treewide: Various style fixups

- Mostly problems with whitespace:
	- Use of spaces instead of tabs
	- Stray spaces before closing ')
	- Missing spaces

- Missing 'void' from function declarations & definitions that
  take no arguments.

- Wrong indentation level

src/backtrace.c

@@ -162,7 +162,7 @@ static void signal_handler(int signo)
 	exit(EXIT_FAILURE);
 }
 
-void __iwd_backtrace_init()
+void __iwd_backtrace_init(void)
 {
 	static char path[PATH_MAX];
 	static char cwd[PATH_MAX];
@@ -174,6 +174,7 @@ void __iwd_backtrace_init()
 	len = readlink("/proc/self/exe", path, sizeof(path) - 1);
 	if (len > 0) {
 		int i;
+
 		path[len] = '\0';
 
 		for (i = len - 1; i >= 0; i--) {

src/backtrace.h

@@ -20,6 +20,6 @@
  *
  */
 #ifdef HAVE_BACKTRACE
-void __iwd_backtrace_init();
+void __iwd_backtrace_init(void);
 void __iwd_backtrace_print(unsigned int offset);
 #endif

src/crypto.c

@@ -73,7 +73,8 @@ size_t crypto_dh5_generator_size = sizeof(crypto_dh5_generator);
 
 static bool hmac_common(enum l_checksum_type type,
 			const void *key, size_t key_len,
-                const void *data, size_t data_len, void *output, size_t size)
+			const void *data, size_t data_len,
+			void *output, size_t size)
 {
 	struct l_checksum *hmac;
 
@@ -440,7 +441,7 @@ free_ctr:
 
 #define SWAP(a, b) do { int _t = a; a = b; b = _t; } while (0)
 
-static void arc4_set_key(struct arc4_ctx *ctx, unsigned length,
+static void arc4_set_key(struct arc4_ctx *ctx, unsigned int length,
 			 const uint8_t *key)
 {
 	unsigned int i, j, k;
@@ -458,8 +459,8 @@ static void arc4_set_key(struct arc4_ctx *ctx, unsigned length,
 	ctx->i = ctx->j = 0;
 }
 
-static void arc4_crypt(struct arc4_ctx *ctx, unsigned length, uint8_t *dst,
-		       const uint8_t *src)
+static void arc4_crypt(struct arc4_ctx *ctx, unsigned int length,
+			uint8_t *dst, const uint8_t *src)
 {
 	uint8_t i, j;
 

src/eap-peap.c

@@ -475,8 +475,8 @@ static bool eap_peap_tunnel_ready(struct eap_state *eap,
 	/*
 	 * PEAPv1: draft-josefsson-pppext-eap-tls-eap-05, Section 2.1.1
 	 *
-	* Cleartext Success/Failure packets MUST be silently discarded once TLS
-	* tunnel has been brought up.
+	 * Cleartext Success/Failure packets MUST be silently discarded once
+	 * TLS tunnel has been brought up.
 	*/
 	eap_discard_success_and_failure(eap, true);
 

src/frame-xchg.c

@@ -726,10 +726,10 @@ static bool frame_watch_remove_by_handler(uint64_t wdev_id, uint32_t group_id,
 						frame_watch_cb_t handler,
 						void *user_data)
 {
-	struct watch_group_match_info group_info =
-		{ group_id == 0 ? 0 : wdev_id, group_id };
-	struct frame_watch_handler_check_info handler_info =
-		{ wdev_id, handler, user_data };
+	struct watch_group_match_info group_info = {
+				group_id == 0 ? 0 : wdev_id, group_id };
+	struct frame_watch_handler_check_info handler_info = {
+					wdev_id, handler, user_data };
 	struct watch_group *group = l_queue_find(watch_groups,
 						frame_watch_group_match,
 						&group_info);

src/ft.c

@@ -640,7 +640,8 @@ static int ft_rx_authenticate(struct auth_proto *ap, const uint8_t *frame,
 	 * FT Protocol.
 	 */
 	if (!ft_parse_authentication_resp_frame(frame, frame_len, ft->hs->spa,
-					ft->hs->aa, ft->hs->aa, 2, &status_code,
+						ft->hs->aa, ft->hs->aa,
+						2, &status_code,
 						&ies, &ies_len))
 		goto auth_error;
 

src/handshake.c

@@ -44,7 +44,7 @@
 #include "src/erp.h"
 #include "src/band.h"
 
-static inline unsigned int n_ecc_groups()
+static inline unsigned int n_ecc_groups(void)
 {
 	const unsigned int *groups = l_ecc_supported_ike_groups();
 	unsigned int j = 0;

src/json.c

@@ -302,7 +302,7 @@ bool json_iter_get_int(struct json_iter *iter, int *i)
 {
 	void *ptr;
 	size_t len;
-	long int r;
+	long r;
 	int t;
 	char *endp;
 
@@ -328,7 +328,7 @@ bool json_iter_get_uint(struct json_iter *iter, unsigned int *i)
 {
 	void *ptr;
 	size_t len;
-	unsigned long int r;
+	unsigned long r;
 	unsigned int t;
 	char *endp;
 

src/main.c

@@ -265,7 +265,7 @@ static void print_koption(const void *key, void *value, void *user_data)
 #define ADD_OPTIONAL(opt) \
 	l_hashmap_replace(optional, opt, &r, NULL)
 
-static int check_crypto()
+static int check_crypto(void)
 {
 	int r = 0;
 	struct l_hashmap *options = l_hashmap_string_new();

src/manager.c

@@ -196,7 +196,7 @@ static void manager_create_interfaces(struct wiphy_setup_state *state)
 	struct l_genl_msg *msg;
 	char ifname[10];
 	uint32_t iftype;
-	unsigned cmd_id;
+	unsigned int cmd_id;
 
 	if (state->aborted)
 		return;
@@ -341,7 +341,7 @@ static void manager_get_interface_cb(struct l_genl_msg *msg, void *user_data)
 	uint64_t wdev;
 	const char *ifname;
 	struct l_genl_msg *del_msg;
-	unsigned cmd_id;
+	unsigned int cmd_id;
 	char *pattern;
 	unsigned int i;
 	bool whitelisted = false, blacklisted = false;
@@ -703,7 +703,7 @@ static void manager_config_notify(struct l_genl_msg *msg, void *user_data)
 	case NL80211_CMD_NEW_INTERFACE:
 		/*
 		 * Interfaces are normally dumped on the NEW_WIPHY events and
-		 * and we have nothing to do here.  But check if by any chance
+		 * we have nothing to do here.  But check if by any chance
 		 * we've queried this wiphy and it was still busy initialising,
 		 * in that case retry the setup now that an interface, likely
 		 * the initial default one, has been added.

src/mpdu.c

@@ -364,6 +364,7 @@ static bool validate_mgmt_ies(const uint8_t *ies, size_t ies_len,
 
 	while (ie_tlv_iter_next(&iter)) {
 		int i = 0;
+
 		tag = ie_tlv_iter_get_tag(&iter);
 
 		/* Check that the tag is part of the valid set */

src/netdev.c

@@ -2912,7 +2912,6 @@ process_resp_ies:
 				HANDSHAKE_EVENT_SETTING_KEYS);
 
 	netdev_connect_ok(netdev);
-
 	return;
 
 error:

src/scan.c

@@ -562,6 +562,7 @@ static int scan_request_send_trigger(struct scan_context *sc,
 					struct scan_request *sr)
 {
 	struct l_genl_msg *cmd = l_queue_peek_head(sr->cmds);
+
 	if (!cmd)
 		return -ENOMSG;
 
@@ -2087,7 +2088,7 @@ static int scan_init(void)
 	return 0;
 }
 
-static void scan_exit()
+static void scan_exit(void)
 {
 	l_queue_destroy(scan_contexts,
 				(l_queue_destroy_func_t) scan_context_free);

src/station.c

@@ -1105,7 +1105,7 @@ build_ie:
 	 * any offload features are detected (since IWD prefers to use offload).
 	 */
 	info.ocvc = !disable_ocv && bss_info.ocvc && info.mfpc &&
-			!wiphy_can_offload(wiphy);;
+			!wiphy_can_offload(wiphy);
 
 	/*
 	 * IEEE 802.11-2020 9.4.2.24.4 states extended key IDs can only be used
@@ -1887,8 +1887,8 @@ static void station_ft_ds_action_start(struct station *station)
 			continue;
 
 		/*
-		* Fire and forget. Netdev will maintain a cache of responses and
-		* when the time comes these can be referenced for a roam
+		 * Fire and forget. Netdev will maintain a cache of responses
+		 * and when the time comes these can be referenced for a roam
 		 */
 		netdev_fast_transition_over_ds_action(station->netdev, bss);
 	}

src/wiphy.c

@@ -918,6 +918,7 @@ static void wiphy_print_band_info(struct band *band, const char *name)
 
 	if (band->ht_supported) {
 		uint8_t max_nss = bit_field(band->ht_mcs_set[12], 2, 2) + 1;
+
 		l_info("\t\tHT Capabilities:");
 
 		if (test_bit(band->ht_capabilities, 1))

src/wscutil.c

@@ -1751,6 +1751,7 @@ static uint8_t *wsc_attr_builder_free(struct wsc_attr_builder *builder,
 
 	if (builder->curlen > 0) {
 		uint8_t *bytes = builder->buf + builder->offset;
+
 		l_put_be16(builder->curlen - 4, bytes + 2);
 		builder->offset += builder->curlen;
 		builder->curlen = 0;