instead of cloning use extract_buf() method

src/libimcv/ietf/ietf_attr_assess_result.c

@@ -106,7 +106,7 @@ METHOD(pa_tnc_attr_t, build, void,
 
 	writer = bio_writer_create(ASSESS_RESULT_SIZE);
 	writer->write_uint32(writer, this->result);
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_attr_request.c

@@ -125,7 +125,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	}
 	enumerator->destroy(enumerator);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_default_pwd_enabled.c

@@ -106,7 +106,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	writer = bio_writer_create(DEFAULT_PWD_ENABLED_SIZE);
 	writer->write_uint32(writer, this->status);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_fwd_enabled.c

@@ -106,7 +106,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	writer = bio_writer_create(FORWARDING_ENABLED_SIZE);
 	writer->write_uint32(writer, this->fwd_status);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_installed_packages.c

@@ -144,7 +144,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	}
 	enumerator->destroy(enumerator);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_numeric_version.c

@@ -137,7 +137,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	writer->write_uint16(writer, this->service_pack_major);
 	writer->write_uint16(writer, this->service_pack_minor);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_op_status.c

@@ -153,7 +153,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	writer->write_uint16(writer, 0x0000);
 	writer->write_data  (writer, chunk_create(last_use, 20));
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_pa_tnc_error.c

@@ -206,7 +206,7 @@ METHOD(pa_tnc_attr_t, build, void,
 				break;
 		}
 	}
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_port_filter.c

@@ -130,7 +130,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	}
 	enumerator->destroy(enumerator);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_product_info.c

@@ -119,7 +119,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	writer->write_uint16(writer, this->product_id);
 	writer->write_data  (writer, this->product_name);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_remediation_instr.c

@@ -154,7 +154,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	writer->write_uint32(writer, this->parameters_type.type);
 	writer->write_data  (writer, this->parameters);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ietf/ietf_attr_string_version.c

@@ -123,7 +123,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	writer->write_data8(writer, this->build);
 	writer->write_data8(writer, this->config);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ita/ita_attr_get_settings.c

@@ -128,7 +128,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	}
 	enumerator->destroy(enumerator);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/ita/ita_attr_settings.c

@@ -157,7 +157,7 @@ METHOD(pa_tnc_attr_t, build, void,
 	}
 	enumerator->destroy(enumerator);
 
-	this->value = chunk_clone(writer->get_buf(writer));
+	this->value = writer->extract_buf(writer);
 	writer->destroy(writer);
 }
 

src/libimcv/pa_tnc/pa_tnc_msg.c

@@ -194,7 +194,7 @@ METHOD(pa_tnc_msg_t, build, bool,
 	enumerator->destroy(enumerator);
 
 	free(this->encoding.ptr);
-	this->encoding = chunk_clone(writer->get_buf(writer));
+	this->encoding = writer->extract_buf(writer);
 	writer->destroy(writer);
 
 	return TRUE;