Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/basic/errno-list.h b/src/basic/errno-list.h
new file mode 100644
index 0000000..082b833
--- /dev/null
+++ b/src/basic/errno-list.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+/*
+ * MAX_ERRNO is defined as 4095 in linux/err.h
+ * We use the same value here.
+ */
+#define ERRNO_MAX 4095
+
+const char *errno_to_name(int id);
+int errno_from_name(const char *name);
+static inline bool errno_is_valid(int n) {
+        return n > 0 && n <= ERRNO_MAX;
+}