sandbox: wrap fmsg interface

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 20 insertions, 0 deletions

diff --git a/system/output.go b/system/output.go
new file mode 100644
index 00000000..daf43864
--- /dev/null
+++ b/system/output.go
@@ -0,0 +1,20 @@
+package system
+
+import "git.gensokyo.uk/security/fortify/internal/sandbox"
+
+var msg sandbox.Msg = new(sandbox.DefaultMsg)
+
+func SetOutput(v sandbox.Msg) {
+	if v == nil {
+		msg = new(sandbox.DefaultMsg)
+	} else {
+		msg = v
+	}
+}
+
+func wrapErrSuffix(err error, a ...any) error {
+	if err == nil {
+		return nil
+	}
+	return msg.WrapErr(err, append(a, err)...)
+}