Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 1 | //===- llvm/System/Linux/Path.cpp - Linux Path Implementation ---*- C++ -*-===// |
| 2 | // |
Reid Spencer | cbad701 | 2004-09-11 04:59:30 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 4ee451d | 2007-12-29 20:36:04 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 7 | // |
| 8 | // Modified by Henrik Bach to comply with at least MinGW. |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 9 | // Ported to Win32 by Jeff Cohen. |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 10 | // |
Reid Spencer | cbad701 | 2004-09-11 04:59:30 +0000 | [diff] [blame] | 11 | //===----------------------------------------------------------------------===// |
| 12 | // |
| 13 | // This file provides the Win32 specific implementation of the Path class. |
| 14 | // |
| 15 | //===----------------------------------------------------------------------===// |
| 16 | |
| 17 | //===----------------------------------------------------------------------===// |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 18 | //=== WARNING: Implementation here must contain only generic Win32 code that |
| 19 | //=== is guaranteed to work on *all* Win32 variants. |
Reid Spencer | cbad701 | 2004-09-11 04:59:30 +0000 | [diff] [blame] | 20 | //===----------------------------------------------------------------------===// |
| 21 | |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 22 | #include "Win32.h" |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 23 | #include <malloc.h> |
Reid Spencer | cbad701 | 2004-09-11 04:59:30 +0000 | [diff] [blame] | 24 | |
Jeff Cohen | cb65255 | 2004-12-24 02:38:34 +0000 | [diff] [blame] | 25 | // We need to undo a macro defined in Windows.h, otherwise we won't compile: |
| 26 | #undef CopyFile |
Anton Korobeynikov | 64ddbe4 | 2007-12-22 14:26:49 +0000 | [diff] [blame] | 27 | #undef GetCurrentDirectory |
Jeff Cohen | cb65255 | 2004-12-24 02:38:34 +0000 | [diff] [blame] | 28 | |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 29 | // Windows happily accepts either forward or backward slashes, though any path |
| 30 | // returned by a Win32 API will have backward slashes. As LLVM code basically |
| 31 | // assumes forward slashes are used, backward slashs are converted where they |
| 32 | // can be introduced into a path. |
| 33 | // |
| 34 | // Another invariant is that a path ends with a slash if and only if the path |
| 35 | // is a root directory. Any other use of a trailing slash is stripped. Unlike |
| 36 | // in Unix, Windows has a rather complicated notion of a root path and this |
| 37 | // invariant helps simply the code. |
| 38 | |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 39 | static void FlipBackSlashes(std::string& s) { |
| 40 | for (size_t i = 0; i < s.size(); i++) |
| 41 | if (s[i] == '\\') |
| 42 | s[i] = '/'; |
| 43 | } |
| 44 | |
Reid Spencer | cbad701 | 2004-09-11 04:59:30 +0000 | [diff] [blame] | 45 | namespace llvm { |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 46 | namespace sys { |
Reid Spencer | cbad701 | 2004-09-11 04:59:30 +0000 | [diff] [blame] | 47 | |
Chris Lattner | e1b332a | 2008-02-27 06:17:10 +0000 | [diff] [blame] | 48 | extern const char sys::PathSeparator = ';'; |
| 49 | |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 50 | bool |
Reid Spencer | 07adb28 | 2004-11-05 22:15:36 +0000 | [diff] [blame] | 51 | Path::isValid() const { |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 52 | if (path.empty()) |
| 53 | return false; |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 54 | |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 55 | // If there is a colon, it must be the second character, preceded by a letter |
| 56 | // and followed by something. |
| 57 | size_t len = path.size(); |
| 58 | size_t pos = path.rfind(':',len); |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 59 | size_t rootslash = 0; |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 60 | if (pos != std::string::npos) { |
| 61 | if (pos != 1 || !isalpha(path[0]) || len < 3) |
| 62 | return false; |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 63 | rootslash = 2; |
| 64 | } |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 65 | |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 66 | // Look for a UNC path, and if found adjust our notion of the root slash. |
| 67 | if (len > 3 && path[0] == '/' && path[1] == '/') { |
| 68 | rootslash = path.find('/', 2); |
| 69 | if (rootslash == std::string::npos) |
| 70 | rootslash = 0; |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 71 | } |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 72 | |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 73 | // Check for illegal characters. |
| 74 | if (path.find_first_of("\\<>\"|\001\002\003\004\005\006\007\010\011\012" |
| 75 | "\013\014\015\016\017\020\021\022\023\024\025\026" |
| 76 | "\027\030\031\032\033\034\035\036\037") |
| 77 | != std::string::npos) |
| 78 | return false; |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 79 | |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 80 | // Remove trailing slash, unless it's a root slash. |
| 81 | if (len > rootslash+1 && path[len-1] == '/') |
| 82 | path.erase(--len); |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 83 | |
Jeff Cohen | 3bbbcc1 | 2005-01-14 04:09:39 +0000 | [diff] [blame] | 84 | // Check each component for legality. |
| 85 | for (pos = 0; pos < len; ++pos) { |
| 86 | // A component may not end in a space. |
| 87 | if (path[pos] == ' ') { |
| 88 | if (path[pos+1] == '/' || path[pos+1] == '\0') |
| 89 | return false; |
| 90 | } |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 91 | |
Jeff Cohen | 3bbbcc1 | 2005-01-14 04:09:39 +0000 | [diff] [blame] | 92 | // A component may not end in a period. |
| 93 | if (path[pos] == '.') { |
| 94 | if (path[pos+1] == '/' || path[pos+1] == '\0') { |
| 95 | // Unless it is the pseudo-directory "."... |
| 96 | if (pos == 0 || path[pos-1] == '/' || path[pos-1] == ':') |
| 97 | return true; |
| 98 | // or "..". |
| 99 | if (pos > 0 && path[pos-1] == '.') { |
| 100 | if (pos == 1 || path[pos-2] == '/' || path[pos-2] == ':') |
| 101 | return true; |
| 102 | } |
| 103 | return false; |
| 104 | } |
| 105 | } |
| 106 | } |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 107 | |
| 108 | return true; |
Reid Spencer | cbad701 | 2004-09-11 04:59:30 +0000 | [diff] [blame] | 109 | } |
| 110 | |
Reid Spencer | 69cce81 | 2007-03-29 16:43:20 +0000 | [diff] [blame] | 111 | bool |
| 112 | Path::isAbsolute() const { |
Jeff Cohen | 84892be | 2007-03-29 17:27:38 +0000 | [diff] [blame] | 113 | switch (path.length()) { |
| 114 | case 0: |
| 115 | return false; |
| 116 | case 1: |
| 117 | case 2: |
| 118 | return path[0] == '/'; |
| 119 | default: |
| 120 | return path[0] == '/' || (path[1] == ':' && path[2] == '/'); |
| 121 | } |
Reid Spencer | 69cce81 | 2007-03-29 16:43:20 +0000 | [diff] [blame] | 122 | } |
| 123 | |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 124 | static Path *TempDirectory = NULL; |
| 125 | |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 126 | Path |
Reid Spencer | cab0e43 | 2006-08-22 22:46:39 +0000 | [diff] [blame] | 127 | Path::GetTemporaryDirectory(std::string* ErrMsg) { |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 128 | if (TempDirectory) |
| 129 | return *TempDirectory; |
| 130 | |
| 131 | char pathname[MAX_PATH]; |
Reid Spencer | cab0e43 | 2006-08-22 22:46:39 +0000 | [diff] [blame] | 132 | if (!GetTempPath(MAX_PATH, pathname)) { |
| 133 | if (ErrMsg) |
| 134 | *ErrMsg = "Can't determine temporary directory"; |
| 135 | return Path(); |
| 136 | } |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 137 | |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 138 | Path result; |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 139 | result.set(pathname); |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 140 | |
| 141 | // Append a subdirectory passed on our process id so multiple LLVMs don't |
| 142 | // step on each other's toes. |
Jeff Cohen | d41b30d | 2006-11-05 19:31:28 +0000 | [diff] [blame] | 143 | #ifdef __MINGW32__ |
| 144 | // Mingw's Win32 header files are broken. |
Reid Spencer | ab4d9b0 | 2006-06-08 18:08:43 +0000 | [diff] [blame] | 145 | sprintf(pathname, "LLVM_%u", unsigned(GetCurrentProcessId())); |
Jeff Cohen | d41b30d | 2006-11-05 19:31:28 +0000 | [diff] [blame] | 146 | #else |
| 147 | sprintf(pathname, "LLVM_%u", GetCurrentProcessId()); |
| 148 | #endif |
Jeff Cohen | edb9d6b | 2005-07-08 02:48:42 +0000 | [diff] [blame] | 149 | result.appendComponent(pathname); |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 150 | |
| 151 | // If there's a directory left over from a previous LLVM execution that |
| 152 | // happened to have the same process id, get rid of it. |
Reid Spencer | a229c5c | 2005-07-08 03:08:58 +0000 | [diff] [blame] | 153 | result.eraseFromDisk(true); |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 154 | |
| 155 | // And finally (re-)create the empty directory. |
Reid Spencer | a229c5c | 2005-07-08 03:08:58 +0000 | [diff] [blame] | 156 | result.createDirectoryOnDisk(false); |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 157 | TempDirectory = new Path(result); |
| 158 | return *TempDirectory; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 159 | } |
| 160 | |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 161 | // FIXME: the following set of functions don't map to Windows very well. |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 162 | Path |
| 163 | Path::GetRootDirectory() { |
| 164 | Path result; |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 165 | result.set("C:/"); |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 166 | return result; |
| 167 | } |
| 168 | |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 169 | void |
Reid Spencer | 6c4b7bd | 2004-12-13 03:03:42 +0000 | [diff] [blame] | 170 | Path::GetSystemLibraryPaths(std::vector<sys::Path>& Paths) { |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 171 | Paths.push_back(sys::Path("C:/WINDOWS/SYSTEM32")); |
| 172 | Paths.push_back(sys::Path("C:/WINDOWS")); |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 173 | } |
| 174 | |
Reid Spencer | 6c4b7bd | 2004-12-13 03:03:42 +0000 | [diff] [blame] | 175 | void |
Gabor Greif | db5565a | 2007-07-06 20:28:40 +0000 | [diff] [blame] | 176 | Path::GetBitcodeLibraryPaths(std::vector<sys::Path>& Paths) { |
Reid Spencer | 6c4b7bd | 2004-12-13 03:03:42 +0000 | [diff] [blame] | 177 | char * env_var = getenv("LLVM_LIB_SEARCH_PATH"); |
| 178 | if (env_var != 0) { |
| 179 | getPathList(env_var,Paths); |
| 180 | } |
Reid Spencer | 6c4b7bd | 2004-12-13 03:03:42 +0000 | [diff] [blame] | 181 | #ifdef LLVM_LIBDIR |
| 182 | { |
| 183 | Path tmpPath; |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 184 | if (tmpPath.set(LLVM_LIBDIR)) |
Reid Spencer | c7f0832 | 2005-07-07 18:21:42 +0000 | [diff] [blame] | 185 | if (tmpPath.canRead()) |
Reid Spencer | 6c4b7bd | 2004-12-13 03:03:42 +0000 | [diff] [blame] | 186 | Paths.push_back(tmpPath); |
| 187 | } |
| 188 | #endif |
| 189 | GetSystemLibraryPaths(Paths); |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | Path |
| 193 | Path::GetLLVMDefaultConfigDir() { |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 194 | // TODO: this isn't going to fly on Windows |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 195 | return Path("/etc/llvm"); |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | Path |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 199 | Path::GetUserHomeDirectory() { |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 200 | // TODO: Typical Windows setup doesn't define HOME. |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 201 | const char* home = getenv("HOME"); |
| 202 | if (home) { |
| 203 | Path result; |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 204 | if (result.set(home)) |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 205 | return result; |
| 206 | } |
| 207 | return GetRootDirectory(); |
| 208 | } |
Ted Kremenek | 7920078 | 2007-12-18 22:07:33 +0000 | [diff] [blame] | 209 | |
| 210 | Path |
| 211 | Path::GetCurrentDirectory() { |
| 212 | char pathname[MAX_PATH]; |
Anton Korobeynikov | 64ddbe4 | 2007-12-22 14:26:49 +0000 | [diff] [blame] | 213 | ::GetCurrentDirectoryA(MAX_PATH,pathname); |
Ted Kremenek | 7920078 | 2007-12-18 22:07:33 +0000 | [diff] [blame] | 214 | return Path(pathname); |
| 215 | } |
| 216 | |
Chris Lattner | 1a09144 | 2008-03-03 02:55:43 +0000 | [diff] [blame^] | 217 | /// GetMainExecutable - Return the path to the main executable, given the |
| 218 | /// value of argv[0] from program startup. |
| 219 | Path Path::GetMainExecutable(const char *argv0, void *MainAddr) { |
| 220 | return Path(); |
| 221 | } |
| 222 | |
Ted Kremenek | 7920078 | 2007-12-18 22:07:33 +0000 | [diff] [blame] | 223 | |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 224 | // FIXME: the above set of functions don't map to Windows very well. |
| 225 | |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 226 | |
| 227 | bool |
| 228 | Path::isRootDirectory() const { |
| 229 | size_t len = path.size(); |
| 230 | return len > 0 && path[len-1] == '/'; |
Reid Spencer | a229c5c | 2005-07-08 03:08:58 +0000 | [diff] [blame] | 231 | } |
| 232 | |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 233 | std::string |
Reid Spencer | 07adb28 | 2004-11-05 22:15:36 +0000 | [diff] [blame] | 234 | Path::getBasename() const { |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 235 | // Find the last slash |
| 236 | size_t slash = path.rfind('/'); |
| 237 | if (slash == std::string::npos) |
| 238 | slash = 0; |
| 239 | else |
| 240 | slash++; |
| 241 | |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 242 | size_t dot = path.rfind('.'); |
| 243 | if (dot == std::string::npos || dot < slash) |
| 244 | return path.substr(slash); |
| 245 | else |
| 246 | return path.substr(slash, dot - slash); |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 247 | } |
| 248 | |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 249 | bool |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 250 | Path::exists() const { |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 251 | DWORD attr = GetFileAttributes(path.c_str()); |
| 252 | return attr != INVALID_FILE_ATTRIBUTES; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | bool |
Ted Kremenek | fd52711 | 2007-12-18 19:46:22 +0000 | [diff] [blame] | 256 | Path::isDirectory() const { |
| 257 | DWORD attr = GetFileAttributes(path.c_str()); |
| 258 | return (attr != INVALID_FILE_ATTRIBUTES) && |
| 259 | (attr & FILE_ATTRIBUTE_DIRECTORY); |
| 260 | } |
| 261 | |
| 262 | bool |
Reid Spencer | c7f0832 | 2005-07-07 18:21:42 +0000 | [diff] [blame] | 263 | Path::canRead() const { |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 264 | // FIXME: take security attributes into account. |
| 265 | DWORD attr = GetFileAttributes(path.c_str()); |
| 266 | return attr != INVALID_FILE_ATTRIBUTES; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | bool |
Reid Spencer | c7f0832 | 2005-07-07 18:21:42 +0000 | [diff] [blame] | 270 | Path::canWrite() const { |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 271 | // FIXME: take security attributes into account. |
| 272 | DWORD attr = GetFileAttributes(path.c_str()); |
| 273 | return (attr != INVALID_FILE_ATTRIBUTES) && !(attr & FILE_ATTRIBUTE_READONLY); |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | bool |
Reid Spencer | c7f0832 | 2005-07-07 18:21:42 +0000 | [diff] [blame] | 277 | Path::canExecute() const { |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 278 | // FIXME: take security attributes into account. |
| 279 | DWORD attr = GetFileAttributes(path.c_str()); |
| 280 | return attr != INVALID_FILE_ATTRIBUTES; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | std::string |
| 284 | Path::getLast() const { |
| 285 | // Find the last slash |
| 286 | size_t pos = path.rfind('/'); |
| 287 | |
| 288 | // Handle the corner cases |
| 289 | if (pos == std::string::npos) |
| 290 | return path; |
| 291 | |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 292 | // If the last character is a slash, we have a root directory |
| 293 | if (pos == path.length()-1) |
| 294 | return path; |
| 295 | |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 296 | // Return everything after the last slash |
| 297 | return path.substr(pos+1); |
| 298 | } |
| 299 | |
Reid Spencer | 8475ec0 | 2007-03-29 19:05:44 +0000 | [diff] [blame] | 300 | const FileStatus * |
Reid Spencer | 2ae9d11 | 2007-04-07 18:52:17 +0000 | [diff] [blame] | 301 | PathWithStatus::getFileStatus(bool update, std::string *ErrStr) const { |
| 302 | if (!fsIsValid || update) { |
Reid Spencer | 69cce81 | 2007-03-29 16:43:20 +0000 | [diff] [blame] | 303 | WIN32_FILE_ATTRIBUTE_DATA fi; |
Reid Spencer | 8475ec0 | 2007-03-29 19:05:44 +0000 | [diff] [blame] | 304 | if (!GetFileAttributesEx(path.c_str(), GetFileExInfoStandard, &fi)) { |
| 305 | MakeErrMsg(ErrStr, "getStatusInfo():" + std::string(path) + |
Reid Spencer | 69cce81 | 2007-03-29 16:43:20 +0000 | [diff] [blame] | 306 | ": Can't get status: "); |
Reid Spencer | 8475ec0 | 2007-03-29 19:05:44 +0000 | [diff] [blame] | 307 | return 0; |
| 308 | } |
Jeff Cohen | 626e38e | 2004-12-14 05:26:43 +0000 | [diff] [blame] | 309 | |
Reid Spencer | 2ae9d11 | 2007-04-07 18:52:17 +0000 | [diff] [blame] | 310 | status.fileSize = fi.nFileSizeHigh; |
| 311 | status.fileSize <<= sizeof(fi.nFileSizeHigh)*8; |
| 312 | status.fileSize += fi.nFileSizeLow; |
Jeff Cohen | 626e38e | 2004-12-14 05:26:43 +0000 | [diff] [blame] | 313 | |
Reid Spencer | 2ae9d11 | 2007-04-07 18:52:17 +0000 | [diff] [blame] | 314 | status.mode = fi.dwFileAttributes & FILE_ATTRIBUTE_READONLY ? 0555 : 0777; |
| 315 | status.user = 9999; // Not applicable to Windows, so... |
| 316 | status.group = 9999; // Not applicable to Windows, so... |
Jeff Cohen | 626e38e | 2004-12-14 05:26:43 +0000 | [diff] [blame] | 317 | |
Reid Spencer | 4031bef | 2007-03-29 17:00:31 +0000 | [diff] [blame] | 318 | // FIXME: this is only unique if the file is accessed by the same file path. |
| 319 | // How do we do this for C:\dir\file and ..\dir\file ? Unix has inode |
| 320 | // numbers, but the concept doesn't exist in Windows. |
Reid Spencer | 2ae9d11 | 2007-04-07 18:52:17 +0000 | [diff] [blame] | 321 | status.uniqueID = 0; |
Reid Spencer | 4031bef | 2007-03-29 17:00:31 +0000 | [diff] [blame] | 322 | for (unsigned i = 0; i < path.length(); ++i) |
Reid Spencer | 2ae9d11 | 2007-04-07 18:52:17 +0000 | [diff] [blame] | 323 | status.uniqueID += path[i]; |
Reid Spencer | 4031bef | 2007-03-29 17:00:31 +0000 | [diff] [blame] | 324 | |
Reid Spencer | 69cce81 | 2007-03-29 16:43:20 +0000 | [diff] [blame] | 325 | __int64 ft = *reinterpret_cast<__int64*>(&fi.ftLastWriteTime); |
Reid Spencer | 2ae9d11 | 2007-04-07 18:52:17 +0000 | [diff] [blame] | 326 | status.modTime.fromWin32Time(ft); |
Reid Spencer | 69cce81 | 2007-03-29 16:43:20 +0000 | [diff] [blame] | 327 | |
Reid Spencer | 2ae9d11 | 2007-04-07 18:52:17 +0000 | [diff] [blame] | 328 | status.isDir = fi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY; |
| 329 | fsIsValid = true; |
Reid Spencer | 69cce81 | 2007-03-29 16:43:20 +0000 | [diff] [blame] | 330 | } |
Reid Spencer | 2ae9d11 | 2007-04-07 18:52:17 +0000 | [diff] [blame] | 331 | return &status; |
Jeff Cohen | 626e38e | 2004-12-14 05:26:43 +0000 | [diff] [blame] | 332 | } |
| 333 | |
Reid Spencer | a34a157 | 2006-08-22 23:54:35 +0000 | [diff] [blame] | 334 | bool Path::makeReadableOnDisk(std::string* ErrMsg) { |
Jeff Cohen | 626e38e | 2004-12-14 05:26:43 +0000 | [diff] [blame] | 335 | // All files are readable on Windows (ignoring security attributes). |
Reid Spencer | a34a157 | 2006-08-22 23:54:35 +0000 | [diff] [blame] | 336 | return false; |
Reid Spencer | 77cc91d | 2004-12-13 19:59:50 +0000 | [diff] [blame] | 337 | } |
| 338 | |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 339 | bool Path::makeWriteableOnDisk(std::string* ErrMsg) { |
Jeff Cohen | 626e38e | 2004-12-14 05:26:43 +0000 | [diff] [blame] | 340 | DWORD attr = GetFileAttributes(path.c_str()); |
| 341 | |
| 342 | // If it doesn't exist, we're done. |
| 343 | if (attr == INVALID_FILE_ATTRIBUTES) |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 344 | return false; |
Jeff Cohen | 626e38e | 2004-12-14 05:26:43 +0000 | [diff] [blame] | 345 | |
| 346 | if (attr & FILE_ATTRIBUTE_READONLY) { |
Reid Spencer | a34a157 | 2006-08-22 23:54:35 +0000 | [diff] [blame] | 347 | if (!SetFileAttributes(path.c_str(), attr & ~FILE_ATTRIBUTE_READONLY)) { |
| 348 | MakeErrMsg(ErrMsg, std::string(path) + ": Can't make file writable: "); |
| 349 | return true; |
| 350 | } |
Jeff Cohen | 626e38e | 2004-12-14 05:26:43 +0000 | [diff] [blame] | 351 | } |
Reid Spencer | a34a157 | 2006-08-22 23:54:35 +0000 | [diff] [blame] | 352 | return false; |
Reid Spencer | 77cc91d | 2004-12-13 19:59:50 +0000 | [diff] [blame] | 353 | } |
| 354 | |
Reid Spencer | a34a157 | 2006-08-22 23:54:35 +0000 | [diff] [blame] | 355 | bool Path::makeExecutableOnDisk(std::string* ErrMsg) { |
Jeff Cohen | 626e38e | 2004-12-14 05:26:43 +0000 | [diff] [blame] | 356 | // All files are executable on Windows (ignoring security attributes). |
Reid Spencer | a34a157 | 2006-08-22 23:54:35 +0000 | [diff] [blame] | 357 | return false; |
Reid Spencer | 77cc91d | 2004-12-13 19:59:50 +0000 | [diff] [blame] | 358 | } |
| 359 | |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 360 | bool |
Reid Spencer | 142ca8e | 2006-08-23 06:56:27 +0000 | [diff] [blame] | 361 | Path::getDirectoryContents(std::set<Path>& result, std::string* ErrMsg) const { |
Jeff Cohen | 3110289 | 2007-04-07 20:47:27 +0000 | [diff] [blame] | 362 | WIN32_FILE_ATTRIBUTE_DATA fi; |
| 363 | if (!GetFileAttributesEx(path.c_str(), GetFileExInfoStandard, &fi)) { |
| 364 | MakeErrMsg(ErrMsg, path + ": can't get status of file"); |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 365 | return true; |
Jeff Cohen | 3110289 | 2007-04-07 20:47:27 +0000 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | if (!(fi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) { |
| 369 | if (ErrMsg) |
| 370 | *ErrMsg = path + ": not a directory"; |
Reid Spencer | 142ca8e | 2006-08-23 06:56:27 +0000 | [diff] [blame] | 371 | return true; |
| 372 | } |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 373 | |
| 374 | result.clear(); |
| 375 | WIN32_FIND_DATA fd; |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 376 | std::string searchpath = path; |
| 377 | if (path.size() == 0 || searchpath[path.size()-1] == '/') |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 378 | searchpath += "*"; |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 379 | else |
| 380 | searchpath += "/*"; |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 381 | |
Jeff Cohen | 9437bb6 | 2005-01-27 03:49:03 +0000 | [diff] [blame] | 382 | HANDLE h = FindFirstFile(searchpath.c_str(), &fd); |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 383 | if (h == INVALID_HANDLE_VALUE) { |
Jeff Cohen | 9437bb6 | 2005-01-27 03:49:03 +0000 | [diff] [blame] | 384 | if (GetLastError() == ERROR_FILE_NOT_FOUND) |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 385 | return true; // not really an error, now is it? |
Reid Spencer | 142ca8e | 2006-08-23 06:56:27 +0000 | [diff] [blame] | 386 | MakeErrMsg(ErrMsg, path + ": Can't read directory: "); |
| 387 | return true; |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | do { |
Jeff Cohen | d40a7de | 2004-12-31 05:07:26 +0000 | [diff] [blame] | 391 | if (fd.cFileName[0] == '.') |
| 392 | continue; |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 393 | Path aPath(path); |
| 394 | aPath.appendComponent(&fd.cFileName[0]); |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 395 | result.insert(aPath); |
| 396 | } while (FindNextFile(h, &fd)); |
| 397 | |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 398 | DWORD err = GetLastError(); |
| 399 | FindClose(h); |
| 400 | if (err != ERROR_NO_MORE_FILES) { |
| 401 | SetLastError(err); |
Reid Spencer | 142ca8e | 2006-08-23 06:56:27 +0000 | [diff] [blame] | 402 | MakeErrMsg(ErrMsg, path + ": Can't read directory: "); |
| 403 | return true; |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 404 | } |
Reid Spencer | 142ca8e | 2006-08-23 06:56:27 +0000 | [diff] [blame] | 405 | return false; |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 406 | } |
| 407 | |
| 408 | bool |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 409 | Path::set(const std::string& a_path) { |
Dan Gohman | 3035959 | 2008-01-29 13:02:09 +0000 | [diff] [blame] | 410 | if (a_path.empty()) |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 411 | return false; |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 412 | std::string save(path); |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 413 | path = a_path; |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 414 | FlipBackSlashes(path); |
Reid Spencer | 07adb28 | 2004-11-05 22:15:36 +0000 | [diff] [blame] | 415 | if (!isValid()) { |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 416 | path = save; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 417 | return false; |
| 418 | } |
| 419 | return true; |
| 420 | } |
| 421 | |
| 422 | bool |
Jeff Cohen | edb9d6b | 2005-07-08 02:48:42 +0000 | [diff] [blame] | 423 | Path::appendComponent(const std::string& name) { |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 424 | if (name.empty()) |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 425 | return false; |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 426 | std::string save(path); |
| 427 | if (!path.empty()) { |
| 428 | size_t last = path.size() - 1; |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 429 | if (path[last] != '/') |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 430 | path += '/'; |
| 431 | } |
| 432 | path += name; |
Reid Spencer | 07adb28 | 2004-11-05 22:15:36 +0000 | [diff] [blame] | 433 | if (!isValid()) { |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 434 | path = save; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 435 | return false; |
| 436 | } |
| 437 | return true; |
| 438 | } |
| 439 | |
| 440 | bool |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 441 | Path::eraseComponent() { |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 442 | size_t slashpos = path.rfind('/',path.size()); |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 443 | if (slashpos == path.size() - 1 || slashpos == std::string::npos) |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 444 | return false; |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 445 | std::string save(path); |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 446 | path.erase(slashpos); |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 447 | if (!isValid()) { |
| 448 | path = save; |
| 449 | return false; |
| 450 | } |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 451 | return true; |
| 452 | } |
| 453 | |
| 454 | bool |
Reid Spencer | 07adb28 | 2004-11-05 22:15:36 +0000 | [diff] [blame] | 455 | Path::appendSuffix(const std::string& suffix) { |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 456 | std::string save(path); |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 457 | path.append("."); |
| 458 | path.append(suffix); |
Reid Spencer | 07adb28 | 2004-11-05 22:15:36 +0000 | [diff] [blame] | 459 | if (!isValid()) { |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 460 | path = save; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 461 | return false; |
| 462 | } |
| 463 | return true; |
| 464 | } |
| 465 | |
| 466 | bool |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 467 | Path::eraseSuffix() { |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 468 | size_t dotpos = path.rfind('.',path.size()); |
| 469 | size_t slashpos = path.rfind('/',path.size()); |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 470 | if (dotpos != std::string::npos) { |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 471 | if (slashpos == std::string::npos || dotpos > slashpos+1) { |
| 472 | std::string save(path); |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 473 | path.erase(dotpos, path.size()-dotpos); |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 474 | if (!isValid()) { |
| 475 | path = save; |
| 476 | return false; |
| 477 | } |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 478 | return true; |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 479 | } |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 480 | } |
| 481 | return false; |
| 482 | } |
| 483 | |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 484 | inline bool PathMsg(std::string* ErrMsg, const char* pathname, const char*msg) { |
| 485 | if (ErrMsg) |
| 486 | *ErrMsg = std::string(pathname) + ": " + std::string(msg); |
| 487 | return true; |
| 488 | } |
| 489 | |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 490 | bool |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 491 | Path::createDirectoryOnDisk(bool create_parents, std::string* ErrMsg) { |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 492 | // Get a writeable copy of the path name |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 493 | size_t len = path.length(); |
| 494 | char *pathname = reinterpret_cast<char *>(_alloca(len+2)); |
| 495 | path.copy(pathname, len); |
| 496 | pathname[len] = 0; |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 497 | |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 498 | // Make sure it ends with a slash. |
| 499 | if (len == 0 || pathname[len - 1] != '/') { |
| 500 | pathname[len] = '/'; |
| 501 | pathname[++len] = 0; |
| 502 | } |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 503 | |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 504 | // Determine starting point for initial / search. |
| 505 | char *next = pathname; |
| 506 | if (pathname[0] == '/' && pathname[1] == '/') { |
| 507 | // Skip host name. |
| 508 | next = strchr(pathname+2, '/'); |
| 509 | if (next == NULL) |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 510 | return PathMsg(ErrMsg, pathname, "badly formed remote directory"); |
| 511 | |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 512 | // Skip share name. |
| 513 | next = strchr(next+1, '/'); |
| 514 | if (next == NULL) |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 515 | return PathMsg(ErrMsg, pathname,"badly formed remote directory"); |
| 516 | |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 517 | next++; |
| 518 | if (*next == 0) |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 519 | return PathMsg(ErrMsg, pathname, "badly formed remote directory"); |
| 520 | |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 521 | } else { |
| 522 | if (pathname[1] == ':') |
| 523 | next += 2; // skip drive letter |
| 524 | if (*next == '/') |
| 525 | next++; // skip root directory |
| 526 | } |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 527 | |
| 528 | // If we're supposed to create intermediate directories |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 529 | if (create_parents) { |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 530 | // Loop through the directory components until we're done |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 531 | while (*next) { |
| 532 | next = strchr(next, '/'); |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 533 | *next = 0; |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 534 | if (!CreateDirectory(pathname, NULL)) |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 535 | return MakeErrMsg(ErrMsg, |
| 536 | std::string(pathname) + ": Can't create directory: "); |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 537 | *next++ = '/'; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 538 | } |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 539 | } else { |
| 540 | // Drop trailing slash. |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 541 | pathname[len-1] = 0; |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 542 | if (!CreateDirectory(pathname, NULL)) { |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 543 | return MakeErrMsg(ErrMsg, std::string(pathname) + ": Can't create directory: "); |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 544 | } |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 545 | } |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 546 | return false; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 547 | } |
| 548 | |
| 549 | bool |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 550 | Path::createFileOnDisk(std::string* ErrMsg) { |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 551 | // Create the file |
Reid Spencer | 6a0ec6f | 2004-09-29 00:01:17 +0000 | [diff] [blame] | 552 | HANDLE h = CreateFile(path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_NEW, |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 553 | FILE_ATTRIBUTE_NORMAL, NULL); |
| 554 | if (h == INVALID_HANDLE_VALUE) |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 555 | return MakeErrMsg(ErrMsg, path + ": Can't create file: "); |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 556 | |
Reid Spencer | d0c9e0e | 2004-09-18 19:29:16 +0000 | [diff] [blame] | 557 | CloseHandle(h); |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 558 | return false; |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 559 | } |
| 560 | |
| 561 | bool |
Chris Lattner | 0c33231 | 2006-07-28 22:29:50 +0000 | [diff] [blame] | 562 | Path::eraseFromDisk(bool remove_contents, std::string *ErrStr) const { |
Jeff Cohen | 3110289 | 2007-04-07 20:47:27 +0000 | [diff] [blame] | 563 | WIN32_FILE_ATTRIBUTE_DATA fi; |
| 564 | if (!GetFileAttributesEx(path.c_str(), GetFileExInfoStandard, &fi)) |
| 565 | return true; |
Chris Lattner | c7c453a | 2006-08-01 17:51:09 +0000 | [diff] [blame] | 566 | |
Jeff Cohen | 3110289 | 2007-04-07 20:47:27 +0000 | [diff] [blame] | 567 | if (fi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 568 | // If it doesn't exist, we're done. |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 569 | if (!exists()) |
Chris Lattner | 0c33231 | 2006-07-28 22:29:50 +0000 | [diff] [blame] | 570 | return false; |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 571 | |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 572 | char *pathname = reinterpret_cast<char *>(_alloca(path.length()+3)); |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 573 | int lastchar = path.length() - 1 ; |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 574 | path.copy(pathname, lastchar+1); |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 575 | |
| 576 | // Make path end with '/*'. |
Jeff Cohen | 8f0e8f2 | 2005-07-08 04:50:08 +0000 | [diff] [blame] | 577 | if (pathname[lastchar] != '/') |
| 578 | pathname[++lastchar] = '/'; |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 579 | pathname[lastchar+1] = '*'; |
| 580 | pathname[lastchar+2] = 0; |
| 581 | |
| 582 | if (remove_contents) { |
| 583 | WIN32_FIND_DATA fd; |
| 584 | HANDLE h = FindFirstFile(pathname, &fd); |
| 585 | |
| 586 | // It's a bad idea to alter the contents of a directory while enumerating |
| 587 | // its contents. So build a list of its contents first, then destroy them. |
| 588 | |
| 589 | if (h != INVALID_HANDLE_VALUE) { |
| 590 | std::vector<Path> list; |
| 591 | |
| 592 | do { |
| 593 | if (strcmp(fd.cFileName, ".") == 0) |
| 594 | continue; |
| 595 | if (strcmp(fd.cFileName, "..") == 0) |
| 596 | continue; |
| 597 | |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 598 | Path aPath(path); |
| 599 | aPath.appendComponent(&fd.cFileName[0]); |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 600 | list.push_back(aPath); |
| 601 | } while (FindNextFile(h, &fd)); |
| 602 | |
| 603 | DWORD err = GetLastError(); |
| 604 | FindClose(h); |
| 605 | if (err != ERROR_NO_MORE_FILES) { |
| 606 | SetLastError(err); |
Reid Spencer | 0554575 | 2006-08-25 21:37:17 +0000 | [diff] [blame] | 607 | return MakeErrMsg(ErrStr, path + ": Can't read directory: "); |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 608 | } |
| 609 | |
Jeff Cohen | 85c716f | 2005-07-08 05:02:13 +0000 | [diff] [blame] | 610 | for (std::vector<Path>::iterator I = list.begin(); I != list.end(); |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 611 | ++I) { |
| 612 | Path &aPath = *I; |
Reid Spencer | a229c5c | 2005-07-08 03:08:58 +0000 | [diff] [blame] | 613 | aPath.eraseFromDisk(true); |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 614 | } |
| 615 | } else { |
| 616 | if (GetLastError() != ERROR_FILE_NOT_FOUND) |
Reid Spencer | 0554575 | 2006-08-25 21:37:17 +0000 | [diff] [blame] | 617 | return MakeErrMsg(ErrStr, path + ": Can't read directory: "); |
Reid Spencer | 1cf2d04 | 2005-07-07 23:35:23 +0000 | [diff] [blame] | 618 | } |
| 619 | } |
| 620 | |
| 621 | pathname[lastchar] = 0; |
| 622 | if (!RemoveDirectory(pathname)) |
Reid Spencer | 0554575 | 2006-08-25 21:37:17 +0000 | [diff] [blame] | 623 | return MakeErrMsg(ErrStr, |
| 624 | std::string(pathname) + ": Can't destroy directory: "); |
Chris Lattner | 0c33231 | 2006-07-28 22:29:50 +0000 | [diff] [blame] | 625 | return false; |
Jeff Cohen | 3110289 | 2007-04-07 20:47:27 +0000 | [diff] [blame] | 626 | } else { |
| 627 | // Read-only files cannot be deleted on Windows. Must remove the read-only |
| 628 | // attribute first. |
| 629 | if (fi.dwFileAttributes & FILE_ATTRIBUTE_READONLY) { |
| 630 | if (!SetFileAttributes(path.c_str(), |
| 631 | fi.dwFileAttributes & ~FILE_ATTRIBUTE_READONLY)) |
| 632 | return MakeErrMsg(ErrStr, path + ": Can't destroy file: "); |
| 633 | } |
| 634 | |
| 635 | if (!DeleteFile(path.c_str())) |
| 636 | return MakeErrMsg(ErrStr, path + ": Can't destroy file: "); |
| 637 | return false; |
| 638 | } |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 639 | } |
| 640 | |
Reid Spencer | 3b0cc78 | 2004-12-14 18:42:13 +0000 | [diff] [blame] | 641 | bool Path::getMagicNumber(std::string& Magic, unsigned len) const { |
Reid Spencer | 3b0cc78 | 2004-12-14 18:42:13 +0000 | [diff] [blame] | 642 | assert(len < 1024 && "Request for magic string too long"); |
| 643 | char* buf = (char*) alloca(1 + len); |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 644 | |
| 645 | HANDLE h = CreateFile(path.c_str(), |
| 646 | GENERIC_READ, |
| 647 | FILE_SHARE_READ, |
| 648 | NULL, |
| 649 | OPEN_EXISTING, |
| 650 | FILE_ATTRIBUTE_NORMAL, |
| 651 | NULL); |
| 652 | if (h == INVALID_HANDLE_VALUE) |
Reid Spencer | 3b0cc78 | 2004-12-14 18:42:13 +0000 | [diff] [blame] | 653 | return false; |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 654 | |
| 655 | DWORD nRead = 0; |
| 656 | BOOL ret = ReadFile(h, buf, len, &nRead, NULL); |
| 657 | CloseHandle(h); |
| 658 | |
| 659 | if (!ret || nRead != len) |
Reid Spencer | 3b0cc78 | 2004-12-14 18:42:13 +0000 | [diff] [blame] | 660 | return false; |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 661 | |
Reid Spencer | 3b0cc78 | 2004-12-14 18:42:13 +0000 | [diff] [blame] | 662 | buf[len] = '\0'; |
| 663 | Magic = buf; |
| 664 | return true; |
| 665 | } |
| 666 | |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 667 | bool |
Reid Spencer | 5a06077 | 2006-08-23 07:30:48 +0000 | [diff] [blame] | 668 | Path::renamePathOnDisk(const Path& newName, std::string* ErrMsg) { |
Jeff Cohen | e564de2 | 2006-05-07 02:51:51 +0000 | [diff] [blame] | 669 | if (!MoveFileEx(path.c_str(), newName.c_str(), MOVEFILE_REPLACE_EXISTING)) |
Reid Spencer | 5a06077 | 2006-08-23 07:30:48 +0000 | [diff] [blame] | 670 | return MakeErrMsg(ErrMsg, "Can't move '" + path + "' to '" + newName.path |
| 671 | + "': "); |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 672 | return true; |
| 673 | } |
| 674 | |
| 675 | bool |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 676 | Path::setStatusInfoOnDisk(const FileStatus &si, std::string *ErrMsg) const { |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 677 | // FIXME: should work on directories also. |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 678 | if (!si.isFile) { |
| 679 | return true; |
| 680 | } |
| 681 | |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 682 | HANDLE h = CreateFile(path.c_str(), |
| 683 | FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES, |
| 684 | FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, |
Jeff Cohen | d40a7de | 2004-12-31 05:07:26 +0000 | [diff] [blame] | 685 | NULL, |
| 686 | OPEN_EXISTING, |
| 687 | FILE_ATTRIBUTE_NORMAL, |
| 688 | NULL); |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 689 | if (h == INVALID_HANDLE_VALUE) |
Chris Lattner | 1bebfb5 | 2006-07-28 22:36:17 +0000 | [diff] [blame] | 690 | return true; |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 691 | |
| 692 | BY_HANDLE_FILE_INFORMATION bhfi; |
| 693 | if (!GetFileInformationByHandle(h, &bhfi)) { |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 694 | DWORD err = GetLastError(); |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 695 | CloseHandle(h); |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 696 | SetLastError(err); |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 697 | return MakeErrMsg(ErrMsg, path + ": GetFileInformationByHandle: "); |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 698 | } |
| 699 | |
| 700 | FILETIME ft; |
| 701 | (uint64_t&)ft = si.modTime.toWin32Time(); |
| 702 | BOOL ret = SetFileTime(h, NULL, &ft, &ft); |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 703 | DWORD err = GetLastError(); |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 704 | CloseHandle(h); |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 705 | if (!ret) { |
| 706 | SetLastError(err); |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 707 | return MakeErrMsg(ErrMsg, path + ": SetFileTime: "); |
Jeff Cohen | 51b8d21 | 2004-12-31 19:01:08 +0000 | [diff] [blame] | 708 | } |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 709 | |
| 710 | // Best we can do with Unix permission bits is to interpret the owner |
| 711 | // writable bit. |
| 712 | if (si.mode & 0200) { |
| 713 | if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY) { |
| 714 | if (!SetFileAttributes(path.c_str(), |
Jeff Cohen | d40a7de | 2004-12-31 05:07:26 +0000 | [diff] [blame] | 715 | bhfi.dwFileAttributes & ~FILE_ATTRIBUTE_READONLY)) |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 716 | return MakeErrMsg(ErrMsg, path + ": SetFileAttributes: "); |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 717 | } |
| 718 | } else { |
| 719 | if (!(bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) { |
| 720 | if (!SetFileAttributes(path.c_str(), |
Jeff Cohen | d40a7de | 2004-12-31 05:07:26 +0000 | [diff] [blame] | 721 | bhfi.dwFileAttributes | FILE_ATTRIBUTE_READONLY)) |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 722 | return MakeErrMsg(ErrMsg, path + ": SetFileAttributes: "); |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 723 | } |
| 724 | } |
| 725 | |
Chris Lattner | 1bebfb5 | 2006-07-28 22:36:17 +0000 | [diff] [blame] | 726 | return false; |
Jeff Cohen | ebcb9b3 | 2004-12-31 04:39:07 +0000 | [diff] [blame] | 727 | } |
| 728 | |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 729 | bool |
| 730 | CopyFile(const sys::Path &Dest, const sys::Path &Src, std::string* ErrMsg) { |
Jeff Cohen | cb65255 | 2004-12-24 02:38:34 +0000 | [diff] [blame] | 731 | // Can't use CopyFile macro defined in Windows.h because it would mess up the |
| 732 | // above line. We use the expansion it would have in a non-UNICODE build. |
| 733 | if (!::CopyFileA(Src.c_str(), Dest.c_str(), false)) |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 734 | return MakeErrMsg(ErrMsg, "Can't copy '" + Src.toString() + |
Jeff Cohen | d40a7de | 2004-12-31 05:07:26 +0000 | [diff] [blame] | 735 | "' to '" + Dest.toString() + "': "); |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 736 | return false; |
Reid Spencer | c29befb | 2004-12-15 01:50:13 +0000 | [diff] [blame] | 737 | } |
| 738 | |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 739 | bool |
| 740 | Path::makeUnique(bool reuse_current, std::string* ErrMsg) { |
Reid Spencer | 07f9f4e | 2004-12-15 08:32:45 +0000 | [diff] [blame] | 741 | if (reuse_current && !exists()) |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 742 | return false; // File doesn't exist already, just use it! |
Reid Spencer | c29befb | 2004-12-15 01:50:13 +0000 | [diff] [blame] | 743 | |
Jeff Cohen | 9437bb6 | 2005-01-27 03:49:03 +0000 | [diff] [blame] | 744 | // Reserve space for -XXXXXX at the end. |
| 745 | char *FNBuffer = (char*) alloca(path.size()+8); |
| 746 | unsigned offset = path.size(); |
| 747 | path.copy(FNBuffer, offset); |
Reid Spencer | c29befb | 2004-12-15 01:50:13 +0000 | [diff] [blame] | 748 | |
Jeff Cohen | 966fa41 | 2005-07-09 18:42:49 +0000 | [diff] [blame] | 749 | // Find a numeric suffix that isn't used by an existing file. Assume there |
| 750 | // won't be more than 1 million files with the same prefix. Probably a safe |
| 751 | // bet. |
Jeff Cohen | 9437bb6 | 2005-01-27 03:49:03 +0000 | [diff] [blame] | 752 | static unsigned FCounter = 0; |
| 753 | do { |
| 754 | sprintf(FNBuffer+offset, "-%06u", FCounter); |
| 755 | if (++FCounter > 999999) |
| 756 | FCounter = 0; |
| 757 | path = FNBuffer; |
| 758 | } while (exists()); |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 759 | return false; |
Reid Spencer | c29befb | 2004-12-15 01:50:13 +0000 | [diff] [blame] | 760 | } |
| 761 | |
Reid Spencer | 07f9f4e | 2004-12-15 08:32:45 +0000 | [diff] [blame] | 762 | bool |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 763 | Path::createTemporaryFileOnDisk(bool reuse_current, std::string* ErrMsg) { |
Reid Spencer | 07f9f4e | 2004-12-15 08:32:45 +0000 | [diff] [blame] | 764 | // Make this into a unique file name |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 765 | makeUnique(reuse_current, ErrMsg); |
Jeff Cohen | 9437bb6 | 2005-01-27 03:49:03 +0000 | [diff] [blame] | 766 | |
| 767 | // Now go and create it |
| 768 | HANDLE h = CreateFile(path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_NEW, |
| 769 | FILE_ATTRIBUTE_NORMAL, NULL); |
| 770 | if (h == INVALID_HANDLE_VALUE) |
Anton Korobeynikov | 7d51544 | 2006-09-01 20:35:17 +0000 | [diff] [blame] | 771 | return MakeErrMsg(ErrMsg, path + ": can't create file"); |
Jeff Cohen | 9437bb6 | 2005-01-27 03:49:03 +0000 | [diff] [blame] | 772 | |
| 773 | CloseHandle(h); |
Reid Spencer | 3030099 | 2006-08-24 18:58:37 +0000 | [diff] [blame] | 774 | return false; |
Reid Spencer | 07f9f4e | 2004-12-15 08:32:45 +0000 | [diff] [blame] | 775 | } |
| 776 | |
Reid Spencer | b016a37 | 2004-09-15 05:49:50 +0000 | [diff] [blame] | 777 | } |
Reid Spencer | cbad701 | 2004-09-11 04:59:30 +0000 | [diff] [blame] | 778 | } |