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;