Switch to the new code style

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/programs/ssl/ssl_test_common_source.c b/programs/ssl/ssl_test_common_source.c
index 42d8d11..9115cd1 100644
--- a/programs/ssl/ssl_test_common_source.c
+++ b/programs/ssl/ssl_test_common_source.c
@@ -24,174 +24,176 @@
  *  limitations under the License.
  */
 
-void eap_tls_key_derivation( void *p_expkey,
-                             mbedtls_ssl_key_export_type secret_type,
-                             const unsigned char *secret,
-                             size_t secret_len,
-                             const unsigned char client_random[32],
-                             const unsigned char server_random[32],
-                             mbedtls_tls_prf_types tls_prf_type )
+void eap_tls_key_derivation(void *p_expkey,
+                            mbedtls_ssl_key_export_type secret_type,
+                            const unsigned char *secret,
+                            size_t secret_len,
+                            const unsigned char client_random[32],
+                            const unsigned char server_random[32],
+                            mbedtls_tls_prf_types tls_prf_type)
 {
-    eap_tls_keys *keys = (eap_tls_keys *)p_expkey;
+    eap_tls_keys *keys = (eap_tls_keys *) p_expkey;
 
     /* We're only interested in the TLS 1.2 master secret */
-    if( secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET )
+    if (secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET) {
         return;
-    if( secret_len != sizeof( keys->master_secret ) )
+    }
+    if (secret_len != sizeof(keys->master_secret)) {
         return;
+    }
 
-    memcpy( keys->master_secret, secret, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
+    memcpy(keys->master_secret, secret, sizeof(keys->master_secret));
+    memcpy(keys->randbytes, client_random, 32);
+    memcpy(keys->randbytes + 32, server_random, 32);
     keys->tls_prf_type = tls_prf_type;
 }
 
-void nss_keylog_export( void *p_expkey,
-                        mbedtls_ssl_key_export_type secret_type,
-                        const unsigned char *secret,
-                        size_t secret_len,
-                        const unsigned char client_random[32],
-                        const unsigned char server_random[32],
-                        mbedtls_tls_prf_types tls_prf_type )
+void nss_keylog_export(void *p_expkey,
+                       mbedtls_ssl_key_export_type secret_type,
+                       const unsigned char *secret,
+                       size_t secret_len,
+                       const unsigned char client_random[32],
+                       const unsigned char server_random[32],
+                       mbedtls_tls_prf_types tls_prf_type)
 {
-    char nss_keylog_line[ 200 ];
+    char nss_keylog_line[200];
     size_t const client_random_len = 32;
     size_t len = 0;
     size_t j;
 
     /* We're only interested in the TLS 1.2 master secret */
-    if( secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET )
+    if (secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET) {
         return;
+    }
 
     ((void) p_expkey);
     ((void) server_random);
     ((void) tls_prf_type);
 
-    len += sprintf( nss_keylog_line + len,
-                    "%s", "CLIENT_RANDOM " );
+    len += sprintf(nss_keylog_line + len,
+                   "%s", "CLIENT_RANDOM ");
 
-    for( j = 0; j < client_random_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", client_random[j] );
+    for (j = 0; j < client_random_len; j++) {
+        len += sprintf(nss_keylog_line + len,
+                       "%02x", client_random[j]);
     }
 
-    len += sprintf( nss_keylog_line + len, " " );
+    len += sprintf(nss_keylog_line + len, " ");
 
-    for( j = 0; j < secret_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", secret[j] );
+    for (j = 0; j < secret_len; j++) {
+        len += sprintf(nss_keylog_line + len,
+                       "%02x", secret[j]);
     }
 
-    len += sprintf( nss_keylog_line + len, "\n" );
-    nss_keylog_line[ len ] = '\0';
+    len += sprintf(nss_keylog_line + len, "\n");
+    nss_keylog_line[len] = '\0';
 
-    mbedtls_printf( "\n" );
-    mbedtls_printf( "---------------- NSS KEYLOG -----------------\n" );
-    mbedtls_printf( "%s", nss_keylog_line );
-    mbedtls_printf( "---------------------------------------------\n" );
+    mbedtls_printf("\n");
+    mbedtls_printf("---------------- NSS KEYLOG -----------------\n");
+    mbedtls_printf("%s", nss_keylog_line);
+    mbedtls_printf("---------------------------------------------\n");
 
-    if( opt.nss_keylog_file != NULL )
-    {
+    if (opt.nss_keylog_file != NULL) {
         FILE *f;
 
-        if( ( f = fopen( opt.nss_keylog_file, "a" ) ) == NULL )
-        {
+        if ((f = fopen(opt.nss_keylog_file, "a")) == NULL) {
             goto exit;
         }
 
         /* Ensure no stdio buffering of secrets, as such buffers cannot be
          * wiped. */
-        mbedtls_setbuf( f, NULL );
+        mbedtls_setbuf(f, NULL);
 
-        if( fwrite( nss_keylog_line, 1, len, f ) != len )
-        {
-            fclose( f );
+        if (fwrite(nss_keylog_line, 1, len, f) != len) {
+            fclose(f);
             goto exit;
         }
 
-        fclose( f );
+        fclose(f);
     }
 
 exit:
-    mbedtls_platform_zeroize( nss_keylog_line,
-                              sizeof( nss_keylog_line ) );
+    mbedtls_platform_zeroize(nss_keylog_line,
+                             sizeof(nss_keylog_line));
 }
 
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-void dtls_srtp_key_derivation( void *p_expkey,
-                               mbedtls_ssl_key_export_type secret_type,
-                               const unsigned char *secret,
-                               size_t secret_len,
-                               const unsigned char client_random[32],
-                               const unsigned char server_random[32],
-                               mbedtls_tls_prf_types tls_prf_type )
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+void dtls_srtp_key_derivation(void *p_expkey,
+                              mbedtls_ssl_key_export_type secret_type,
+                              const unsigned char *secret,
+                              size_t secret_len,
+                              const unsigned char client_random[32],
+                              const unsigned char server_random[32],
+                              mbedtls_tls_prf_types tls_prf_type)
 {
-    dtls_srtp_keys *keys = (dtls_srtp_keys *)p_expkey;
+    dtls_srtp_keys *keys = (dtls_srtp_keys *) p_expkey;
 
     /* We're only interested in the TLS 1.2 master secret */
-    if( secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET )
+    if (secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET) {
         return;
-    if( secret_len != sizeof( keys->master_secret ) )
+    }
+    if (secret_len != sizeof(keys->master_secret)) {
         return;
+    }
 
-    memcpy( keys->master_secret, secret, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
+    memcpy(keys->master_secret, secret, sizeof(keys->master_secret));
+    memcpy(keys->randbytes, client_random, 32);
+    memcpy(keys->randbytes + 32, server_random, 32);
     keys->tls_prf_type = tls_prf_type;
 }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
-int ssl_check_record( mbedtls_ssl_context const *ssl,
-                      unsigned char const *buf, size_t len )
+int ssl_check_record(mbedtls_ssl_context const *ssl,
+                     unsigned char const *buf, size_t len)
 {
     int my_ret = 0, ret_cr1, ret_cr2;
     unsigned char *tmp_buf;
 
     /* Record checking may modify the input buffer,
      * so make a copy. */
-    tmp_buf = mbedtls_calloc( 1, len );
-    if( tmp_buf == NULL )
-        return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
-    memcpy( tmp_buf, buf, len );
+    tmp_buf = mbedtls_calloc(1, len);
+    if (tmp_buf == NULL) {
+        return MBEDTLS_ERR_SSL_ALLOC_FAILED;
+    }
+    memcpy(tmp_buf, buf, len);
 
-    ret_cr1 = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-    if( ret_cr1 != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE )
-    {
+    ret_cr1 = mbedtls_ssl_check_record(ssl, tmp_buf, len);
+    if (ret_cr1 != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE) {
         /* Test-only: Make sure that mbedtls_ssl_check_record()
          *            doesn't alter state. */
-        memcpy( tmp_buf, buf, len ); /* Restore buffer */
-        ret_cr2 = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-        if( ret_cr2 != ret_cr1 )
-        {
-            mbedtls_printf( "mbedtls_ssl_check_record() returned inconsistent results.\n" );
+        memcpy(tmp_buf, buf, len);   /* Restore buffer */
+        ret_cr2 = mbedtls_ssl_check_record(ssl, tmp_buf, len);
+        if (ret_cr2 != ret_cr1) {
+            mbedtls_printf("mbedtls_ssl_check_record() returned inconsistent results.\n");
             my_ret = -1;
             goto cleanup;
         }
 
-        switch( ret_cr1 )
-        {
+        switch (ret_cr1) {
             case 0:
                 break;
 
             case MBEDTLS_ERR_SSL_INVALID_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected invalid record.\n" );
+                if (opt.debug_level > 1) {
+                    mbedtls_printf("mbedtls_ssl_check_record() detected invalid record.\n");
+                }
                 break;
 
             case MBEDTLS_ERR_SSL_INVALID_MAC:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unauthentic record.\n" );
+                if (opt.debug_level > 1) {
+                    mbedtls_printf("mbedtls_ssl_check_record() detected unauthentic record.\n");
+                }
                 break;
 
             case MBEDTLS_ERR_SSL_UNEXPECTED_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unexpected record.\n" );
+                if (opt.debug_level > 1) {
+                    mbedtls_printf("mbedtls_ssl_check_record() detected unexpected record.\n");
+                }
                 break;
 
             default:
-                mbedtls_printf( "mbedtls_ssl_check_record() failed fatally with -%#04x.\n", (unsigned int) -ret_cr1 );
+                mbedtls_printf("mbedtls_ssl_check_record() failed fatally with -%#04x.\n",
+                               (unsigned int) -ret_cr1);
                 my_ret = -1;
                 goto cleanup;
         }
@@ -200,69 +202,73 @@
     }
 
 cleanup:
-    mbedtls_free( tmp_buf );
+    mbedtls_free(tmp_buf);
 
-    return( my_ret );
+    return my_ret;
 }
 
-int recv_cb( void *ctx, unsigned char *buf, size_t len )
+int recv_cb(void *ctx, unsigned char *buf, size_t len)
 {
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    io_ctx_t *io_ctx = (io_ctx_t *) ctx;
     size_t recv_len;
     int ret;
 
-    if( opt.nbio == 2 )
-        ret = delayed_recv( io_ctx->net, buf, len );
-    else
-        ret = mbedtls_net_recv( io_ctx->net, buf, len );
-    if( ret < 0 )
-        return( ret );
+    if (opt.nbio == 2) {
+        ret = delayed_recv(io_ctx->net, buf, len);
+    } else {
+        ret = mbedtls_net_recv(io_ctx->net, buf, len);
+    }
+    if (ret < 0) {
+        return ret;
+    }
     recv_len = (size_t) ret;
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
         /* Here's the place to do any datagram/record checking
          * in between receiving the packet from the underlying
          * transport and passing it on to the TLS stack. */
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return( -1 );
+        if (ssl_check_record(io_ctx->ssl, buf, recv_len) != 0) {
+            return -1;
+        }
     }
 
-    return( (int) recv_len );
+    return (int) recv_len;
 }
 
-int recv_timeout_cb( void *ctx, unsigned char *buf, size_t len,
-                     uint32_t timeout )
+int recv_timeout_cb(void *ctx, unsigned char *buf, size_t len,
+                    uint32_t timeout)
 {
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    io_ctx_t *io_ctx = (io_ctx_t *) ctx;
     int ret;
     size_t recv_len;
 
-    ret = mbedtls_net_recv_timeout( io_ctx->net, buf, len, timeout );
-    if( ret < 0 )
-        return( ret );
+    ret = mbedtls_net_recv_timeout(io_ctx->net, buf, len, timeout);
+    if (ret < 0) {
+        return ret;
+    }
     recv_len = (size_t) ret;
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
         /* Here's the place to do any datagram/record checking
          * in between receiving the packet from the underlying
          * transport and passing it on to the TLS stack. */
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return( -1 );
+        if (ssl_check_record(io_ctx->ssl, buf, recv_len) != 0) {
+            return -1;
+        }
     }
 
-    return( (int) recv_len );
+    return (int) recv_len;
 }
 
-int send_cb( void *ctx, unsigned char const *buf, size_t len )
+int send_cb(void *ctx, unsigned char const *buf, size_t len)
 {
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    io_ctx_t *io_ctx = (io_ctx_t *) ctx;
 
-    if( opt.nbio == 2 )
-        return( delayed_send( io_ctx->net, buf, len ) );
+    if (opt.nbio == 2) {
+        return delayed_send(io_ctx->net, buf, len);
+    }
 
-    return( mbedtls_net_send( io_ctx->net, buf, len ) );
+    return mbedtls_net_send(io_ctx->net, buf, len);
 }
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
@@ -276,46 +282,46 @@
  *   for its signature in the key exchange message. As Mbed TLS 1.2 does not
  *   support them, the handshake fails.
  */
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_ECDSA), \
-                                    (( hash << 8 ) | MBEDTLS_SSL_SIG_RSA), \
-                                    ( 0x800 | hash ),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_ECDSA), \
+    ((hash << 8) | MBEDTLS_SSL_SIG_RSA), \
+    (0x800 | hash),
 #else
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_ECDSA), \
-                                    (( hash << 8 ) | MBEDTLS_SSL_SIG_RSA),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_ECDSA), \
+    ((hash << 8) | MBEDTLS_SSL_SIG_RSA),
 #endif
 #elif defined(MBEDTLS_ECDSA_C)
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_ECDSA),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_ECDSA),
 #elif defined(MBEDTLS_RSA_C)
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 /* See above */
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_RSA), \
-                                    ( 0x800 | hash ),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_RSA), \
+    (0x800 | hash),
 #else
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_RSA),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_RSA),
 #endif
 #else
-#define MBEDTLS_SSL_SIG_ALG( hash )
+#define MBEDTLS_SSL_SIG_ALG(hash)
 #endif
 
 uint16_t ssl_sig_algs_for_test[] = {
 #if defined(MBEDTLS_HAS_ALG_SHA_512_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA512 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA512)
 #endif
 #if defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA384 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA384)
 #endif
 #if defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA256 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA256)
 #endif
 #if defined(MBEDTLS_HAS_ALG_SHA_224_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA224 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA224)
 #endif
 #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
     MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256,
 #endif /* MBEDTLS_RSA_C && MBEDTLS_SHA256_C */
 #if defined(MBEDTLS_HAS_ALG_SHA_1_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
     /* Allow SHA-1 as we use it extensively in tests. */
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA1 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA1)
 #endif
     MBEDTLS_TLS1_3_SIG_NONE
 };
@@ -325,21 +331,21 @@
 /** Functionally equivalent to mbedtls_x509_crt_verify_info, see that function
  *  for more info.
  */
-int x509_crt_verify_info( char *buf, size_t size, const char *prefix,
-                          uint32_t flags )
+int x509_crt_verify_info(char *buf, size_t size, const char *prefix,
+                         uint32_t flags)
 {
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
-    return( mbedtls_x509_crt_verify_info( buf, size, prefix, flags ) );
+    return mbedtls_x509_crt_verify_info(buf, size, prefix, flags);
 
 #else /* !MBEDTLS_X509_REMOVE_INFO */
     int ret;
     char *p = buf;
     size_t n = size;
 
-#define X509_CRT_ERROR_INFO( err, err_str, info )                      \
-    if( ( flags & err ) != 0 )                                         \
+#define X509_CRT_ERROR_INFO(err, err_str, info)                      \
+    if ((flags & err) != 0)                                         \
     {                                                                  \
-        ret = mbedtls_snprintf( p, n, "%s%s\n", prefix, info );        \
+        ret = mbedtls_snprintf(p, n, "%s%s\n", prefix, info);        \
         MBEDTLS_X509_SAFE_SNPRINTF;                                    \
         flags ^= err;                                                  \
     }
@@ -347,21 +353,20 @@
     MBEDTLS_X509_CRT_ERROR_INFO_LIST
 #undef X509_CRT_ERROR_INFO
 
-    if( flags != 0 )
-    {
-        ret = mbedtls_snprintf( p, n, "%sUnknown reason "
-                                       "(this should not happen)\n", prefix );
+    if (flags != 0) {
+        ret = mbedtls_snprintf(p, n, "%sUnknown reason "
+                                     "(this should not happen)\n", prefix);
         MBEDTLS_X509_SAFE_SNPRINTF;
     }
 
-    return( (int) ( size - n ) );
+    return (int) (size - n);
 #endif /* MBEDTLS_X509_REMOVE_INFO */
 }
 #endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-void mbedtls_print_supported_sig_algs( void )
+void mbedtls_print_supported_sig_algs(void)
 {
-    mbedtls_printf( "supported signature algorithms:\n" );
+    mbedtls_printf("supported signature algorithms:\n");
     mbedtls_printf("\trsa_pkcs1_sha256 ");
     mbedtls_printf("rsa_pkcs1_sha384 ");
     mbedtls_printf("rsa_pkcs1_sha512\n");
@@ -378,5 +383,5 @@
     mbedtls_printf("ed448 ");
     mbedtls_printf("rsa_pkcs1_sha1 ");
     mbedtls_printf("ecdsa_sha1\n");
-    mbedtls_printf( "\n" );
+    mbedtls_printf("\n");
 }