Switch to the new code style

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index 0f2885a..235e00c 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -49,8 +49,7 @@
 /**
  * Container for an X.509 certificate. The certificate may be chained.
  */
-typedef struct mbedtls_x509_crt
-{
+typedef struct mbedtls_x509_crt {
     int own_buffer;                     /**< Indicates if \c raw is owned
                                          *   by the structure or not.        */
     mbedtls_x509_buf raw;               /**< The raw certificate data (DER). */
@@ -104,24 +103,21 @@
  *      type-id    OBJECT IDENTIFIER,
  *      value      [0] EXPLICIT ANY DEFINED BY type-id }
  */
-typedef struct mbedtls_x509_san_other_name
-{
+typedef struct mbedtls_x509_san_other_name {
     /**
      * The type_id is an OID as defined in RFC 5280.
      * To check the value of the type id, you should use
      * \p MBEDTLS_OID_CMP with a known OID mbedtls_x509_buf.
      */
     mbedtls_x509_buf type_id;                   /**< The type id. */
-    union
-    {
+    union {
         /**
          * From RFC 4108 section 5:
          * HardwareModuleName ::= SEQUENCE {
          *                         hwType OBJECT IDENTIFIER,
          *                         hwSerialNum OCTET STRING }
          */
-        struct
-        {
+        struct {
             mbedtls_x509_buf oid;               /**< The object identifier. */
             mbedtls_x509_buf val;               /**< The named value. */
         }
@@ -134,8 +130,7 @@
 /**
  * A structure for holding the parsed Subject Alternative Name, according to type
  */
-typedef struct mbedtls_x509_subject_alternative_name
-{
+typedef struct mbedtls_x509_subject_alternative_name {
     int type;                              /**< The SAN type, value of MBEDTLS_X509_SAN_XXX. */
     union {
         mbedtls_x509_san_other_name other_name; /**< The otherName supported type. */
@@ -149,15 +144,14 @@
  * Build flag from an algorithm/curve identifier (pk, md, ecp)
  * Since 0 is always XXX_NONE, ignore it.
  */
-#define MBEDTLS_X509_ID_FLAG( id )   ( 1 << ( (id) - 1 ) )
+#define MBEDTLS_X509_ID_FLAG(id)   (1 << ((id) - 1))
 
 /**
  * Security profile for certificate verification.
  *
  * All lists are bitfields, built by ORing flags from MBEDTLS_X509_ID_FLAG().
  */
-typedef struct mbedtls_x509_crt_profile
-{
+typedef struct mbedtls_x509_crt_profile {
     uint32_t allowed_mds;       /**< MDs for signatures         */
     uint32_t allowed_pks;       /**< PK algs for public keys;
                                  *   this applies to all certificates
@@ -174,15 +168,14 @@
 #define MBEDTLS_X509_RFC5280_MAX_SERIAL_LEN 32
 #define MBEDTLS_X509_RFC5280_UTC_TIME_LEN   15
 
-#if !defined( MBEDTLS_X509_MAX_FILE_PATH_LEN )
+#if !defined(MBEDTLS_X509_MAX_FILE_PATH_LEN)
 #define MBEDTLS_X509_MAX_FILE_PATH_LEN 512
 #endif
 
 /**
  * Container for writing a certificate (CRT)
  */
-typedef struct mbedtls_x509write_cert
-{
+typedef struct mbedtls_x509write_cert {
     int version;
     mbedtls_mpi serial;
     mbedtls_pk_context *subject_key;
@@ -207,13 +200,12 @@
 /**
  * Max size of verification chain: end-entity + intermediates + trusted root
  */
-#define MBEDTLS_X509_MAX_VERIFY_CHAIN_SIZE  ( MBEDTLS_X509_MAX_INTERMEDIATE_CA + 2 )
+#define MBEDTLS_X509_MAX_VERIFY_CHAIN_SIZE  (MBEDTLS_X509_MAX_INTERMEDIATE_CA + 2)
 
 /**
  * Verification chain as built by \c mbedtls_crt_verify_chain()
  */
-typedef struct
-{
+typedef struct {
     mbedtls_x509_crt_verify_chain_item items[MBEDTLS_X509_MAX_VERIFY_CHAIN_SIZE];
     unsigned len;
 
@@ -231,8 +223,7 @@
 /**
  * \brief       Context for resuming X.509 verify operations
  */
-typedef struct
-{
+typedef struct {
     /* for check_signature() */
     mbedtls_pk_restart_ctx pk;
 
@@ -308,9 +299,9 @@
  * \return         \c 0 if successful.
  * \return         A negative error code on failure.
  */
-int mbedtls_x509_crt_parse_der( mbedtls_x509_crt *chain,
-                                const unsigned char *buf,
-                                size_t buflen );
+int mbedtls_x509_crt_parse_der(mbedtls_x509_crt *chain,
+                               const unsigned char *buf,
+                               size_t buflen);
 
 /**
  * \brief          The type of certificate extension callbacks.
@@ -342,12 +333,12 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-typedef int (*mbedtls_x509_crt_ext_cb_t)( void *p_ctx,
-                                          mbedtls_x509_crt const *crt,
-                                          mbedtls_x509_buf const *oid,
-                                          int critical,
-                                          const unsigned char *p,
-                                          const unsigned char *end );
+typedef int (*mbedtls_x509_crt_ext_cb_t)(void *p_ctx,
+                                         mbedtls_x509_crt const *crt,
+                                         mbedtls_x509_buf const *oid,
+                                         int critical,
+                                         const unsigned char *p,
+                                         const unsigned char *end);
 
 /**
  * \brief            Parse a single DER formatted certificate and add it
@@ -389,12 +380,12 @@
  * \return           \c 0 if successful.
  * \return           A negative error code on failure.
  */
-int mbedtls_x509_crt_parse_der_with_ext_cb( mbedtls_x509_crt *chain,
-                                            const unsigned char *buf,
-                                            size_t buflen,
-                                            int make_copy,
-                                            mbedtls_x509_crt_ext_cb_t cb,
-                                            void *p_ctx );
+int mbedtls_x509_crt_parse_der_with_ext_cb(mbedtls_x509_crt *chain,
+                                           const unsigned char *buf,
+                                           size_t buflen,
+                                           int make_copy,
+                                           mbedtls_x509_crt_ext_cb_t cb,
+                                           void *p_ctx);
 
 /**
  * \brief          Parse a single DER formatted certificate and add it
@@ -423,9 +414,9 @@
  * \return         \c 0 if successful.
  * \return         A negative error code on failure.
  */
-int mbedtls_x509_crt_parse_der_nocopy( mbedtls_x509_crt *chain,
-                                       const unsigned char *buf,
-                                       size_t buflen );
+int mbedtls_x509_crt_parse_der_nocopy(mbedtls_x509_crt *chain,
+                                      const unsigned char *buf,
+                                      size_t buflen);
 
 /**
  * \brief          Parse one DER-encoded or one or more concatenated PEM-encoded
@@ -457,7 +448,7 @@
  * \return         A negative X509 or PEM error code otherwise.
  *
  */
-int mbedtls_x509_crt_parse( mbedtls_x509_crt *chain, const unsigned char *buf, size_t buflen );
+int mbedtls_x509_crt_parse(mbedtls_x509_crt *chain, const unsigned char *buf, size_t buflen);
 
 #if defined(MBEDTLS_FS_IO)
 /**
@@ -473,7 +464,7 @@
  * \return         0 if all certificates parsed successfully, a positive number
  *                 if partly successful or a specific X509 or PEM error code
  */
-int mbedtls_x509_crt_parse_file( mbedtls_x509_crt *chain, const char *path );
+int mbedtls_x509_crt_parse_file(mbedtls_x509_crt *chain, const char *path);
 
 /**
  * \brief          Load one or more certificate files from a path and add them
@@ -488,7 +479,7 @@
  * \return         0 if all certificates parsed successfully, a positive number
  *                 if partly successful or a specific X509 or PEM error code
  */
-int mbedtls_x509_crt_parse_path( mbedtls_x509_crt *chain, const char *path );
+int mbedtls_x509_crt_parse_path(mbedtls_x509_crt *chain, const char *path);
 
 #endif /* MBEDTLS_FS_IO */
 /**
@@ -518,8 +509,8 @@
  *                 SAN type.
  * \return         Another negative value for any other failure.
  */
-int mbedtls_x509_parse_subject_alt_name( const mbedtls_x509_buf *san_buf,
-                                         mbedtls_x509_subject_alternative_name *san );
+int mbedtls_x509_parse_subject_alt_name(const mbedtls_x509_buf *san_buf,
+                                        mbedtls_x509_subject_alternative_name *san);
 /**
  * \brief          Returns an informational string about the
  *                 certificate.
@@ -532,8 +523,8 @@
  * \return         The length of the string written (not including the
  *                 terminated nul byte), or a negative error code.
  */
-int mbedtls_x509_crt_info( char *buf, size_t size, const char *prefix,
-                   const mbedtls_x509_crt *crt );
+int mbedtls_x509_crt_info(char *buf, size_t size, const char *prefix,
+                          const mbedtls_x509_crt *crt);
 
 /**
  * \brief          Returns an informational string about the
@@ -547,8 +538,8 @@
  * \return         The length of the string written (not including the
  *                 terminated nul byte), or a negative error code.
  */
-int mbedtls_x509_crt_verify_info( char *buf, size_t size, const char *prefix,
-                          uint32_t flags );
+int mbedtls_x509_crt_verify_info(char *buf, size_t size, const char *prefix,
+                                 uint32_t flags);
 
 /**
  * \brief          Verify a chain of certificates.
@@ -616,12 +607,12 @@
  * \return         Another negative error code in case of a fatal error
  *                 encountered during the verification process.
  */
-int mbedtls_x509_crt_verify( mbedtls_x509_crt *crt,
-                     mbedtls_x509_crt *trust_ca,
-                     mbedtls_x509_crl *ca_crl,
-                     const char *cn, uint32_t *flags,
-                     int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
-                     void *p_vrfy );
+int mbedtls_x509_crt_verify(mbedtls_x509_crt *crt,
+                            mbedtls_x509_crt *trust_ca,
+                            mbedtls_x509_crl *ca_crl,
+                            const char *cn, uint32_t *flags,
+                            int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
+                            void *p_vrfy);
 
 /**
  * \brief          Verify a chain of certificates with respect to
@@ -657,13 +648,13 @@
  * \return         Another negative error code in case of a fatal error
  *                 encountered during the verification process.
  */
-int mbedtls_x509_crt_verify_with_profile( mbedtls_x509_crt *crt,
-                     mbedtls_x509_crt *trust_ca,
-                     mbedtls_x509_crl *ca_crl,
-                     const mbedtls_x509_crt_profile *profile,
-                     const char *cn, uint32_t *flags,
-                     int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
-                     void *p_vrfy );
+int mbedtls_x509_crt_verify_with_profile(mbedtls_x509_crt *crt,
+                                         mbedtls_x509_crt *trust_ca,
+                                         mbedtls_x509_crl *ca_crl,
+                                         const mbedtls_x509_crt_profile *profile,
+                                         const char *cn, uint32_t *flags,
+                                         int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
+                                         void *p_vrfy);
 
 /**
  * \brief          Restartable version of \c mbedtls_crt_verify_with_profile()
@@ -691,14 +682,14 @@
  * \return         #MBEDTLS_ERR_ECP_IN_PROGRESS if maximum number of
  *                 operations was reached: see \c mbedtls_ecp_set_max_ops().
  */
-int mbedtls_x509_crt_verify_restartable( mbedtls_x509_crt *crt,
-                     mbedtls_x509_crt *trust_ca,
-                     mbedtls_x509_crl *ca_crl,
-                     const mbedtls_x509_crt_profile *profile,
-                     const char *cn, uint32_t *flags,
-                     int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
-                     void *p_vrfy,
-                     mbedtls_x509_crt_restart_ctx *rs_ctx );
+int mbedtls_x509_crt_verify_restartable(mbedtls_x509_crt *crt,
+                                        mbedtls_x509_crt *trust_ca,
+                                        mbedtls_x509_crl *ca_crl,
+                                        const mbedtls_x509_crt_profile *profile,
+                                        const char *cn, uint32_t *flags,
+                                        int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
+                                        void *p_vrfy,
+                                        mbedtls_x509_crt_restart_ctx *rs_ctx);
 
 /**
  * \brief               The type of trusted certificate callbacks.
@@ -730,9 +721,9 @@
  *                      to the caller.
  * \return              A negative error code on failure.
  */
-typedef int (*mbedtls_x509_crt_ca_cb_t)( void *p_ctx,
-                                         mbedtls_x509_crt const *child,
-                                         mbedtls_x509_crt **candidate_cas );
+typedef int (*mbedtls_x509_crt_ca_cb_t)(void *p_ctx,
+                                        mbedtls_x509_crt const *child,
+                                        mbedtls_x509_crt **candidate_cas);
 
 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
 /**
@@ -757,13 +748,13 @@
  *
  * \return         See \c mbedtls_crt_verify_with_profile().
  */
-int mbedtls_x509_crt_verify_with_ca_cb( mbedtls_x509_crt *crt,
-                     mbedtls_x509_crt_ca_cb_t f_ca_cb,
-                     void *p_ca_cb,
-                     const mbedtls_x509_crt_profile *profile,
-                     const char *cn, uint32_t *flags,
-                     int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
-                     void *p_vrfy );
+int mbedtls_x509_crt_verify_with_ca_cb(mbedtls_x509_crt *crt,
+                                       mbedtls_x509_crt_ca_cb_t f_ca_cb,
+                                       void *p_ca_cb,
+                                       const mbedtls_x509_crt_profile *profile,
+                                       const char *cn, uint32_t *flags,
+                                       int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
+                                       void *p_vrfy);
 
 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 
@@ -789,8 +780,8 @@
  *                 (intermediate) CAs the keyUsage extension is automatically
  *                 checked by \c mbedtls_x509_crt_verify().
  */
-int mbedtls_x509_crt_check_key_usage( const mbedtls_x509_crt *crt,
-                                      unsigned int usage );
+int mbedtls_x509_crt_check_key_usage(const mbedtls_x509_crt *crt,
+                                     unsigned int usage);
 #endif /* MBEDTLS_X509_CHECK_KEY_USAGE) */
 
 #if defined(MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE)
@@ -807,9 +798,9 @@
  *
  * \note            Usually only makes sense on leaf certificates.
  */
-int mbedtls_x509_crt_check_extended_key_usage( const mbedtls_x509_crt *crt,
-                                               const char *usage_oid,
-                                               size_t usage_len );
+int mbedtls_x509_crt_check_extended_key_usage(const mbedtls_x509_crt *crt,
+                                              const char *usage_oid,
+                                              size_t usage_len);
 #endif /* MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE */
 
 #if defined(MBEDTLS_X509_CRL_PARSE_C)
@@ -822,7 +813,7 @@
  * \return         1 if the certificate is revoked, 0 otherwise
  *
  */
-int mbedtls_x509_crt_is_revoked( const mbedtls_x509_crt *crt, const mbedtls_x509_crl *crl );
+int mbedtls_x509_crt_is_revoked(const mbedtls_x509_crt *crt, const mbedtls_x509_crl *crl);
 #endif /* MBEDTLS_X509_CRL_PARSE_C */
 
 /**
@@ -830,25 +821,25 @@
  *
  * \param crt      Certificate chain to initialize
  */
-void mbedtls_x509_crt_init( mbedtls_x509_crt *crt );
+void mbedtls_x509_crt_init(mbedtls_x509_crt *crt);
 
 /**
  * \brief          Unallocate all certificate data
  *
  * \param crt      Certificate chain to free
  */
-void mbedtls_x509_crt_free( mbedtls_x509_crt *crt );
+void mbedtls_x509_crt_free(mbedtls_x509_crt *crt);
 
 #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
 /**
  * \brief           Initialize a restart context
  */
-void mbedtls_x509_crt_restart_init( mbedtls_x509_crt_restart_ctx *ctx );
+void mbedtls_x509_crt_restart_init(mbedtls_x509_crt_restart_ctx *ctx);
 
 /**
  * \brief           Free the components of a restart context
  */
-void mbedtls_x509_crt_restart_free( mbedtls_x509_crt_restart_ctx *ctx );
+void mbedtls_x509_crt_restart_free(mbedtls_x509_crt_restart_ctx *ctx);
 #endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
 #endif /* MBEDTLS_X509_CRT_PARSE_C */
 
@@ -860,7 +851,7 @@
  *
  * \param ctx       CRT context to initialize
  */
-void mbedtls_x509write_crt_init( mbedtls_x509write_cert *ctx );
+void mbedtls_x509write_crt_init(mbedtls_x509write_cert *ctx);
 
 /**
  * \brief           Set the version for a Certificate
@@ -870,7 +861,7 @@
  * \param version   version to set (MBEDTLS_X509_CRT_VERSION_1, MBEDTLS_X509_CRT_VERSION_2 or
  *                                  MBEDTLS_X509_CRT_VERSION_3)
  */
-void mbedtls_x509write_crt_set_version( mbedtls_x509write_cert *ctx, int version );
+void mbedtls_x509write_crt_set_version(mbedtls_x509write_cert *ctx, int version);
 
 /**
  * \brief           Set the serial number for a Certificate.
@@ -880,7 +871,7 @@
  *
  * \return          0 if successful
  */
-int mbedtls_x509write_crt_set_serial( mbedtls_x509write_cert *ctx, const mbedtls_mpi *serial );
+int mbedtls_x509write_crt_set_serial(mbedtls_x509write_cert *ctx, const mbedtls_mpi *serial);
 
 /**
  * \brief           Set the validity period for a Certificate
@@ -896,8 +887,8 @@
  * \return          0 if timestamp was parsed successfully, or
  *                  a specific error code
  */
-int mbedtls_x509write_crt_set_validity( mbedtls_x509write_cert *ctx, const char *not_before,
-                                const char *not_after );
+int mbedtls_x509write_crt_set_validity(mbedtls_x509write_cert *ctx, const char *not_before,
+                                       const char *not_after);
 
 /**
  * \brief           Set the issuer name for a Certificate
@@ -911,8 +902,8 @@
  * \return          0 if issuer name was parsed successfully, or
  *                  a specific error code
  */
-int mbedtls_x509write_crt_set_issuer_name( mbedtls_x509write_cert *ctx,
-                                   const char *issuer_name );
+int mbedtls_x509write_crt_set_issuer_name(mbedtls_x509write_cert *ctx,
+                                          const char *issuer_name);
 
 /**
  * \brief           Set the subject name for a Certificate
@@ -926,8 +917,8 @@
  * \return          0 if subject name was parsed successfully, or
  *                  a specific error code
  */
-int mbedtls_x509write_crt_set_subject_name( mbedtls_x509write_cert *ctx,
-                                    const char *subject_name );
+int mbedtls_x509write_crt_set_subject_name(mbedtls_x509write_cert *ctx,
+                                           const char *subject_name);
 
 /**
  * \brief           Set the subject public key for the certificate
@@ -935,7 +926,7 @@
  * \param ctx       CRT context to use
  * \param key       public key to include
  */
-void mbedtls_x509write_crt_set_subject_key( mbedtls_x509write_cert *ctx, mbedtls_pk_context *key );
+void mbedtls_x509write_crt_set_subject_key(mbedtls_x509write_cert *ctx, mbedtls_pk_context *key);
 
 /**
  * \brief           Set the issuer key used for signing the certificate
@@ -943,7 +934,7 @@
  * \param ctx       CRT context to use
  * \param key       private key to sign with
  */
-void mbedtls_x509write_crt_set_issuer_key( mbedtls_x509write_cert *ctx, mbedtls_pk_context *key );
+void mbedtls_x509write_crt_set_issuer_key(mbedtls_x509write_cert *ctx, mbedtls_pk_context *key);
 
 /**
  * \brief           Set the MD algorithm to use for the signature
@@ -952,7 +943,7 @@
  * \param ctx       CRT context to use
  * \param md_alg    MD algorithm to use
  */
-void mbedtls_x509write_crt_set_md_alg( mbedtls_x509write_cert *ctx, mbedtls_md_type_t md_alg );
+void mbedtls_x509write_crt_set_md_alg(mbedtls_x509write_cert *ctx, mbedtls_md_type_t md_alg);
 
 /**
  * \brief           Generic function to add to or replace an extension in the
@@ -967,10 +958,10 @@
  *
  * \return          0 if successful, or a MBEDTLS_ERR_X509_ALLOC_FAILED
  */
-int mbedtls_x509write_crt_set_extension( mbedtls_x509write_cert *ctx,
-                                 const char *oid, size_t oid_len,
-                                 int critical,
-                                 const unsigned char *val, size_t val_len );
+int mbedtls_x509write_crt_set_extension(mbedtls_x509write_cert *ctx,
+                                        const char *oid, size_t oid_len,
+                                        int critical,
+                                        const unsigned char *val, size_t val_len);
 
 /**
  * \brief           Set the basicConstraints extension for a CRT
@@ -983,8 +974,8 @@
  *
  * \return          0 if successful, or a MBEDTLS_ERR_X509_ALLOC_FAILED
  */
-int mbedtls_x509write_crt_set_basic_constraints( mbedtls_x509write_cert *ctx,
-                                         int is_ca, int max_pathlen );
+int mbedtls_x509write_crt_set_basic_constraints(mbedtls_x509write_cert *ctx,
+                                                int is_ca, int max_pathlen);
 
 #if defined(MBEDTLS_SHA1_C)
 /**
@@ -996,7 +987,7 @@
  *
  * \return          0 if successful, or a MBEDTLS_ERR_X509_ALLOC_FAILED
  */
-int mbedtls_x509write_crt_set_subject_key_identifier( mbedtls_x509write_cert *ctx );
+int mbedtls_x509write_crt_set_subject_key_identifier(mbedtls_x509write_cert *ctx);
 
 /**
  * \brief           Set the authorityKeyIdentifier extension for a CRT
@@ -1007,7 +998,7 @@
  *
  * \return          0 if successful, or a MBEDTLS_ERR_X509_ALLOC_FAILED
  */
-int mbedtls_x509write_crt_set_authority_key_identifier( mbedtls_x509write_cert *ctx );
+int mbedtls_x509write_crt_set_authority_key_identifier(mbedtls_x509write_cert *ctx);
 #endif /* MBEDTLS_SHA1_C */
 
 /**
@@ -1019,8 +1010,8 @@
  *
  * \return          0 if successful, or MBEDTLS_ERR_X509_ALLOC_FAILED
  */
-int mbedtls_x509write_crt_set_key_usage( mbedtls_x509write_cert *ctx,
-                                         unsigned int key_usage );
+int mbedtls_x509write_crt_set_key_usage(mbedtls_x509write_cert *ctx,
+                                        unsigned int key_usage);
 
 /**
  * \brief           Set the Netscape Cert Type flags
@@ -1031,15 +1022,15 @@
  *
  * \return          0 if successful, or MBEDTLS_ERR_X509_ALLOC_FAILED
  */
-int mbedtls_x509write_crt_set_ns_cert_type( mbedtls_x509write_cert *ctx,
-                                    unsigned char ns_cert_type );
+int mbedtls_x509write_crt_set_ns_cert_type(mbedtls_x509write_cert *ctx,
+                                           unsigned char ns_cert_type);
 
 /**
  * \brief           Free the contents of a CRT write context
  *
  * \param ctx       CRT context to free
  */
-void mbedtls_x509write_crt_free( mbedtls_x509write_cert *ctx );
+void mbedtls_x509write_crt_free(mbedtls_x509write_cert *ctx);
 
 /**
  * \brief           Write a built up certificate to a X509 DER structure
@@ -1061,9 +1052,9 @@
  *                  for countermeasures against timing attacks).
  *                  ECDSA signatures always require a non-NULL f_rng.
  */
-int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf, size_t size,
-                       int (*f_rng)(void *, unsigned char *, size_t),
-                       void *p_rng );
+int mbedtls_x509write_crt_der(mbedtls_x509write_cert *ctx, unsigned char *buf, size_t size,
+                              int (*f_rng)(void *, unsigned char *, size_t),
+                              void *p_rng);
 
 #if defined(MBEDTLS_PEM_WRITE_C)
 /**
@@ -1082,9 +1073,9 @@
  *                  for countermeasures against timing attacks).
  *                  ECDSA signatures always require a non-NULL f_rng.
  */
-int mbedtls_x509write_crt_pem( mbedtls_x509write_cert *ctx, unsigned char *buf, size_t size,
-                       int (*f_rng)(void *, unsigned char *, size_t),
-                       void *p_rng );
+int mbedtls_x509write_crt_pem(mbedtls_x509write_cert *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_CRT_WRITE_C */