fusefrontend: make Readlink() symlink-safe

Now symlink-safe through Readlinkat().

1 files changed, 2 insertions, 4 deletions

diff --git a/internal/syscallcompat/sys_common.go b/internal/syscallcompat/sys_common.go
index c1fd00a..33ed807 100644
--- a/internal/syscallcompat/sys_common.go
+++ b/internal/syscallcompat/sys_common.go
@@ -10,10 +10,8 @@ import (
 // It is not defined on Darwin, so we use the Linux value.
 const PATH_MAX = 4096
 
-// Readlinkat exists both in Linux and in MacOS 10.10+. We may add an
-// emulated version for users on older MacOS versions if there is
-// demand.
-// Buffer allocation is handled internally, unlike the bare unix.Readlinkat.
+// Readlinkat is a convenience wrapper around unix.Readlinkat() that takes
+// care of buffer sizing. Implemented like os.Readlink().
 func Readlinkat(dirfd int, path string) (string, error) {
 	// Allocate the buffer exponentially like os.Readlink does.
 	for bufsz := 128; ; bufsz *= 2 {