From d41c7d48fe1254d5dea884365444a16ee42bdb1c Mon Sep 17 00:00:00 2001
From: Zeph / Liz Loss-Cutler-Hull <warp@aehallh.com>
Date: Tue, 31 Oct 2023 20:24:39 -0700
Subject: [PATCH] Export ToFileMode and FromFileMode.

For the sake of sanity, we really should be offering _some_ way for
users of memfile to get the file mode right.  These two are what we use
internally, so they make perfect sense to expose.
---
 attrs.go         | 4 ++--
 client.go        | 2 +-
 ls_formatting.go | 2 +-
 stat_posix.go    | 8 ++++----
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/attrs.go b/attrs.go
index 758cd4ff..97c42a9c 100644
--- a/attrs.go
+++ b/attrs.go
@@ -32,7 +32,7 @@ func (fi *fileInfo) Name() string { return fi.name }
 func (fi *fileInfo) Size() int64 { return int64(fi.stat.Size) }
 
 // Mode returns file mode bits.
-func (fi *fileInfo) Mode() os.FileMode { return toFileMode(fi.stat.Mode) }
+func (fi *fileInfo) Mode() os.FileMode { return ToFileMode(fi.stat.Mode) }
 
 // ModTime returns the last modification time of the file.
 func (fi *fileInfo) ModTime() time.Time { return time.Unix(int64(fi.stat.Mtime), 0) }
@@ -92,7 +92,7 @@ func fileStatFromInfo(fi os.FileInfo) (uint32, *FileStat) {
 
 	fileStat := &FileStat{
 		Size:  uint64(fi.Size()),
-		Mode:  fromFileMode(fi.Mode()),
+		Mode:  FromFileMode(fi.Mode()),
 		Mtime: uint32(mtime),
 		Atime: uint32(atime),
 	}
diff --git a/client.go b/client.go
index e10518b2..af4aa6b0 100644
--- a/client.go
+++ b/client.go
@@ -2009,7 +2009,7 @@ func flags(f int) uint32 {
 
 // toChmodPerm converts Go permission bits to POSIX permission bits.
 //
-// This differs from fromFileMode in that we preserve the POSIX versions of
+// This differs from FromFileMode in that we preserve the POSIX versions of
 // setuid, setgid and sticky in m, because we've historically supported those
 // bits, and we mask off any non-permission bits.
 func toChmodPerm(m os.FileMode) (perm uint32) {
diff --git a/ls_formatting.go b/ls_formatting.go
index 19271ad7..e0c069fa 100644
--- a/ls_formatting.go
+++ b/ls_formatting.go
@@ -47,7 +47,7 @@ func runLs(idLookup NameLookupFileLister, dirent os.FileInfo) string {
 	// format:
 	// {directory / char device / etc}{rwxrwxrwx}  {number of links} owner group size month day [time (this year) | year (otherwise)] name
 
-	symPerms := sshfx.FileMode(fromFileMode(dirent.Mode())).String()
+	symPerms := sshfx.FileMode(FromFileMode(dirent.Mode())).String()
 
 	var numLinks uint64 = 1
 	uid, gid := "0", "0"
diff --git a/stat_posix.go b/stat_posix.go
index 5b870e23..bc5160c3 100644
--- a/stat_posix.go
+++ b/stat_posix.go
@@ -49,8 +49,8 @@ func isRegular(mode uint32) bool {
 	return mode&S_IFMT == syscall.S_IFREG
 }
 
-// toFileMode converts sftp filemode bits to the os.FileMode specification
-func toFileMode(mode uint32) os.FileMode {
+// ToFileMode converts sftp filemode bits to the os.FileMode specification
+func ToFileMode(mode uint32) os.FileMode {
 	var fm = os.FileMode(mode & 0777)
 
 	switch mode & S_IFMT {
@@ -83,8 +83,8 @@ func toFileMode(mode uint32) os.FileMode {
 	return fm
 }
 
-// fromFileMode converts from the os.FileMode specification to sftp filemode bits
-func fromFileMode(mode os.FileMode) uint32 {
+// FromFileMode converts from the os.FileMode specification to sftp filemode bits
+func FromFileMode(mode os.FileMode) uint32 {
 	ret := uint32(mode & os.ModePerm)
 
 	switch mode & os.ModeType {