Switch to the new code style

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 49de984..7ee880d 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -27,24 +27,24 @@
     !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_TIMING_C) || !defined(MBEDTLS_FS_IO) ||              \
     !defined(MBEDTLS_PEM_PARSE_C)
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     ((void) argc);
     ((void) argv);
 
     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_TIMING_C 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_TIMING_C and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #elif defined(_WIN32)
-int main( void )
+int main(void)
 {
     mbedtls_printf("_WIN32 defined. This application requires fork() and signals "
-           "to work correctly.\n");
-    mbedtls_exit( 0 );
+                   "to work correctly.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -71,17 +71,17 @@
 #define DEBUG_LEVEL 0
 
 
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_debug(void *ctx, int level,
+                     const char *file, int line,
+                     const char *str)
 {
     ((void) level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *) ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret = 1, len, cnt = 0, pid;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -96,127 +96,118 @@
     mbedtls_x509_crt srvcert;
     mbedtls_pk_context pkey;
 
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_pk_init( &pkey );
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_pk_init(&pkey);
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    signal( SIGCHLD, SIG_IGN );
+    signal(SIGCHLD, SIG_IGN);
 
     /*
      * 0. Initial seeding of the RNG
      */
-    mbedtls_printf( "\n  . Initial seeding of the random generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Initial seeding of the random generator...");
+    fflush(stdout);
 
-    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 %d\n\n", 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 %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1. Load the certificates and private RSA key
      */
-    mbedtls_printf( "  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("  . 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!  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!  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed!  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    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!  mbedtls_pk_parse_key returned %d\n\n", ret );
+    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!  mbedtls_pk_parse_key returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1b. Prepare SSL configuration
      */
-    mbedtls_printf( "  . Configuring SSL..." );
-    fflush( stdout );
+    mbedtls_printf("  . Configuring SSL...");
+    fflush(stdout);
 
-    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 %d\n\n", 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 %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, srvcert.next, NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        mbedtls_printf(" failed!  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!  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!  mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-    while( 1 )
-    {
+    while (1) {
         /*
          * 3. Wait until a client connects
          */
-        mbedtls_net_init( &client_fd );
-        mbedtls_ssl_init( &ssl );
+        mbedtls_net_init(&client_fd);
+        mbedtls_ssl_init(&ssl);
 
-        mbedtls_printf( "  . Waiting for a remote connection ...\n" );
-        fflush( stdout );
+        mbedtls_printf("  . Waiting for a remote connection ...\n");
+        fflush(stdout);
 
-        if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                        NULL, 0, NULL ) ) != 0 )
-        {
-            mbedtls_printf( " failed!  mbedtls_net_accept returned %d\n\n", ret );
+        if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
+                                      NULL, 0, NULL)) != 0) {
+            mbedtls_printf(" failed!  mbedtls_net_accept returned %d\n\n", ret);
             goto exit;
         }
 
@@ -224,113 +215,104 @@
          * 3.5. Forking server thread
          */
 
-        mbedtls_printf( "  . Forking to handle connection ..." );
-        fflush( stdout );
+        mbedtls_printf("  . Forking to handle connection ...");
+        fflush(stdout);
 
         pid = fork();
 
-        if( pid < 0 )
-        {
-            mbedtls_printf(" failed!  fork returned %d\n\n", pid );
+        if (pid < 0) {
+            mbedtls_printf(" failed!  fork returned %d\n\n", pid);
             goto exit;
         }
 
-        if( pid != 0 )
-        {
-            mbedtls_printf( " ok\n" );
-            mbedtls_net_close( &client_fd );
+        if (pid != 0) {
+            mbedtls_printf(" ok\n");
+            mbedtls_net_close(&client_fd);
 
-            if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
-                                         (const unsigned char *) "parent",
-                                         6 ) ) != 0 )
-            {
-                mbedtls_printf( " failed!  mbedtls_ctr_drbg_reseed returned %d\n\n", ret );
+            if ((ret = mbedtls_ctr_drbg_reseed(&ctr_drbg,
+                                               (const unsigned char *) "parent",
+                                               6)) != 0) {
+                mbedtls_printf(" failed!  mbedtls_ctr_drbg_reseed returned %d\n\n", ret);
                 goto exit;
             }
 
             continue;
         }
 
-        mbedtls_net_close( &listen_fd );
+        mbedtls_net_close(&listen_fd);
 
         pid = getpid();
 
         /*
          * 4. Setup stuff
          */
-        mbedtls_printf( "pid %d: Setting up the SSL data.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Setting up the SSL data.\n", pid);
+        fflush(stdout);
 
-        if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
-                                     (const unsigned char *) "child",
-                                     5 ) ) != 0 )
-        {
+        if ((ret = mbedtls_ctr_drbg_reseed(&ctr_drbg,
+                                           (const unsigned char *) "child",
+                                           5)) != 0) {
             mbedtls_printf(
-                    "pid %d: SSL setup failed!  mbedtls_ctr_drbg_reseed returned %d\n\n",
-                    pid, ret );
+                "pid %d: SSL setup failed!  mbedtls_ctr_drbg_reseed returned %d\n\n",
+                pid, ret);
             goto exit;
         }
 
-        if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-        {
+        if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
             mbedtls_printf(
-                    "pid %d: SSL setup failed!  mbedtls_ssl_setup returned %d\n\n",
-                    pid, ret );
+                "pid %d: SSL setup failed!  mbedtls_ssl_setup returned %d\n\n",
+                pid, ret);
             goto 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);
 
-        mbedtls_printf( "pid %d: SSL setup ok\n", pid );
+        mbedtls_printf("pid %d: SSL setup ok\n", pid);
 
         /*
          * 5. Handshake
          */
-        mbedtls_printf( "pid %d: Performing the SSL/TLS handshake.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Performing the SSL/TLS handshake.\n", pid);
+        fflush(stdout);
 
-        while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-            {
+        while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
                 mbedtls_printf(
-                        "pid %d: SSL handshake failed!  mbedtls_ssl_handshake returned %d\n\n",
-                        pid, ret );
+                    "pid %d: SSL handshake failed!  mbedtls_ssl_handshake returned %d\n\n",
+                    pid, ret);
                 goto exit;
             }
         }
 
-        mbedtls_printf( "pid %d: SSL handshake ok\n", pid );
+        mbedtls_printf("pid %d: SSL handshake ok\n", pid);
 
         /*
          * 6. Read the HTTP Request
          */
-        mbedtls_printf( "pid %d: Start reading from client.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Start reading from client.\n", pid);
+        fflush(stdout);
 
-        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( "pid %d: connection was closed gracefully\n", pid );
+                        mbedtls_printf("pid %d: connection was closed gracefully\n", pid);
                         break;
 
                     case MBEDTLS_ERR_NET_CONN_RESET:
-                        mbedtls_printf( "pid %d: connection was reset by peer\n", pid );
+                        mbedtls_printf("pid %d: connection was reset by peer\n", pid);
                         break;
 
                     default:
-                        mbedtls_printf( "pid %d: mbedtls_ssl_read returned %d\n", pid, ret );
+                        mbedtls_printf("pid %d: mbedtls_ssl_read returned %d\n", pid, ret);
                         break;
                 }
 
@@ -338,65 +320,61 @@
             }
 
             len = ret;
-            mbedtls_printf( "pid %d: %d bytes read\n\n%s", pid, len, (char *) buf );
+            mbedtls_printf("pid %d: %d bytes read\n\n%s", pid, len, (char *) buf);
 
-            if( ret > 0 )
+            if (ret > 0) {
                 break;
-        }
-        while( 1 );
+            }
+        } while (1);
 
         /*
          * 7. Write the 200 Response
          */
-        mbedtls_printf( "pid %d: Start writing to client.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Start writing to client.\n", pid);
+        fflush(stdout);
 
-        len = sprintf( (char *) buf, HTTP_RESPONSE,
-                mbedtls_ssl_get_ciphersuite( &ssl ) );
+        len = sprintf((char *) buf, HTTP_RESPONSE,
+                      mbedtls_ssl_get_ciphersuite(&ssl));
 
-        while( cnt++ < 100 )
-        {
-            while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-            {
-                if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-                {
+        while (cnt++ < 100) {
+            while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+                if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
                     mbedtls_printf(
-                            "pid %d: Write failed!  peer closed the connection\n\n", pid );
+                        "pid %d: Write failed!  peer closed the connection\n\n", pid);
                     goto exit;
                 }
 
-                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) {
                     mbedtls_printf(
-                            "pid %d: Write failed!  mbedtls_ssl_write returned %d\n\n",
-                            pid, ret );
+                        "pid %d: Write failed!  mbedtls_ssl_write returned %d\n\n",
+                        pid, ret);
                     goto exit;
                 }
             }
             len = ret;
-            mbedtls_printf( "pid %d: %d bytes written\n\n%s\n", pid, len, (char *) buf );
+            mbedtls_printf("pid %d: %d bytes written\n\n%s\n", pid, len, (char *) buf);
 
-            mbedtls_net_usleep( 1000000 );
+            mbedtls_net_usleep(1000000);
         }
 
-        mbedtls_ssl_close_notify( &ssl );
+        mbedtls_ssl_close_notify(&ssl);
         goto exit;
     }
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&