Removed flexible array usage due to error on g++ 10.x

Author: bbogush

qt/cmd.h

@@ -64,7 +64,6 @@ typedef struct __attribute__((__packed__))
 {
     Cmd cmd;
     uint8_t len;
-    uint8_t data[];
 } WriteDataCmd;
 
 typedef struct __attribute__((__packed__))
@@ -119,7 +118,6 @@ typedef struct __attribute__((__packed__))
 {
     uint8_t code;
     uint8_t info;
-    uint8_t data[];
 } RespHeader;
 
 typedef struct __attribute__((__packed__))

qt/reader.cpp

@@ -142,6 +142,7 @@ int Reader::handleStatus(char *pbuf, uint32_t len)
 int Reader::handleData(char *pbuf, uint32_t len)
 {
     RespHeader *header = reinterpret_cast<RespHeader *>(pbuf);
+    char *data = pbuf + sizeof(RespHeader);
     uint8_t dataSize = header->info;
     size_t headerSize = sizeof(RespHeader), packetSize = headerSize + dataSize;
 
@@ -161,7 +162,7 @@ int Reader::handleData(char *pbuf, uint32_t len)
         return -1;
     }
 
-    memcpy(rbuf + readOffset, header->data, dataSize);
+    memcpy(rbuf + readOffset, data, dataSize);
     readOffset += dataSize;
     bytesRead += dataSize;