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/sha512.h b/include/mbedtls/sha512.h
index 48901cc..9df1476 100644
--- a/include/mbedtls/sha512.h
+++ b/include/mbedtls/sha512.h
@@ -3,7 +3,8 @@
  * \brief This file contains SHA-384 and SHA-512 definitions and functions.
  *
  * The Secure Hash Algorithms 384 and 512 (SHA-384 and SHA-512) cryptographic
- * hash functions are defined in <em>FIPS 180-4: Secure Hash Standard (SHS)</em>.
+ * hash functions are defined in <em>FIPS 180-4: Secure Hash Standard
+ * (SHS)</em>.
  */
 /*
  *  Copyright The Mbed TLS Contributors
@@ -31,7 +32,7 @@
 #include <stdint.h>
 
 /** SHA-512 input data was malformed. */
-#define MBEDTLS_ERR_SHA512_BAD_INPUT_DATA                 -0x0075
+#define MBEDTLS_ERR_SHA512_BAD_INPUT_DATA -0x0075
 
 #ifdef __cplusplus
 extern "C" {
@@ -48,20 +49,19 @@
  *                 checksum calculations. The choice between these two is
  *                 made in the call to mbedtls_sha512_starts().
  */
-typedef struct mbedtls_sha512_context
-{
-    uint64_t MBEDTLS_PRIVATE(total)[2];          /*!< The number of Bytes processed. */
-    uint64_t MBEDTLS_PRIVATE(state)[8];          /*!< The intermediate digest state. */
-    unsigned char MBEDTLS_PRIVATE(buffer)[128];  /*!< The data block being processed. */
-#if defined(MBEDTLS_SHA384_C)
-    int MBEDTLS_PRIVATE(is384);                  /*!< Determines which function to use:
-                                                      0: Use SHA-512, or 1: Use SHA-384. */
-#endif
-}
-mbedtls_sha512_context;
+typedef struct mbedtls_sha512_context {
+    uint64_t MBEDTLS_PRIVATE(total)[2]; /*!< The number of Bytes processed. */
+    uint64_t MBEDTLS_PRIVATE(state)[8]; /*!< The intermediate digest state. */
+    unsigned char MBEDTLS_PRIVATE(buffer)[128]; /*!< The data block being
+                                                   processed. */
+#    if defined(MBEDTLS_SHA384_C)
+    int MBEDTLS_PRIVATE(is384); /*!< Determines which function to use:
+                                     0: Use SHA-512, or 1: Use SHA-384. */
+#    endif
+} mbedtls_sha512_context;
 
-#else  /* MBEDTLS_SHA512_ALT */
-#include "sha512_alt.h"
+#else /* MBEDTLS_SHA512_ALT */
+#    include "sha512_alt.h"
 #endif /* MBEDTLS_SHA512_ALT */
 
 /**
@@ -70,7 +70,7 @@
  * \param ctx      The SHA-512 context to initialize. This must
  *                 not be \c NULL.
  */
-void mbedtls_sha512_init( mbedtls_sha512_context *ctx );
+void mbedtls_sha512_init(mbedtls_sha512_context *ctx);
 
 /**
  * \brief          This function clears a SHA-512 context.
@@ -80,7 +80,7 @@
  *                 is not \c NULL, it must point to an initialized
  *                 SHA-512 context.
  */
-void mbedtls_sha512_free( mbedtls_sha512_context *ctx );
+void mbedtls_sha512_free(mbedtls_sha512_context *ctx);
 
 /**
  * \brief          This function clones the state of a SHA-512 context.
@@ -88,8 +88,8 @@
  * \param dst      The destination context. This must be initialized.
  * \param src      The context to clone. This must be initialized.
  */
-void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
-                           const mbedtls_sha512_context *src );
+void mbedtls_sha512_clone(mbedtls_sha512_context *dst,
+                          const mbedtls_sha512_context *src);
 
 /**
  * \brief          This function starts a SHA-384 or SHA-512 checksum
@@ -106,7 +106,7 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 );
+int mbedtls_sha512_starts(mbedtls_sha512_context *ctx, int is384);
 
 /**
  * \brief          This function feeds an input buffer into an ongoing
@@ -121,9 +121,9 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha512_update( mbedtls_sha512_context *ctx,
-                           const unsigned char *input,
-                           size_t ilen );
+int mbedtls_sha512_update(mbedtls_sha512_context *ctx,
+                          const unsigned char *input,
+                          size_t ilen);
 
 /**
  * \brief          This function finishes the SHA-512 operation, and writes
@@ -138,8 +138,7 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha512_finish( mbedtls_sha512_context *ctx,
-                           unsigned char *output );
+int mbedtls_sha512_finish(mbedtls_sha512_context *ctx, unsigned char *output);
 
 /**
  * \brief          This function processes a single data block within
@@ -153,8 +152,8 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
-                                     const unsigned char data[128] );
+int mbedtls_internal_sha512_process(mbedtls_sha512_context *ctx,
+                                    const unsigned char data[128]);
 
 /**
  * \brief          This function calculates the SHA-512 or SHA-384
@@ -182,20 +181,20 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha512( const unsigned char *input,
-                    size_t ilen,
-                    unsigned char *output,
-                    int is384 );
+int mbedtls_sha512(const unsigned char *input,
+                   size_t ilen,
+                   unsigned char *output,
+                   int is384);
 
 #if defined(MBEDTLS_SELF_TEST)
 
- /**
+/**
  * \brief          The SHA-384 or SHA-512 checkup routine.
  *
  * \return         \c 0 on success.
  * \return         \c 1 on failure.
  */
-int mbedtls_sha512_self_test( int verbose );
+int mbedtls_sha512_self_test(int verbose);
 #endif /* MBEDTLS_SELF_TEST */
 
 #ifdef __cplusplus