errno: add new ERRNO_IS_NOT_SUPPORTED() helper

2026-08-09 01:20:53 +00:00 · 2019-07-15 13:32:03 +02:00
parent 25f9288e31
commit e6376b6a41
1 changed files with 8 additions and 0 deletions
--- a/src/basic/errno-util.h
+++ b/src/basic/errno-util.h
@@ -86,3 +86,11 @@ static inline bool ERRNO_IS_RESOURCE(int r) {
                      ENFILE,
                      ENOMEM);
 }
+
+/* Three different errors for "operation/system call/ioctl not supported" */
+static inline bool ERRNO_IS_NOT_SUPPORTED(int r) {
+        return IN_SET(abs(r),
+                      EOPNOTSUPP,
+                      ENOTTY,
+                      ENOSYS);
+}