Filter: Merged filter line item dumpers into common generated source

nest/a-set.c

@@ -72,15 +72,12 @@ ec_format(byte *buf, u64 ec)
   char tbuf[16], *kind;
 
   type = ec >> 48;
-  switch (type & 0xf0ff)
-    {
-    case EC_RT: kind = "rt"; break;
-    case EC_RO: kind = "ro"; break;
+  kind = ec_subtype_str(type & 0xf0ff);
 
-    default:
-      kind = tbuf;
-      bsprintf(kind, "unknown 0x%x", type);
-    }
+  if (!kind) {
+    kind = tbuf;
+    bsprintf(kind, "unknown 0x%x", type);
+  }
 
   switch (ec >> 56)
     {

nest/attrs.h

@@ -125,6 +125,14 @@ enum ec_subtype {
   EC_GENERIC = 0xFFFF,
 };
 
+static inline const char *ec_subtype_str(const enum ec_subtype ecs) {
+  switch (ecs) {
+    case EC_RT: return "rt";
+    case EC_RO: return "ro";
+    default: return NULL;
+  }
+}
+
 /* Transitive bit (for first u32 half of EC) */
 #define EC_TBIT 0x40000000