From: Stacey Son <s...@freebsd.org>
Implement the following syscalls:
statfs(2)
fstatfs(2)
getfsstat(2)
Signed-off-by: Stacey Son <s...@freebsd.org>
Signed-off-by: Karim Taha <kariem.taha...@gmail.com>
---
bsd-user/freebsd/os-stat.h | 69 ++++++++++++++++++++++++++++++++++++++
1 file changed, 69 insertions(+)
diff --git a/bsd-user/freebsd/os-stat.h b/bsd-user/freebsd/os-stat.h
index 935663c071..9492c93c55 100644
--- a/bsd-user/freebsd/os-stat.h
+++ b/bsd-user/freebsd/os-stat.h
@@ -210,4 +210,73 @@ static inline abi_long do_freebsd_fhstatfs(abi_ulong
target_fhp_addr,
return h2t_freebsd_statfs(target_stfs_addr, &host_stfs);
}
+/* statfs(2) */
+static inline abi_long do_freebsd_statfs(abi_long arg1, abi_long arg2)
+{
+ abi_long ret;
+ void *p;
+ struct statfs host_stfs;
+
+ LOCK_PATH(p, arg1);
+ ret = get_errno(statfs(path(p), &host_stfs));
+ UNLOCK_PATH(p, arg1);
+ if (is_error(ret)) {
+ return ret;
+ }
+
+ return h2t_freebsd_statfs(arg2, &host_stfs);
+}
+
+/* fstatfs(2) */
+static inline abi_long do_freebsd_fstatfs(abi_long fd, abi_ulong target_addr)
+{
+ abi_long ret;
+ struct statfs host_stfs;
+
+ ret = get_errno(fstatfs(fd, &host_stfs));
+ if (is_error(ret)) {
+ return ret;
+ }
+
+ return h2t_freebsd_statfs(target_addr, &host_stfs);
+}
+
+/* getfsstat(2) */
+static inline abi_long do_freebsd_getfsstat(abi_ulong target_addr,
+ abi_long bufsize, abi_long flags)
+{
+ abi_long ret;
+ struct statfs *host_stfs;
+ int count;
+ long host_bufsize;
+
+ count = bufsize / sizeof(struct target_statfs);
+
+ /* if user buffer is NULL then return number of mounted FS's */
+ if (target_addr == 0 || count == 0) {
+ return get_errno(freebsd11_getfsstat(NULL, 0, flags));
+ }
+
+ /* XXX check count to be reasonable */
+ host_bufsize = sizeof(struct statfs) * count;
+ host_stfs = alloca(host_bufsize);
+ if (!host_stfs) {
+ return -TARGET_EINVAL;
+ }
+
+ ret = count = get_errno(getfsstat(host_stfs, host_bufsize, flags));
+ if (is_error(ret)) {
+ return ret;
+ }
+
+ while (count--) {
+ if (h2t_freebsd_statfs((target_addr +
+ (count * sizeof(struct target_statfs))),
+ &host_stfs[count])) {
+ return -TARGET_EFAULT;
+ }
+ }
+ return ret;
+}
+
#endif /* BSD_USER_FREEBSD_OS_STAT_H */
--
2.40.0
