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/* Error-checking wrappers for memstream functions.
Copyright (C) 2016-2021 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/xmemstream.h>
#include <errno.h>
#include <stdlib.h>
#include <support/check.h>
#include <support/xstdio.h>
void
xopen_memstream (struct xmemstream *stream)
{
int old_errno = errno;
*stream = (struct xmemstream) {};
stream->out = open_memstream (&stream->buffer, &stream->length);
if (stream->out == NULL)
FAIL_EXIT1 ("open_memstream: %m");
errno = old_errno;
}
void
xfclose_memstream (struct xmemstream *stream)
{
xfclose (stream->out);
stream->out = NULL;
}
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