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1 | daniel-mar | 1 | #include "stdafx.h" |
2 | #pragma hdrstop |
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3 | #include "ZipOp.h" |
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4 | #include "dz_errs.h" |
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5 | |||
6 | #undef _DZ_FILE_ |
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7 | #define _DZ_FILE_ DZ_ZIPWIN32_CPP |
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8 | |||
9 | /* Win32Zip.c |
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10 | * Copyright (C) 1990-1996 Mark Adler, Richard B. Wales, Jean-loup Gailly, |
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11 | * Kai Uwe Rommel, Onno van der Linden and Igor Mandrichenko. |
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12 | * This version modified by Chris Vleghert and Eric Engler for BCB/Delphi Zip. |
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13 | ** distributed under LGPL license ** see license.txt for details |
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14 | |||
15 | Copyright (c) 1990-2007 Info-ZIP. All rights reserved. |
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16 | |||
17 | See the accompanying file LICENSE, version 2007-Mar-4 or later |
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18 | (the contents of which are also included in zip.h) for terms of use. |
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19 | If, for some reason, all these files are missing, the Info-ZIP license |
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20 | also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html |
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21 | |||
22 | parts Copyright (C) 1997 Mike White, Eric W. Engler |
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23 | ************************************************************************ |
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24 | Copyright (C) 2009, 2010 by Russell J. Peters, Roger Aelbrecht |
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25 | |||
26 | This file is part of TZipMaster Version 1.9. |
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27 | |||
28 | TZipMaster is free software: you can redistribute it and/or modify |
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29 | it under the terms of the GNU Lesser General Public License as published by |
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30 | the Free Software Foundation, either version 3 of the License, or |
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31 | (at your option) any later version. |
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32 | |||
33 | TZipMaster is distributed in the hope that it will be useful, |
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34 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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35 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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36 | GNU Lesser General Public License for more details. |
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37 | |||
38 | You should have received a copy of the GNU Lesser General Public License |
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39 | along with TZipMaster. If not, see <http://www.gnu.org/licenses/>. |
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40 | |||
41 | contact: problems@delphizip.org (include ZipMaster in the subject). |
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42 | updates: http://www.delphizip.org |
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43 | DelphiZip maillist subscribe at http://www.freelists.org/list/delphizip |
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44 | ************************************************************************/ |
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45 | |||
46 | #include <direct.h> // for rmdir() |
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47 | #include <time.h> |
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48 | #include <io.h> |
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49 | #include <ctype.h> |
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50 | #include <sys\stat.h> |
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51 | #ifndef __BORLANDC__ |
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52 | #define stati64 _stati64 |
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53 | #endif |
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54 | |||
55 | const char *GetLongPathEA(void); |
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56 | |||
57 | #define PATH_END BSLASH //'\\' // SLASH |
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58 | #define HIDD_SYS_BITS (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM) |
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59 | |||
60 | class ZDir |
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61 | { |
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62 | WIN32_FIND_DATA fdata; |
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63 | bool ffirst; |
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64 | bool fdone; |
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65 | bool hidden; |
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66 | bool archiveOnly; |
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67 | ZipOp *Owner; |
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68 | HANDLE d_hFindFile; |
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69 | ZDir(); |
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70 | ZDir(const ZDir&); |
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71 | ZDir& operator=(const ZDir&); |
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72 | DWORD __fastcall GetAttrs() const; |
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73 | DZStrW __fastcall GetFilename() const; |
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74 | __int64 __fastcall GetSize() const; |
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75 | |||
76 | protected: |
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77 | bool __fastcall next(void); |
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78 | |||
79 | public: |
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80 | ZDir(ZipOp* theOwner, const DZStrW& path); |
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81 | ~ZDir(void); |
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82 | bool __fastcall Read(); |
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83 | __property DWORD Attrs = {read = GetAttrs}; |
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84 | __property DZStrW Filename = {read = GetFilename}; |
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85 | __property bool Done = {read = fdone}; |
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86 | __property __int64 size = {read = GetSize}; |
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87 | }; |
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88 | |||
89 | ZDir::ZDir(ZipOp* theOwner, const DZStrW& path) |
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90 | { |
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91 | Owner = theOwner; |
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92 | fdone = true; |
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93 | hidden = Owner->fhidden_files; |
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94 | archiveOnly = Owner->fArchiveFiles; |
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95 | |||
96 | DZStrW tmp; |
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97 | if (!Is_DrvEx(path)) |
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98 | tmp = Owner->CurBase->Base; |
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99 | |||
100 | tmp += path; |
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101 | if (tmp.LastChar() != BSLASH) |
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102 | tmp += BSLASH; |
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103 | |||
104 | tmp += _T("*.*"); // "*.*" MS-DOS match-all spec |
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105 | d_hFindFile = FindFirstFile(tmp, &fdata); |
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106 | fdone = d_hFindFile == INVALID_HANDLE_VALUE; |
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107 | } |
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108 | |||
109 | ZDir::~ZDir(void) |
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110 | { |
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111 | if (d_hFindFile != INVALID_HANDLE_VALUE) |
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112 | FindClose(d_hFindFile); |
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113 | } |
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114 | |||
115 | bool __fastcall ZDir::next(void) |
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116 | { |
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117 | if (Done) |
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118 | return false; |
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119 | |||
120 | if (ffirst) |
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121 | { |
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122 | ffirst = false; |
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123 | return true; |
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124 | } |
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125 | |||
126 | if (!FindNextFile(d_hFindFile, &fdata)) |
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127 | fdone = true; |
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128 | |||
129 | return !Done; |
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130 | } |
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131 | |||
132 | DWORD __fastcall ZDir::GetAttrs() const |
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133 | { |
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134 | if (Done) |
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135 | return 0; |
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136 | |||
137 | return fdata.dwFileAttributes & 0xFF; // ignore rest |
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138 | } |
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139 | |||
140 | DZStrW __fastcall ZDir::GetFilename() const |
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141 | { |
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142 | if (Done) |
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143 | return DZStrW(_T("")); |
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144 | |||
145 | return DZStrW(fdata.cFileName); |
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146 | } |
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147 | |||
148 | __int64 __fastcall ZDir::GetSize() const |
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149 | { |
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150 | if (Done) |
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151 | return 0; |
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152 | |||
153 | __int64 x = fdata.nFileSizeHigh; |
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154 | x <<= 32; |
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155 | return x + fdata.nFileSizeLow; |
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156 | } |
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157 | |||
158 | |||
159 | bool __fastcall ZDir::Read(void) |
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160 | { |
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161 | if (Done) |
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162 | return false; |
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163 | |||
164 | unsigned cnt = 0; |
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165 | DWORD attrs; |
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166 | |||
167 | // Loop to read all dir entries, until next normal entry is found |
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168 | do |
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169 | { |
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170 | if (!next()) |
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171 | break; |
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172 | |||
173 | if ((++cnt & 0x1F) == 0) // added 1.71.00 |
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174 | { |
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175 | // tickle and check cancel |
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176 | if (Owner->CB->UserCB(zacTick) < CALLBACK_IGNORED) |
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177 | return false; |
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178 | } |
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179 | attrs = Attrs; |
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180 | } |
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181 | // Loop to read all dir entries, until next normal entry is found |
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182 | while ((!hidden && (attrs & HIDD_SYS_BITS)) |
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183 | || (archiveOnly && !(attrs & FILE_ATTRIBUTE_DIRECTORY) |
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184 | && !(attrs & FILE_ATTRIBUTE_ARCHIVE))); |
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185 | return !Done; |
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186 | } |
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187 | |||
188 | |||
189 | // If not in exclude mode, expand the pattern based on the contents of the |
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190 | // file system. This function is used while gathering filenames to be added |
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191 | // or updated w :: Path/pattern to match. Possible return values: ZEN_MISS, |
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192 | // DZ_ERR_GOOD, ZEN_ABORT, ZEN_MEM or ZEN_PARMS. |
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193 | int ZipOp::Wild(const DZStrW &w) |
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194 | { |
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195 | int WError; // Result of Wild() |
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196 | int r; // Result / temp var. |
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197 | bool StopRecurs = false; // No recursion if filespec is file. |
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198 | |||
199 | if (Verbose < 0) |
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200 | Notify(ITRACE, _T("in Wild of win32zip.c, pattern=%s recurse=%d"), w.c_str(), |
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201 | frecurse); |
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202 | |||
203 | // diag(fewemsg, pG); |
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204 | // "zip -$ foo a:" can be used to force a drive name once. // v1.6017 |
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205 | if (fvolume_label == 1) |
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206 | { |
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207 | fvolume_label = 2; |
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208 | flabel = getVolumeLabel(w, &flabel_time, &flabel_mode, &flabel_utim); |
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209 | |||
210 | // 1.78.4.1 RP - reject empty label |
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211 | if (!flabel.IsEmpty()) |
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212 | (void)newname(flabel, 0); |
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213 | |||
214 | if (Is_Drv(w) == 1) |
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215 | return DZ_ERR_GOOD; |
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216 | } |
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217 | |||
218 | // Allocate and copy pattern |
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219 | // Separate path and name into p and q |
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220 | // We have '\' or '\name' or 'path1\path2\name2' or 'C:\path\name' but NOT |
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221 | // 'C:\name' |
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222 | DZStrW path(w); |
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223 | DZStrW name; |
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224 | DZStrW cdir; |
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225 | int cpos = w.ReverseFind(BSLASH); |
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226 | if (cpos >= 0 && (cpos > 0 && w[cpos - 1] != _T(':'))) |
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227 | { |
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228 | path = w.Left(cpos); // before sep |
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229 | if (path.IsEmpty()) |
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230 | cdir = _T("\\."); |
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231 | name = w.Mid(cpos + 1); |
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232 | } |
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233 | else |
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234 | { |
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235 | cpos = w.ReverseFind(_T(':')); |
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236 | if (cpos > 0) |
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237 | { |
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238 | // We have 'C:' or 'C:\' or 'C:\name' |
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239 | if ((cpos + 1) < (int) w.length() && w[cpos + 1] == BSLASH) |
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240 | cpos++; |
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241 | |||
242 | path = w.Left(cpos + 1); |
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243 | name = w.Mid(cpos + 1); |
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244 | path += _T('.'); |
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245 | cdir = path + _T(':'); |
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246 | } |
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247 | else |
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248 | if (frecurse && (!w.Compare(_T(".")) || !w.Compare(_T("..")))) |
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249 | { |
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250 | // current or parent directory |
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251 | // Get "zip -r foo ." to work. Allow the dubious "zip -r foo .." but |
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252 | // reject "zip -r -m foo ..". "dispose" means wipe out source path. |
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253 | if (fdispose && !w.Compare(_T(".."))) |
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254 | DZException(DZ_ERM_BAD_OPTIONS); |
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255 | |||
256 | name = _T("*.*"); |
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257 | } |
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258 | else |
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259 | { |
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260 | // no path or device |
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261 | name = w; |
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262 | cdir = _T("."); |
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263 | path = cdir; |
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264 | } |
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265 | |||
266 | } |
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267 | |||
268 | if (frecurse && name.IsEmpty()) |
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269 | name = _T("*.*"); |
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270 | |||
271 | // take out a possibly redundant dir name of "." |
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272 | DZStrW tmp = path.Right(2); |
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273 | |||
274 | if (!tmp.Compare(_T(":.")) || !tmp.Compare(_T("\\."))) |
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275 | path = path.Left(path.length() - 1); |
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276 | |||
277 | // Only filename (not the path) can have special matching characters |
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278 | if (IsWild(path)) |
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279 | { |
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280 | diag(_T("path has illegal chars")); |
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281 | return DZ_ERM_INVAL_NAME; |
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282 | } |
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283 | |||
284 | if (!IsWild(name)) |
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285 | { |
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286 | // Speed up checking if file exits in case there are no wildcards |
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287 | struct stati64 s; // and no recursion and no archiving v1.6016 |
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288 | |||
289 | if (!frecurse && !fArchiveFiles) |
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290 | { |
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291 | if (!ZStat(GetFullPath(w), &s)) // file exists ? |
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292 | return procname(w, false); |
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293 | |||
294 | return DZ_ERM_MISS; // woops, no wildcards where is the file! |
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295 | } |
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296 | } |
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297 | |||
298 | // Now that we have a dir spec, along with an fspec, we'll step in the dir |
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299 | // specified to see if there's any matches against the fspec. |
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300 | WError = DZ_ERM_MISS; //ZEN_MISS02; |
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301 | |||
302 | ZDir dir(this, path); |
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303 | |||
304 | if (path[0] != _T('.') && path.LastChar() != BSLASH) |
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305 | path += BSLASH; |
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306 | |||
307 | if (!dir.Done) |
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308 | { |
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309 | while (dir.Read()) |
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310 | { |
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311 | if (Abort_Flag) |
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312 | Fatal(DZ_ERM_ABORT, 0); |
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313 | |||
314 | DZStrW n = dir.Filename; |
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315 | |||
316 | // if e is NOT '.' or '..', and is a dir or match fspec. |
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317 | if (!n.Compare(_T(".")) || !n.Compare(_T(".."))) |
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318 | continue; |
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319 | |||
320 | if (dir.Attrs & FILE_ATTRIBUTE_DIRECTORY) |
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321 | { |
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322 | // We do not save dirs or go into dirs if norecursefiles==1 and we |
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323 | // have a file without * or ? specs. |
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324 | if (!StopRecurs && (fdirnames || frecurse)) |
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325 | { |
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326 | if (!path.IsEmpty() && path[0] == _T('.')) |
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327 | path.Empty(); |
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328 | |||
329 | if (!path.IsEmpty()) |
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330 | { |
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331 | if (path.LastChar() != BSLASH) |
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332 | path += BSLASH; |
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333 | |||
334 | n = path + n; |
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335 | } |
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336 | |||
337 | if (fdirnames) |
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338 | { |
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339 | // Save directory names also. |
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340 | r = procname(n, false); |
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341 | |||
342 | if (ZEN_Rank(r) > ZEN_Rank(WError)) |
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343 | WError = r; |
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344 | |||
345 | if (DZ_ERR(r) == DZ_ERR_INVAL_NAME) |
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346 | continue; // ignore invalid name |
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347 | |||
348 | if (ZEN_Rank(r) > 0) |
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349 | break; |
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350 | } |
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351 | |||
352 | if (frecurse) |
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353 | { |
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354 | // Recursively go into dir and check for other pattern matches. |
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355 | if (n.LastChar() != BSLASH) |
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356 | n += BSLASH; |
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357 | |||
358 | n += name; // Add the original pattern. |
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359 | |||
360 | r = Wild(n); |
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361 | |||
362 | // We keep a DZ_ERR_GOOD even when DZ_ERR_MISS occurs. |
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363 | if (ZEN_Rank(r) > ZEN_Rank(WError)) |
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364 | WError = r; |
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365 | |||
366 | if (DZ_ERR(r) == DZ_ERR_INVAL_NAME) |
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367 | continue; // ignore invalid name |
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368 | |||
369 | if (ZEN_Rank(r) > 0) |
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370 | break; // An error, stop processing. |
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371 | } |
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372 | } |
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373 | } |
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374 | else // not a directory |
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375 | if (ZMatch(name, n)) |
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376 | { |
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377 | if (!path.Compare(_T("."))) |
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378 | r = procname(n, false); |
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379 | else |
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380 | { |
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381 | n = path + n; |
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382 | r = procname(n, false); |
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383 | } |
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384 | |||
385 | if (ZEN_Rank(r) > ZEN_Rank(WError)) |
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386 | WError = r; |
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387 | |||
388 | if (DZ_ERR(r) == DZ_ERR_INVAL_NAME) |
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389 | continue; // ignore invalid name |
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390 | |||
391 | if (ZEN_Rank(r) > 0) |
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392 | break; |
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393 | } |
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394 | } // end while |
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395 | } |
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396 | else |
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397 | diag(_T("can't open dir")); |
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398 | |||
399 | return WError; |
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400 | } |
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401 | |||
402 | // Process a name or wildcard expression to operate on (or exclude). We will |
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403 | // only arrive here if we do a Freshen or Delete. Return an error code in the |
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404 | // ZEN_ class. DZ_ERR_GOOD, ZEN_ABORT, ZEN_MISS03, ZEN_MISS04, ZEN_MISS05, |
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405 | // ZEN_MEM22, ZEN_MEM23 ArgName :: Name to process. |
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406 | int ZipOp::procname(const DZStrW &ArgName, bool RecurseDir) |
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407 | { |
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408 | int m; // matched flag |
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409 | int pnError; // ProcName error |
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410 | |||
411 | struct stati64 StatRes; // result of stat() |
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412 | ZipItem *z; // steps through zfiles list |
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413 | |||
414 | if (Verbose < 0) |
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415 | Notify(ITRACE, _T("in procname, name=%s recurse=%d"), ArgName.c_str(), |
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416 | RecurseDir); |
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417 | |||
418 | m = 1; // set dflt for success indicator |
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419 | |||
420 | ///* (0=success) |
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421 | |||
422 | if (Abort_Flag) |
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423 | Fatal(DZ_ERM_ABORT, 0); |
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424 | |||
425 | if (ArgName.IsEmpty()) |
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426 | return DZ_ERM_MISS; |
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427 | |||
428 | // LSSTAT returns 0 if it's arg is any kind of file (even a dir). |
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429 | // IsShExp returns true if a wildcard symbol is found, or NULL if none |
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430 | // were found -- IsShExp is in util.c |
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431 | if (IsWild(ArgName) || ZStat(GetFullPath(ArgName), &StatRes)) |
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432 | { |
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433 | // diag("not a file or dir - 'ArgName' must be a wildcard fspec"); |
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434 | // Upon finding a wildcard fspec, we need to mark entries in |
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435 | // the "zfiles" list that are included by the wildcard. |
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436 | // convert the "external" (native) filename to an internal |
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437 | // ZIP-archive-compatible filename. |
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438 | DZStrW p = ex2IntForm(ArgName, false); // shouldn't affect matching chars |
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439 | |||
440 | if (Verbose < 0) |
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441 | Notify(ITRACE, _T("in procname, searching %s"), p.c_str()); |
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442 | |||
443 | // does any file already in the archive match this spec? |
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444 | // Note that we need the pathname and filename together for this |
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445 | |||
446 | for (z = fzfiles; z; z = z->nxt) |
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447 | { |
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448 | if (z->mark) |
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449 | { |
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450 | #ifdef ZDEBUG |
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451 | if (Verbose < 0) |
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452 | Notify(ITRACE, _T("%s already marked"), z->IName.c_str()); |
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453 | #endif |
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454 | continue; // only mark once |
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455 | } |
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456 | |||
457 | // z->name = 'external' version of zname for unmatched names |
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458 | if (ZMatch(p, z->IName)) |
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459 | { |
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460 | // name is in archive - mark it for updating |
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461 | z->mark = fpcount ? !ZMatch(fExcludes, z->IName) : 1; |
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462 | if (Verbose) |
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463 | Notify(0, _T("%scluding %s"), z->mark ? _T("in") : _T("ex"), z->IName.c_str()); |
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464 | |||
465 | if (z->mark) |
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466 | { |
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467 | if (Is_Drv(ArgName) > 0 && ArgName[2] == BSLASH) |
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468 | { |
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469 | z->XName = ArgName.Left(3) + z->IName; |
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470 | } |
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471 | |||
472 | // RA password added |
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473 | z->Passw = fkey; |
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474 | z->Base = CurBase->Base; |
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475 | z->options.keepver = fversion ? 1 : 0; |
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476 | |||
477 | m = 0; // we had at least one file in the archive that we marked |
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478 | } |
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479 | |||
480 | // if not wild it can only match once |
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481 | if (!IsWild(ArgName)) |
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482 | break; |
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483 | } |
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484 | } |
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485 | |||
486 | // returns 1 if no "zfiles" entries were marked, 0 if at least one entry |
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487 | // was marked |
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488 | if (m) |
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489 | { |
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490 | // diag("returning ZEN_MISS04 from procname"); |
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491 | return DZ_ERM_MISS; |
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492 | } |
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493 | |||
494 | // diag("returning DZ_ERR_GOOD from procname"); |
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495 | return DZ_ERR_GOOD; |
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496 | } // end of "if (LSSTAT..." |
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497 | |||
498 | // Existing and good filename or directory-- add the name if it's a file, |
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499 | // recurse if directory |
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500 | // diag("good entry to add, or a dir to go into"); |
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501 | // check the status returned by LSSTAT earlier to see if 'ArgName' is a dir |
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502 | pnError = DZ_ERR_GOOD; |
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503 | |||
504 | if (!(StatRes.st_mode & S_IFDIR)) |
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505 | { |
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506 | // it's not a directory - add file to found list |
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507 | if (Verbose) |
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508 | Notify(IVERBOSE, _T("Adding file %s to found list"), ArgName.c_str()); |
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509 | |||
510 | // newname (fileio.c) adds to found list. If error m!=0 on return |
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511 | if ((m = newname(ArgName, StatRes.st_size)) != DZ_ERR_GOOD) |
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512 | { |
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513 | if (Verbose < 0) |
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514 | Notify(ITRACE, _T("returning %d from procname after newname call"), m); |
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515 | |||
516 | return m; |
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517 | } |
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518 | } |
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519 | else |
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520 | { |
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521 | // It is a directory - Add trailing / to the directory name |
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522 | if (Verbose < 0) |
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523 | Notify(ITRACE, _T("procname dir = %s"), ArgName.c_str()); |
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524 | |||
525 | // diag("Spot 2, directory found"); |
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526 | DZStrW p; |
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527 | |||
528 | if (ArgName.Compare(_T(".")) && ArgName.Compare(_T("\\."))) |
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529 | { |
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530 | if (Verbose) |
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531 | Notify(IVERBOSE, _T("Adding folder %s to found list"), ArgName.c_str()); |
||
532 | p = ArgName; |
||
533 | if (p.LastChar() != BSLASH) |
||
534 | p += BSLASH; |
||
535 | |||
536 | // newname (fileio.c) adds to found list. If error m != 0 on return |
||
537 | if (fdirnames && (m = newname(p, 0)) != DZ_ERR_GOOD) |
||
538 | { |
||
539 | if (Verbose < 0) |
||
540 | Notify(ITRACE, _T("returning %d from procname after 2nd newname call"), |
||
541 | DZ_ERR(m)); |
||
542 | |||
543 | return m; |
||
544 | } |
||
545 | } |
||
546 | |||
547 | // recurse into directory |
||
548 | // p = empty or dirname |
||
549 | // diag("spot 4: optional recurse into dir"); |
||
550 | if (RecurseDir) |
||
551 | { |
||
552 | ZDir dir(this, ArgName); |
||
553 | while (dir.Read()) |
||
554 | { |
||
555 | if (Abort_Flag) |
||
556 | Fatal(DZ_ERM_ABORT, 0); |
||
557 | DZStrW a(p); |
||
558 | |||
559 | a += dir.Filename; |
||
560 | |||
561 | // form the new dir's pathname followed by the fname just read |
||
562 | // (we need to send in the dir and fname, or it won't be detected |
||
563 | // as a valid file by LSSTAT) |
||
564 | |||
565 | // diag("DOING RECURSIVE CALL TO PROCNAME FROM PROCNAME"); |
||
566 | if ((m = procname(a, RecurseDir)) != DZ_ERR_GOOD) |
||
567 | { |
||
568 | // recursive call failed; return code not DZ_ERR_GOOD |
||
569 | // unknown error; RCV error handling changed |
||
570 | pnError = m; |
||
571 | break; |
||
572 | } |
||
573 | } // end while |
||
574 | |||
575 | } |
||
576 | } // (StatRes.st_mode & S_IFDIR) == 0) |
||
577 | |||
578 | // diag("returning ZEN_ class from procname"); |
||
579 | return pnError; |
||
580 | } |
||
581 | |||
582 | #if 0 |
||
583 | // ** moved to DzOp |
||
584 | // Convert the external file name to an "internal" file name form, |
||
585 | // returning the malloc'ed string, or NULL if not enough memory. |
||
586 | // I.e. Strip the drive if present, strip the path |
||
587 | //if we |
||
588 | // don't want one and change the name to 8.3 if needed. Not implemented, but |
||
589 | // also 'put in' change the short path to a long path. |
||
590 | DZStrW ZipOp::ex2IntForm(const DZStrW &exname, bool ignore) |
||
591 | { |
||
592 | bool pathput; |
||
593 | |||
594 | if (ignore) |
||
595 | { |
||
596 | pathput = true; |
||
597 | } |
||
598 | else |
||
599 | { |
||
600 | pathput = fpathput; |
||
601 | } |
||
602 | |||
603 | DZStrW XName(exname); |
||
604 | |||
605 | if (XName.IsEmpty()) |
||
606 | return XName; |
||
607 | |||
608 | DZStrW nname = StrExtSep(XName); |
||
609 | int p = DriveLen(nname); |
||
610 | |||
611 | int len = nname.length(); |
||
612 | // Strip leading "\" to convert an absolute path into a relative path |
||
613 | |||
614 | while (p < len && nname[p] == BSLASH) |
||
615 | p++; |
||
616 | |||
617 | // Strip leading "./" as well as drive letter v1.6017 |
||
618 | while ((p + 2) < len && (nname[p] == _T('.') && nname[p + 1] == BSLASH)) |
||
619 | p += 2; |
||
620 | |||
621 | // This is where the dirname gets stripped if user doesn't want it |
||
622 | if (!pathput) |
||
623 | { |
||
624 | int t = nname.ReverseFind(BSLASH); |
||
625 | |||
626 | if (t >= p) |
||
627 | p = ++t; |
||
628 | } |
||
629 | |||
630 | if (p) |
||
631 | { |
||
632 | nname = nname.Mid(p); |
||
633 | } |
||
634 | |||
635 | if (nname.length() > MAX_PATH) |
||
636 | { |
||
637 | int t = nname.length(); |
||
638 | XName = nname.Left(MAX_PATH); |
||
639 | |||
640 | if (Verbose) // < 0) |
||
641 | Notify(IWARNING, _T("File name %s is too long [%d]. Truncated to %s"), |
||
642 | nname.c_str(), t, XName.c_str()); |
||
643 | |||
644 | nname = XName; |
||
645 | } |
||
646 | |||
647 | return nname; |
||
648 | } |
||
649 | #endif |
||
650 | |||
651 | // Set last updated and accessed time of file f to the DOS time d. This is |
||
652 | // called by dllzip.c to set date/time of the zipfile. RCV Removed __TURBOC__ |
||
653 | // version. f :: name of file to change. d :: dos-style time to change it to. |
||
654 | typedef struct DosDate |
||
655 | { |
||
656 | WORD lo; |
||
657 | WORD hi; |
||
658 | }dosdate; |
||
659 | |||
660 | void stamp(const DZStrW& f, ulg d) |
||
661 | { |
||
662 | HANDLE fHandle; |
||
663 | FILETIME LocalFT, |
||
664 | FT; |
||
665 | |||
666 | fHandle = CreateFile(f, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, |
||
667 | FILE_ATTRIBUTE_ARCHIVE, NULL); |
||
668 | |||
669 | if (fHandle != INVALID_HANDLE_VALUE) |
||
670 | { |
||
671 | if (DosDateTimeToFileTime(((struct DosDate *) &d)->hi, |
||
672 | ((struct DosDate *) &d)->lo, &LocalFT) |
||
673 | && LocalFileTimeToFileTime(&LocalFT, &FT)) |
||
674 | SetFileTime(fHandle, NULL, NULL, &FT); |
||
675 | |||
676 | CloseHandle(fHandle); |
||
677 | } |
||
678 | } |
||
679 | |||
680 | /*********************************/ |
||
681 | /* Function NtfsFileTime2utime() */ |
||
682 | /*********************************/ |
||
683 | |||
684 | /* scale factor and offset for conversion time_t -> FILETIME */ |
||
685 | #define NT_QUANTA_PER_UNIX 10000000L |
||
686 | #define UNIX_TIME_ZERO_HI 0x019DB1DEUL |
||
687 | #define UNIX_TIME_ZERO_LO 0xD53E8000UL |
||
688 | |||
689 | // /* nonzero if `y' is a leap year, else zero */ |
||
690 | //#define leap(y) (((y)%4 == 0 && (y)%100 != 0) || (y)%400 == 0) |
||
691 | // /* number of leap years from 1970 to `y' (not including `y' itself) */ |
||
692 | //#define nleap(y) (((y)-1969)/4 - ((y)-1901)/100 + ((y)-1601)/400) |
||
693 | |||
694 | int NtfsFileTime2utime(const FILETIME *pft, time_t *ut) |
||
695 | { |
||
696 | unsigned __int64 NTtime; |
||
697 | |||
698 | NTtime = ((unsigned __int64)pft->dwLowDateTime + |
||
699 | ((unsigned __int64)pft->dwHighDateTime << 32)); |
||
700 | |||
701 | NTtime -= ((unsigned __int64)UNIX_TIME_ZERO_LO + |
||
702 | ((unsigned __int64)UNIX_TIME_ZERO_HI << 32)); |
||
703 | *ut = (time_t)(NTtime / (unsigned long)NT_QUANTA_PER_UNIX); |
||
704 | return TRUE; |
||
705 | } /* end function NtfsFileTime2utime() */ |
||
706 | |||
707 | |||
708 | // If file *f does not exist, return 0. Else, return the file's last |
||
709 | // modified date and time as an MSDOS date and time. The date and time is |
||
710 | // returned in a long with the date most significant to allow unsigned |
||
711 | // integer comparison of absolute times. Also, if a is not a NULL pointer, |
||
712 | // store the file attributes there, with the high two bytes being the Unix |
||
713 | // attributes, and the low byte being a mapping of that to DOS attributes. |
||
714 | // If n is not NULL, store the file size there. |
||
715 | // If f is "-", use standard input as the file. |
||
716 | // If f is a device, return a file size of -1 |
||
717 | // If f is a Volume Name, return a file size of -2 |
||
718 | // If t is not NULL, the file's access and modification time are stored there |
||
719 | // as UNIX time_t values. |
||
720 | // f :: Name of file to get info on. |
||
721 | // a :: Return value: file attributes. |
||
722 | // n :: Return value: file size. |
||
723 | // t :: Return value: access and modification time. |
||
724 | extern BOOL unixtofile(time_t tim, FILETIME *ftp); |
||
725 | |||
726 | ulg ZipFunc::zfiletime(const DZStrW& f, ulg *a, __int64 *n, ztimbuf *t) |
||
727 | { |
||
728 | WIN32_FIND_DATA ff; |
||
729 | HANDLE hfind; /* file handle */ |
||
730 | |||
731 | if (f == flabel) |
||
732 | { |
||
733 | if (a != NULL) |
||
734 | *a = flabel_mode; |
||
735 | |||
736 | if (n != NULL) |
||
737 | *n = ZFT_LABEL; // convention for a label name |
||
738 | |||
739 | if (t != NULL) |
||
740 | t->actime = t->modtime = flabel_utim; |
||
741 | |||
742 | return flabel_time; |
||
743 | } |
||
744 | |||
745 | int drv = Is_Drv(f); |
||
746 | |||
747 | if (drv < 0) |
||
748 | { |
||
749 | //stream |
||
750 | ZSData.BufP = 0; |
||
751 | ZSData.Number = (-drv) - 2; // stream number |
||
752 | ZSData.OpCode = zsaIdentify; |
||
753 | int ok = StreamCB() == CALLBACK_TRUE; |
||
754 | |||
755 | if (ok) |
||
756 | { |
||
757 | if (n) |
||
758 | *n = ZSData.ArgLL; |
||
759 | |||
760 | if (a != NULL) |
||
761 | { |
||
762 | DWORD dwAttr = ZSData.ArgA; |
||
763 | *a = (dwAttr & FILE_ATTRIBUTE_READONLY ? A_RONLY : 0) | |
||
764 | (dwAttr & FILE_ATTRIBUTE_HIDDEN ? A_HIDDEN : 0) | |
||
765 | (dwAttr & FILE_ATTRIBUTE_SYSTEM ? A_SYSTEM : 0) | |
||
766 | (dwAttr & FILE_ATTRIBUTE_DIRECTORY ? A_DIR : 0) | |
||
767 | (dwAttr & FILE_ATTRIBUTE_ARCHIVE ? A_ARCHIVE : 0); |
||
768 | } |
||
769 | return ZSData.ArgD; |
||
770 | } |
||
771 | |||
772 | return 0; |
||
773 | } |
||
774 | |||
775 | DZStrW fullname = drv ? f : GetFullPath(f); |
||
776 | |||
777 | // not all systems allow stat'ing a file with / appended, so remove it |
||
778 | if (fullname.LastChar() == BSLASH) |
||
779 | fullname = fullname.Left(fullname.length()-1); |
||
780 | |||
781 | // Accept about any kind of file including directories |
||
782 | if ((hfind = FindFirstFile(fullname, &ff)) == INVALID_HANDLE_VALUE) |
||
783 | { |
||
784 | if (Verbose < 0) |
||
785 | Notify(ITRACE, _T("Could not find %s"), fullname.c_str()); |
||
786 | |||
787 | return 0; // error in stat! |
||
788 | } |
||
789 | |||
790 | FindClose(hfind); |
||
791 | // found |
||
792 | if (n != NULL) |
||
793 | { |
||
794 | *n = ff.nFileSizeLow | ((__int64)ff.nFileSizeHigh << 32); |
||
795 | } |
||
796 | |||
797 | if (a != NULL) |
||
798 | { |
||
799 | DWORD dwAttr = ff.dwFileAttributes; |
||
800 | *a = (dwAttr & FILE_ATTRIBUTE_READONLY ? A_RONLY : 0) | |
||
801 | (dwAttr & FILE_ATTRIBUTE_HIDDEN ? A_HIDDEN : 0) | |
||
802 | (dwAttr & FILE_ATTRIBUTE_SYSTEM ? A_SYSTEM : 0) | |
||
803 | (dwAttr & FILE_ATTRIBUTE_DIRECTORY ? A_DIR : 0) | |
||
804 | (dwAttr & FILE_ATTRIBUTE_ARCHIVE ? A_ARCHIVE : 0); |
||
805 | } |
||
806 | |||
807 | if (t != NULL) |
||
808 | { |
||
809 | NtfsFileTime2utime(&ff.ftLastAccessTime, &t->actime); |
||
810 | NtfsFileTime2utime(&ff.ftLastWriteTime, &t->modtime); |
||
811 | } |
||
812 | |||
813 | return FileTime2DosTime(ff.ftLastWriteTime); |
||
814 | } |
||
815 | |||
816 | ulg FileTime2DosTime(_FILETIME ftime) |
||
817 | { |
||
818 | _FILETIME local; |
||
819 | WORD dt, tm; |
||
820 | |||
821 | if (FileTimeToLocalFileTime(&ftime, &local) && |
||
822 | FileTimeToDosDateTime(&local, &dt, &tm)) |
||
823 | return (dt << 16) | tm; |
||
824 | |||
825 | // Notify(0, "zip diagnostic: GetFileAttributes failed"); |
||
826 | return 0; |
||
827 | } |
||
828 | |||
829 | #define EAID 0x0009 |
||
830 | |||
831 | // NOTE: NTFS is handled by the HPFS code. FAT / HPFS detection. |
||
832 | int ZipOp::IsFileSystemOldFAT(const DZStrW &dir) |
||
833 | { |
||
834 | DWORD vfnsize; |
||
835 | DWORD vfsflags; |
||
836 | |||
837 | if (Verbose < 0) |
||
838 | Notify(ITRACE, _T("IsFileSyatemOldFAT called for %s"), dir.c_str()); |
||
839 | |||
840 | // We separate FAT and HPFS+other file systems here. I consider other |
||
841 | // systems to be similar to HPFS/NTFS, i.e. support for long file names and |
||
842 | // being case sensitive to some extent. |
||
843 | DZStrW fp = dir; |
||
844 | |||
845 | if (fp.IsEmpty() || Is_DrvEx(fp) <= 0) |
||
846 | { |
||
847 | fp = fRootDir; // use current root |
||
848 | |||
849 | if (fp.IsEmpty() || Is_Drv(fp) <= 0) |
||
850 | return false; // assume ntfs |
||
851 | } |
||
852 | |||
853 | int dt = Is_DrvEx(fp); |
||
854 | |||
855 | if (dt < 0) |
||
856 | return false; |
||
857 | |||
858 | if (dt == 1) |
||
859 | { |
||
860 | fp = fp.Left(1); |
||
861 | fp.ToUpper(); |
||
862 | TCHAR r = fp[0]; |
||
863 | |||
864 | if (r == fDrv[0]) |
||
865 | return fDrv[1] != 0; // use cached result |
||
866 | |||
867 | fp += _T(":\\"); |
||
868 | } |
||
869 | else |
||
870 | { |
||
871 | if (dt != 2) |
||
872 | return false; |
||
873 | |||
874 | // specify \\MyServer\MyShare as \\MyServer\MyShare\. |
||
875 | fp = fp.Left(DriveLen(fp)); |
||
876 | } |
||
877 | |||
878 | if (!GetVolumeInformation(fp, NULL, 0, NULL, &vfnsize, &vfsflags, NULL, 0)) |
||
879 | { |
||
880 | if (Verbose) |
||
881 | { |
||
882 | Notify(IVERBOSE, _T(" GetVolumeInformation failed for %s [%s]"), |
||
883 | fp.c_str(), SysMsg().c_str()); |
||
884 | } |
||
885 | |||
886 | return (false); // assume NTFS |
||
887 | } |
||
888 | |||
889 | if (Verbose) |
||
890 | Notify(IVERBOSE, _T("Max component size for %s = %d"), fp.c_str(), vfnsize); |
||
891 | |||
892 | if (_istascii(fp[0])) |
||
893 | { |
||
894 | fDrv[0] = fp[0]; |
||
895 | fDrv[1] = (char)(vfnsize <= 12 ? 1 : 0); |
||
896 | } |
||
897 | |||
898 | return vfnsize <= 12; |
||
899 | } |
||
900 | |||
901 | // access mode bits and time stamp. |
||
902 | int ZipOp::GetFileMode(const DZStrW& name) |
||
903 | { |
||
904 | DWORD dwAttr; |
||
905 | |||
906 | dwAttr = GetFileAttributes(GetFullPath(name)); // v1.6017 |
||
907 | |||
908 | if (dwAttr == 0xFFFFFFFF) |
||
909 | { |
||
910 | // RCV Changed: was ...= -1 |
||
911 | Notify(0, _T("zip diagnostic: GetFileAttributes failed")); |
||
912 | |||
913 | // DLLprintf ("zip diagnostic: GetFileAttributes failed\n"); |
||
914 | return (0x20); // the most likely, though why the error? security? |
||
915 | } |
||
916 | |||
917 | return |
||
918 | ( |
||
919 | (dwAttr & FILE_ATTRIBUTE_READONLY ? A_RONLY : 0) | |
||
920 | (dwAttr & FILE_ATTRIBUTE_HIDDEN ? A_HIDDEN : 0) | |
||
921 | (dwAttr & FILE_ATTRIBUTE_SYSTEM ? A_SYSTEM : 0) | |
||
922 | (dwAttr & FILE_ATTRIBUTE_DIRECTORY ? A_DIR : 0) | |
||
923 | (dwAttr & FILE_ATTRIBUTE_ARCHIVE ? A_ARCHIVE : 0) |
||
924 | ); |
||
925 | } |
||
926 | |||
927 | const char *GetLongPathEA(void) |
||
928 | { |
||
929 | return (NULL); // volunteers ? |
||
930 | } |
||
931 | |||
932 | // If a volume label exists for the given drive, return its name and pretend |
||
933 | // to set its time and mode. The returned name is global data. Drive = drive |
||
934 | // name: 'A' .. 'Z' or '\0' for current drive |
||
935 | DZStrW ZipOp::getVolumeLabel(const DZStrW &drv, ulg *vtime, ulg *vmode, time_t *vutim) |
||
936 | { |
||
937 | DZStrW Root(drv, 2); |
||
938 | ulg fnlen, |
||
939 | flags; |
||
940 | long OldMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX); |
||
941 | BOOL Result; |
||
942 | |||
943 | *vmode = A_ARCHIVE | A_LABEL; // this is what msdos returns |
||
944 | *vtime = dostime(1980, 1, 1, 0, 0, 0); // no true date info available |
||
945 | *vutim = dos2unixtime(*vtime); |
||
946 | |||
947 | DZStrW vol; |
||
948 | |||
949 | if (Is_Drv(drv) != 1) |
||
950 | Root.Empty(); |
||
951 | else |
||
952 | Root += BSLASH; |
||
953 | |||
954 | Result = GetVolumeInformation(Root, vol.GetBuffer(MAX_PATH), MAX_PATH - 1, |
||
955 | NULL, &fnlen, &flags, NULL, 0); |
||
956 | SetErrorMode(OldMode); |
||
957 | vol.ReleaseBuffer(); |
||
958 | |||
959 | if (!Result) |
||
960 | vol.Empty(); |
||
961 | |||
962 | return vol;//Result ? fvol : NULL; |
||
963 | } |
||
964 | |||
965 | |||
966 | |||
967 | |||
968 |