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dfe9aa91 AZ |
1 | /* fopen with error checking. |
2 | Copyright (C) 2020 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <support/xstdio.h> | |
20 | #include <support/check.h> | |
dfe9aa91 | 21 | |
cea56af1 | 22 | size_t |
dfe9aa91 AZ |
23 | xgetline (char **lineptr, size_t *n, FILE *stream) |
24 | { | |
cea56af1 FW |
25 | TEST_VERIFY (!ferror (stream)); |
26 | ssize_t ret = getline (lineptr, n, stream); | |
27 | if (ferror (stream)) | |
28 | { | |
29 | TEST_VERIFY (ret < 0); | |
30 | FAIL_EXIT1 ("getline: %m"); | |
31 | } | |
32 | if (feof (stream)) | |
33 | { | |
34 | TEST_VERIFY (ret <= 0); | |
35 | return 0; | |
36 | } | |
37 | TEST_VERIFY (ret > 0); | |
dfe9aa91 AZ |
38 | return ret; |
39 | } |