Switch to the new code style

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/programs/pkey/rsa_genkey.c b/programs/pkey/rsa_genkey.c
index 1507bd8..4bcb8a2 100644
--- a/programs/pkey/rsa_genkey.c
+++ b/programs/pkey/rsa_genkey.c
@@ -43,17 +43,17 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||   \
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_GENPRIME) ||      \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_RSA_C and/or MBEDTLS_GENPRIME and/or "
-           "MBEDTLS_FS_IO and/or MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_RSA_C and/or MBEDTLS_GENPRIME and/or "
+                   "MBEDTLS_FS_IO and/or MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( void )
+int main(void)
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -65,103 +65,98 @@
     FILE *fpriv = NULL;
     const char *pers = "rsa_genkey";
 
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
-    mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-    mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
-    mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_rsa_init(&rsa, MBEDTLS_RSA_PKCS_V15, 0);
+    mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+    mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
+    mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Generating the RSA key [ %d-bit ]...", KEY_SIZE );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Generating the RSA key [ %d-bit ]...", KEY_SIZE);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_rsa_gen_key( &rsa, mbedtls_ctr_drbg_random, &ctr_drbg, KEY_SIZE,
-                                     EXPONENT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_gen_key returned %d\n\n", ret );
+    if ((ret = mbedtls_rsa_gen_key(&rsa, mbedtls_ctr_drbg_random, &ctr_drbg, KEY_SIZE,
+                                   EXPONENT)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_gen_key returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Exporting the public  key in rsa_pub.txt...." );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Exporting the public  key in rsa_pub.txt....");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_rsa_export    ( &rsa, &N, &P, &Q, &D, &E ) ) != 0 ||
-        ( ret = mbedtls_rsa_export_crt( &rsa, &DP, &DQ, &QP ) )      != 0 )
-    {
-        mbedtls_printf( " failed\n  ! could not export RSA parameters\n\n" );
+    if ((ret = mbedtls_rsa_export(&rsa, &N, &P, &Q, &D, &E)) != 0 ||
+        (ret = mbedtls_rsa_export_crt(&rsa, &DP, &DQ, &QP))      != 0) {
+        mbedtls_printf(" failed\n  ! could not export RSA parameters\n\n");
         goto exit;
     }
 
-    if( ( fpub = fopen( "rsa_pub.txt", "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! could not open rsa_pub.txt for writing\n\n" );
+    if ((fpub = fopen("rsa_pub.txt", "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! could not open rsa_pub.txt for writing\n\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_write_file( "N = ", &N, 16, fpub ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "E = ", &E, 16, fpub ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret );
+    if ((ret = mbedtls_mpi_write_file("N = ", &N, 16, fpub)) != 0 ||
+        (ret = mbedtls_mpi_write_file("E = ", &E, 16, fpub)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Exporting the private key in rsa_priv.txt..." );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Exporting the private key in rsa_priv.txt...");
+    fflush(stdout);
 
-    if( ( fpriv = fopen( "rsa_priv.txt", "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! could not open rsa_priv.txt for writing\n" );
+    if ((fpriv = fopen("rsa_priv.txt", "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! could not open rsa_priv.txt for writing\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_write_file( "N = " , &N , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "E = " , &E , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "D = " , &D , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "P = " , &P , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "Q = " , &Q , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "DP = ", &DP, 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "DQ = ", &DQ, 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "QP = ", &QP, 16, fpriv ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret );
+    if ((ret = mbedtls_mpi_write_file("N = ", &N, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("E = ", &E, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("D = ", &D, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("P = ", &P, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("Q = ", &Q, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("DP = ", &DP, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("DQ = ", &DQ, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("QP = ", &QP, 16, fpriv)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret);
         goto exit;
     }
-    mbedtls_printf( " ok\n\n" );
+    mbedtls_printf(" ok\n\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    if( fpub  != NULL )
-        fclose( fpub );
+    if (fpub  != NULL) {
+        fclose(fpub);
+    }
 
-    if( fpriv != NULL )
-        fclose( fpriv );
+    if (fpriv != NULL) {
+        fclose(fpriv);
+    }
 
-    mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-    mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
-    mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
-    mbedtls_rsa_free( &rsa );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+    mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
+    mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
+    mbedtls_rsa_free(&rsa);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
 #if defined(_WIN32)
-    mbedtls_printf( "  Press Enter to exit this program.\n" );
-    fflush( stdout ); getchar();
+    mbedtls_printf("  Press Enter to exit this program.\n");
+    fflush(stdout); getchar();
 #endif
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_RSA_C &&
           MBEDTLS_GENPRIME && MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */