1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
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2 | |
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3 | /** |
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4 | * @file |
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5 | * |
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6 | * This is a native test to explore how the readdir() family works. |
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7 | * Newlib supports the following readdir() family members: |
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8 | * |
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9 | * closedir() - |
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10 | * readdir() - |
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11 | * scandir() - |
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12 | * opendir() - |
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13 | * rewinddir() - |
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14 | * telldir() - BSD not in POSIX |
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15 | * seekdir() - BSD not in POSIX |
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16 | * |
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17 | * |
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18 | * seekdir() takes an offset which is a byte offset. The Linux |
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19 | * implementation of this appears to seek to the ((off/DIRENT_SIZE) + 1) |
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20 | * record where DIRENT_SIZE seems to be 12 bytes. |
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21 | */ |
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22 | |
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23 | /* |
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24 | * COPYRIGHT (c) 1989-2012. |
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25 | * On-Line Applications Research Corporation (OAR). |
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26 | * |
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27 | * Redistribution and use in source and binary forms, with or without |
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28 | * modification, are permitted provided that the following conditions |
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29 | * are met: |
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30 | * 1. Redistributions of source code must retain the above copyright |
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31 | * notice, this list of conditions and the following disclaimer. |
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32 | * 2. Redistributions in binary form must reproduce the above copyright |
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33 | * notice, this list of conditions and the following disclaimer in the |
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34 | * documentation and/or other materials provided with the distribution. |
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35 | * |
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36 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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37 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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39 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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40 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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41 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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42 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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43 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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44 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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45 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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46 | * POSSIBILITY OF SUCH DAMAGE. |
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47 | */ |
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48 | |
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49 | #ifdef HAVE_CONFIG_H |
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50 | #include "config.h" |
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51 | #endif |
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52 | |
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53 | #include <stdio.h> |
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54 | #include <sys/types.h> |
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55 | #include <fcntl.h> |
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56 | #include <dirent.h> |
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57 | #include <string.h> |
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58 | #include <unistd.h> |
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59 | #include <errno.h> |
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60 | #include <rtems/imfs.h> |
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61 | |
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62 | const char rtems_test_name[] = "PSXREADDIR"; |
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63 | |
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64 | /* forward declarations to avoid warnings */ |
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65 | int test_main(void); |
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66 | void printdir(DIR *directory); |
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67 | void complete_printdir(char *path); |
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68 | int select1(const struct dirent *entry); |
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69 | int select2(const struct dirent *entry); |
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70 | int compare_ascending(const struct dirent **a, const struct dirent **b); |
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71 | int compare_descending( const struct dirent **a, const struct dirent **b); |
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72 | void test_across_mount(void); |
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73 | void test_across_mount(void); |
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74 | |
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75 | DIR *directory; |
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76 | DIR *directory2; |
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77 | DIR *directory3; |
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78 | DIR *directory_not; |
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79 | |
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80 | /* |
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81 | int scandir ( const char *dirname, |
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82 | struct dirent *** namelist, |
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83 | int (*select) __P((struct dirent *)), |
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84 | int (*dcomp) __P((const struct dirent **, const struct dirent **)) |
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85 | ); |
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86 | */ |
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87 | |
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88 | #if defined(__rtems__) |
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89 | #define d_type d_reclen |
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90 | #include <pmacros.h> |
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91 | #endif |
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92 | |
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93 | void printdir( DIR *directory ) |
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94 | { |
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95 | struct dirent *d; |
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96 | |
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97 | printf( "%-20s %8s %8s %8s %4s\n", |
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98 | "name", " inode", " offset", "reclen", " type" ); |
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99 | d = readdir(directory); |
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100 | |
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101 | while (d) { |
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102 | printf( "%-20s %8" PRIuino_t " %8" PRIdoff_t " %6d 0x%04x\n", |
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103 | d->d_name, d->d_ino, d->d_off, d->d_reclen, d->d_type ); |
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104 | d = readdir(directory); |
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105 | |
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106 | } |
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107 | } |
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108 | |
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109 | void complete_printdir( char *path ) |
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110 | { |
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111 | DIR *the_dir; |
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112 | int status; |
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113 | |
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114 | the_dir = opendir( path ); |
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115 | rtems_test_assert( the_dir ); |
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116 | |
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117 | printdir( the_dir ); |
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118 | status = closedir( the_dir ); |
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119 | rtems_test_assert( !status ); |
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120 | } |
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121 | |
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122 | char *many_files[] = { |
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123 | "a", |
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124 | "b", |
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125 | "c", |
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126 | "d", |
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127 | "e", |
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128 | "f", |
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129 | "g", |
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130 | "h", |
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131 | "i", |
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132 | "j", |
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133 | "k", |
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134 | "l", |
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135 | "m", |
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136 | "n", |
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137 | "o", |
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138 | "p", |
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139 | "q", |
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140 | "r", |
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141 | "s", |
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142 | "t", |
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143 | "u", |
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144 | "v", |
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145 | "w", |
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146 | "x", |
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147 | "y", |
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148 | "z", |
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149 | "aa", |
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150 | "ab", |
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151 | "ac", |
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152 | "ad", |
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153 | "ae", |
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154 | "af", |
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155 | "ag", |
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156 | "ah", |
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157 | "ai", |
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158 | "aj", |
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159 | "ak", |
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160 | "al", |
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161 | "am", |
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162 | "an", |
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163 | "ao", |
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164 | "ap", |
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165 | "aq", |
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166 | "ar" |
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167 | }; |
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168 | |
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169 | char *dnames[] = { |
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170 | "a", |
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171 | "b", |
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172 | "c", |
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173 | "d", |
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174 | "e", |
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175 | "f", |
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176 | "c/y", |
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177 | "c/z", |
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178 | "c/x", |
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179 | "c/y/a3333", |
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180 | "c/y/j123", |
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181 | "END" |
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182 | }; |
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183 | |
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184 | int select1 ( const struct dirent *entry ) |
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185 | { |
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186 | printf("SCANDIR SELECT1 accepts nodename: %s\n", entry->d_name ); |
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187 | return 1; |
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188 | } |
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189 | |
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190 | int select2 ( const struct dirent *entry ) |
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191 | { |
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192 | if( strcmp( entry->d_name, "y") == 0 ) { |
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193 | printf("SCANDIR SELECT accepted nodename: %s\n", entry->d_name ); |
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194 | return 1; |
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195 | } |
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196 | printf("SCANDIR SELECT rejected nodename: %s\n", entry->d_name ); |
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197 | return 0; |
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198 | } |
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199 | |
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200 | int compare_ascending(const struct dirent **a, const struct dirent **b ) |
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201 | { |
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202 | int i; |
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203 | |
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204 | i = strcmp ( |
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205 | (char *)((struct dirent *)(*a)->d_name), |
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206 | (char *)((struct dirent *)(*b)->d_name) |
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207 | ); |
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208 | return i; |
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209 | } |
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210 | |
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211 | int compare_descending( const struct dirent **a, const struct dirent **b ) |
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212 | { |
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213 | int i; |
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214 | |
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215 | i = strcmp ( |
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216 | (char *)((const struct dirent *)(*b)->d_name), |
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217 | (char *)((const struct dirent *)(*a)->d_name) |
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218 | ); |
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219 | |
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220 | return i; |
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221 | } |
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222 | |
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223 | void test_across_mount(void) |
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224 | { |
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225 | int status; |
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226 | |
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227 | /* |
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228 | * Verify Readdir works correctly over mount points. |
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229 | */ |
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230 | |
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231 | printf("Validate readdir across mount point\n"); |
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232 | rtems_test_assert( mkdir( "/imfs", 0777 ) == 0 ); |
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233 | rtems_test_assert( mkdir( "/imfs/should_be_hidden", 0777 ) == 0 ); |
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234 | complete_printdir("/imfs" ); |
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235 | printf("Attempting to mount IMFS file system at /imfs \n"); |
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236 | status = mount( |
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237 | "null", |
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238 | "/imfs", |
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239 | "imfs", |
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240 | RTEMS_FILESYSTEM_READ_WRITE, |
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241 | NULL ); |
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242 | rtems_test_assert( status == 0 ); |
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243 | printf( "create /imfs/testdir and /imfs/testdir/testsubdir\n"); |
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244 | |
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245 | status = mkdir( "/imfs/testdir", 0777 ); |
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246 | rtems_test_assert( status == 0 ); |
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247 | status = mkdir( "/imfs/testdir/testsubdir", 0777 ); |
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248 | rtems_test_assert( status == 0 ); |
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249 | |
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250 | complete_printdir("/imfs" ); |
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251 | complete_printdir("/imfs/" ); |
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252 | complete_printdir("/imfs/." ); |
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253 | complete_printdir("/imfs/testdir" ); |
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254 | complete_printdir("/imfs/testdir/.." ); |
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255 | } |
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256 | |
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257 | #if defined(__rtems__) |
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258 | int test_main(void) |
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259 | #else |
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260 | int main( |
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261 | int argc, |
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262 | char **argv |
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263 | ) |
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264 | #endif |
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265 | { |
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266 | static const char *my_file = "/b/my_file"; |
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267 | |
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268 | int fd; |
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269 | int i; |
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270 | int status; |
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271 | off_t off; |
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272 | struct dirent *d_not; |
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273 | struct dirent **namelist; |
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274 | struct stat s; |
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275 | |
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276 | |
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277 | TEST_BEGIN(); |
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278 | |
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279 | printf( "\nchdir to the root directory\n" ); |
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280 | status = chdir( "/" ); |
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281 | printf( "chdir() status : %d\n\n", status ); |
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282 | |
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283 | printf( "\nCreating a series of directories under /\n" ); |
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284 | i=0; |
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285 | while ( strcmp(dnames[i], "END") != 0 ) |
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286 | { |
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287 | status = mkdir( dnames[i], 0x1c0 ); |
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288 | printf("Creating directory: %s %d %d ", dnames[i], status, errno ); |
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289 | if ( errno == 0 ) |
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290 | printf(" Success\n"); |
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291 | else |
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292 | printf(" Failure\n"); |
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293 | |
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294 | i++; |
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295 | } |
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296 | |
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297 | /* |
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298 | * Create files under many and open the directory. |
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299 | */ |
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300 | |
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301 | printf("Create a lot of files\n"); |
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302 | status = mkdir( "/many", 0x1c0 ); |
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303 | status = chdir( "/many" ); |
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304 | for (i = 0; i<44; i++) { |
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305 | printf("Create %s\n", many_files[i]); |
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306 | fd = open (many_files[i], O_CREAT, S_IRWXU); |
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307 | close (fd); |
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308 | } |
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309 | printf("Open /many and print the directory\n"); |
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310 | directory_not = opendir( "/many" ); |
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311 | printdir ( directory_not ); |
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312 | d_not = readdir( directory_not ); |
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313 | rtems_test_assert( d_not == 0 ); |
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314 | |
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315 | printf("open %s\n", my_file); |
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316 | fd = open (my_file, O_CREAT, S_IRWXU); |
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317 | rtems_test_assert( fd != -1 ); |
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318 | close (fd); |
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319 | |
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320 | printf("scandir a file status: "); |
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321 | status = scandir( |
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322 | my_file, |
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323 | &namelist, |
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324 | select1, |
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325 | NULL |
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326 | ); |
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327 | printf("%d\n", status); |
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328 | |
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329 | printf("Open /b/new_file\n"); |
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330 | fd = open( "/b/new_file", O_CREAT, S_IRWXU ); |
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331 | rtems_test_assert( fd != -1 ); |
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332 | |
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333 | printf("fcntl F_SETFD should return 0\n"); |
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334 | status = fcntl( fd, F_SETFD, 1 ); |
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335 | rtems_test_assert( status == 0 ); |
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336 | |
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337 | printf("fcntl F_SETFD should return 1\n"); |
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338 | status = fcntl( fd, F_GETFD, 1 ); |
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339 | rtems_test_assert( status == 1 ); |
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340 | |
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341 | printf("fcntl F_DUPFD should return a file descriptor\n"); |
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342 | status = fcntl( fd, F_DUPFD, 0 ); |
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343 | rtems_test_assert ( status >= 0 ); |
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344 | |
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345 | printf("close duplicate should return 0\n"); |
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346 | status = close( status ); |
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347 | rtems_test_assert ( status == 0 ); |
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348 | |
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349 | printf("fcntl F_GETFL returns current flags\n"); |
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350 | status = fcntl( fd, F_GETFL, 1 ); |
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351 | printf("fcntl F_GETFL returned 0x%x\n", status ); |
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352 | rtems_test_assert( status != -1 ); |
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353 | |
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354 | printf("fcntl F_SETFL to add O_APPEND and O_NONBLOCK\n"); |
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355 | status = fcntl( fd, F_SETFL, O_APPEND|O_NONBLOCK ); |
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356 | rtems_test_assert ( status != -1 ); |
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357 | |
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358 | printf("fcntl F_GETFL return current flags to see changes\n"); |
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359 | status = fcntl( fd, F_GETFL, 1 ); |
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360 | printf("fcntl F_GETFL returned 0x%x\n", status ); |
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361 | rtems_test_assert( status != -1 ); |
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362 | |
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363 | printf("fcntl F_GETLK should return -1\n"); |
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364 | status = fcntl( fd, F_GETLK, 1 ); |
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365 | rtems_test_assert ( status == -1 ); |
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366 | |
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367 | printf("fcntl F_SETLK should return -1\n"); |
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368 | status = fcntl( fd, F_SETLK, 1 ); |
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369 | rtems_test_assert ( status == -1 ); |
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370 | |
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371 | printf("fcntl F_SETLKW should return -1\n"); |
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372 | status = fcntl( fd, F_SETLKW, 1 ); |
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373 | rtems_test_assert ( status == -1 ); |
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374 | |
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375 | printf("fcntl F_SETOWN should return -1\n"); |
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376 | status = fcntl( fd, F_SETOWN, 1 ); |
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377 | rtems_test_assert ( status == -1 ); |
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378 | |
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379 | printf("fcntl F_GETOWN should return -1\n"); |
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380 | status = fcntl( fd, F_GETOWN, 1 ); |
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381 | rtems_test_assert ( status == -1 ); |
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382 | |
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383 | printf("fcntl invalid argument should return -1\n"); |
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384 | status = fcntl( fd, 0xb, 1 ); |
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385 | printf("Status %d\n",status); |
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386 | rtems_test_assert( status == -1 ); |
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387 | |
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388 | printf("close should return 0\n"); |
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389 | status = close( fd ); |
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390 | rtems_test_assert ( status == 0 ); |
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391 | |
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392 | printf("opendir, readdir and closedir %s\n", my_file); |
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393 | #ifdef O_DIRECTORY |
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394 | fd = open( my_file, O_RDONLY ); |
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395 | rtems_test_assert( fd >= 0 ); |
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396 | directory_not = fdopendir( fd ); |
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397 | #else |
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398 | directory_not = opendir (my_file); |
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399 | #endif |
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400 | rtems_test_assert( directory_not != NULL ); |
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401 | d_not = readdir(directory_not); |
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402 | rtems_test_assert( d_not == NULL ); |
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403 | status = closedir (directory_not); |
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404 | rtems_test_assert (status == 0); |
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405 | |
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406 | printf("opendir, readdir and closedir\n"); |
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407 | directory_not = opendir ("/a"); |
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408 | rtems_test_assert( directory_not != NULL ); |
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409 | d_not = readdir (directory_not); |
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410 | rtems_test_assert( d_not == NULL ); |
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411 | status = closedir (directory_not); |
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412 | rtems_test_assert (status == 0); |
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413 | |
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414 | printf("chdir to %s\n", my_file); |
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415 | status = chdir (my_file); |
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416 | rtems_test_assert (status == -1); |
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417 | |
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418 | printf( "\nPerforming stat of directory /\n"); |
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419 | status = stat( "/", &s ); |
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420 | printf("status for stat : %d, size of directory: %" PRIdoff_t "\n\n", status, s.st_size); |
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421 | |
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422 | puts( "\nOpen and print directory /" ); |
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423 | directory = opendir("/"); |
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424 | rtems_test_assert( directory ); |
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425 | printdir(directory); |
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426 | |
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427 | printf("\nmkdir /d/my_dir\n"); |
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428 | status = mkdir( "/d/my_dir", 0x1c0 ); |
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429 | printf("Open /d/my_dir\n"); |
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430 | directory_not = opendir( "/d/my_dir" ); |
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431 | rtems_test_assert( directory_not ); |
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432 | |
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433 | printf( "remove /d/my_dir.\n" ); |
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434 | status = rmdir( "/d/my_dir" ); |
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435 | rtems_test_assert( status == 0 ); |
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436 | |
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437 | printf( "close /d/my_dir.\n" ); |
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438 | closedir( directory_not ); |
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439 | |
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440 | printf( "\nOpening directory /c\n" ); |
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441 | directory2 = opendir("/c"); |
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442 | |
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443 | rtems_test_assert( directory2 ); |
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444 | |
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445 | printdir(directory2); |
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446 | status = closedir( directory2 ); |
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447 | |
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448 | printf( "\nOpening directory /c/y\n" ); |
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449 | directory3 = opendir("/c/y"); |
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450 | rtems_test_assert( directory3 ); |
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451 | printdir(directory3); |
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452 | status = closedir( directory3 ); |
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453 | |
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454 | printf( "\nLSEEK to the start of the open directory\n" ); |
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455 | lseek( directory->dd_fd, 0, SEEK_SET ); |
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456 | printdir(directory); |
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457 | |
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458 | lseek( directory->dd_fd, 0, SEEK_CUR ); |
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459 | |
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460 | lseek( directory->dd_fd, 0, SEEK_END ); |
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461 | |
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462 | lseek( directory->dd_fd, 0, -99 ); |
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463 | |
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464 | printf( "\nRewinding directory\n" ); |
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465 | rewinddir( directory ); |
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466 | printdir(directory); |
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467 | |
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468 | #if 0 |
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469 | /* Newlib's implementation does not check for NULL */ |
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470 | printf( "Send rewinddir a NULL pointer\n"); |
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471 | rewinddir( NULL ); |
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472 | #endif |
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473 | |
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474 | printf( "\nSeek directory\n" ); |
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475 | printf( "telldir() should report only sizeof(struct dirent) increments \n" ); |
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476 | printf( "in position. Sizeof(struct dirent): %zd\n", |
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477 | sizeof(struct dirent) ); |
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478 | rewinddir( directory ); |
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479 | for( off=0 ; off<=200 ; off=off + sizeof(struct dirent) / 4 ) { |
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480 | seekdir( directory, off ); |
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481 | printf( |
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482 | "seeked to %2" PRIdoff_t " -- currently at %2ld\n", |
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483 | off, |
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484 | telldir(directory) |
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485 | ); |
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486 | } |
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487 | |
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488 | printf( "Send seekdir a NULL pointer\n"); |
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489 | seekdir( NULL, off ); |
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490 | |
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491 | printf( "\nClosing directory\n" ); |
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492 | status = closedir( directory ); |
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493 | |
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494 | printf( "\nSCANDIR TEST\n"); |
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495 | printf( "\nselection rule 1\n"); |
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496 | printf( "scanning for any entry under directory /c\n\n"); |
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497 | status = scandir( |
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498 | "/c", |
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499 | &namelist, |
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500 | select1, |
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501 | NULL |
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502 | ); |
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503 | printf("\nscandir status: %d\n", status ); |
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504 | for ( i=0; i<status; i++) |
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505 | { |
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506 | printf("Selected Node Name: %s\n", namelist[i]->d_name ); |
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507 | } |
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508 | |
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509 | printf( "\nselection rule 2\n"); |
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510 | printf( "scanning for any entry under directory /c whose name = y\n\n"); |
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511 | status = scandir( |
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512 | "/c", |
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513 | &namelist, |
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514 | select2, |
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515 | NULL |
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516 | ); |
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517 | printf("\nscandir status: %d\n", status ); |
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518 | for ( i=0; i<status; i++) |
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519 | { |
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520 | printf("Selected Node Name: %s\n", namelist[i]->d_name ); |
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521 | } |
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522 | |
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523 | printf( "\nSCANDIR with sorting\n" ); |
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524 | printf( "\nselection rule 1\n"); |
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525 | printf( "scanning for any entry under directory /c\n"); |
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526 | printf( "sort in ascending order\n\n"); |
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527 | status = scandir( |
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528 | "/c", |
---|
529 | &namelist, |
---|
530 | select1, |
---|
531 | compare_ascending |
---|
532 | ); |
---|
533 | printf("\nscandir status: %d\n", status ); |
---|
534 | for ( i=0; i<status; i++) |
---|
535 | { |
---|
536 | printf("Selected and Sorted Node Name: %s\n", namelist[i]->d_name ); |
---|
537 | } |
---|
538 | |
---|
539 | |
---|
540 | printf( "\nSCANDIR with sorting\n" ); |
---|
541 | printf( "\nselection rule 1\n"); |
---|
542 | printf( "scanning for any entry under directory /c\n"); |
---|
543 | printf( "sort in descending order\n\n"); |
---|
544 | status = scandir( |
---|
545 | "/c", |
---|
546 | &namelist, |
---|
547 | select1, |
---|
548 | compare_descending |
---|
549 | ); |
---|
550 | printf("scandir status: %d\n", status ); |
---|
551 | for ( i=0; i<status; i++) |
---|
552 | { |
---|
553 | printf("Selected and Sorted Node Name: %s\n", namelist[i]->d_name ); |
---|
554 | } |
---|
555 | |
---|
556 | printf("unlink %s should return 0\n", my_file); |
---|
557 | status = unlink( my_file ); |
---|
558 | rtems_test_assert ( status == 0 ); |
---|
559 | |
---|
560 | test_across_mount(); |
---|
561 | TEST_END(); |
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562 | rtems_test_exit(0); |
---|
563 | } |
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