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/fuzz/fuzz_privkey.c b/programs/fuzz/fuzz_privkey.c
index b9a160e..d84ba7b 100644
--- a/programs/fuzz/fuzz_privkey.c
+++ b/programs/fuzz/fuzz_privkey.c
@@ -5,75 +5,80 @@
 #include "mbedtls/pk.h"
 #include "common.h"
 
-//4 Kb should be enough for every bug ;-)
+// 4 Kb should be enough for every bug ;-)
 #define MAX_LEN 0x1000
 
-
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #ifdef MBEDTLS_PK_PARSE_C
     int ret;
     mbedtls_pk_context pk;
 
     if (Size > MAX_LEN) {
-        //only work on small inputs
+        // only work on small inputs
         Size = MAX_LEN;
     }
 
-    mbedtls_pk_init( &pk );
-    ret = mbedtls_pk_parse_key( &pk, Data, Size, NULL, 0,
-                                dummy_random, NULL );
+    mbedtls_pk_init(&pk);
+    ret = mbedtls_pk_parse_key(&pk, Data, Size, NULL, 0, dummy_random, NULL);
     if (ret == 0) {
-#if defined(MBEDTLS_RSA_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_RSA )
-        {
+#    if defined(MBEDTLS_RSA_C)
+        if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_RSA) {
             mbedtls_mpi N, P, Q, D, E, DP, DQ, QP;
             mbedtls_rsa_context *rsa;
 
-            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_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);
 
-            rsa = mbedtls_pk_rsa( pk );
-            if ( mbedtls_rsa_export( rsa, &N, &P, &Q, &D, &E ) != 0 ) {
+            rsa = mbedtls_pk_rsa(pk);
+            if (mbedtls_rsa_export(rsa, &N, &P, &Q, &D, &E) != 0) {
                 abort();
             }
-            if ( mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) != 0 ) {
+            if (mbedtls_rsa_export_crt(rsa, &DP, &DQ, &QP) != 0) {
                 abort();
             }
 
-            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 );
-        }
-        else
-#endif
-#if defined(MBEDTLS_ECP_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY ||
-            mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY_DH )
-        {
-            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk );
+            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);
+        } else
+#    endif
+#    if defined(MBEDTLS_ECP_C)
+            if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY ||
+                mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY_DH) {
+            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(pk);
             mbedtls_ecp_group_id grp_id = ecp->grp.id;
             const mbedtls_ecp_curve_info *curve_info =
-                mbedtls_ecp_curve_info_from_grp_id( grp_id );
+                mbedtls_ecp_curve_info_from_grp_id(grp_id);
 
             /* If the curve is not supported, the key should not have been
              * accepted. */
-            if( curve_info == NULL )
-                abort( );
-        }
-        else
-#endif
+            if (curve_info == NULL)
+                abort();
+        } else
+#    endif
         {
             /* The key is valid but is not of a supported type.
              * This should not happen. */
-            abort( );
+            abort();
         }
     }
-    mbedtls_pk_free( &pk );
+    mbedtls_pk_free(&pk);
 #else
-    (void) Data;
-    (void) Size;
-#endif //MBEDTLS_PK_PARSE_C
+    (void)Data;
+    (void)Size;
+#endif // MBEDTLS_PK_PARSE_C
 
     return 0;
 }