[tinygo] cmds/core/df: use os.Stat instead of unix.Stat() to retrieve…

… device number

Signed-off-by: Roger Standridge <[email protected]>

cmds/core/df/dev.go

@@ -2,19 +2,29 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !tinygo && !(mips || mips64 || mips64le || mipsle || plan9 || windows)
+//go:build !(mips || mips64 || mips64le || mipsle || plan9 || windows)
 
 package main
 
 import (
-	"golang.org/x/sys/unix"
+	"fmt"
+	"os"
+	"syscall"
 )
 
 func deviceNumber(path string) (uint64, error) {
-	st := &unix.Stat_t{}
-	err := unix.Stat(path, st)
+
+	// stat()
+	fi, err := os.Stat(path)
 	if err != nil {
 		return 0, err
 	}
+
+	// retrieve device number
+	st, ok := fi.Sys().(*syscall.Stat_t)
+	if !ok {
+		return 0, fmt.Errorf("stat %v: error retrieving devno", path)
+	}
+
 	return st.Dev, nil
 }

cmds/core/df/df.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !tinygo && !plan9 && !windows
+//go:build !plan9 && !windows
 
 // df reports details of mounted filesystems.
 //

cmds/core/df/df_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !tinygo && !plan9 && !windows
+//go:build !plan9 && !windows
 
 package main
 

tools/tinygobb/README.md

@@ -13,9 +13,9 @@ The neccessary additions to tinygo will be tracked in the according issue that t
 
 ## command list
 ### core
-41 tinygo build errors found.
+40 tinygo build errors found.
+
  - [ ] `bind`
- - [ ] `df`
  - [ ] `dhclient`
  - [ ] `dmesg`
  - [ ] `fusermount`
@@ -55,7 +55,7 @@ The neccessary additions to tinygo will be tracked in the according issue that t
  - [ ] `which`
  - [ ] `nohup`
 
-64 cmds build successful
+65 cmds build successful
 - [x] `backoff`
 - [x] `base64`
 - [x] `basename`
@@ -69,6 +69,7 @@ The neccessary additions to tinygo will be tracked in the according issue that t
 - [x] `cpio`
 - [x] `date`
 - [x] `dd`
+- [x] `df`
 - [x] `dirname`
 - [x] `echo`
 - [x] `false`
@@ -182,4 +183,3 @@ The neccessary additions to tinygo will be tracked in the according issue that t
 - [x] `watch`
 - [x] `zbi`
 - [x] `zimage`
-