Switch to the new code style

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/library/pkcs11.c b/library/pkcs11.c
index a7207cf..8ba40ca 100644
--- a/library/pkcs11.c
+++ b/library/pkcs11.c
@@ -33,46 +33,41 @@
 
 #include <string.h>
 
-void mbedtls_pkcs11_init( mbedtls_pkcs11_context *ctx )
+void mbedtls_pkcs11_init(mbedtls_pkcs11_context *ctx)
 {
-    memset( ctx, 0, sizeof( mbedtls_pkcs11_context ) );
+    memset(ctx, 0, sizeof(mbedtls_pkcs11_context));
 }
 
-int mbedtls_pkcs11_x509_cert_bind( mbedtls_x509_crt *cert, pkcs11h_certificate_t pkcs11_cert )
+int mbedtls_pkcs11_x509_cert_bind(mbedtls_x509_crt *cert, pkcs11h_certificate_t pkcs11_cert)
 {
     int ret = 1;
     unsigned char *cert_blob = NULL;
     size_t cert_blob_size = 0;
 
-    if( cert == NULL )
-    {
+    if (cert == NULL) {
         ret = 2;
         goto cleanup;
     }
 
-    if( pkcs11h_certificate_getCertificateBlob( pkcs11_cert, NULL,
-                                                &cert_blob_size ) != CKR_OK )
-    {
+    if (pkcs11h_certificate_getCertificateBlob(pkcs11_cert, NULL,
+                                               &cert_blob_size) != CKR_OK) {
         ret = 3;
         goto cleanup;
     }
 
-    cert_blob = mbedtls_calloc( 1, cert_blob_size );
-    if( NULL == cert_blob )
-    {
+    cert_blob = mbedtls_calloc(1, cert_blob_size);
+    if (NULL == cert_blob) {
         ret = 4;
         goto cleanup;
     }
 
-    if( pkcs11h_certificate_getCertificateBlob( pkcs11_cert, cert_blob,
-                                                &cert_blob_size ) != CKR_OK )
-    {
+    if (pkcs11h_certificate_getCertificateBlob(pkcs11_cert, cert_blob,
+                                               &cert_blob_size) != CKR_OK) {
         ret = 5;
         goto cleanup;
     }
 
-    if( 0 != mbedtls_x509_crt_parse( cert, cert_blob, cert_blob_size ) )
-    {
+    if (0 != mbedtls_x509_crt_parse(cert, cert_blob, cert_blob_size)) {
         ret = 6;
         goto cleanup;
     }
@@ -80,121 +75,128 @@
     ret = 0;
 
 cleanup:
-    if( NULL != cert_blob )
-        mbedtls_free( cert_blob );
+    if (NULL != cert_blob) {
+        mbedtls_free(cert_blob);
+    }
 
-    return( ret );
+    return ret;
 }
 
 
-int mbedtls_pkcs11_priv_key_bind( mbedtls_pkcs11_context *priv_key,
-        pkcs11h_certificate_t pkcs11_cert )
+int mbedtls_pkcs11_priv_key_bind(mbedtls_pkcs11_context *priv_key,
+                                 pkcs11h_certificate_t pkcs11_cert)
 {
     int ret = 1;
     mbedtls_x509_crt cert;
 
-    mbedtls_x509_crt_init( &cert );
+    mbedtls_x509_crt_init(&cert);
 
-    if( priv_key == NULL )
+    if (priv_key == NULL) {
         goto cleanup;
+    }
 
-    if( 0 != mbedtls_pkcs11_x509_cert_bind( &cert, pkcs11_cert ) )
+    if (0 != mbedtls_pkcs11_x509_cert_bind(&cert, pkcs11_cert)) {
         goto cleanup;
+    }
 
-    priv_key->len = mbedtls_pk_get_len( &cert.pk );
+    priv_key->len = mbedtls_pk_get_len(&cert.pk);
     priv_key->pkcs11h_cert = pkcs11_cert;
 
     ret = 0;
 
 cleanup:
-    mbedtls_x509_crt_free( &cert );
+    mbedtls_x509_crt_free(&cert);
 
-    return( ret );
+    return ret;
 }
 
-void mbedtls_pkcs11_priv_key_free( mbedtls_pkcs11_context *priv_key )
+void mbedtls_pkcs11_priv_key_free(mbedtls_pkcs11_context *priv_key)
 {
-    if( NULL != priv_key )
-        pkcs11h_certificate_freeCertificate( priv_key->pkcs11h_cert );
+    if (NULL != priv_key) {
+        pkcs11h_certificate_freeCertificate(priv_key->pkcs11h_cert);
+    }
 }
 
-int mbedtls_pkcs11_decrypt( mbedtls_pkcs11_context *ctx,
-                       int mode, size_t *olen,
-                       const unsigned char *input,
-                       unsigned char *output,
-                       size_t output_max_len )
+int mbedtls_pkcs11_decrypt(mbedtls_pkcs11_context *ctx,
+                           int mode, size_t *olen,
+                           const unsigned char *input,
+                           unsigned char *output,
+                           size_t output_max_len)
 {
     size_t input_len, output_len;
 
-    if( NULL == ctx )
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (NULL == ctx) {
+        return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
+    }
 
-    if( MBEDTLS_RSA_PRIVATE != mode )
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (MBEDTLS_RSA_PRIVATE != mode) {
+        return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
+    }
 
     output_len = input_len = ctx->len;
 
-    if( input_len < 16 || input_len > output_max_len )
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (input_len < 16 || input_len > output_max_len) {
+        return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
+    }
 
     /* Determine size of output buffer */
-    if( pkcs11h_certificate_decryptAny( ctx->pkcs11h_cert, CKM_RSA_PKCS, input,
-            input_len, NULL, &output_len ) != CKR_OK )
-    {
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (pkcs11h_certificate_decryptAny(ctx->pkcs11h_cert, CKM_RSA_PKCS, input,
+                                       input_len, NULL, &output_len) != CKR_OK) {
+        return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
     }
 
-    if( output_len > output_max_len )
-        return( MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE );
+    if (output_len > output_max_len) {
+        return MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE;
+    }
 
-    if( pkcs11h_certificate_decryptAny( ctx->pkcs11h_cert, CKM_RSA_PKCS, input,
-            input_len, output, &output_len ) != CKR_OK )
-    {
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (pkcs11h_certificate_decryptAny(ctx->pkcs11h_cert, CKM_RSA_PKCS, input,
+                                       input_len, output, &output_len) != CKR_OK) {
+        return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
     }
     *olen = output_len;
-    return( 0 );
+    return 0;
 }
 
-int mbedtls_pkcs11_sign( mbedtls_pkcs11_context *ctx,
-                    int mode,
-                    mbedtls_md_type_t md_alg,
-                    unsigned int hashlen,
-                    const unsigned char *hash,
-                    unsigned char *sig )
+int mbedtls_pkcs11_sign(mbedtls_pkcs11_context *ctx,
+                        int mode,
+                        mbedtls_md_type_t md_alg,
+                        unsigned int hashlen,
+                        const unsigned char *hash,
+                        unsigned char *sig)
 {
     size_t sig_len = 0, asn_len = 0, oid_size = 0;
     unsigned char *p = sig;
     const char *oid;
 
-    if( NULL == ctx )
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (NULL == ctx) {
+        return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
+    }
 
-    if( MBEDTLS_RSA_PRIVATE != mode )
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (MBEDTLS_RSA_PRIVATE != mode) {
+        return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
+    }
 
-    if( md_alg != MBEDTLS_MD_NONE )
-    {
-        const mbedtls_md_info_t *md_info = mbedtls_md_info_from_type( md_alg );
-        if( md_info == NULL )
-            return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (md_alg != MBEDTLS_MD_NONE) {
+        const mbedtls_md_info_t *md_info = mbedtls_md_info_from_type(md_alg);
+        if (md_info == NULL) {
+            return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
+        }
 
-        if( mbedtls_oid_get_oid_by_md( md_alg, &oid, &oid_size ) != 0 )
-            return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+        if (mbedtls_oid_get_oid_by_md(md_alg, &oid, &oid_size) != 0) {
+            return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
+        }
 
-        hashlen = mbedtls_md_get_size( md_info );
+        hashlen = mbedtls_md_get_size(md_info);
         asn_len = 10 + oid_size;
     }
 
     sig_len = ctx->len;
-    if( hashlen > sig_len || asn_len > sig_len ||
-        hashlen + asn_len > sig_len )
-    {
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (hashlen > sig_len || asn_len > sig_len ||
+        hashlen + asn_len > sig_len) {
+        return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
     }
 
-    if( md_alg != MBEDTLS_MD_NONE )
-    {
+    if (md_alg != MBEDTLS_MD_NONE) {
         /*
          * DigestInfo ::= SEQUENCE {
          *   digestAlgorithm DigestAlgorithmIdentifier,
@@ -205,12 +207,12 @@
          * Digest ::= OCTET STRING
          */
         *p++ = MBEDTLS_ASN1_SEQUENCE | MBEDTLS_ASN1_CONSTRUCTED;
-        *p++ = (unsigned char) ( 0x08 + oid_size + hashlen );
+        *p++ = (unsigned char) (0x08 + oid_size + hashlen);
         *p++ = MBEDTLS_ASN1_SEQUENCE | MBEDTLS_ASN1_CONSTRUCTED;
-        *p++ = (unsigned char) ( 0x04 + oid_size );
+        *p++ = (unsigned char) (0x04 + oid_size);
         *p++ = MBEDTLS_ASN1_OID;
         *p++ = oid_size & 0xFF;
-        memcpy( p, oid, oid_size );
+        memcpy(p, oid, oid_size);
         p += oid_size;
         *p++ = MBEDTLS_ASN1_NULL;
         *p++ = 0x00;
@@ -218,15 +220,14 @@
         *p++ = hashlen;
     }
 
-    memcpy( p, hash, hashlen );
+    memcpy(p, hash, hashlen);
 
-    if( pkcs11h_certificate_signAny( ctx->pkcs11h_cert, CKM_RSA_PKCS, sig,
-            asn_len + hashlen, sig, &sig_len ) != CKR_OK )
-    {
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+    if (pkcs11h_certificate_signAny(ctx->pkcs11h_cert, CKM_RSA_PKCS, sig,
+                                    asn_len + hashlen, sig, &sig_len) != CKR_OK) {
+        return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
     }
 
-    return( 0 );
+    return 0;
 }
 
 #endif /* defined(MBEDTLS_PKCS11_C) */