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/include/mbedtls/chachapoly.h b/include/mbedtls/chachapoly.h
index 3f4318f..30fc91b 100644
--- a/include/mbedtls/chachapoly.h
+++ b/include/mbedtls/chachapoly.h
@@ -39,9 +39,9 @@
 #include "mbedtls/poly1305.h"
 
 /** The requested operation is not permitted in the current state. */
-#define MBEDTLS_ERR_CHACHAPOLY_BAD_STATE            -0x0054
+#define MBEDTLS_ERR_CHACHAPOLY_BAD_STATE -0x0054
 /** Authenticated decryption failed: data was not authentic. */
-#define MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED          -0x0056
+#define MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED -0x0056
 
 #ifdef __cplusplus
 extern "C" {
@@ -49,28 +49,31 @@
 
 typedef enum
 {
-    MBEDTLS_CHACHAPOLY_ENCRYPT,     /**< The mode value for performing encryption. */
-    MBEDTLS_CHACHAPOLY_DECRYPT      /**< The mode value for performing decryption. */
-}
-mbedtls_chachapoly_mode_t;
+    MBEDTLS_CHACHAPOLY_ENCRYPT, /**< The mode value for performing encryption.
+                                 */
+    MBEDTLS_CHACHAPOLY_DECRYPT /**< The mode value for performing decryption. */
+} mbedtls_chachapoly_mode_t;
 
 #if !defined(MBEDTLS_CHACHAPOLY_ALT)
 
-#include "mbedtls/chacha20.h"
+#    include "mbedtls/chacha20.h"
 
-typedef struct mbedtls_chachapoly_context
-{
-    mbedtls_chacha20_context MBEDTLS_PRIVATE(chacha20_ctx);  /**< The ChaCha20 context. */
-    mbedtls_poly1305_context MBEDTLS_PRIVATE(poly1305_ctx);  /**< The Poly1305 context. */
-    uint64_t MBEDTLS_PRIVATE(aad_len);                       /**< The length (bytes) of the Additional Authenticated Data. */
-    uint64_t MBEDTLS_PRIVATE(ciphertext_len);                /**< The length (bytes) of the ciphertext. */
-    int MBEDTLS_PRIVATE(state);                              /**< The current state of the context. */
-    mbedtls_chachapoly_mode_t MBEDTLS_PRIVATE(mode);         /**< Cipher mode (encrypt or decrypt). */
-}
-mbedtls_chachapoly_context;
+typedef struct mbedtls_chachapoly_context {
+    mbedtls_chacha20_context MBEDTLS_PRIVATE(chacha20_ctx); /**< The ChaCha20
+                                                               context. */
+    mbedtls_poly1305_context MBEDTLS_PRIVATE(poly1305_ctx); /**< The Poly1305
+                                                               context. */
+    uint64_t MBEDTLS_PRIVATE(aad_len); /**< The length (bytes) of the Additional
+                                          Authenticated Data. */
+    uint64_t MBEDTLS_PRIVATE(ciphertext_len); /**< The length (bytes) of the
+                                                 ciphertext. */
+    int MBEDTLS_PRIVATE(state); /**< The current state of the context. */
+    mbedtls_chachapoly_mode_t MBEDTLS_PRIVATE(mode); /**< Cipher mode (encrypt
+                                                        or decrypt). */
+} mbedtls_chachapoly_context;
 
 #else /* !MBEDTLS_CHACHAPOLY_ALT */
-#include "chachapoly_alt.h"
+#    include "chachapoly_alt.h"
 #endif /* !MBEDTLS_CHACHAPOLY_ALT */
 
 /**
@@ -115,7 +118,7 @@
  *
  * \param ctx       The ChachaPoly context to initialize. Must not be \c NULL.
  */
-void mbedtls_chachapoly_init( mbedtls_chachapoly_context *ctx );
+void mbedtls_chachapoly_init(mbedtls_chachapoly_context *ctx);
 
 /**
  * \brief           This function releases and clears the specified
@@ -124,7 +127,7 @@
  * \param ctx       The ChachaPoly context to clear. This may be \c NULL, in which
  *                  case this function is a no-op.
  */
-void mbedtls_chachapoly_free( mbedtls_chachapoly_context *ctx );
+void mbedtls_chachapoly_free(mbedtls_chachapoly_context *ctx);
 
 /**
  * \brief           This function sets the ChaCha20-Poly1305
@@ -137,8 +140,8 @@
  * \return          \c 0 on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_chachapoly_setkey( mbedtls_chachapoly_context *ctx,
-                               const unsigned char key[32] );
+int mbedtls_chachapoly_setkey(mbedtls_chachapoly_context *ctx,
+                              const unsigned char key[32]);
 
 /**
  * \brief           This function starts a ChaCha20-Poly1305 encryption or
@@ -165,9 +168,9 @@
  * \return          \c 0 on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_chachapoly_starts( mbedtls_chachapoly_context *ctx,
-                               const unsigned char nonce[12],
-                               mbedtls_chachapoly_mode_t mode );
+int mbedtls_chachapoly_starts(mbedtls_chachapoly_context *ctx,
+                              const unsigned char nonce[12],
+                              mbedtls_chachapoly_mode_t mode);
 
 /**
  * \brief           This function feeds additional data to be authenticated
@@ -208,9 +211,9 @@
  *                  if the operations has not been started or has been
  *                  finished, or if the AAD has been finished.
  */
-int mbedtls_chachapoly_update_aad( mbedtls_chachapoly_context *ctx,
-                                   const unsigned char *aad,
-                                   size_t aad_len );
+int mbedtls_chachapoly_update_aad(mbedtls_chachapoly_context *ctx,
+                                  const unsigned char *aad,
+                                  size_t aad_len);
 
 /**
  * \brief           Thus function feeds data to be encrypted or decrypted
@@ -243,10 +246,10 @@
  *                  finished.
  * \return          Another negative error code on other kinds of failure.
  */
-int mbedtls_chachapoly_update( mbedtls_chachapoly_context *ctx,
-                               size_t len,
-                               const unsigned char *input,
-                               unsigned char *output );
+int mbedtls_chachapoly_update(mbedtls_chachapoly_context *ctx,
+                              size_t len,
+                              const unsigned char *input,
+                              unsigned char *output);
 
 /**
  * \brief           This function finished the ChaCha20-Poly1305 operation and
@@ -264,8 +267,8 @@
  *                  finished.
  * \return          Another negative error code on other kinds of failure.
  */
-int mbedtls_chachapoly_finish( mbedtls_chachapoly_context *ctx,
-                               unsigned char mac[16] );
+int mbedtls_chachapoly_finish(mbedtls_chachapoly_context *ctx,
+                              unsigned char mac[16]);
 
 /**
  * \brief           This function performs a complete ChaCha20-Poly1305
@@ -296,14 +299,14 @@
  * \return          \c 0 on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_chachapoly_encrypt_and_tag( mbedtls_chachapoly_context *ctx,
-                                        size_t length,
-                                        const unsigned char nonce[12],
-                                        const unsigned char *aad,
-                                        size_t aad_len,
-                                        const unsigned char *input,
-                                        unsigned char *output,
-                                        unsigned char tag[16] );
+int mbedtls_chachapoly_encrypt_and_tag(mbedtls_chachapoly_context *ctx,
+                                       size_t length,
+                                       const unsigned char nonce[12],
+                                       const unsigned char *aad,
+                                       size_t aad_len,
+                                       const unsigned char *input,
+                                       unsigned char *output,
+                                       unsigned char tag[16]);
 
 /**
  * \brief           This function performs a complete ChaCha20-Poly1305
@@ -330,14 +333,14 @@
  *                  if the data was not authentic.
  * \return          Another negative error code on other kinds of failure.
  */
-int mbedtls_chachapoly_auth_decrypt( mbedtls_chachapoly_context *ctx,
-                                     size_t length,
-                                     const unsigned char nonce[12],
-                                     const unsigned char *aad,
-                                     size_t aad_len,
-                                     const unsigned char tag[16],
-                                     const unsigned char *input,
-                                     unsigned char *output );
+int mbedtls_chachapoly_auth_decrypt(mbedtls_chachapoly_context *ctx,
+                                    size_t length,
+                                    const unsigned char nonce[12],
+                                    const unsigned char *aad,
+                                    size_t aad_len,
+                                    const unsigned char tag[16],
+                                    const unsigned char *input,
+                                    unsigned char *output);
 
 #if defined(MBEDTLS_SELF_TEST)
 /**
@@ -346,7 +349,7 @@
  * \return          \c 0 on success.
  * \return          \c 1 on failure.
  */
-int mbedtls_chachapoly_self_test( int verbose );
+int mbedtls_chachapoly_self_test(int verbose);
 #endif /* MBEDTLS_SELF_TEST */
 
 #ifdef __cplusplus