Add function ssl_FreeDecodeBuffer() to release the sniffer allocated data buffer and reset the pointer.

src/sniffer.c

@@ -3229,6 +3229,21 @@ int ssl_DecodePacket(const byte* packet, int length, byte** data, char* error)
 }
 
 
+/* Deallocator for the decoded data buffer. */
+/* returns 0 on success, -1 on error */
+int ssl_FreeDecodeBuffer(byte** data, char* error)
+{
+    (void)error;
+
+    if (data != NULL) {
+        free(*data);
+        *data = NULL;
+    }
+
+    return 0;
+}
+
+
 /* Enables (if traceFile)/ Disables debug tracing */
 /* returns 0 on success, -1 on error */
 int ssl_Trace(const char* traceFile, char* error)

sslSniffer/sslSnifferTest/snifftest.c

@@ -313,8 +313,7 @@ int main(int argc, char** argv)
             if (ret > 0) {
                 data[ret] = 0;
 				printf("SSL App Data(%d:%d):%s\n", packetNumber, ret, data);
-                free(data);
+                ssl_FreeDecodeBuffer(&data, err);
-                data = NULL;
             }
         }
         else if (saveFile)

wolfssl/sniffer.h

@@ -58,6 +58,9 @@ WOLFSSL_API
 SSL_SNIFFER_API int ssl_DecodePacket(const unsigned char* packet, int length,
                                      unsigned char** data, char* error);
 
+WOLFSSL_API
+SSL_SNIFFER_API int ssl_FreeDecodeBuffer(unsigned char** data, char* error);
+
 WOLFSSL_API
 SSL_SNIFFER_API int ssl_Trace(const char* traceFile, char* error);