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/* fopen with error checking.
Copyright (C) 2020-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <support/xstdio.h>
#include <support/check.h>
size_t
xgetline (char **lineptr, size_t *n, FILE *stream)
{
TEST_VERIFY (!ferror (stream));
ssize_t ret = getline (lineptr, n, stream);
if (ferror (stream))
{
TEST_VERIFY (ret < 0);
FAIL_EXIT1 ("getline: %m");
}
if (feof (stream))
{
TEST_VERIFY (ret <= 0);
return 0;
}
TEST_VERIFY (ret > 0);
return ret;
}
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