1#include <sys/statvfs.h>
2#include <sys/statfs.h>
3#include "syscall.h"
4#include "libc.h"
5
6int __statfs(const char *path, struct statfs *buf)
7{
8	*buf = (struct statfs){0};
9#ifdef SYS_statfs64
10	return syscall(SYS_statfs64, path, sizeof *buf, buf);
11#else
12	return syscall(SYS_statfs, path, buf);
13#endif
14}
15
16int __fstatfs(int fd, struct statfs *buf)
17{
18	*buf = (struct statfs){0};
19#ifdef SYS_fstatfs64
20	return syscall(SYS_fstatfs64, fd, sizeof *buf, buf);
21#else
22	return syscall(SYS_fstatfs, fd, buf);
23#endif
24}
25
26weak_alias(__statfs, statfs);
27weak_alias(__fstatfs, fstatfs);
28
29static void fixup(struct statvfs *out, const struct statfs *in)
30{
31	*out = (struct statvfs){0};
32	out->f_bsize = in->f_bsize;
33	out->f_frsize = in->f_frsize ? in->f_frsize : in->f_bsize;
34	out->f_blocks = in->f_blocks;
35	out->f_bfree = in->f_bfree;
36	out->f_bavail = in->f_bavail;
37	out->f_files = in->f_files;
38	out->f_ffree = in->f_ffree;
39	out->f_favail = in->f_ffree;
40	out->f_fsid = in->f_fsid.__val[0];
41	out->f_flag = in->f_flags;
42	out->f_namemax = in->f_namelen;
43}
44
45int statvfs(const char *restrict path, struct statvfs *restrict buf)
46{
47	struct statfs kbuf;
48	if (__statfs(path, &kbuf)<0) return -1;
49	fixup(buf, &kbuf);
50	return 0;
51}
52
53int fstatvfs(int fd, struct statvfs *buf)
54{
55	struct statfs kbuf;
56	if (__fstatfs(fd, &kbuf)<0) return -1;
57	fixup(buf, &kbuf);
58	return 0;
59}
60
61LFS64(statvfs);
62LFS64(statfs);
63LFS64(fstatvfs);
64LFS64(fstatfs);
65