1 | /* |
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2 | * Copyright (c) 2012 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Obere Lagerstr. 30 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.com/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifdef HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include "tmacros.h" |
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20 | |
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21 | #include <sys/types.h> |
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22 | #include <stdio.h> |
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23 | #include <errno.h> |
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24 | #include <inttypes.h> |
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25 | #include <limits.h> |
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26 | |
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27 | static void test(void) |
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28 | { |
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29 | FILE *file; |
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30 | int rv; |
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31 | const off_t off = sizeof(off_t) >= sizeof(int64_t) |
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32 | ? INT64_MAX |
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33 | : (sizeof(off_t) == sizeof(int32_t) ? INT32_MAX : 1); |
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34 | off_t actual_off; |
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35 | const long long_off = LONG_MAX; |
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36 | long actual_long_off; |
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37 | |
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38 | errno = 0; |
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39 | file = fopen("file", "w+"); |
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40 | rtems_test_assert(file != NULL); |
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41 | rtems_test_assert(errno == 0); |
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42 | |
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43 | errno = 0; |
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44 | rv = fseek(file, long_off, SEEK_SET); |
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45 | rtems_test_assert(rv == 0); |
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46 | rtems_test_assert(errno == 0); |
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47 | |
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48 | errno = 0; |
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49 | actual_long_off = ftell(file); |
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50 | rtems_test_assert(actual_long_off == long_off); |
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51 | rtems_test_assert(errno == 0); |
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52 | |
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53 | errno = 0; |
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54 | actual_off = ftello(file); |
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55 | rtems_test_assert(actual_off == long_off); |
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56 | rtems_test_assert(errno == 0); |
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57 | |
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58 | errno = 0; |
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59 | rv = fseeko(file, off, SEEK_SET); |
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60 | rtems_test_assert(rv == 0); |
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61 | rtems_test_assert(errno == 0); |
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62 | |
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63 | errno = 0; |
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64 | actual_long_off = ftell(file); |
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65 | rtems_test_assert(actual_long_off == -1L); |
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66 | rtems_test_assert(errno == EOVERFLOW); |
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67 | |
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68 | errno = 0; |
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69 | actual_off = ftello(file); |
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70 | rtems_test_assert(actual_off == off); |
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71 | rtems_test_assert(errno == 0); |
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72 | |
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73 | errno = 0; |
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74 | rv = fclose(file); |
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75 | rtems_test_assert(rv == 0); |
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76 | rtems_test_assert(errno == 0); |
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77 | } |
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78 | |
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79 | static void Init(rtems_task_argument arg) |
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80 | { |
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81 | puts("\n\n*** TEST FSFSEEKO 1 ***"); |
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82 | |
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83 | test(); |
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84 | |
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85 | puts("*** END OF TEST FSFSEEKO 1 ***"); |
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86 | |
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87 | rtems_test_exit(0); |
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88 | } |
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89 | |
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90 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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91 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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92 | |
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93 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4 |
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94 | |
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95 | #define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM |
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96 | |
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97 | #define CONFIGURE_MAXIMUM_TASKS 1 |
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98 | |
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99 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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100 | |
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101 | #define CONFIGURE_INIT |
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102 | |
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103 | #include <rtems/confdefs.h> |
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