Created WhoHas service encoding, decoding, and unit test using Code:Blocks on Win32.
This commit is contained in:
skarg
@@ -0,0 +1,279 @@
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/*####COPYRIGHTBEGIN####
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-------------------------------------------
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Copyright (C) 2006 Steve Karg
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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||||
along with this program; if not, write to:
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The Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA.
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As a special exception, if other files instantiate templates or
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use macros or inline functions from this file, or you compile
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this file and link it with other works to produce a work based
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on this file, this file does not by itself cause the resulting
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work to be covered by the GNU General Public License. However
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the source code for this file must still be made available in
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||||
accordance with section (3) of the GNU General Public License.
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This exception does not invalidate any other reasons why a work
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||||
based on this file might be covered by the GNU General Public
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License.
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-------------------------------------------
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####COPYRIGHTEND####*/
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#include <stdint.h>
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#include "bacenum.h"
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#include "bacdcode.h"
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#include "bacdef.h"
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#include "whohas.h"
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/* encode service - use -1 for limit for unlimited */
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int whohas_encode_apdu(
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uint8_t *apdu,
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BACNET_WHO_HAS_DATA *data)
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{
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int len = 0; // length of each encoding
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int apdu_len = 0; // total length of the apdu, return value
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if (apdu && data) {
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apdu[0] = PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST;
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apdu[1] = SERVICE_UNCONFIRMED_WHO_IS; // service choice
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apdu_len = 2;
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// optional limits - must be used as a pair
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if ((data->low_limit >= 0) && (data->low_limit <= BACNET_MAX_INSTANCE) &&
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(data->high_limit >= 0) && (data->high_limit <= BACNET_MAX_INSTANCE))
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{
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len = encode_context_unsigned(
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&apdu[apdu_len],
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0,
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data->low_limit);
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apdu_len += len;
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len = encode_context_unsigned(
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&apdu[apdu_len],
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1,
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data->high_limit);
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apdu_len += len;
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}
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if (data->object_name)
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{
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len = encode_context_character_string(
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&apdu[apdu_len],
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3,
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&data->object.name);
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apdu_len += len;
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}
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else
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{
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len = encode_context_object_id(
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&apdu[apdu_len],
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2,
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data->object.identifier.type,
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data->object.identifier.instance);
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apdu_len += len;
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}
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}
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return apdu_len;
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}
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// decode the service request only
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int whohas_decode_service_request(
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uint8_t *apdu,
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unsigned apdu_len,
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BACNET_WHO_HAS_DATA *data)
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{
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int len = 0;
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uint8_t tag_number = 0;
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uint32_t len_value = 0;
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uint32_t decoded_value = 0; /* for decoding */
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int decoded_type = 0; /* for decoding */
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if (apdu_len && data)
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{
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/* optional limits - must be used as a pair */
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if (decode_is_context_tag(&apdu[len], 0))
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{
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len += decode_tag_number_and_value(&apdu[len], &tag_number, &len_value);
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len += decode_unsigned(&apdu[len], len_value, &decoded_value);
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if (decoded_value <= BACNET_MAX_INSTANCE)
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data->low_limit = decoded_value;
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if (!decode_is_context_tag(&apdu[len], 1))
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return -1;
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len += decode_tag_number_and_value(&apdu[len], &tag_number, &len_value);
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len += decode_unsigned(&apdu[len],
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len_value, &decoded_value);
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if (decoded_value <= BACNET_MAX_INSTANCE)
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data->high_limit = decoded_value;
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}
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else
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{
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data->low_limit = -1;
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data->high_limit = -1;
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}
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/* object id */
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if (decode_is_context_tag(&apdu[len], 2))
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{
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data->object_name = false;
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len += decode_tag_number_and_value(&apdu[len], &tag_number, &len_value);
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len += decode_object_id(&apdu[len], &decoded_type,
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&data->object.identifier.instance);
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data->object.identifier.type = decoded_type;
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}
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/* object name */
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else if (decode_is_context_tag(&apdu[len], 3))
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{
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data->object_name = true;
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len += decode_tag_number_and_value(&apdu[len], &tag_number, &len_value);
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len += decode_character_string(&apdu[len], len_value,
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&data->object.name);
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}
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/* missing required parameters */
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else
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return -1;
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}
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return len;
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}
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int whohas_decode_apdu(
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uint8_t *apdu,
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unsigned apdu_len,
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BACNET_WHO_HAS_DATA *data)
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{
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int len = 0;
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if (!apdu)
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return -1;
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// optional checking - most likely was already done prior to this call
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if (apdu[0] != PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST)
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return -1;
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if (apdu[1] != SERVICE_UNCONFIRMED_WHO_IS)
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return -1;
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// optional limits - must be used as a pair
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if (apdu_len > 2)
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{
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len = whohas_decode_service_request(
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&apdu[2],
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apdu_len - 2,
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data);
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}
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return len;
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}
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#ifdef TEST
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#include <assert.h>
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#include <string.h>
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#include "ctest.h"
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void testWhoHasData(Test * pTest, BACNET_WHO_HAS_DATA *data)
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{
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uint8_t apdu[480] = {0};
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int len = 0;
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int apdu_len = 0;
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BACNET_WHO_HAS_DATA test_data;
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len = whohas_encode_apdu(
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&apdu[0],
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data);
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ct_test(pTest, len != 0);
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apdu_len = len;
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len = whohas_decode_apdu(
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&apdu[0],
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apdu_len,
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&test_data);
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ct_test(pTest, len != -1);
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ct_test(pTest, test_data.low_limit == data->low_limit);
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ct_test(pTest, test_data.high_limit == data->high_limit);
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ct_test(pTest, test_data.object_name == data->object_name);
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/* Object ID */
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if (data->object_name == false)
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{
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ct_test(pTest, test_data.object.identifier.type ==
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data->object.identifier.type);
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ct_test(pTest, test_data.object.identifier.instance ==
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data->object.identifier.instance);
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}
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/* Object Name */
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else
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{
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ct_test(pTest, characterstring_same(
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&test_data.object.name,&data->object.name));
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}
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}
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void testWhoHas(Test * pTest)
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{
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BACNET_WHO_HAS_DATA data;
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data.low_limit = -1;
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data.high_limit = -1;
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data.object_name = false;
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data.object.identifier.type = OBJECT_ANALOG_INPUT;
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data.object.identifier.instance = 1;
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testWhoHasData(pTest,&data);
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for (
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data.low_limit = 0;
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data.low_limit <= BACNET_MAX_INSTANCE;
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data.low_limit += (BACNET_MAX_INSTANCE/4))
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{
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for (
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data.high_limit = 0;
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data.high_limit <= BACNET_MAX_INSTANCE;
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data.high_limit += (BACNET_MAX_INSTANCE/4))
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{
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data.object_name = false;
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for (
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data.object.identifier.type = OBJECT_ANALOG_INPUT;
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data.object.identifier.type <= MAX_BACNET_OBJECT_TYPE;
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data.object.identifier.type++)
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{
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for (
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data.object.identifier.instance = 1;
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data.object.identifier.instance <= BACNET_MAX_INSTANCE;
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data.object.identifier.instance <<= 1)
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{
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testWhoHasData(pTest,&data);
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}
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}
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data.object_name = true;
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characterstring_init_ansi(
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&data.object.name,"patricia");
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testWhoHasData(pTest,&data);
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}
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}
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}
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#ifdef TEST_WHOHAS
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int main(void)
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{
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Test *pTest;
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bool rc;
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pTest = ct_create("BACnet Who-Has", NULL);
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/* individual tests */
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rc = ct_addTestFunction(pTest, testWhoHas);
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assert(rc);
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ct_setStream(pTest, stdout);
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ct_run(pTest);
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(void) ct_report(pTest);
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ct_destroy(pTest);
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return 0;
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}
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#endif /* TEST_WHOIS */
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#endif /* TEST */
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@@ -0,0 +1,92 @@
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<?xml version="1.0"?>
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<!DOCTYPE CodeBlocks_project_file>
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<CodeBlocks_project_file>
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<FileVersion major="1" minor="1"/>
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<Project>
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<Option title="Who-Has Unit Test"/>
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<Option makefile="Makefile"/>
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<Option makefile_is_custom="0"/>
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<Option compiler="0"/>
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<Build>
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<Target title="default">
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<Option output="C:\code\bacnet-stack\whohas.exe"/>
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<Option working_dir="."/>
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<Option object_output=".objs"/>
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<Option deps_output=".deps"/>
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<Option type="1"/>
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<Option compiler="0"/>
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<Option projectResourceIncludeDirsRelation="1"/>
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<Compiler>
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<Add option="-Wall"/>
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<Add option="-pg"/>
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<Add option="-g"/>
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</Compiler>
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<Linker>
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<Add option="-pg -lgmon"/>
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</Linker>
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</Target>
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</Build>
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<Compiler>
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<Add option="-DTEST"/>
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<Add option="-DTEST_WHOHAS"/>
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<Add directory="C:\code\bacnet-stack\"/>
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<Add directory="test"/>
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</Compiler>
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<Unit filename="bacdcode.c">
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<Option compilerVar="CC"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="bacdcode.h">
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<Option compilerVar=""/>
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<Option compile="0"/>
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<Option link="0"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="bacdef.h">
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<Option compilerVar=""/>
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<Option compile="0"/>
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<Option link="0"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="bacenum.h">
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<Option compilerVar=""/>
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<Option compile="0"/>
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<Option link="0"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="bacstr.c">
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<Option compilerVar="CC"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="bacstr.h">
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<Option compilerVar=""/>
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<Option compile="0"/>
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<Option link="0"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="bigend.c">
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<Option compilerVar="CC"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="test\ctest.c">
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<Option compilerVar="CC"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="whohas.c">
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<Option compilerVar="CC"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="whohas.h">
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<Option compilerVar=""/>
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<Option compile="0"/>
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<Option link="0"/>
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<Option target="default"/>
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</Unit>
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<Unit filename="whohas.mak">
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<Option compilerVar=""/>
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<Option compile="0"/>
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<Option link="0"/>
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<Option target="default"/>
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</Unit>
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</Project>
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</CodeBlocks_project_file>
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@@ -0,0 +1,86 @@
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/*####COPYRIGHTBEGIN####
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||||
-------------------------------------------
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Copyright (C) 2006 Steve Karg
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|
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This program is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU General Public License
|
||||
as published by the Free Software Foundation; either version 2
|
||||
of the License, or (at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to:
|
||||
The Free Software Foundation, Inc.
|
||||
59 Temple Place - Suite 330
|
||||
Boston, MA 02111-1307, USA.
|
||||
|
||||
As a special exception, if other files instantiate templates or
|
||||
use macros or inline functions from this file, or you compile
|
||||
this file and link it with other works to produce a work based
|
||||
on this file, this file does not by itself cause the resulting
|
||||
work to be covered by the GNU General Public License. However
|
||||
the source code for this file must still be made available in
|
||||
accordance with section (3) of the GNU General Public License.
|
||||
|
||||
This exception does not invalidate any other reasons why a work
|
||||
based on this file might be covered by the GNU General Public
|
||||
License.
|
||||
-------------------------------------------
|
||||
####COPYRIGHTEND####*/
|
||||
#ifndef WHOHAS_H
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#define WHOHAS_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "bacstr.h"
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typedef struct BACnet_Who_Has_Data
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{
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int32_t low_limit; /* deviceInstanceRange */
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int32_t high_limit;
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bool object_name; /* true if a string */
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union
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{
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struct
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{
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BACNET_OBJECT_TYPE type;
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uint32_t instance;
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} identifier;
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BACNET_CHARACTER_STRING name;
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} object;
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} BACNET_WHO_HAS_DATA;
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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// encode service - use -1 for limit if you want unlimited
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int whohas_encode_apdu(
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uint8_t *apdu,
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BACNET_WHO_HAS_DATA *data);
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int whohas_decode_service_request(
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uint8_t *apdu,
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unsigned apdu_len,
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BACNET_WHO_HAS_DATA *data);
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int whohas_decode_apdu(
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uint8_t *apdu,
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unsigned apdu_len,
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BACNET_WHO_HAS_DATA *data);
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#ifdef TEST
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#include "ctest.h"
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void testWhoHas(Test * pTest);
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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@@ -0,0 +1,34 @@
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#Makefile to build test case
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CC = gcc
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BASEDIR = .
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#CFLAGS = -Wall -I.
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# -g for debugging with gdb
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#CFLAGS = -Wall -I. -g
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CFLAGS = -Wall -I. -Itest -DTEST -DTEST_WHOHAS -g
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SRCS = bacdcode.c \
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bacstr.c \
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bigend.c \
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whohas.c \
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test/ctest.c
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OBJS = ${SRCS:.c=.o}
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TARGET = whohas
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all: ${TARGET}
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${TARGET}: ${OBJS}
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${CC} -o $@ ${OBJS}
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.c.o:
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${CC} -c ${CFLAGS} $*.c -o $@
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||||
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||||
depend:
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rm -f .depend
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||||
${CC} -MM ${CFLAGS} *.c >> .depend
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||||
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||||
clean:
|
||||
rm -rf core ${TARGET} $(OBJS) *.bak *.1 *.ini
|
||||
|
||||
include: .depend
|
||||
Reference in New Issue
Block a user