1 #include "libc.h"
2 #include <errno.h>
3 #include <sys/statfs.h>
4 #include <sys/statvfs.h>
5
__statfs(const char * path,struct statfs * buf)6 int __statfs(const char* path, struct statfs* buf) {
7 *buf = (struct statfs){};
8 errno = ENOSYS;
9 return -1;
10 }
11
__fstatfs(int fd,struct statfs * buf)12 int __fstatfs(int fd, struct statfs* buf) {
13 *buf = (struct statfs){};
14 errno = ENOSYS;
15 return -1;
16 }
17
18 weak_alias(__statfs, statfs);
19 weak_alias(__fstatfs, fstatfs);
20
fixup(struct statvfs * out,const struct statfs * in)21 static void fixup(struct statvfs* out, const struct statfs* in) {
22 *out = (struct statvfs){};
23 out->f_bsize = in->f_bsize;
24 out->f_frsize = in->f_frsize ? in->f_frsize : in->f_bsize;
25 out->f_blocks = in->f_blocks;
26 out->f_bfree = in->f_bfree;
27 out->f_bavail = in->f_bavail;
28 out->f_files = in->f_files;
29 out->f_ffree = in->f_ffree;
30 out->f_favail = in->f_ffree;
31 out->f_fsid = in->f_fsid.__val[0];
32 out->f_flag = in->f_flags;
33 out->f_namemax = in->f_namelen;
34 }
35
statvfs(const char * restrict path,struct statvfs * restrict buf)36 int statvfs(const char* restrict path, struct statvfs* restrict buf) {
37 struct statfs kbuf;
38 if (__statfs(path, &kbuf) < 0)
39 return -1;
40 fixup(buf, &kbuf);
41 return 0;
42 }
43
fstatvfs(int fd,struct statvfs * buf)44 int fstatvfs(int fd, struct statvfs* buf) {
45 struct statfs kbuf;
46 if (__fstatfs(fd, &kbuf) < 0)
47 return -1;
48 fixup(buf, &kbuf);
49 return 0;
50 }
51