| //===-- 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 |