flowbits: toggle returns state of the bit

src/flow-bit.c

@@ -91,13 +91,18 @@ void FlowBitUnset(Flow *f, uint32_t idx)
     FlowBitRemove(f, idx);
 }
 
-void FlowBitToggle(Flow *f, uint32_t idx)
+/**
+ * \retval bool true if bit is set, false is unset
+ */
+bool FlowBitToggle(Flow *f, uint32_t idx)
 {
     FlowBit *fb = FlowBitGet(f, idx);
     if (fb != NULL) {
         FlowBitRemove(f, idx);
+        return false;
     } else {
         FlowBitAdd(f, idx);
+        return true;
     }
 }
 

src/flow-bit.h

@@ -41,7 +41,7 @@ void FlowBitRegisterTests(void);
 
 void FlowBitSet(Flow *, uint32_t);
 void FlowBitUnset(Flow *, uint32_t);
-void FlowBitToggle(Flow *, uint32_t);
+bool FlowBitToggle(Flow *, uint32_t);
 int FlowBitIsset(Flow *, uint32_t);
 int FlowBitIsnotset(Flow *, uint32_t);
 #endif /* SURICATA_FLOW_BIT_H */