1 //===-- Linux implementation of statvfs -----------------------------------===// 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/statvfs.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, statvfs, 18 (const char *__restrict path, 19 struct statvfs *__restrict buf)) { 20 using namespace statfs_utils; 21 cpp::optional<LinuxStatFs> result = linux_statfs(path); 22 if (result) { 23 LIBC_ASSERT(buf != nullptr); 24 *buf = statfs_to_statvfs(*result); 25 } 26 return result ? 0 : -1; 27 } 28 29 } // namespace LIBC_NAMESPACE_DECL 30