glibc/support/support_readdir_check.c
Florian Weimer 3b1d321776 support: Add <support/xdirent.h>
Use static functions for readdir/readdir_r, so that
-D_FILE_OFFSET_BITS=64 does not improperly redirect calls to the wrong
implementation.

Reviewed-by: DJ Delorie <dj@redhat.com>
2024-09-05 12:05:32 +02:00

31 lines
1.1 KiB
C

/* Error-checking helper for xreaddir, xreaddir64.
Copyright (C) 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 <support/xdirent.h>
#include <support/check.h>
void *
support_readdir_check (const char *name, void *result, int saved_errno)
{
if (result == NULL && errno != 0)
FAIL_EXIT1 ("%s: %m", name);
errno = saved_errno;
return result;
}