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 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /*
  *  COPYRIGHT (c) 1989-2012.
  *  On-Line Applications Research Corporation (OAR).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include <tmacros.h>
 #include "test_support.h"
 #include "termios_testdriver_polled.h"
 
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <termios.h>
 #include <rtems/dumpbuf.h>
 #include <rtems/termiostypes.h>
 
 const char rtems_test_name[] = "TERMIOS 3";
 
 /* forward declarations to avoid warnings */
 rtems_task Init(rtems_task_argument argument);
 void write_helper(int fd, const char *c);
 void read_helper(int fd, const char *expected);
 void open_it(void);
 void close_it(void);
 void change_iflag(const char *desc, int mask, int new);
 
 void write_helper(
   int        fd,
   const char *c
 )
 {
   size_t   len;
   int      rc;
   
   len = strlen( c );
   printf( "Writing: %s", c );
 
   rc = write( fd, c, len );
   rtems_test_assert( rc == len );
 
   termios_test_driver_dump_tx("Transmitted");
 }
 
 uint8_t read_helper_buffer[256];
 
 void read_helper(
   int         fd,
   const char *expected
 )
 {
   int    rc;
   size_t len;
 
   len = strlen( expected );
 
   termios_test_driver_set_rx( expected, len );
   printf( "\nReading (expected):\n" );
   rtems_print_buffer( (unsigned char *)expected, len-1 );
 
   rc = read( fd, read_helper_buffer, sizeof(read_helper_buffer) );
   rtems_test_assert( rc != -1 );
 
   printf( "Read %d bytes from read(2)\n", rc );
   rtems_print_buffer( read_helper_buffer, rc );
 
   termios_test_driver_dump_tx("Echoed");
 }
 
 int Test_fd;
 
 void open_it(void)
 {
   /* open the file */
   puts( "open(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
   Test_fd = open( TERMIOS_TEST_DRIVER_DEVICE_NAME, O_RDWR );
   rtems_test_assert( Test_fd != -1 );
 }
 
 void close_it(void)
 {
   int rc;
 
   puts( "close(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
   rc = close( Test_fd );
   rtems_test_assert( rc == 0 );
 }
 
 void change_iflag( const char *desc, int mask, int new )
 {
   int            rc;
   struct termios attr;
 
   printf( "Changing c_iflag to: %s\n", desc );
   rc = tcgetattr( Test_fd, &attr );
   rtems_test_assert( rc == 0 );
 
   attr.c_iflag &= ~mask;
   attr.c_iflag |= new;
 
   rc = tcsetattr( Test_fd, TCSANOW, &attr );
   rtems_test_assert( rc == 0 );
 }
 
 const char ExpectedOutput_1[] = "This is test output.\n";
 const char ExpectedInput_1[] = "Test input this is.\n";
 const char ExpectedInput_2[] = "1235\b456.\n";
 const char ExpectedInput_3[] = "tab\ttab.\n";
 const char ExpectedInput_4[] = "cr\r.";
 const char ExpectedInput_5[] = "aBcDeFgH.\n";
 const char ExpectedInput_6[] = "Testing VERASE\177.\n";
 const char ExpectedInput_7[] = "Testing VKILL\025.\n";
 const char ExpectedInput_8[] = "\177Testing VERASE in column 1.\n";
 const char ExpectedInput_9[] = "\t tab \tTesting VKILL after tab.\025\n";
 
 rtems_task Init(
   rtems_task_argument argument
 )
 {
   TEST_BEGIN();
 
   open_it();
 
   /* some basic cases */
   write_helper( Test_fd, ExpectedOutput_1 );
   read_helper( Test_fd, ExpectedInput_1 );
   read_helper( Test_fd, ExpectedInput_2 );
   read_helper( Test_fd, ExpectedInput_3 );
   read_helper( Test_fd, ExpectedInput_4 );
 
   /* test to lower case input mapping */
   read_helper( Test_fd, ExpectedInput_5 );
   change_iflag( "Enable to lower case mapping on input", IUCLC, IUCLC );
   read_helper( Test_fd, ExpectedInput_5 );
   change_iflag( "Disable to lower case mapping on input", IUCLC, 0 );
 
   read_helper( Test_fd, ExpectedInput_6 );
   read_helper( Test_fd, ExpectedInput_7 );
   read_helper( Test_fd, ExpectedInput_8 );
   read_helper( Test_fd, ExpectedInput_9 );
 
   puts( "" );
   close_it();
 
   TEST_END();
 
   rtems_test_exit(0);
 }
 
 /* configuration information */
 
 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
 #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
 #define CONFIGURE_APPLICATION_EXTRA_DRIVERS \
   TERMIOS_TEST_DRIVER_TABLE_ENTRY
 
 /* we need to be able to open the test device */
 #define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 4
 #define CONFIGURE_MAXIMUM_TASKS             1
 #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
 
 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
 
 #define CONFIGURE_INIT
 
 #include <rtems/confdefs.h>
 /* end of file */

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