init: pristine aerc 0.20.0 source

worker/lib/size.go

@@ -0,0 +1,15 @@
+package lib
+
+import (
+	"fmt"
+	"os"
+)
+
+// FileSize returns the size of the file specified by name
+func FileSize(name string) (uint32, error) {
+	fileInfo, err := os.Stat(name)
+	if err != nil {
+		return 0, fmt.Errorf("failed to obtain fileinfo: %w", err)
+	}
+	return uint32(fileInfo.Size()), nil
+}