 145 ASSERT (result == -1); | |
| 146 } | |
| 147 | |
| 148 fclose (f); | |
| 149 remove ("test-getndelim2.txt"); | |
| 150 return 0; | |
| 151 } |