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Add <sys/statvfs.h>.

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Bug: 2512019
Change-Id: I6e7fd3fa281977cc4bc270481a95416b5b2dc351
This commit is contained in:
Elliott Hughes
2013-07-09 13:25:03 -07:00
parent 4fc8a0c116
commit 06040fd75c
9 changed files with 198 additions and 8 deletions
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58
libc/bionic/statvfs.cpp Normal file
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@@ -0,0 +1,58 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sys/statvfs.h>
#include <sys/statfs.h>
extern "C" int __statfs64(const char*, size_t, struct statfs*);
extern "C" int __fstatfs64(int, size_t, struct statfs*);
#define ST_VALID 0x0020
static void __statfs_to_statvfs(const struct statfs& in, struct statvfs* out) {
out->f_bsize = in.f_bsize;
out->f_frsize = in.f_frsize;
out->f_blocks = in.f_blocks;
out->f_bfree = in.f_bfree;
out->f_bavail = in.f_bavail;
out->f_files = in.f_files;
out->f_ffree = in.f_ffree;
out->f_favail = in.f_ffree;
out->f_fsid = in.f_fsid.__val[0] | (static_cast<uint64_t>(in.f_fsid.__val[1]) << 32);
out->f_flag = in.f_flags & ~ST_VALID;
out->f_namemax = in.f_namelen;
}
int statvfs(const char* path, struct statvfs* result) {
struct statfs tmp;
int rc = __statfs64(path, sizeof(tmp), &tmp);
if (rc != 0) {
return rc;
}
__statfs_to_statvfs(tmp, result);
return 0;
}
int fstatvfs(int fd, struct statvfs* result) {
struct statfs tmp;
int rc = __fstatfs64(fd, sizeof(tmp), &tmp);
if (rc != 0) {
return rc;
}
__statfs_to_statvfs(tmp, result);
return 0;
}