Sun, 17 Dec 2023 14:25:34 +0100
[Makefile] fix missing rules preventing dry-runs
We have to support dry-runs, because many IDEs are using
dry-runs to collect build information.
Some rules have dependencies that expect certain files or
directories to be just present. We added respective build
rules which invoke the test program. This way, the behavior
when running make normally is exactly the same, but dry-runs
are also not failing now.
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2019 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | /* |
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30 | * small tool for accessing extended attributes |
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31 | */ |
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32 | |
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33 | #include <stdio.h> |
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34 | #include <stdlib.h> |
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35 | #include <string.h> |
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36 | #include <errno.h> |
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37 | |
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38 | #ifdef _WIN32 |
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39 | #include <Windows.h> |
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40 | #endif |
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41 | |
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42 | #include "libxattr.h" |
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43 | |
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44 | int attrtool_list(int argc, char **argv, int values); |
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45 | int attrtool_get(int argc, char **argv, int raw); |
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46 | int attrtool_set(int argc, char **argv); |
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47 | int attrtool_rm(int argc, char **argv); |
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48 | |
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49 | void print_usage(char *cmd) { |
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50 | fprintf(stderr, "usage %s:\n", cmd); |
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51 | fprintf(stderr, " list <file>\n"); |
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52 | fprintf(stderr, " listvalues <file>\n"); |
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53 | fprintf(stderr, " get <file> <name>\n"); |
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54 | fprintf(stderr, " set <file> <name> <value>\n"); |
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55 | fprintf(stderr, " remove <file> <name>\n"); |
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56 | } |
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57 | |
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58 | int xattr_tool_main(int argc, char **argv); |
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59 | |
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60 | #ifdef _WIN32 |
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61 | static char* wchar2utf8(const wchar_t *wstr, size_t wlen) { |
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62 | size_t maxlen = wlen * 4; |
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63 | char *ret = malloc(maxlen + 1); |
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64 | int ret_len = WideCharToMultiByte( |
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65 | CP_UTF8, |
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66 | 0, |
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67 | wstr, |
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68 | wlen, |
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69 | ret, |
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70 | maxlen, |
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71 | NULL, |
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72 | NULL); |
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73 | ret[ret_len] = 0; |
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74 | return ret; |
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75 | } |
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76 | |
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77 | int wmain(int argc, wchar_t **argv) { |
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78 | char **argv_utf8 = calloc(argc, sizeof(char*)); |
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79 | for(int i=0;i<argc;i++) { |
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80 | argv_utf8[i] = wchar2utf8(argv[i], wcslen(argv[i])); |
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81 | } |
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82 | |
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83 | int ret = xattr_tool_main(argc, argv_utf8); |
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84 | |
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85 | for(int i=0;i<argc;i++) { |
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86 | free(argv_utf8[i]); |
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87 | } |
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88 | free(argv_utf8); |
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89 | |
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90 | return ret; |
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91 | } |
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92 | #else |
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93 | int main(int argc, char **argv) { |
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94 | return xattr_tool_main(argc, argv); |
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95 | } |
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96 | #endif |
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97 | |
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98 | int xattr_tool_main(int argc, char **argv) { |
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99 | if(argc < 3) { |
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100 | print_usage(argv[0]); |
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101 | return 1; |
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102 | } |
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103 | |
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104 | if(!strcmp(argv[1], "list") || !strcmp(argv[1], "ls")) { |
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105 | return attrtool_list(argc, argv, 0); |
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106 | } else if(!strcmp(argv[1], "listvalues") || !strcmp(argv[1], "lsv")) { |
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107 | return attrtool_list(argc, argv, 1); |
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108 | } else if(!strcmp(argv[1], "get")) { |
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109 | return attrtool_get(argc, argv, 0); |
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110 | } else if(!strcmp(argv[1], "set")) { |
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111 | return attrtool_set(argc, argv); |
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112 | } else if(!strcmp(argv[1], "rm") || !strcmp(argv[1], "remove")) { |
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113 | return attrtool_rm(argc, argv); |
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114 | } else { |
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115 | fprintf(stderr, "Unknown command\n"); |
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116 | print_usage(argv[0]); |
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117 | } |
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118 | |
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119 | return 1; |
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120 | } |
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121 | |
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122 | int attrtool_list(int argc, char **argv, int values) { |
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123 | ssize_t nelm = 0; |
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124 | char **list = xattr_list(argv[2], &nelm); |
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125 | if(nelm < 0) { |
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126 | perror("xattr_list"); |
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127 | return 3; |
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128 | } |
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129 | |
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130 | for(int i=0;i<nelm;i++) { |
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131 | char *attr = list[i]; |
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132 | if(values) { |
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133 | ssize_t valuelen = 0; |
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134 | char *value = xattr_get(argv[2], attr, &valuelen); |
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135 | if(valuelen < 0) { |
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136 | printf("%s: #ERROR: %s\n", attr, strerror(errno)); |
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137 | } else { |
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138 | printf("%s: %.*s\n", attr, (int)valuelen, value); |
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139 | } |
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140 | |
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141 | if(value) { |
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142 | free(value); |
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143 | } |
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144 | } else { |
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145 | printf("%s\n", attr); |
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146 | } |
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147 | |
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148 | free(list[i]); |
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149 | } |
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150 | if(list) { |
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151 | free(list); |
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152 | } |
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153 | |
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154 | return 0; |
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155 | } |
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156 | |
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157 | int attrtool_get(int argc, char **argv, int raw) { |
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158 | if(argc < 4) { |
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159 | fprintf(stderr, "Too few arguments\n"); |
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160 | print_usage(argv[1]); |
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161 | return 1; |
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162 | } |
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163 | |
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164 | char *file = argv[2]; |
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165 | char *attr = argv[3]; |
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166 | int ret = 0; |
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167 | |
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168 | ssize_t valuelen = 0; |
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169 | char *value = xattr_get(file, attr, &valuelen); |
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170 | if(value) { |
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171 | if(raw) { |
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172 | fwrite(value, 1, valuelen, stdout); |
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173 | } else { |
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174 | printf("%.*s\n", (int)valuelen, value); |
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175 | } |
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176 | free(value); |
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177 | } else { |
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178 | perror("xattr_get"); |
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179 | ret = 3; |
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180 | } |
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181 | |
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182 | return ret; |
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183 | } |
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184 | |
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185 | int attrtool_set(int argc, char **argv) { |
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186 | if(argc < 4) { |
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187 | fprintf(stderr, "Too few arguments\n"); |
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188 | print_usage(argv[1]); |
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189 | return 1; |
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190 | } |
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191 | |
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192 | size_t len = strlen(argv[4]); |
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193 | char *file = argv[2]; |
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194 | char *attr = argv[3]; |
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195 | char *value = argv[4]; |
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196 | int ret = 0; |
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197 | |
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198 | if(xattr_set(file, attr, value, len)) { |
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199 | perror("xattr_set"); |
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200 | ret = 3; |
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201 | } |
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202 | |
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203 | return ret; |
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204 | } |
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205 | |
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206 | int attrtool_rm(int argc, char **argv) { |
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207 | if(argc < 4) { |
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208 | fprintf(stderr, "Too few arguments\n"); |
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209 | print_usage(argv[1]); |
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210 | return 1; |
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211 | } |
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212 | |
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213 | char *file = argv[2]; |
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214 | char *attr = argv[3]; |
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215 | int ret = 0; |
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216 | |
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217 | if(xattr_remove(file, attr)) { |
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218 | perror("xattr_remove"); |
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219 | ret = 1; |
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220 | } |
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221 | |
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222 | return ret; |
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223 | } |