Switch to the new code style

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/programs/ssl/ssl_pthread_server.c b/programs/ssl/ssl_pthread_server.c
index b3ec7d6..2b3baff 100644
--- a/programs/ssl/ssl_pthread_server.c
+++ b/programs/ssl/ssl_pthread_server.c
@@ -28,15 +28,15 @@
     !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_THREADING_C) ||           \
     !defined(MBEDTLS_THREADING_PTHREAD) || !defined(MBEDTLS_PEM_PARSE_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
-           "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
-           "MBEDTLS_THREADING_C and/or MBEDTLS_THREADING_PTHREAD "
-           "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
+                   "MBEDTLS_THREADING_C and/or MBEDTLS_THREADING_PTHREAD "
+                   "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -75,20 +75,20 @@
 
 mbedtls_threading_mutex_t debug_mutex;
 
-static void my_mutexed_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_mutexed_debug(void *ctx, int level,
+                             const char *file, int line,
+                             const char *str)
 {
     long int thread_id = (long int) pthread_self();
 
-    mbedtls_mutex_lock( &debug_mutex );
+    mbedtls_mutex_lock(&debug_mutex);
 
     ((void) level);
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: [ #%ld ] %s",
-                                    file, line, thread_id, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: [ #%ld ] %s",
+                    file, line, thread_id, str);
+    fflush((FILE *) ctx);
 
-    mbedtls_mutex_unlock( &debug_mutex );
+    mbedtls_mutex_unlock(&debug_mutex);
 }
 
 typedef struct {
@@ -106,7 +106,7 @@
 static thread_info_t    base_info;
 static pthread_info_t   threads[MAX_NUM_THREADS];
 
-static void *handle_ssl_connection( void *data )
+static void *handle_ssl_connection(void *data)
 {
     int ret, len;
     thread_info_t *thread_info = (thread_info_t *) data;
@@ -116,190 +116,178 @@
     mbedtls_ssl_context ssl;
 
     /* Make sure memory references are valid */
-    mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_init(&ssl);
 
-    mbedtls_printf( "  [ #%ld ]  Setting up SSL/TLS data\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  Setting up SSL/TLS data\n", thread_id);
 
     /*
      * 4. Get the SSL context ready
      */
-    if( ( ret = mbedtls_ssl_setup( &ssl, thread_info->config ) ) != 0 )
-    {
-        mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_setup returned -0x%04x\n",
-                thread_id, ( unsigned int ) -ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, thread_info->config)) != 0) {
+        mbedtls_printf("  [ #%ld ]  failed: mbedtls_ssl_setup returned -0x%04x\n",
+                       thread_id, (unsigned int) -ret);
         goto thread_exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, client_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
 
     /*
      * 5. Handshake
      */
-    mbedtls_printf( "  [ #%ld ]  Performing the SSL/TLS handshake\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  Performing the SSL/TLS handshake\n", thread_id);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_handshake returned -0x%04x\n",
-                    thread_id, ( unsigned int ) -ret );
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf("  [ #%ld ]  failed: mbedtls_ssl_handshake returned -0x%04x\n",
+                           thread_id, (unsigned int) -ret);
             goto thread_exit;
         }
     }
 
-    mbedtls_printf( "  [ #%ld ]  ok\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  ok\n", thread_id);
 
     /*
      * 6. Read the HTTP Request
      */
-    mbedtls_printf( "  [ #%ld ]  < Read from client\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  < Read from client\n", thread_id);
 
-    do
-    {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
-        ret = mbedtls_ssl_read( &ssl, buf, len );
+    do {
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
+        ret = mbedtls_ssl_read(&ssl, buf, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
             continue;
+        }
 
-        if( ret <= 0 )
-        {
-            switch( ret )
-            {
+        if (ret <= 0) {
+            switch (ret) {
                 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    mbedtls_printf( "  [ #%ld ]  connection was closed gracefully\n",
-                            thread_id );
+                    mbedtls_printf("  [ #%ld ]  connection was closed gracefully\n",
+                                   thread_id);
                     goto thread_exit;
 
                 case MBEDTLS_ERR_NET_CONN_RESET:
-                    mbedtls_printf( "  [ #%ld ]  connection was reset by peer\n",
-                            thread_id );
+                    mbedtls_printf("  [ #%ld ]  connection was reset by peer\n",
+                                   thread_id);
                     goto thread_exit;
 
                 default:
-                    mbedtls_printf( "  [ #%ld ]  mbedtls_ssl_read returned -0x%04x\n",
-                            thread_id, ( unsigned int ) -ret );
+                    mbedtls_printf("  [ #%ld ]  mbedtls_ssl_read returned -0x%04x\n",
+                                   thread_id, (unsigned int) -ret);
                     goto thread_exit;
             }
         }
 
         len = ret;
-        mbedtls_printf( "  [ #%ld ]  %d bytes read\n=====\n%s\n=====\n",
-                thread_id, len, (char *) buf );
+        mbedtls_printf("  [ #%ld ]  %d bytes read\n=====\n%s\n=====\n",
+                       thread_id, len, (char *) buf);
 
-        if( ret > 0 )
+        if (ret > 0) {
             break;
-    }
-    while( 1 );
+        }
+    } while (1);
 
     /*
      * 7. Write the 200 Response
      */
-    mbedtls_printf( "  [ #%ld ]  > Write to client:\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  > Write to client:\n", thread_id);
 
-    len = sprintf( (char *) buf, HTTP_RESPONSE,
-                   mbedtls_ssl_get_ciphersuite( &ssl ) );
+    len = sprintf((char *) buf, HTTP_RESPONSE,
+                  mbedtls_ssl_get_ciphersuite(&ssl));
 
-    while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-    {
-        if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: peer closed the connection\n",
-                    thread_id );
+    while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+        if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
+            mbedtls_printf("  [ #%ld ]  failed: peer closed the connection\n",
+                           thread_id);
             goto thread_exit;
         }
 
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_write returned -0x%04x\n",
-                    thread_id, ( unsigned int ) ret );
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf("  [ #%ld ]  failed: mbedtls_ssl_write returned -0x%04x\n",
+                           thread_id, (unsigned int) ret);
             goto thread_exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( "  [ #%ld ]  %d bytes written\n=====\n%s\n=====\n",
-            thread_id, len, (char *) buf );
+    mbedtls_printf("  [ #%ld ]  %d bytes written\n=====\n%s\n=====\n",
+                   thread_id, len, (char *) buf);
 
-    mbedtls_printf( "  [ #%ld ]  . Closing the connection...", thread_id );
+    mbedtls_printf("  [ #%ld ]  . Closing the connection...", thread_id);
 
-    while( ( ret = mbedtls_ssl_close_notify( &ssl ) ) < 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
-            ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_close_notify returned -0x%04x\n",
-                    thread_id, ( unsigned int ) ret );
+    while ((ret = mbedtls_ssl_close_notify(&ssl)) < 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf("  [ #%ld ]  failed: mbedtls_ssl_close_notify returned -0x%04x\n",
+                           thread_id, (unsigned int) ret);
             goto thread_exit;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     ret = 0;
 
 thread_exit:
 
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
+        mbedtls_strerror(ret, error_buf, 100);
         mbedtls_printf("  [ #%ld ]  Last error was: -0x%04x - %s\n\n",
-               thread_id, ( unsigned int ) -ret, error_buf );
+                       thread_id, (unsigned int) -ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( client_fd );
-    mbedtls_ssl_free( &ssl );
+    mbedtls_net_free(client_fd);
+    mbedtls_ssl_free(&ssl);
 
     thread_info->thread_complete = 1;
 
-    return( NULL );
+    return NULL;
 }
 
-static int thread_create( mbedtls_net_context *client_fd )
+static int thread_create(mbedtls_net_context *client_fd)
 {
     int ret, i;
 
     /*
      * Find in-active or finished thread slot
      */
-    for( i = 0; i < MAX_NUM_THREADS; i++ )
-    {
-        if( threads[i].active == 0 )
+    for (i = 0; i < MAX_NUM_THREADS; i++) {
+        if (threads[i].active == 0) {
             break;
+        }
 
-        if( threads[i].data.thread_complete == 1 )
-        {
-            mbedtls_printf( "  [ main ]  Cleaning up thread %d\n", i );
-            pthread_join(threads[i].thread, NULL );
-            memset( &threads[i], 0, sizeof(pthread_info_t) );
+        if (threads[i].data.thread_complete == 1) {
+            mbedtls_printf("  [ main ]  Cleaning up thread %d\n", i);
+            pthread_join(threads[i].thread, NULL);
+            memset(&threads[i], 0, sizeof(pthread_info_t));
             break;
         }
     }
 
-    if( i == MAX_NUM_THREADS )
-        return( -1 );
+    if (i == MAX_NUM_THREADS) {
+        return -1;
+    }
 
     /*
      * Fill thread-info for thread
      */
-    memcpy( &threads[i].data, &base_info, sizeof(base_info) );
+    memcpy(&threads[i].data, &base_info, sizeof(base_info));
     threads[i].active = 1;
-    memcpy( &threads[i].data.client_fd, client_fd, sizeof( mbedtls_net_context ) );
+    memcpy(&threads[i].data.client_fd, client_fd, sizeof(mbedtls_net_context));
 
-    if( ( ret = pthread_create( &threads[i].thread, NULL, handle_ssl_connection,
-                                &threads[i].data ) ) != 0 )
-    {
-        return( ret );
+    if ((ret = pthread_create(&threads[i].thread, NULL, handle_ssl_connection,
+                              &threads[i].data)) != 0) {
+        return ret;
     }
 
-    return( 0 );
+    return 0;
 }
 
-int main( void )
+int main(void)
 {
     int ret;
     mbedtls_net_context listen_fd, client_fd;
@@ -319,167 +307,157 @@
 #endif
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
+    mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf));
 #endif
 
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_init( &cache );
+    mbedtls_ssl_cache_init(&cache);
 #endif
 
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_x509_crt_init( &cachain );
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_x509_crt_init(&cachain);
 
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    memset( threads, 0, sizeof(threads) );
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    memset(threads, 0, sizeof(threads));
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
 
-    mbedtls_mutex_init( &debug_mutex );
+    mbedtls_mutex_init(&debug_mutex);
 
     base_info.config = &conf;
 
     /*
      * We use only a single entropy source that is used in all the threads.
      */
-    mbedtls_entropy_init( &entropy );
+    mbedtls_entropy_init(&entropy);
 
     /*
      * 1a. Seed the random number generator
      */
-    mbedtls_printf( "  . Seeding the random number generator..." );
+    mbedtls_printf("  . Seeding the random number generator...");
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed: mbedtls_ctr_drbg_seed returned -0x%04x\n",
-                ( unsigned int ) -ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed: mbedtls_ctr_drbg_seed returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1b. Load the certificates and private RSA key
      */
-    mbedtls_printf( "\n  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Loading the server cert. and key...");
+    fflush(stdout);
 
     /*
      * This demonstration program uses embedded test certificates.
      * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
      * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
      */
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                          mbedtls_test_srv_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+                                 mbedtls_test_srv_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &cachain, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&cachain, (const unsigned char *) mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_pk_init( &pkey );
-    ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
-                         mbedtls_test_srv_key_len, NULL, 0,
-                         mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );
+    mbedtls_pk_init(&pkey);
+    ret =  mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_srv_key,
+                                mbedtls_test_srv_key_len, NULL, 0,
+                                mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1c. Prepare SSL configuration
      */
-    mbedtls_printf( "  . Setting up the SSL data...." );
+    mbedtls_printf("  . Setting up the SSL data....");
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed: mbedtls_ssl_config_defaults returned -0x%04x\n",
-                ( unsigned int ) -ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_SERVER,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed: mbedtls_ssl_config_defaults returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_mutexed_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_mutexed_debug, stdout);
 
     /* mbedtls_ssl_cache_get() and mbedtls_ssl_cache_set() are thread-safe if
      * MBEDTLS_THREADING_C is set.
      */
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_conf_session_cache( &conf, &cache,
+    mbedtls_ssl_conf_session_cache(&conf, &cache,
                                    mbedtls_ssl_cache_get,
-                                   mbedtls_ssl_cache_set );
+                                   mbedtls_ssl_cache_set);
 #endif
 
-    mbedtls_ssl_conf_ca_chain( &conf, &cachain, NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, &cachain, NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup the listening TCP socket
      */
-    mbedtls_printf( "  . Bind on https://localhost:4433/ ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on https://localhost:4433/ ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
 reset:
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf( "  [ main ]  Last error was: -0x%04x - %s\n", ( unsigned int ) -ret,
-                        error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("  [ main ]  Last error was: -0x%04x - %s\n", (unsigned int) -ret,
+                       error_buf);
     }
 #endif
 
     /*
      * 3. Wait until a client connects
      */
-    mbedtls_printf( "  [ main ]  Waiting for a remote connection\n" );
+    mbedtls_printf("  [ main ]  Waiting for a remote connection\n");
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                    NULL, 0, NULL ) ) != 0 )
-    {
-        mbedtls_printf( "  [ main ] failed: mbedtls_net_accept returned -0x%04x\n",
-                        ( unsigned int ) ret );
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
+                                  NULL, 0, NULL)) != 0) {
+        mbedtls_printf("  [ main ] failed: mbedtls_net_accept returned -0x%04x\n",
+                       (unsigned int) ret);
         goto exit;
     }
 
-    mbedtls_printf( "  [ main ]  ok\n" );
-    mbedtls_printf( "  [ main ]  Creating a new thread\n" );
+    mbedtls_printf("  [ main ]  ok\n");
+    mbedtls_printf("  [ main ]  Creating a new thread\n");
 
-    if( ( ret = thread_create( &client_fd ) ) != 0 )
-    {
-        mbedtls_printf( "  [ main ]  failed: thread_create returned %d\n", ret );
-        mbedtls_net_free( &client_fd );
+    if ((ret = thread_create(&client_fd)) != 0) {
+        mbedtls_printf("  [ main ]  failed: thread_create returned %d\n", ret);
+        mbedtls_net_free(&client_fd);
         goto reset;
     }
 
@@ -487,24 +465,24 @@
     goto reset;
 
 exit:
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_free( &cache );
+    mbedtls_ssl_cache_free(&cache);
 #endif
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
-    mbedtls_ssl_config_free( &conf );
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ssl_config_free(&conf);
 
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_mutex_free( &debug_mutex );
+    mbedtls_mutex_free(&debug_mutex);
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
     mbedtls_memory_buffer_alloc_free();
 #endif
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
 
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&