common fstab and libc funcs

1 files changed, 2 insertions, 14 deletions

diff --git a/kvmd/helpers/swapfiles/__init__.py b/kvmd/helpers/swapfiles/__init__.py
index 3675d709..c0e271c4 100644
--- a/kvmd/helpers/swapfiles/__init__.py
+++ b/kvmd/helpers/swapfiles/__init__.py
@@ -22,12 +22,8 @@
 
 import sys
 import os
-import ctypes
-import ctypes.util
 
-from ctypes import c_int
-from ctypes import c_uint
-from ctypes import c_char_p
+from ... import libc
 
 
 # =====
@@ -35,14 +31,6 @@ def main() -> None:
     if len(sys.argv) != 3:
         raise SystemExit(f"Usage: {sys.argv[0]} <file1> <file2>")
 
-    path = ctypes.util.find_library("c")
-    if not path:
-        raise SystemExit("Where is libc?")
-    assert path
-    libc = ctypes.CDLL(path)
-    libc.renameat2.restype = c_int
-    libc.renameat2.argtypes = [c_int, c_char_p, c_int, c_char_p, c_uint]
-
     result = libc.renameat2(
         -100,  # AT_FDCWD
         os.fsencode(sys.argv[1]),
@@ -52,4 +40,4 @@ def main() -> None:
     )
 
     if result != 0:
-        raise SystemExit(f"{sys.argv[0]}: {os.strerror(ctypes.get_errno())}")
+        raise SystemExit(f"{sys.argv[0]}: {os.strerror(libc.get_errno())}")