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/hmac_drbg.h b/include/mbedtls/hmac_drbg.h
index 8c0e72d..39401cb 100644
--- a/include/mbedtls/hmac_drbg.h
+++ b/include/mbedtls/hmac_drbg.h
@@ -32,55 +32,56 @@
 #include "mbedtls/md.h"
 
 #if defined(MBEDTLS_THREADING_C)
-#include "mbedtls/threading.h"
+#    include "mbedtls/threading.h"
 #endif
 
 /*
  * Error codes
  */
 /** Too many random requested in single call. */
-#define MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG              -0x0003
+#define MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG -0x0003
 /** Input too large (Entropy + additional). */
-#define MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG                -0x0005
+#define MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG -0x0005
 /** Read/write error in file. */
-#define MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR                -0x0007
+#define MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR -0x0007
 /** The entropy source failed. */
-#define MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED        -0x0009
+#define MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED -0x0009
 
 /**
  * \name SECTION: Module settings
  *
  * The configuration options you can set for this module are in this section.
- * Either change them in mbedtls_config.h or define them on the compiler command line.
+ * Either change them in mbedtls_config.h or define them on the compiler command
+ * line.
  * \{
  */
 
 #if !defined(MBEDTLS_HMAC_DRBG_RESEED_INTERVAL)
 /** Interval before reseed is performed by default */
-#define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL   10000
+#    define MBEDTLS_HMAC_DRBG_RESEED_INTERVAL 10000
 #endif
 
 #if !defined(MBEDTLS_HMAC_DRBG_MAX_INPUT)
 /** Maximum number of additional input bytes */
-#define MBEDTLS_HMAC_DRBG_MAX_INPUT         256
+#    define MBEDTLS_HMAC_DRBG_MAX_INPUT 256
 #endif
 
 #if !defined(MBEDTLS_HMAC_DRBG_MAX_REQUEST)
 /** Maximum number of requested bytes per call */
-#define MBEDTLS_HMAC_DRBG_MAX_REQUEST       1024
+#    define MBEDTLS_HMAC_DRBG_MAX_REQUEST 1024
 #endif
 
 #if !defined(MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT)
 /** Maximum size of (re)seed buffer */
-#define MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT    384
+#    define MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT 384
 #endif
 
 /* \} name SECTION: Module settings */
 
 /** No prediction resistance       */
-#define MBEDTLS_HMAC_DRBG_PR_OFF   0
+#define MBEDTLS_HMAC_DRBG_PR_OFF 0
 /** Prediction resistance enabled  */
-#define MBEDTLS_HMAC_DRBG_PR_ON    1
+#define MBEDTLS_HMAC_DRBG_PR_ON 1
 
 #ifdef __cplusplus
 extern "C" {
@@ -89,23 +90,29 @@
 /**
  * HMAC_DRBG context.
  */
-typedef struct mbedtls_hmac_drbg_context
-{
+typedef struct mbedtls_hmac_drbg_context {
     /* Working state: the key K is not stored explicitly,
      * but is implied by the HMAC context */
-    mbedtls_md_context_t MBEDTLS_PRIVATE(md_ctx);                    /*!< HMAC context (inc. K)  */
-    unsigned char MBEDTLS_PRIVATE(V)[MBEDTLS_MD_MAX_SIZE];  /*!< V in the spec          */
-    int MBEDTLS_PRIVATE(reseed_counter);                     /*!< reseed counter         */
+    mbedtls_md_context_t MBEDTLS_PRIVATE(md_ctx); /*!< HMAC context (inc. K)  */
+    unsigned char MBEDTLS_PRIVATE(V)[MBEDTLS_MD_MAX_SIZE]; /*!< V in the spec */
+    int MBEDTLS_PRIVATE(reseed_counter); /*!< reseed counter         */
 
     /* Administrative state */
-    size_t MBEDTLS_PRIVATE(entropy_len);         /*!< entropy bytes grabbed on each (re)seed */
-    int MBEDTLS_PRIVATE(prediction_resistance);  /*!< enable prediction resistance (Automatic
-                                     reseed before every random generation) */
-    int MBEDTLS_PRIVATE(reseed_interval);        /*!< reseed interval   */
+    size_t MBEDTLS_PRIVATE(entropy_len); /*!< entropy bytes grabbed on each
+                                            (re)seed */
+    int MBEDTLS_PRIVATE(prediction_resistance); /*!< enable prediction
+                                    resistance (Automatic reseed before every
+                                    random generation) */
+    int MBEDTLS_PRIVATE(reseed_interval); /*!< reseed interval   */
 
     /* Callbacks */
-    int (*MBEDTLS_PRIVATE(f_entropy))(void *, unsigned char *, size_t); /*!< entropy function */
-    void *MBEDTLS_PRIVATE(p_entropy);            /*!< context for the entropy function        */
+    int (*MBEDTLS_PRIVATE(f_entropy))(void *,
+                                      unsigned char *,
+                                      size_t); /*!<
+                                                  entropy
+                                                  function
+                                                */
+    void *MBEDTLS_PRIVATE(p_entropy); /*!< context for the entropy function */
 
 #if defined(MBEDTLS_THREADING_C)
     /* Invariant: the mutex is initialized if and only if
@@ -126,13 +133,14 @@
  * This function makes the context ready for mbedtls_hmac_drbg_seed(),
  * mbedtls_hmac_drbg_seed_buf() or mbedtls_hmac_drbg_free().
  *
- * \note                The reseed interval is #MBEDTLS_HMAC_DRBG_RESEED_INTERVAL
+ * \note                The reseed interval is
+ * #MBEDTLS_HMAC_DRBG_RESEED_INTERVAL
  *                      by default. Override this value by calling
  *                      mbedtls_hmac_drbg_set_reseed_interval().
  *
  * \param ctx           HMAC_DRBG context to be initialized.
  */
-void mbedtls_hmac_drbg_init( mbedtls_hmac_drbg_context *ctx );
+void mbedtls_hmac_drbg_init(mbedtls_hmac_drbg_context *ctx);
 
 /**
  * \brief               HMAC_DRBG initial seeding.
@@ -202,12 +210,12 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
  *                      if the call to \p f_entropy failed.
  */
-int mbedtls_hmac_drbg_seed( mbedtls_hmac_drbg_context *ctx,
-                    const mbedtls_md_info_t * md_info,
-                    int (*f_entropy)(void *, unsigned char *, size_t),
-                    void *p_entropy,
-                    const unsigned char *custom,
-                    size_t len );
+int mbedtls_hmac_drbg_seed(mbedtls_hmac_drbg_context *ctx,
+                           const mbedtls_md_info_t *md_info,
+                           int (*f_entropy)(void *, unsigned char *, size_t),
+                           void *p_entropy,
+                           const unsigned char *custom,
+                           size_t len);
 
 /**
  * \brief               Initilisation of simpified HMAC_DRBG (never reseeds).
@@ -237,9 +245,10 @@
  * \return              #MBEDTLS_ERR_MD_ALLOC_FAILED if there was not enough
  *                      memory to allocate context data.
  */
-int mbedtls_hmac_drbg_seed_buf( mbedtls_hmac_drbg_context *ctx,
-                        const mbedtls_md_info_t * md_info,
-                        const unsigned char *data, size_t data_len );
+int mbedtls_hmac_drbg_seed_buf(mbedtls_hmac_drbg_context *ctx,
+                               const mbedtls_md_info_t *md_info,
+                               const unsigned char *data,
+                               size_t data_len);
 
 /**
  * \brief               This function turns prediction resistance on or off.
@@ -254,8 +263,8 @@
  * \param ctx           The HMAC_DRBG context.
  * \param resistance    #MBEDTLS_HMAC_DRBG_PR_ON or #MBEDTLS_HMAC_DRBG_PR_OFF.
  */
-void mbedtls_hmac_drbg_set_prediction_resistance( mbedtls_hmac_drbg_context *ctx,
-                                          int resistance );
+void mbedtls_hmac_drbg_set_prediction_resistance(mbedtls_hmac_drbg_context *ctx,
+                                                 int resistance);
 
 /**
  * \brief               This function sets the amount of entropy grabbed on each
@@ -266,8 +275,8 @@
  * \param ctx           The HMAC_DRBG context.
  * \param len           The amount of entropy to grab, in bytes.
  */
-void mbedtls_hmac_drbg_set_entropy_len( mbedtls_hmac_drbg_context *ctx,
-                                size_t len );
+void mbedtls_hmac_drbg_set_entropy_len(mbedtls_hmac_drbg_context *ctx,
+                                       size_t len);
 
 /**
  * \brief               Set the reseed interval.
@@ -281,8 +290,8 @@
  * \param ctx           The HMAC_DRBG context.
  * \param interval      The reseed interval.
  */
-void mbedtls_hmac_drbg_set_reseed_interval( mbedtls_hmac_drbg_context *ctx,
-                                    int interval );
+void mbedtls_hmac_drbg_set_reseed_interval(mbedtls_hmac_drbg_context *ctx,
+                                           int interval);
 
 /**
  * \brief               This function updates the state of the HMAC_DRBG context.
@@ -301,8 +310,9 @@
  * \return              \c 0 on success, or an error from the underlying
  *                      hash calculation.
  */
-int mbedtls_hmac_drbg_update( mbedtls_hmac_drbg_context *ctx,
-                              const unsigned char *additional, size_t add_len );
+int mbedtls_hmac_drbg_update(mbedtls_hmac_drbg_context *ctx,
+                             const unsigned char *additional,
+                             size_t add_len);
 
 /**
  * \brief               This function reseeds the HMAC_DRBG context, that is
@@ -328,8 +338,9 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
  *                      if a call to the entropy function failed.
  */
-int mbedtls_hmac_drbg_reseed( mbedtls_hmac_drbg_context *ctx,
-                      const unsigned char *additional, size_t len );
+int mbedtls_hmac_drbg_reseed(mbedtls_hmac_drbg_context *ctx,
+                             const unsigned char *additional,
+                             size_t len);
 
 /**
  * \brief   This function updates an HMAC_DRBG instance with additional
@@ -362,10 +373,11 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG if
  *                      \p add_len > #MBEDTLS_HMAC_DRBG_MAX_INPUT.
  */
-int mbedtls_hmac_drbg_random_with_add( void *p_rng,
-                               unsigned char *output, size_t output_len,
-                               const unsigned char *additional,
-                               size_t add_len );
+int mbedtls_hmac_drbg_random_with_add(void *p_rng,
+                                      unsigned char *output,
+                                      size_t output_len,
+                                      const unsigned char *additional,
+                                      size_t add_len);
 
 /**
  * \brief   This function uses HMAC_DRBG to generate random data.
@@ -394,7 +406,9 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG if
  *                      \p out_len > #MBEDTLS_HMAC_DRBG_MAX_REQUEST.
  */
-int mbedtls_hmac_drbg_random( void *p_rng, unsigned char *output, size_t out_len );
+int mbedtls_hmac_drbg_random(void *p_rng,
+                             unsigned char *output,
+                             size_t out_len);
 
 /**
  * \brief               This function resets HMAC_DRBG context to the state immediately
@@ -402,7 +416,7 @@
  *
  * \param ctx           The HMAC_DRBG context to free.
  */
-void mbedtls_hmac_drbg_free( mbedtls_hmac_drbg_context *ctx );
+void mbedtls_hmac_drbg_free(mbedtls_hmac_drbg_context *ctx);
 
 #if defined(MBEDTLS_FS_IO)
 /**
@@ -416,7 +430,8 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED on reseed
  *                      failure.
  */
-int mbedtls_hmac_drbg_write_seed_file( mbedtls_hmac_drbg_context *ctx, const char *path );
+int mbedtls_hmac_drbg_write_seed_file(mbedtls_hmac_drbg_context *ctx,
+                                      const char *path);
 
 /**
  * \brief               This function reads and updates a seed file. The seed
@@ -432,10 +447,10 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG if the existing
  *                      seed file is too large.
  */
-int mbedtls_hmac_drbg_update_seed_file( mbedtls_hmac_drbg_context *ctx, const char *path );
+int mbedtls_hmac_drbg_update_seed_file(mbedtls_hmac_drbg_context *ctx,
+                                       const char *path);
 #endif /* MBEDTLS_FS_IO */
 
-
 #if defined(MBEDTLS_SELF_TEST)
 /**
  * \brief               The HMAC_DRBG Checkup routine.
@@ -443,7 +458,7 @@
  * \return              \c 0 if successful.
  * \return              \c 1 if the test failed.
  */
-int mbedtls_hmac_drbg_self_test( int verbose );
+int mbedtls_hmac_drbg_self_test(int verbose);
 #endif
 
 #ifdef __cplusplus