bt: audio: Use proper flexible array

0 length array is a GNU extension. Use proper C99 flexible
array.

Signed-off-by: Flavio Ceolin <[email protected]>

Author: ceolin

subsys/bluetooth/audio/ascs_internal.h

@@ -36,13 +36,13 @@
 struct bt_ascs_ase_status {
 	uint8_t  id;
 	uint8_t  state;
-	uint8_t  params[0];
+	uint8_t  params[];
 } __packed;
 
 struct bt_ascs_codec_config {
 	uint8_t len;
 	uint8_t type;
-	uint8_t data[0];
+	uint8_t data[];
 } __packed;
 
 struct bt_ascs_codec {
@@ -66,7 +66,7 @@ struct bt_ascs_ase_status_config {
 	struct bt_ascs_codec codec;
 	uint8_t  cc_len;
 	/* LTV-formatted Codec-Specific Configuration */
-	struct bt_ascs_codec_config cc[0];
+	struct bt_ascs_codec_config cc[];
 } __packed;
 
 /* ASE_State = 0x02 (QoS Configured), defined in Table 4.4. */
@@ -88,7 +88,7 @@ struct bt_ascs_ase_status_enable {
 	uint8_t  cig_id;
 	uint8_t  cis_id;
 	uint8_t  metadata_len;
-	uint8_t  metadata[0];
+	uint8_t  metadata[];
 } __packed;
 
 /* ASE_Status =  0x04 (Streaming) defined in Table 4.5.
@@ -97,7 +97,7 @@ struct bt_ascs_ase_status_stream {
 	uint8_t  cig_id;
 	uint8_t  cis_id;
 	uint8_t  metadata_len;
-	uint8_t  metadata[0];
+	uint8_t  metadata[];
 } __packed;
 
 /* ASE_Status = 0x05 (Disabling) as defined in Table 4.5.
@@ -106,14 +106,14 @@ struct bt_ascs_ase_status_disable {
 	uint8_t  cig_id;
 	uint8_t  cis_id;
 	uint8_t  metadata_len;
-	uint8_t  metadata[0];
+	uint8_t  metadata[];
 } __packed;
 
 /* ASE Control Point Protocol */
 struct bt_ascs_ase_cp {
 	/* Request/Notification opcode */
 	uint8_t  op;
-	uint8_t  pdu[0];
+	uint8_t  pdu[];
 } __packed;
 
 /* Opcodes */
@@ -139,14 +139,14 @@ struct bt_ascs_config {
 	/* Codec Specific Config Length */
 	uint8_t  cc_len;
 	/* LTV-formatted Codec-Specific Configuration */
-	struct bt_ascs_codec_config cc[0];
+	struct bt_ascs_codec_config cc[];
 } __packed;
 
 struct bt_ascs_config_op {
 	/* Number of ASEs */
 	uint8_t  num_ases;
 	/* Config Parameters */
-	struct bt_ascs_config cfg[0];
+	struct bt_ascs_config cfg[];
 } __packed;
 
 #define BT_ASCS_QOS_OP                   0x02
@@ -177,7 +177,7 @@ struct bt_ascs_qos_op {
 	/* Number of ASEs */
 	uint8_t  num_ases;
 	/* QoS Parameters */
-	struct bt_ascs_qos qos[0];
+	struct bt_ascs_qos qos[];
 } __packed;
 
 #define BT_ASCS_ENABLE_OP                0x03
@@ -187,54 +187,54 @@ struct bt_ascs_metadata {
 	/* Metadata length */
 	uint8_t  len;
 	/* LTV-formatted Metadata */
-	uint8_t  data[0];
+	uint8_t  data[];
 } __packed;
 
 struct bt_ascs_enable_op {
 	/* Number of ASEs */
 	uint8_t  num_ases;
 	/* Metadata */
-	struct bt_ascs_metadata metadata[0];
+	struct bt_ascs_metadata metadata[];
 } __packed;
 
 #define BT_ASCS_START_OP                 0x04
 struct bt_ascs_start_op {
 	/* Number of ASEs */
 	uint8_t  num_ases;
 	/* ASE IDs */
-	uint8_t  ase[0];
+	uint8_t  ase[];
 } __packed;
 
 #define BT_ASCS_DISABLE_OP               0x05
 struct bt_ascs_disable_op {
 	/* Number of ASEs */
 	uint8_t  num_ases;
 	/* ASE IDs */
-	uint8_t  ase[0];
+	uint8_t  ase[];
 } __packed;
 
 #define BT_ASCS_STOP_OP                  0x06
 struct bt_ascs_stop_op {
 	/* Number of ASEs */
 	uint8_t  num_ases;
 	/* ASE IDs */
-	uint8_t  ase[0];
+	uint8_t  ase[];
 } __packed;
 
 #define BT_ASCS_METADATA_OP              0x07
 struct bt_ascs_metadata_op {
 	/* Number of ASEs */
 	uint8_t  num_ases;
 	/* Metadata */
-	struct bt_ascs_metadata metadata[0];
+	struct bt_ascs_metadata metadata[];
 } __packed;
 
 #define BT_ASCS_RELEASE_OP              0x08
 struct bt_ascs_release_op {
 	/* Number of ASEs */
 	uint8_t  num_ases;
 	/* Ase IDs */
-	uint8_t  ase[0];
+	uint8_t  ase[];
 } __packed;
 
 struct bt_ascs_cp_ase_rsp {
@@ -252,7 +252,7 @@ struct bt_ascs_cp_rsp {
 	/* Number of ASEs */
 	uint8_t  num_ase;
 	/* ASE response */
-	struct bt_ascs_cp_ase_rsp ase_rsp[0];
+	struct bt_ascs_cp_ase_rsp ase_rsp[];
 } __packed;
 
 static inline const char *bt_ascs_op_str(uint8_t op)

subsys/bluetooth/audio/bap_internal.h

@@ -52,7 +52,7 @@ struct bt_bap_bass_cp_scan_start {
 struct bt_bap_bass_cp_subgroup {
 	uint32_t bis_sync;
 	uint8_t metadata_len;
-	uint8_t metadata[0];
+	uint8_t metadata[];
 } __packed;
 
 struct bt_bap_bass_cp_add_src {
@@ -63,7 +63,7 @@ struct bt_bap_bass_cp_add_src {
 	uint8_t pa_sync;
 	uint16_t pa_interval;
 	uint8_t num_subgroups;
-	struct bt_bap_bass_cp_subgroup subgroups[0];
+	struct bt_bap_bass_cp_subgroup subgroups[];
 } __packed;
 
 struct bt_bap_bass_cp_mod_src {
@@ -72,7 +72,7 @@ struct bt_bap_bass_cp_mod_src {
 	uint8_t pa_sync;
 	uint16_t pa_interval;
 	uint8_t num_subgroups;
-	struct bt_bap_bass_cp_subgroup subgroups[0];
+	struct bt_bap_bass_cp_subgroup subgroups[];
 } __packed;
 
 struct bt_bap_bass_cp_broadcase_code {