Remove debug/testing files.

1 files changed, 0 insertions, 690 deletions

diff --git a/tests/unit-test-client.c b/tests/unit-test-client.c
deleted file mode 100644
index 533e6a7..0000000
--- a/tests/unit-test-client.c
+++ /dev/null
@@ -1,690 +0,0 @@
-/*
- * Copyright © 2008-2010 Stéphane Raimbault <stephane.raimbault@gmail.com>
- *
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <modbus.h>
-
-#include "unit-test.h"
-
-enum {
-    TCP,
-    TCP_PI,
-    RTU
-};
-
-int main(int argc, char *argv[])
-{
-    uint8_t *tab_rp_bits;
-    uint16_t *tab_rp_registers;
-    uint16_t *tab_rp_registers_bad;
-    modbus_t *ctx;
-    int i;
-    uint8_t value;
-    int nb_points;
-    int rc;
-    float real;
-    struct timeval old_response_timeout;
-    struct timeval response_timeout;
-    int use_backend;
-
-    if (argc > 1) {
-        if (strcmp(argv[1], "tcp") == 0) {
-            use_backend = TCP;
-	} else if (strcmp(argv[1], "tcppi") == 0) {
-            use_backend = TCP_PI;
-        } else if (strcmp(argv[1], "rtu") == 0) {
-            use_backend = RTU;
-        } else {
-            printf("Usage:\n  %s [tcp|tcppi|rtu] - Modbus client for unit testing\n\n", argv[0]);
-            exit(1);
-        }
-    } else {
-        /* By default */
-        use_backend = TCP;
-    }
-
-    if (use_backend == TCP) {
-        ctx = modbus_new_tcp("127.0.0.1", 1502);
-    } else if (use_backend == TCP_PI) {
-        ctx = modbus_new_tcp_pi("::1", "1502");
-    } else {
-        ctx = modbus_new_rtu("/dev/ttyUSB1", 115200, 'N', 8, 1);
-    }
-    if (ctx == NULL) {
-        fprintf(stderr, "Unable to allocate libmodbus context\n");
-        return -1;
-    }
-    modbus_set_debug(ctx, TRUE);
-    modbus_set_error_recovery(ctx,
-                              MODBUS_ERROR_RECOVERY_LINK |
-                              MODBUS_ERROR_RECOVERY_PROTOCOL);
-
-    if (use_backend == RTU) {
-          modbus_set_slave(ctx, SERVER_ID);
-    }
-
-    if (modbus_connect(ctx) == -1) {
-        fprintf(stderr, "Connection failed: %s\n",
-                modbus_strerror(errno));
-        modbus_free(ctx);
-        return -1;
-    }
-
-    /* Allocate and initialize the memory to store the bits */
-    nb_points = (UT_BITS_NB > UT_INPUT_BITS_NB) ? UT_BITS_NB : UT_INPUT_BITS_NB;
-    tab_rp_bits = (uint8_t *) malloc(nb_points * sizeof(uint8_t));
-    memset(tab_rp_bits, 0, nb_points * sizeof(uint8_t));
-
-    /* Allocate and initialize the memory to store the registers */
-    nb_points = (UT_REGISTERS_NB > UT_INPUT_REGISTERS_NB) ?
-        UT_REGISTERS_NB : UT_INPUT_REGISTERS_NB;
-    tab_rp_registers = (uint16_t *) malloc(nb_points * sizeof(uint16_t));
-    memset(tab_rp_registers, 0, nb_points * sizeof(uint16_t));
-
-    printf("** UNIT TESTING **\n");
-
-    printf("\nTEST WRITE/READ:\n");
-
-    /** COIL BITS **/
-
-    /* Single */
-    rc = modbus_write_bit(ctx, UT_BITS_ADDRESS, ON);
-    printf("1/2 modbus_write_bit: ");
-    if (rc == 1) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_read_bits(ctx, UT_BITS_ADDRESS, 1, tab_rp_bits);
-    printf("2/2 modbus_read_bits: ");
-    if (rc != 1) {
-        printf("FAILED (nb points %d)\n", rc);
-        goto close;
-    }
-
-    if (tab_rp_bits[0] != ON) {
-        printf("FAILED (%0X = != %0X)\n", tab_rp_bits[0], ON);
-        goto close;
-    }
-    printf("OK\n");
-    /* End single */
-
-    /* Multiple bits */
-    {
-        uint8_t tab_value[UT_BITS_NB];
-
-        modbus_set_bits_from_bytes(tab_value, 0, UT_BITS_NB, UT_BITS_TAB);
-        rc = modbus_write_bits(ctx, UT_BITS_ADDRESS,
-                               UT_BITS_NB, tab_value);
-        printf("1/2 modbus_write_bits: ");
-        if (rc == UT_BITS_NB) {
-            printf("OK\n");
-        } else {
-            printf("FAILED\n");
-            goto close;
-        }
-    }
-
-    rc = modbus_read_bits(ctx, UT_BITS_ADDRESS, UT_BITS_NB, tab_rp_bits);
-    printf("2/2 modbus_read_bits: ");
-    if (rc != UT_BITS_NB) {
-        printf("FAILED (nb points %d)\n", rc);
-        goto close;
-    }
-
-    i = 0;
-    nb_points = UT_BITS_NB;
-    while (nb_points > 0) {
-        int nb_bits = (nb_points > 8) ? 8 : nb_points;
-
-        value = modbus_get_byte_from_bits(tab_rp_bits, i*8, nb_bits);
-        if (value != UT_BITS_TAB[i]) {
-            printf("FAILED (%0X != %0X)\n", value, UT_BITS_TAB[i]);
-            goto close;
-        }
-
-        nb_points -= nb_bits;
-        i++;
-    }
-    printf("OK\n");
-    /* End of multiple bits */
-
-    /** DISCRETE INPUTS **/
-    rc = modbus_read_input_bits(ctx, UT_INPUT_BITS_ADDRESS,
-                                UT_INPUT_BITS_NB, tab_rp_bits);
-    printf("1/1 modbus_read_input_bits: ");
-
-    if (rc != UT_INPUT_BITS_NB) {
-        printf("FAILED (nb points %d)\n", rc);
-        goto close;
-    }
-
-    i = 0;
-    nb_points = UT_INPUT_BITS_NB;
-    while (nb_points > 0) {
-        int nb_bits = (nb_points > 8) ? 8 : nb_points;
-
-        value = modbus_get_byte_from_bits(tab_rp_bits, i*8, nb_bits);
-        if (value != UT_INPUT_BITS_TAB[i]) {
-            printf("FAILED (%0X != %0X)\n", value, UT_INPUT_BITS_TAB[i]);
-            goto close;
-        }
-
-        nb_points -= nb_bits;
-        i++;
-    }
-    printf("OK\n");
-
-    /** HOLDING REGISTERS **/
-
-    /* Single register */
-    rc = modbus_write_register(ctx, UT_REGISTERS_ADDRESS, 0x1234);
-    printf("1/2 modbus_write_register: ");
-    if (rc == 1) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
-                               1, tab_rp_registers);
-    printf("2/2 modbus_read_registers: ");
-    if (rc != 1) {
-        printf("FAILED (nb points %d)\n", rc);
-        goto close;
-    }
-
-    if (tab_rp_registers[0] != 0x1234) {
-        printf("FAILED (%0X != %0X)\n",
-               tab_rp_registers[0], 0x1234);
-        goto close;
-    }
-    printf("OK\n");
-    /* End of single register */
-
-    /* Many registers */
-    rc = modbus_write_registers(ctx, UT_REGISTERS_ADDRESS,
-                                UT_REGISTERS_NB, UT_REGISTERS_TAB);
-    printf("1/5 modbus_write_registers: ");
-    if (rc == UT_REGISTERS_NB) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
-                               UT_REGISTERS_NB, tab_rp_registers);
-    printf("2/5 modbus_read_registers: ");
-    if (rc != UT_REGISTERS_NB) {
-        printf("FAILED (nb points %d)\n", rc);
-        goto close;
-    }
-
-    for (i=0; i < UT_REGISTERS_NB; i++) {
-        if (tab_rp_registers[i] != UT_REGISTERS_TAB[i]) {
-            printf("FAILED (%0X != %0X)\n",
-                   tab_rp_registers[i],
-                   UT_REGISTERS_TAB[i]);
-            goto close;
-        }
-    }
-    printf("OK\n");
-
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
-                               0, tab_rp_registers);
-    printf("3/5 modbus_read_registers (0): ");
-    if (rc != 0) {
-        printf("FAILED (nb points %d)\n", rc);
-        goto close;
-    }
-    printf("OK\n");
-
-    nb_points = (UT_REGISTERS_NB >
-                 UT_INPUT_REGISTERS_NB) ?
-        UT_REGISTERS_NB : UT_INPUT_REGISTERS_NB;
-    memset(tab_rp_registers, 0, nb_points * sizeof(uint16_t));
-
-    /* Write registers to zero from tab_rp_registers and store read registers
-       into tab_rp_registers. So the read registers must set to 0, except the
-       first one because there is an offset of 1 register on write. */
-    rc = modbus_write_and_read_registers(ctx,
-                                         UT_REGISTERS_ADDRESS + 1, UT_REGISTERS_NB - 1,
-                                         tab_rp_registers,
-                                         UT_REGISTERS_ADDRESS,
-                                         UT_REGISTERS_NB,
-                                         tab_rp_registers);
-    printf("4/5 modbus_write_and_read_registers: ");
-    if (rc != UT_REGISTERS_NB) {
-        printf("FAILED (nb points %d != %d)\n", rc, UT_REGISTERS_NB);
-        goto close;
-    }
-
-    if (tab_rp_registers[0] != UT_REGISTERS_TAB[0]) {
-        printf("FAILED (%0X != %0X)\n",
-               tab_rp_registers[0], UT_REGISTERS_TAB[0]);
-    }
-
-    for (i=1; i < UT_REGISTERS_NB; i++) {
-        if (tab_rp_registers[i] != 0) {
-            printf("FAILED (%0X != %0X)\n",
-                   tab_rp_registers[i], 0);
-            goto close;
-        }
-    }
-    printf("OK\n");
-
-    /* End of many registers */
-
-
-    /** INPUT REGISTERS **/
-    rc = modbus_read_input_registers(ctx, UT_INPUT_REGISTERS_ADDRESS,
-                                     UT_INPUT_REGISTERS_NB,
-                                     tab_rp_registers);
-    printf("1/1 modbus_read_input_registers: ");
-    if (rc != UT_INPUT_REGISTERS_NB) {
-        printf("FAILED (nb points %d)\n", rc);
-        goto close;
-    }
-
-    for (i=0; i < UT_INPUT_REGISTERS_NB; i++) {
-        if (tab_rp_registers[i] != UT_INPUT_REGISTERS_TAB[i]) {
-            printf("FAILED (%0X != %0X)\n",
-                   tab_rp_registers[i], UT_INPUT_REGISTERS_TAB[i]);
-            goto close;
-        }
-    }
-    printf("OK\n");
-
-    printf("\nTEST FLOATS\n");
-    /** FLOAT **/
-    printf("1/2 Set float: ");
-    modbus_set_float(UT_REAL, tab_rp_registers);
-    if (tab_rp_registers[1] == (UT_IREAL >> 16) &&
-        tab_rp_registers[0] == (UT_IREAL & 0xFFFF)) {
-        printf("OK\n");
-    } else {
-        printf("FAILED (%x != %x)\n",
-               *((uint32_t *)tab_rp_registers), UT_IREAL);
-        goto close;
-    }
-
-    printf("2/2 Get float: ");
-    real = modbus_get_float(tab_rp_registers);
-    if (real == UT_REAL) {
-        printf("OK\n");
-    } else {
-        printf("FAILED (%f != %f)\n", real, UT_REAL);
-        goto close;
-    }
-
-    printf("\nAt this point, error messages doesn't mean the test has failed\n");
-
-    /** ILLEGAL DATA ADDRESS **/
-    printf("\nTEST ILLEGAL DATA ADDRESS:\n");
-
-    /* The mapping begins at 0 and ends at address + nb_points so
-     * the addresses are not valid. */
-
-    rc = modbus_read_bits(ctx, UT_BITS_ADDRESS,
-                          UT_BITS_NB + 1, tab_rp_bits);
-    printf("* modbus_read_bits: ");
-    if (rc == -1 && errno == EMBXILADD) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_read_input_bits(ctx, UT_INPUT_BITS_ADDRESS,
-                                UT_INPUT_BITS_NB + 1, tab_rp_bits);
-    printf("* modbus_read_input_bits: ");
-    if (rc == -1 && errno == EMBXILADD)
-        printf("OK\n");
-    else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
-                               UT_REGISTERS_NB + 1, tab_rp_registers);
-    printf("* modbus_read_registers: ");
-    if (rc == -1 && errno == EMBXILADD)
-        printf("OK\n");
-    else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_read_input_registers(ctx, UT_INPUT_REGISTERS_ADDRESS,
-                                     UT_INPUT_REGISTERS_NB + 1,
-                                     tab_rp_registers);
-    printf("* modbus_read_input_registers: ");
-    if (rc == -1 && errno == EMBXILADD)
-        printf("OK\n");
-    else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_write_bit(ctx, UT_BITS_ADDRESS + UT_BITS_NB, ON);
-    printf("* modbus_write_bit: ");
-    if (rc == -1 && errno == EMBXILADD) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_write_bits(ctx, UT_BITS_ADDRESS + UT_BITS_NB,
-                           UT_BITS_NB, tab_rp_bits);
-    printf("* modbus_write_coils: ");
-    if (rc == -1 && errno == EMBXILADD) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_write_registers(ctx, UT_REGISTERS_ADDRESS + UT_REGISTERS_NB,
-                                UT_REGISTERS_NB, tab_rp_registers);
-    printf("* modbus_write_registers: ");
-    if (rc == -1 && errno == EMBXILADD) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-
-    /** TOO MANY DATA **/
-    printf("\nTEST TOO MANY DATA ERROR:\n");
-
-    rc = modbus_read_bits(ctx, UT_BITS_ADDRESS,
-                          MODBUS_MAX_READ_BITS + 1, tab_rp_bits);
-    printf("* modbus_read_bits: ");
-    if (rc == -1 && errno == EMBMDATA) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_read_input_bits(ctx, UT_INPUT_BITS_ADDRESS,
-                                MODBUS_MAX_READ_BITS + 1, tab_rp_bits);
-    printf("* modbus_read_input_bits: ");
-    if (rc == -1 && errno == EMBMDATA) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
-                               MODBUS_MAX_READ_REGISTERS + 1,
-                               tab_rp_registers);
-    printf("* modbus_read_registers: ");
-    if (rc == -1 && errno == EMBMDATA) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_read_input_registers(ctx, UT_INPUT_REGISTERS_ADDRESS,
-                                     MODBUS_MAX_READ_REGISTERS + 1,
-                                     tab_rp_registers);
-    printf("* modbus_read_input_registers: ");
-    if (rc == -1 && errno == EMBMDATA) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    rc = modbus_write_bits(ctx, UT_BITS_ADDRESS,
-                           MODBUS_MAX_WRITE_BITS + 1, tab_rp_bits);
-    printf("* modbus_write_bits: ");
-    if (rc == -1 && errno == EMBMDATA) {
-        printf("OK\n");
-    } else {
-        goto close;
-        printf("FAILED\n");
-    }
-
-    rc = modbus_write_registers(ctx, UT_REGISTERS_ADDRESS,
-                                MODBUS_MAX_WRITE_REGISTERS + 1,
-                                tab_rp_registers);
-    printf("* modbus_write_registers: ");
-    if (rc == -1 && errno == EMBMDATA) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    /** SLAVE REPLY **/
-    printf("\nTEST SLAVE REPLY:\n");
-    modbus_set_slave(ctx, INVALID_SERVER_ID);
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
-                               UT_REGISTERS_NB, tab_rp_registers);
-    if (use_backend == RTU) {
-        const int RAW_REQ_LENGTH = 6;
-        uint8_t raw_req[] = { INVALID_SERVER_ID, 0x03, 0x00, 0x01, 0xFF, 0xFF };
-        uint8_t rsp[MODBUS_TCP_MAX_ADU_LENGTH];
-
-        /* No response in RTU mode */
-        printf("1/4-A No response from slave %d: ", INVALID_SERVER_ID);
-
-        if (rc == -1 && errno == ETIMEDOUT) {
-            printf("OK\n");
-        } else {
-            printf("FAILED\n");
-            goto close;
-        }
-
-        /* Send an invalid query with a wrong slave ID */
-        modbus_send_raw_request(ctx, raw_req,
-                                RAW_REQ_LENGTH * sizeof(uint8_t));
-        rc = modbus_receive_confirmation(ctx, rsp);
-
-        printf("1/4-B No response from slave %d with invalid request: ",
-               INVALID_SERVER_ID);
-
-        if (rc == -1 && errno == ETIMEDOUT) {
-            printf("OK\n");
-        } else {
-            printf("FAILED (%d)\n", rc);
-            goto close;
-        }
-
-    } else {
-        /* Response in TCP mode */
-        printf("1/4 Response from slave %d: ", 18);
-
-        if (rc == UT_REGISTERS_NB) {
-            printf("OK\n");
-        } else {
-            printf("FAILED\n");
-            goto close;
-        }
-    }
-
-    rc = modbus_set_slave(ctx, MODBUS_BROADCAST_ADDRESS);
-    if (rc == -1) {
-        printf("Invalid broacast address\n");
-        goto close;
-    }
-
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
-                               UT_REGISTERS_NB, tab_rp_registers);
-    printf("2/4 Reply after a broadcast query: ");
-    if (rc == UT_REGISTERS_NB) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    /* Restore slave */
-    if (use_backend == RTU) {
-        modbus_set_slave(ctx, SERVER_ID);
-    } else {
-        modbus_set_slave(ctx, MODBUS_TCP_SLAVE);
-    }
-
-    printf("3/4 Report slave ID: \n");
-    /* tab_rp_bits is used to store bytes */
-    rc = modbus_report_slave_id(ctx, tab_rp_bits);
-    if (rc == -1) {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    /* Slave ID is an arbitraty number for libmodbus */
-    if (rc > 0) {
-        printf("OK Slave ID is %d\n", tab_rp_bits[0]);
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    /* Run status indicator */
-    if (rc > 1 && tab_rp_bits[1] == 0xFF) {
-        printf("OK Run Status Indicator is %s\n", tab_rp_bits[1] ? "ON" : "OFF");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    /* Print additional data as string */
-    if (rc > 2) {
-        printf("Additional data: ");
-        for (i=2; i < rc; i++) {
-            printf("%c", tab_rp_bits[i]);
-        }
-        printf("\n");
-    }
-
-    /* Save original timeout */
-    modbus_get_response_timeout(ctx, &old_response_timeout);
-
-    /* Define a new and too short timeout */
-    response_timeout.tv_sec = 0;
-    response_timeout.tv_usec = 0;
-    modbus_set_response_timeout(ctx, &response_timeout);
-
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
-                               UT_REGISTERS_NB, tab_rp_registers);
-    printf("4/4 Too short timeout: ");
-    if (rc == -1 && errno == ETIMEDOUT) {
-        printf("OK\n");
-    } else {
-        printf("FAILED (can fail on slow systems or Windows)\n");
-    }
-
-    /* Restore original timeout */
-    modbus_set_response_timeout(ctx, &old_response_timeout);
-
-    /* A wait and flush operation is done by the error recovery code of
-     * libmodbus */
-
-    /** BAD RESPONSE **/
-    printf("\nTEST BAD RESPONSE ERROR:\n");
-
-    /* Allocate only the required space */
-    tab_rp_registers_bad = (uint16_t *) malloc(
-        UT_REGISTERS_NB_SPECIAL * sizeof(uint16_t));
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
-                               UT_REGISTERS_NB_SPECIAL, tab_rp_registers_bad);
-    printf("* modbus_read_registers: ");
-    if (rc == -1 && errno == EMBBADDATA) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    free(tab_rp_registers_bad);
-
-    /** MANUAL EXCEPTION **/
-    printf("\nTEST MANUAL EXCEPTION:\n");
-
-    rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS_SPECIAL,
-                               UT_REGISTERS_NB, tab_rp_registers);
-    printf("* modbus_read_registers at special address: ");
-    if (rc == -1 && errno == EMBXSBUSY) {
-        printf("OK\n");
-    } else {
-        printf("FAILED\n");
-        goto close;
-    }
-
-    /** RAW REQUEST */
-    printf("\nTEST RAW REQUEST:\n");
-    {
-        const int RAW_REQ_LENGTH = 6;
-        uint8_t raw_req[] = { (use_backend == RTU) ? SERVER_ID : 0xFF,
-                              0x03, 0x00, 0x01, 0x0, 0x05 };
-        int req_length;
-        uint8_t rsp[MODBUS_TCP_MAX_ADU_LENGTH];
-
-        req_length = modbus_send_raw_request(ctx, raw_req,
-                                             RAW_REQ_LENGTH * sizeof(uint8_t));
-
-        printf("* modbus_send_raw_request: ");
-        if ((use_backend == RTU && req_length == (RAW_REQ_LENGTH + 2)) ||
-            ((use_backend == TCP || use_backend == TCP_PI) &&
-             req_length == (RAW_REQ_LENGTH + 6))) {
-            printf("OK\n");
-        } else {
-            printf("FAILED (%d)\n", req_length);
-            goto close;
-        }
-
-        printf("* modbus_receive_confirmation: ");
-        rc  = modbus_receive_confirmation(ctx, rsp);
-        if ((use_backend == RTU && rc == 15) ||
-            ((use_backend == TCP || use_backend == TCP_PI) &&
-             rc == 19)) {
-            printf("OK\n");
-        } else {
-            printf("FAILED (%d)\n", rc);
-            goto close;
-        }
-    }
-
-    printf("\nALL TESTS PASS WITH SUCCESS.\n");
-
-close:
-    /* Free the memory */
-    free(tab_rp_bits);
-    free(tab_rp_registers);
-
-    /* Close the connection */
-    modbus_close(ctx);
-    modbus_free(ctx);
-
-    return 0;
-}