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/* mmap with error checking.
Copyright (C) 2016-2023 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/check.h>
#include <support/xunistd.h>
#include <sys/mman.h>
void *
xmmap (void *addr, size_t length, int prot, int flags, int fd)
{
void *result = mmap (addr, length, prot, flags, fd, 0);
if (result == MAP_FAILED)
FAIL_EXIT1 ("mmap of %zu bytes, prot=0x%x, flags=0x%x: %m",
length, prot, flags);
return result;
}
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