Add contrib/statfs tool

This should help debugging

https://github.com/rfjakob/gocryptfs/issues/375 and
https://github.com/rfjakob/gocryptfs/issues/274 ,

as MacOS does not have "stat -f".
This commit is contained in:
Jakob Unterwurzacher 2019-03-17 12:48:44 +01:00
parent cd7a686211
commit 5857521b40
2 changed files with 35 additions and 0 deletions

1
contrib/statfs/.gitignore vendored Normal file
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@ -0,0 +1 @@
/statfs

34
contrib/statfs/statfs.go Normal file
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package main
import (
"encoding/json"
"flag"
"fmt"
"os"
"syscall"
)
const (
myName = "statfs"
)
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage: %s PATH\n", myName)
fmt.Fprintf(os.Stderr, "Dump the statfs information for PATH to the console, JSON format.\n")
os.Exit(1)
}
flag.Parse()
if flag.NArg() != 1 {
flag.Usage()
}
path := flag.Arg(0)
var st syscall.Statfs_t
err := syscall.Statfs(path, &st)
if err != nil {
fmt.Fprintf(os.Stderr, "statfs syscall returned error: %v\n", err)
os.Exit(2)
}
jsn, _ := json.MarshalIndent(st, "", "\t")
fmt.Println(string(jsn))
}