diff options
Diffstat (limited to 'REORG.TODO/support/xmemstream.c')
-rw-r--r-- | REORG.TODO/support/xmemstream.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/REORG.TODO/support/xmemstream.c b/REORG.TODO/support/xmemstream.c new file mode 100644 index 0000000000..bce6dc9170 --- /dev/null +++ b/REORG.TODO/support/xmemstream.c @@ -0,0 +1,42 @@ +/* Error-checking wrappers for memstream functions. + Copyright (C) 2016-2017 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 + <http://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; +} |