43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/* Error-checking wrappers for memstream functions.
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Copyright (C) 2016-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <support/xmemstream.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <support/check.h>
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#include <support/xstdio.h>
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void
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xopen_memstream (struct xmemstream *stream)
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{
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int old_errno = errno;
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*stream = (struct xmemstream) {};
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stream->out = open_memstream (&stream->buffer, &stream->length);
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if (stream->out == NULL)
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FAIL_EXIT1 ("open_memstream: %m");
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errno = old_errno;
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}
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void
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xfclose_memstream (struct xmemstream *stream)
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{
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xfclose (stream->out);
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stream->out = NULL;
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}
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