1 files changed, 41 insertions, 0 deletions

diff --git a/meta/recipes-core/systemd/systemd/0019-errno-util-Make-STRERROR-portable-for-musl.patch b/meta/recipes-core/systemd/systemd/0019-errno-util-Make-STRERROR-portable-for-musl.patch
new file mode 100644
index 0000000000..56083cc7b3
--- /dev/null
+++ b/meta/recipes-core/systemd/systemd/0019-errno-util-Make-STRERROR-portable-for-musl.patch
@@ -0,0 +1,41 @@
+From 28fa1d5f56c6ddee9e336e6f2051c55e9f2f98b4 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Mon, 23 Jan 2023 23:39:46 -0800
+Subject: [PATCH 19/26] errno-util: Make STRERROR portable for musl
+
+Sadly, systemd has decided to use yet another GNU extention in a macro
+lets make this such that we can use XSI compliant strerror_r() for
+non-glibc hosts
+
+Upstream-Status: Inappropriate [musl specific]
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/basic/errno-util.h | 10 +++++++++-
+ 1 file changed, 9 insertions(+), 1 deletion(-)
+
+diff --git a/src/basic/errno-util.h b/src/basic/errno-util.h
+index 48b76e4bf7..6e7653e2d9 100644
+--- a/src/basic/errno-util.h
++++ b/src/basic/errno-util.h
+@@ -15,8 +15,16 @@
+  * https://stackoverflow.com/questions/34880638/compound-literal-lifetime-and-if-blocks
+  *
+  * Note that we use the GNU variant of strerror_r() here. */
+-#define STRERROR(errnum) strerror_r(abs(errnum), (char[ERRNO_BUF_LEN]){}, ERRNO_BUF_LEN)
++static inline const char * STRERROR(int errnum);
+ 
++static inline const char * STRERROR(int errnum) {
++#ifdef __GLIBC__
++        return strerror_r(abs(errnum), (char[ERRNO_BUF_LEN]){}, ERRNO_BUF_LEN);
++#else
++        static __thread char buf[ERRNO_BUF_LEN];
++        return strerror_r(abs(errnum), buf, ERRNO_BUF_LEN) ? "unknown error" : buf;
++#endif
++}
+ /* A helper to print an error message or message for functions that return 0 on EOF.
+  * Note that we can't use ({ … }) to define a temporary variable, so errnum is
+  * evaluated twice. */
+-- 
+2.34.1
+