1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include <sys/statvfs.h> 18 19#include <sys/statfs.h> 20 21extern "C" int __statfs64(const char*, size_t, struct statfs*); 22extern "C" int __fstatfs64(int, size_t, struct statfs*); 23 24#define ST_VALID 0x0020 25 26#if defined(__mips__) 27#define __val val 28#endif 29 30static void __statfs_to_statvfs(const struct statfs& in, struct statvfs* out) { 31 out->f_bsize = in.f_bsize; 32 out->f_frsize = in.f_frsize; 33 out->f_blocks = in.f_blocks; 34 out->f_bfree = in.f_bfree; 35 out->f_bavail = in.f_bavail; 36 out->f_files = in.f_files; 37 out->f_ffree = in.f_ffree; 38 out->f_favail = in.f_ffree; 39 out->f_fsid = in.f_fsid.__val[0] | (static_cast<uint64_t>(in.f_fsid.__val[1]) << 32); 40 out->f_flag = in.f_flags & ~ST_VALID; 41 out->f_namemax = in.f_namelen; 42} 43 44int statvfs(const char* path, struct statvfs* result) { 45 struct statfs tmp; 46 int rc = __statfs64(path, sizeof(tmp), &tmp); 47 if (rc != 0) { 48 return rc; 49 } 50 __statfs_to_statvfs(tmp, result); 51 return 0; 52} 53 54int fstatvfs(int fd, struct statvfs* result) { 55 struct statfs tmp; 56 int rc = __fstatfs64(fd, sizeof(tmp), &tmp); 57 if (rc != 0) { 58 return rc; 59 } 60 __statfs_to_statvfs(tmp, result); 61 return 0; 62} 63