141     size_t len = 0;  in mbedtls_x509write_csr_der()  local
149     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_x509_write_extensions( &c, tmp_buf, ctx->extensions ) );  in mbedtls_x509write_csr_der()
151     if( len )  in mbedtls_x509write_csr_der()
153         MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) );  in mbedtls_x509write_csr_der()
154         MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED |  in mbedtls_x509write_csr_der()
157         MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) );  in mbedtls_x509write_csr_der()
158         MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED |  in mbedtls_x509write_csr_der()
161 …     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_oid( &c, tmp_buf, MBEDTLS_OID_PKCS9_CSR_EXT_REQ,  in mbedtls_x509write_csr_der()
164         MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) );  in mbedtls_x509write_csr_der()
165         MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED |  in mbedtls_x509write_csr_der()
169     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) );  in mbedtls_x509write_csr_der()
170     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED |  in mbedtls_x509write_csr_der()
176     len += pub_len;  in mbedtls_x509write_csr_der()
181     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_x509_write_names( &c, tmp_buf, ctx->subject ) );  in mbedtls_x509write_csr_der()
186     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_int( &c, tmp_buf, 0 ) );  in mbedtls_x509write_csr_der()
188     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) );  in mbedtls_x509write_csr_der()
189     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED |  in mbedtls_x509write_csr_der()
195     mbedtls_md( mbedtls_md_info_from_type( ctx->md_alg ), c, len, hash );  in mbedtls_x509write_csr_der()
216     if( len > (size_t)( c2 - buf ) )  in mbedtls_x509write_csr_der()
219     c2 -= len;  in mbedtls_x509write_csr_der()
220     memcpy( c2, c, len );  in mbedtls_x509write_csr_der()
222     len += sig_and_oid_len;  in mbedtls_x509write_csr_der()
223     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c2, buf, len ) );  in mbedtls_x509write_csr_der()
224     MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c2, buf, MBEDTLS_ASN1_CONSTRUCTED |  in mbedtls_x509write_csr_der()
227     return( (int) len );  in mbedtls_x509write_csr_der()