forked from TrueCloudLab/restic
30 lines
711 B
Go
30 lines
711 B
Go
|
package fstestutil
|
||
|
|
|
||
|
|
import (
|
||
|
|
"regexp"
|
||
|
|
"syscall"
|
||
|
|
)
|
||
|
|
|
||
|
|
var re = regexp.MustCompile(`\\(.)`)
|
||
|
|
|
||
|
|
// unescape removes backslash-escaping. The escaped characters are not
|
||
|
|
// mapped in any way; that is, unescape(`\n` ) == `n`.
|
||
|
|
func unescape(s string) string {
|
||
|
|
return re.ReplaceAllString(s, `$1`)
|
||
|
|
}
|
||
|
|
|
||
|
|
func getMountInfo(mnt string) (*MountInfo, error) {
|
||
|
|
var st syscall.Statfs_t
|
||
|
|
err := syscall.Statfs(mnt, &st)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
i := &MountInfo{
|
||
|
|
// osx getmntent(3) fails to un-escape the data, so we do it..
|
||
|
|
// this might lead to double-unescaping in the future. fun.
|
||
|
|
// TestMountOptionFSNameEvilBackslashDouble checks for that.
|
||
|
|
FSName: unescape(cstr(st.Mntfromname[:])),
|
||
|
|
}
|
||
|
|
return i, nil
|
||
|
|
}
|