| 1 | //===-- Linux implementation of fstatvfs ----------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "src/sys/statvfs/fstatvfs.h" |
| 10 | #include "src/__support/common.h" |
| 11 | #include "src/__support/libc_assert.h" |
| 12 | #include "src/__support/macros/config.h" |
| 13 | #include "src/sys/statvfs/linux/statfs_utils.h" |
| 14 | |
| 15 | namespace LIBC_NAMESPACE_DECL { |
| 16 | |
| 17 | LLVM_LIBC_FUNCTION(int, fstatvfs, (int fd, struct statvfs *buf)) { |
| 18 | using namespace statfs_utils; |
| 19 | cpp::optional<LinuxStatFs> result = linux_fstatfs(fd); |
| 20 | if (result) { |
| 21 | LIBC_ASSERT(buf != nullptr); |
| 22 | *buf = statfs_to_statvfs(*result); |
| 23 | } |
| 24 | return result ? 0 : -1; |
| 25 | } |
| 26 | |
| 27 | } // namespace LIBC_NAMESPACE_DECL |
| 28 |