From c078d4d4bc3a61d186a98e03afc699b11134e09f Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 20 Nov 2019 12:22:40 +0100
Subject: [PATCH] errno-util: add ERRNO_IS_PRIVILEGE() helper

(cherry picked from commit e884e000714c2db006384058a63788ffcce8c8b8)

Related: #1977569
---
 src/basic/util.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/basic/util.h b/src/basic/util.h
index c70467f98c..76b76d7e91 100644
--- a/src/basic/util.h
+++ b/src/basic/util.h
@@ -170,6 +170,13 @@ static inline int negative_errno(void) {
         return -errno;
 }
 
+/* Two different errors for access problems */
+static inline bool ERRNO_IS_PRIVILEGE(int r) {
+        return IN_SET(abs(r),
+                      EACCES,
+                      EPERM);
+}
+
 static inline unsigned u64log2(uint64_t n) {
 #if __SIZEOF_LONG_LONG__ == 8
         return (n > 1) ? (unsigned) __builtin_clzll(n) ^ 63U : 0;