CTS-SAT-1: Ignore pedantic warning on zero-length arrays in libcsp

Author: parker-research

include/csp/csp_types.h

@@ -229,12 +229,16 @@ typedef struct {
            csp_buffer_init(), and can later be accessed by csp_buffer_data_size()
         */
 	union {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpedantic"
+
 		/** Access data as uint8_t. */
 		uint8_t data[0];
 		/** Access data as uint16_t */
 		uint16_t data16[0];
 		/** Access data as uint32_t */
 		uint32_t data32[0];
+#pragma GCC diagnostic pop
 	};
 } csp_packet_t;
 //doc-end:csp_packet_t

include/csp/interfaces/csp_if_i2c.h

@@ -56,8 +56,12 @@ typedef struct i2c_frame_s {
     uint8_t len_rx;
     //! Length of \a data part  (-> csp_packet_t.length)
     uint16_t len;
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpedantic"
     //! CSP id + data  (-> csp_packet_t.id)
     uint8_t data[0];
+#pragma GCC diagnostic pop
 } csp_i2c_frame_t;
 //doc-end:csp_i2c_frame_t