Apply clang formatting.

Executed with:
`find . -regextype posix-egrep -regex ".*\.([hc]|fmt|function)" | xargs -L1 clang-format-12 -i`

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/programs/ssl/ssl_test_common_source.c b/programs/ssl/ssl_test_common_source.c
index 6ca7af3..164c7b3 100644
--- a/programs/ssl/ssl_test_common_source.c
+++ b/programs/ssl/ssl_test_common_source.c
@@ -25,172 +25,167 @@
  */
 
 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
-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;
 
     /* 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);
+    ((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;
         }
 
-        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;
 
     /* 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 */
+#    endif /* MBEDTLS_SSL_DTLS_SRTP */
 
 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
-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;
         }
@@ -199,89 +194,86 @@
     }
 
 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 );
+    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;
+        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 ;
-    recv_len = (size_t) 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)
 int ssl_sig_hashes_for_test[] = {
-#if defined(MBEDTLS_SHA512_C)
+#    if defined(MBEDTLS_SHA512_C)
     MBEDTLS_MD_SHA512,
-#endif
-#if defined(MBEDTLS_SHA384_C)
+#    endif
+#    if defined(MBEDTLS_SHA384_C)
     MBEDTLS_MD_SHA384,
-#endif
-#if defined(MBEDTLS_SHA256_C)
+#    endif
+#    if defined(MBEDTLS_SHA256_C)
     MBEDTLS_MD_SHA256,
-#endif
-#if defined(MBEDTLS_SHA224_C)
+#    endif
+#    if defined(MBEDTLS_SHA224_C)
     MBEDTLS_MD_SHA224,
-#endif
-#if defined(MBEDTLS_SHA1_C)
+#    endif
+#    if defined(MBEDTLS_SHA1_C)
     /* Allow SHA-1 as we use it extensively in tests. */
     MBEDTLS_MD_SHA1,
-#endif
+#    endif
     MBEDTLS_MD_NONE
 };
 #endif /* MBEDTLS_X509_CRT_PARSE_C */
@@ -290,36 +282,38 @@
 /** 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 ) ;
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
+    return mbedtls_x509_crt_verify_info(buf, size, prefix, flags);
 
-#else /* !MBEDTLS_X509_REMOVE_INFO */
+#    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 )                                         \
-    {                                                                  \
-        ret = mbedtls_snprintf( p, n, "%s%s\n", prefix, info );        \
-        MBEDTLS_X509_SAFE_SNPRINTF;                                    \
-        flags ^= err;                                                  \
-    }
+#        define X509_CRT_ERROR_INFO(err, err_str, info)               \
+            if ((flags & err) != 0) {                                 \
+                ret = mbedtls_snprintf(p, n, "%s%s\n", prefix, info); \
+                MBEDTLS_X509_SAFE_SNPRINTF;                           \
+                flags ^= err;                                         \
+            }
 
     MBEDTLS_X509_CRT_ERROR_INFO_LIST
-#undef X509_CRT_ERROR_INFO
+#        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 ) );
-#endif /* MBEDTLS_X509_REMOVE_INFO */
+    return ((int)(size - n));
+#    endif /* MBEDTLS_X509_REMOVE_INFO */
 }
 #endif /* MBEDTLS_X509_CRT_PARSE_C */