M322: SN_Decode_Register

embhorn · embhorn · commit c32abd2ed551 · 2026-03-03T10:31:13.000-06:00
diff --git a/src/mqtt_sn_packet.c b/src/mqtt_sn_packet.c
@@ -810,7 +810,7 @@ int SN_Decode_Register(byte *rx_buf, int rx_buf_len, SN_Register *regist)
         regist->topicName = (char*)rx_payload;
 
         /* Terminate the string */
-        rx_payload[total_len-6] = '\0';
+        rx_payload[total_len - (rx_payload - rx_buf)] = '\0';
     }
     (void)rx_payload;
 

Original file line number	Diff line number	Diff line change
`@@ -810,7 +810,7 @@ int SN_Decode_Register(byte rx_buf, int rx_buf_len, SN_Register regist)`
`810`	`810`	`regist->topicName = (char*)rx_payload;`
`811`	`811`
`812`	`812`	`/* Terminate the string */`
`813`		`- rx_payload[total_len-6] = '\0';`
	`813`	`+ rx_payload[total_len - (rx_payload - rx_buf)] = '\0';`
`814`	`814`	`}`
`815`	`815`	`(void)rx_payload;`
`816`	`816`