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1 #include <stdio.h>
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2 #include <string.h>
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3 #include <ctype.h>
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4 #include <errno.h>
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5 #include <alloca.h>
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6 #include <unistd.h>
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7 #include <dirent.h>
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8 #include "fs.h"
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9
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10 static char *clean_path(char *path);
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11 static char *filename(char *path);
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12
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13 FSNode::FSNode()
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14 {
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15 init();
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16 }
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17
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18 FSNode::~FSNode()
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19 {
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20 destroy();
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21 }
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22
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23 void FSNode::init()
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24 {
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25 path = name = 0;
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26 parent = 0;
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27 expanded = false;
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28 uid = gid = mode = 0;
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29 }
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30
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31 void FSNode::destroy()
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32 {
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33 delete [] path;
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34 children.clear();
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35 init();
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36 }
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37
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38 void FSNode::destroy_tree()
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39 {
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40 for(size_t i=0; i<children.size(); i++) {
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41 children[i]->destroy_tree();
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nuclear@1
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42 delete children[i];
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43 }
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44 destroy();
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45 }
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46
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47 void FSNode::set_path(const char *path)
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48 {
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nuclear@1
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49 delete [] this->path;
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50
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51 char *buf = new char[strlen(path) + 1];
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nuclear@1
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52 strcpy(buf, path);
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53
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54 char *tmp = clean_path(buf);
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nuclear@1
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55 if(tmp == buf) {
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56 this->path = tmp;
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nuclear@1
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57 } else {
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58 this->path = new char[strlen(tmp) + 1];
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nuclear@1
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59 strcpy(this->path, tmp);
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nuclear@1
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60 delete [] buf;
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61 }
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62
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63 name = filename(this->path);
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64 }
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65
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66 void FSNode::set_name(const char *name)
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67 {
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68 delete [] path;
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69
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70 if(parent) {
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71 char *path = new char[strlen(name) + strlen(parent->path) + 2];
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72 sprintf(path, "%s/%s", parent->path, name);
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73 set_path(path);
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nuclear@1
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74 } else {
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75 path = this->name = new char[strlen(name) + 1];
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76 strcpy(path, name);
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77 }
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78 }
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79
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80 #if 0
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nuclear@1
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81 FSDir *create_fsdir(const char *path)
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nuclear@1
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82 {
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83 char *pathbuf;
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84
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85 FSDir *node = new FSDir;
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86 node->name = std::string(filename(path));
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87
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88 DIR *dir = opendir(path);
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89 if(!dir) {
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90 fprintf(stderr, "failed to open dir: %s: %s\n", path, strerror(errno));
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91 return 0;
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92 }
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93
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94 pathbuf = (char*)alloca(strlen(path) + NAME_MAX + 2);
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95
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96 struct dirent *ent;
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97 while((ent = readdir(dir))) {
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98 sprintf(pathbuf, "%s/%s", path, ent->d_ent);
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99
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100 struct stat st;
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101 if(stat(pathbuf, &st) == -1) {
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102 fprintf(stderr, "failed to stat: %s: %s\n", pathbuf, strerror(errno));
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103 continue;
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104 }
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105
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106 if(S_ISDIR(st.st_type)) {
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107 FSDir *subdir = new FSDir;
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108 subdir->name = std::string(ent->d_ent);
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109 add_subdir(node, subdir);
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110 } else {
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111 FSFile *file = new FSFile;
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112 file->name = std::string(ent->d_ent);
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113 file->parent = node;
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114 }
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115 }
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116 }
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117 #endif
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118
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119 static char *clean_path(char *path)
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120 {
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121 while(*path && isspace(*path)) {
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122 path++;
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123 }
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124
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125 char *end = path + strlen(path) - 1;
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126 while(end >= path && isspace(*end)) {
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127 *end-- = 0;
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128 }
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129
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130 char *ptr = path - 1;
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131 while(*++ptr) {
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132 if(*ptr == '\\') {
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133 *ptr = '/';
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134 }
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135 }
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136 return path;
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137 }
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138
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139 static char *filename(char *path)
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140 {
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141 char *ptr = strrchr(path, '/');
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142 if(ptr) {
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143 return ptr + 1;
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144 }
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145 return path;
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146 }
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