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/* Test getdelim conforming to POSIX specifications.
Note: Most getdelim use cases are covered by stdio-common/tst-getline.
Copyright (C) 2023-2024 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 <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <support/check.h>
#include <support/support.h>
#include <support/test-driver.h>
static int
do_test (void)
{
/* Check that getdelim sets error indicator on error (BZ #29917) */
clearerr (stdin);
TEST_VERIFY (getdelim (0, 0, '\n', stdin) == -1);
TEST_VERIFY (ferror (stdin) != 0);
TEST_VERIFY (errno == EINVAL);
/* Test getdelim with NUL as delimiter */
verbose_printf ("Testing NUL delimiter\n");
char *lineptr = NULL;
size_t linelen = 0;
char membuf[] = "abc\0d\nef\0";
FILE *memstream = fmemopen (membuf, sizeof (membuf), "r");
TEST_VERIFY_EXIT (memstream != NULL);
TEST_VERIFY (getdelim (&lineptr, &linelen, '\0', memstream) != -1);
TEST_COMPARE_BLOB (lineptr, 4, "abc\0", 4);
TEST_VERIFY (getdelim (&lineptr, &linelen, '\0', memstream) != -1);
TEST_COMPARE_BLOB (lineptr, 5, "d\nef\0", 5);
fclose (memstream);
free (lineptr);
return 0;
}
#include <support/test-driver.c>
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