Hide errno utility functions

1 files changed, 20 insertions, 0 deletions

diff --git a/src/errno_status.h b/src/errno_status.h
new file mode 100644
index 0000000..da26b66
--- /dev/null
+++ b/src/errno_status.h
@@ -0,0 +1,20 @@
+// Copyright 2022 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#ifndef ZIX_ERRNO_STATUS_H
+#define ZIX_ERRNO_STATUS_H
+
+#include "zix/attributes.h"
+#include "zix/common.h"
+
+/// Return an errno value converted to a status code
+ZIX_CONST_FUNC
+ZixStatus
+zix_errno_status(int e);
+
+/// Return success if `r` is non-zero, or `errno` as a status code otherwise
+ZIX_PURE_FUNC
+ZixStatus
+zix_errno_status_if(int r);
+
+#endif // ZIX_ERRNO_STATUS_H