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/x509_csr.h b/include/mbedtls/x509_csr.h
index 674f9ce..55dc9b8 100644
--- a/include/mbedtls/x509_csr.h
+++ b/include/mbedtls/x509_csr.h
@@ -43,37 +43,46 @@
 /**
  * Certificate Signing Request (CSR) structure.
  */
-typedef struct mbedtls_x509_csr
-{
-    mbedtls_x509_buf MBEDTLS_PRIVATE(raw);           /**< The raw CSR data (DER). */
-    mbedtls_x509_buf MBEDTLS_PRIVATE(cri);           /**< The raw CertificateRequestInfo body (DER). */
+typedef struct mbedtls_x509_csr {
+    mbedtls_x509_buf MBEDTLS_PRIVATE(raw); /**< The raw CSR data (DER). */
+    mbedtls_x509_buf MBEDTLS_PRIVATE(cri); /**< The raw CertificateRequestInfo
+                                              body (DER). */
 
-    int MBEDTLS_PRIVATE(version);            /**< CSR version (1=v1). */
+    int MBEDTLS_PRIVATE(version); /**< CSR version (1=v1). */
 
-    mbedtls_x509_buf  MBEDTLS_PRIVATE(subject_raw);  /**< The raw subject data (DER). */
-    mbedtls_x509_name MBEDTLS_PRIVATE(subject);      /**< The parsed subject data (named information object). */
+    mbedtls_x509_buf MBEDTLS_PRIVATE(subject_raw); /**< The raw subject data
+                                                      (DER). */
+    mbedtls_x509_name MBEDTLS_PRIVATE(subject); /**< The parsed subject data
+                                                   (named information object).
+                                                 */
 
-    mbedtls_pk_context MBEDTLS_PRIVATE(pk);          /**< Container for the public key context. */
+    mbedtls_pk_context MBEDTLS_PRIVATE(pk); /**< Container for the public key
+                                               context. */
 
     mbedtls_x509_buf MBEDTLS_PRIVATE(sig_oid);
     mbedtls_x509_buf MBEDTLS_PRIVATE(sig);
-    mbedtls_md_type_t MBEDTLS_PRIVATE(sig_md);       /**< Internal representation of the MD algorithm of the signature algorithm, e.g. MBEDTLS_MD_SHA256 */
-    mbedtls_pk_type_t MBEDTLS_PRIVATE(sig_pk);       /**< Internal representation of the Public Key algorithm of the signature algorithm, e.g. MBEDTLS_PK_RSA */
-    void *MBEDTLS_PRIVATE(sig_opts);         /**< Signature options to be passed to mbedtls_pk_verify_ext(), e.g. for RSASSA-PSS */
-}
-mbedtls_x509_csr;
+    mbedtls_md_type_t MBEDTLS_PRIVATE(sig_md); /**< Internal representation of
+                                                  the MD algorithm of the
+                                                  signature algorithm, e.g.
+                                                  MBEDTLS_MD_SHA256 */
+    mbedtls_pk_type_t MBEDTLS_PRIVATE(sig_pk); /**< Internal representation of
+                                                  the Public Key algorithm of
+                                                  the signature algorithm, e.g.
+                                                  MBEDTLS_PK_RSA */
+    void *MBEDTLS_PRIVATE(sig_opts); /**< Signature options to be passed to
+                                        mbedtls_pk_verify_ext(), e.g. for
+                                        RSASSA-PSS */
+} mbedtls_x509_csr;
 
 /**
  * Container for writing a CSR
  */
-typedef struct mbedtls_x509write_csr
-{
+typedef struct mbedtls_x509write_csr {
     mbedtls_pk_context *MBEDTLS_PRIVATE(key);
     mbedtls_asn1_named_data *MBEDTLS_PRIVATE(subject);
     mbedtls_md_type_t MBEDTLS_PRIVATE(md_alg);
     mbedtls_asn1_named_data *MBEDTLS_PRIVATE(extensions);
-}
-mbedtls_x509write_csr;
+} mbedtls_x509write_csr;
 
 #if defined(MBEDTLS_X509_CSR_PARSE_C)
 /**
@@ -87,8 +96,9 @@
  *
  * \return         0 if successful, or a specific X509 error code
  */
-int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr,
-                        const unsigned char *buf, size_t buflen );
+int mbedtls_x509_csr_parse_der(mbedtls_x509_csr *csr,
+                               const unsigned char *buf,
+                               size_t buflen);
 
 /**
  * \brief          Load a Certificate Signing Request (CSR), DER or PEM format
@@ -102,9 +112,11 @@
  *
  * \return         0 if successful, or a specific X509 or PEM error code
  */
-int mbedtls_x509_csr_parse( mbedtls_x509_csr *csr, const unsigned char *buf, size_t buflen );
+int mbedtls_x509_csr_parse(mbedtls_x509_csr *csr,
+                           const unsigned char *buf,
+                           size_t buflen);
 
-#if defined(MBEDTLS_FS_IO)
+#    if defined(MBEDTLS_FS_IO)
 /**
  * \brief          Load a Certificate Signing Request (CSR)
  *
@@ -115,10 +127,10 @@
  *
  * \return         0 if successful, or a specific X509 or PEM error code
  */
-int mbedtls_x509_csr_parse_file( mbedtls_x509_csr *csr, const char *path );
-#endif /* MBEDTLS_FS_IO */
+int mbedtls_x509_csr_parse_file(mbedtls_x509_csr *csr, const char *path);
+#    endif /* MBEDTLS_FS_IO */
 
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
 /**
  * \brief          Returns an informational string about the
  *                 CSR.
@@ -131,23 +143,25 @@
  * \return         The length of the string written (not including the
  *                 terminated nul byte), or a negative error code.
  */
-int mbedtls_x509_csr_info( char *buf, size_t size, const char *prefix,
-                   const mbedtls_x509_csr *csr );
-#endif /* !MBEDTLS_X509_REMOVE_INFO */
+int mbedtls_x509_csr_info(char *buf,
+                          size_t size,
+                          const char *prefix,
+                          const mbedtls_x509_csr *csr);
+#    endif /* !MBEDTLS_X509_REMOVE_INFO */
 
 /**
  * \brief          Initialize a CSR
  *
  * \param csr      CSR to initialize
  */
-void mbedtls_x509_csr_init( mbedtls_x509_csr *csr );
+void mbedtls_x509_csr_init(mbedtls_x509_csr *csr);
 
 /**
  * \brief          Unallocate all CSR data
  *
  * \param csr      CSR to free
  */
-void mbedtls_x509_csr_free( mbedtls_x509_csr *csr );
+void mbedtls_x509_csr_free(mbedtls_x509_csr *csr);
 #endif /* MBEDTLS_X509_CSR_PARSE_C */
 
 /* \} name */
@@ -159,7 +173,7 @@
  *
  * \param ctx       CSR context to initialize
  */
-void mbedtls_x509write_csr_init( mbedtls_x509write_csr *ctx );
+void mbedtls_x509write_csr_init(mbedtls_x509write_csr *ctx);
 
 /**
  * \brief           Set the subject name for a CSR
@@ -173,8 +187,8 @@
  * \return          0 if subject name was parsed successfully, or
  *                  a specific error code
  */
-int mbedtls_x509write_csr_set_subject_name( mbedtls_x509write_csr *ctx,
-                                    const char *subject_name );
+int mbedtls_x509write_csr_set_subject_name(mbedtls_x509write_csr *ctx,
+                                           const char *subject_name);
 
 /**
  * \brief           Set the key for a CSR (public key will be included,
@@ -183,7 +197,8 @@
  * \param ctx       CSR context to use
  * \param key       Asymetric key to include
  */
-void mbedtls_x509write_csr_set_key( mbedtls_x509write_csr *ctx, mbedtls_pk_context *key );
+void mbedtls_x509write_csr_set_key(mbedtls_x509write_csr *ctx,
+                                   mbedtls_pk_context *key);
 
 /**
  * \brief           Set the MD algorithm to use for the signature
@@ -192,7 +207,8 @@
  * \param ctx       CSR context to use
  * \param md_alg    MD algorithm to use
  */
-void mbedtls_x509write_csr_set_md_alg( mbedtls_x509write_csr *ctx, mbedtls_md_type_t md_alg );
+void mbedtls_x509write_csr_set_md_alg(mbedtls_x509write_csr *ctx,
+                                      mbedtls_md_type_t md_alg);
 
 /**
  * \brief           Set the Key Usage Extension flags
@@ -211,7 +227,8 @@
  *                  #MBEDTLS_X509_KU_DECIPHER_ONLY) cannot be set using this
  *                  function.
  */
-int mbedtls_x509write_csr_set_key_usage( mbedtls_x509write_csr *ctx, unsigned char key_usage );
+int mbedtls_x509write_csr_set_key_usage(mbedtls_x509write_csr *ctx,
+                                        unsigned char key_usage);
 
 /**
  * \brief           Set the Netscape Cert Type flags
@@ -222,8 +239,8 @@
  *
  * \return          0 if successful, or MBEDTLS_ERR_X509_ALLOC_FAILED
  */
-int mbedtls_x509write_csr_set_ns_cert_type( mbedtls_x509write_csr *ctx,
-                                    unsigned char ns_cert_type );
+int mbedtls_x509write_csr_set_ns_cert_type(mbedtls_x509write_csr *ctx,
+                                           unsigned char ns_cert_type);
 
 /**
  * \brief           Generic function to add to or replace an extension in the
@@ -238,17 +255,19 @@
  *
  * \return          0 if successful, or a MBEDTLS_ERR_X509_ALLOC_FAILED
  */
-int mbedtls_x509write_csr_set_extension( mbedtls_x509write_csr *ctx,
-                                 const char *oid, size_t oid_len,
-                                 int critical,
-                                 const unsigned char *val, size_t val_len );
+int mbedtls_x509write_csr_set_extension(mbedtls_x509write_csr *ctx,
+                                        const char *oid,
+                                        size_t oid_len,
+                                        int critical,
+                                        const unsigned char *val,
+                                        size_t val_len);
 
 /**
  * \brief           Free the contents of a CSR context
  *
  * \param ctx       CSR context to free
  */
-void mbedtls_x509write_csr_free( mbedtls_x509write_csr *ctx );
+void mbedtls_x509write_csr_free(mbedtls_x509write_csr *ctx);
 
 /**
  * \brief           Write a CSR (Certificate Signing Request) to a
@@ -268,11 +287,13 @@
  *
  * \note            \p f_rng is used for the signature operation.
  */
-int mbedtls_x509write_csr_der( mbedtls_x509write_csr *ctx, unsigned char *buf, size_t size,
-                       int (*f_rng)(void *, unsigned char *, size_t),
-                       void *p_rng );
+int mbedtls_x509write_csr_der(mbedtls_x509write_csr *ctx,
+                              unsigned char *buf,
+                              size_t size,
+                              int (*f_rng)(void *, unsigned char *, size_t),
+                              void *p_rng);
 
-#if defined(MBEDTLS_PEM_WRITE_C)
+#    if defined(MBEDTLS_PEM_WRITE_C)
 /**
  * \brief           Write a CSR (Certificate Signing Request) to a
  *                  PEM string
@@ -287,10 +308,12 @@
  *
  * \note            \p f_rng is used for the signature operation.
  */
-int mbedtls_x509write_csr_pem( mbedtls_x509write_csr *ctx, unsigned char *buf, size_t size,
-                       int (*f_rng)(void *, unsigned char *, size_t),
-                       void *p_rng );
-#endif /* MBEDTLS_PEM_WRITE_C */
+int mbedtls_x509write_csr_pem(mbedtls_x509write_csr *ctx,
+                              unsigned char *buf,
+                              size_t size,
+                              int (*f_rng)(void *, unsigned char *, size_t),
+                              void *p_rng);
+#    endif /* MBEDTLS_PEM_WRITE_C */
 #endif /* MBEDTLS_X509_CSR_WRITE_C */
 
 #ifdef __cplusplus