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//===-- Linux implementation of fstatvfs ----------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/sys/statvfs/fstatvfs.h"
#include "src/__support/common.h"
#include "src/__support/libc_assert.h"
#include "src/__support/macros/config.h"
#include "src/sys/statvfs/linux/statfs_utils.h"
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(int, fstatvfs, (int fd, struct statvfs *buf)) {
using namespace statfs_utils;
cpp::optional<LinuxStatFs> result = linux_fstatfs(fd);
if (result) {
LIBC_ASSERT(buf != nullptr);
*buf = statfs_to_statvfs(*result);
}
return result ? 0 : -1;
}
} // namespace LIBC_NAMESPACE_DECL
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