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Bring win32/Path.cpp up to date with respect to Unix/Path.cpp

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19198 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeff Cohen 2004-12-31 04:39:07 +00:00
parent 139e1663a6
commit ebcb9b3807
2 changed files with 208 additions and 18 deletions
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113
lib/System/Win32/Path.cpp
View File

@ -142,13 +142,6 @@ static void getPathList(const char*path, std::vector<sys::Path>& Paths) {
void
Path::GetSystemLibraryPaths(std::vector<sys::Path>& Paths) {
#ifdef LTDL_SHLIBPATH_VAR
char* env_var = getenv(LTDL_SHLIBPATH_VAR);
if (env_var != 0) {
getPathList(env_var,Paths);
}
#endif
// FIXME: Should this look at LD_LIBRARY_PATH too?
Paths.push_back(sys::Path("C:\\WINDOWS\\SYSTEM32\\"));
Paths.push_back(sys::Path("C:\\WINDOWS\\"));
}
@ -172,11 +165,13 @@ Path::GetBytecodeLibraryPaths(std::vector<sys::Path>& Paths) {
Path
Path::GetLLVMDefaultConfigDir() {
// TODO: this isn't going to fly on Windows
return Path("/etc/llvm/");
}
Path
Path::GetUserHomeDirectory() {
// TODO: Typical Windows setup doesn't define HOME.
const char* home = getenv("HOME");
if (home) {
Path result;
@ -288,7 +283,7 @@ Path::getStatusInfo(StatusInfo& info) const {
info.fileSize <<= 32;
info.fileSize += fi.nFileSizeLow;
info.mode = 0777; // Not applicable to Windows, so...
info.mode = fi.dwFileAttributes & FILE_ATTRIBUTE_READONLY ? 0555 : 0777;
info.user = 9999; // Not applicable to Windows, so...
info.group = 9999; // Not applicable to Windows, so...
@ -302,6 +297,22 @@ Path::getStatusInfo(StatusInfo& info) const {
path.erase(path.length() - 1);
}
static bool AddPermissionBits(const std::string& Filename, int bits) {
DWORD attr = GetFileAttributes(Filename.c_str());
// If it doesn't exist, we're done.
if (attr == INVALID_FILE_ATTRIBUTES)
return false;
// The best we can do to interpret Unix permission bits is to use
// the owner writable bit.
if ((attr & FILE_ATTRIBUTE_READONLY) && (bits & 0200)) {
if (!SetFileAttributes(Filename.c_str(), attr & ~FILE_ATTRIBUTE_READONLY))
ThrowError(Filename + ": SetFileAttributes: ");
}
return true;
}
void Path::makeReadable() {
// All files are readable on Windows (ignoring security attributes).
}
@ -323,6 +334,35 @@ void Path::makeExecutable() {
// All files are executable on Windows (ignoring security attributes).
}
bool
Path::getDirectoryContents(std::set<Path>& result) const {
if (!isDirectory())
return false;
result.clear();
WIN32_FIND_DATA fd;
HANDLE h = FindFirstFile(path.c_str(), &fd);
if (h == INVALID_HANDLE_VALUE) {
if (GetLastError() == ERROR_NO_MORE_FILES)
return true; // not really an error, now is it?
ThrowError(path + ": Can't read directory: ");
}
do {
if (fd.cFileName[0] == '.')
continue;
Path aPath(path + &fd.cFileName[0]);
if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
aPath.path += "/";
result.insert(aPath);
} while (FindNextFile(h, &fd));
CloseHandle(h);
if (GetLastError() != ERROR_NO_MORE_FILES)
ThrowError(path + ": Can't read directory: ");
return true;
}
bool
Path::setDirectory(const std::string& a_path) {
if (a_path.size() == 0)
@ -575,13 +615,68 @@ bool Path::getMagicNumber(std::string& Magic, unsigned len) const {
return true;
}
bool
Path::renameFile(const Path& newName) {
if (!isFile()) return false;
if (!MoveFile(path.c_str(), newName.c_str()))
ThrowError("Can't move '" + path +
"' to '" + newName.path + "': ");
return true;
}
bool
Path::setStatusInfo(const StatusInfo& si) const {
if (!isFile()) return false;
HANDLE h = CreateFile(path.c_str(),
FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (h == INVALID_HANDLE_VALUE)
return false;
BY_HANDLE_FILE_INFORMATION bhfi;
if (!GetFileInformationByHandle(h, &bhfi)) {
CloseHandle(h);
ThrowError(path + ": GetFileInformationByHandle: ");
}
FILETIME ft;
(uint64_t&)ft = si.modTime.toWin32Time();
BOOL ret = SetFileTime(h, NULL, &ft, &ft);
CloseHandle(h);
if (!ret)
ThrowError(path + ": SetFileTime: ");
// Best we can do with Unix permission bits is to interpret the owner
// writable bit.
if (si.mode & 0200) {
if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {
if (!SetFileAttributes(path.c_str(),
bhfi.dwFileAttributes & ~FILE_ATTRIBUTE_READONLY))
ThrowError(path + ": SetFileAttributes: ");
}
} else {
if (!(bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) {
if (!SetFileAttributes(path.c_str(),
bhfi.dwFileAttributes | FILE_ATTRIBUTE_READONLY))
ThrowError(path + ": SetFileAttributes: ");
}
}
return true;
}
void
sys::CopyFile(const sys::Path &Dest, const sys::Path &Src) {
// Can't use CopyFile macro defined in Windows.h because it would mess up the
// above line. We use the expansion it would have in a non-UNICODE build.
if (!::CopyFileA(Src.c_str(), Dest.c_str(), false))
ThrowError("Can't copy '" + Src.toString() +
"' to '" + Dest.toString() + "'");
"' to '" + Dest.toString() + "': ");
}
void

113
lib/System/Win32/Path.inc
View File

@ -142,13 +142,6 @@ static void getPathList(const char*path, std::vector<sys::Path>& Paths) {
void
Path::GetSystemLibraryPaths(std::vector<sys::Path>& Paths) {
#ifdef LTDL_SHLIBPATH_VAR
char* env_var = getenv(LTDL_SHLIBPATH_VAR);
if (env_var != 0) {
getPathList(env_var,Paths);
}
#endif
// FIXME: Should this look at LD_LIBRARY_PATH too?
Paths.push_back(sys::Path("C:\\WINDOWS\\SYSTEM32\\"));
Paths.push_back(sys::Path("C:\\WINDOWS\\"));
}
@ -172,11 +165,13 @@ Path::GetBytecodeLibraryPaths(std::vector<sys::Path>& Paths) {
Path
Path::GetLLVMDefaultConfigDir() {
// TODO: this isn't going to fly on Windows
return Path("/etc/llvm/");
}
Path
Path::GetUserHomeDirectory() {
// TODO: Typical Windows setup doesn't define HOME.
const char* home = getenv("HOME");
if (home) {
Path result;
@ -288,7 +283,7 @@ Path::getStatusInfo(StatusInfo& info) const {
info.fileSize <<= 32;
info.fileSize += fi.nFileSizeLow;
info.mode = 0777; // Not applicable to Windows, so...
info.mode = fi.dwFileAttributes & FILE_ATTRIBUTE_READONLY ? 0555 : 0777;
info.user = 9999; // Not applicable to Windows, so...
info.group = 9999; // Not applicable to Windows, so...
@ -302,6 +297,22 @@ Path::getStatusInfo(StatusInfo& info) const {
path.erase(path.length() - 1);
}
static bool AddPermissionBits(const std::string& Filename, int bits) {
DWORD attr = GetFileAttributes(Filename.c_str());
// If it doesn't exist, we're done.
if (attr == INVALID_FILE_ATTRIBUTES)
return false;
// The best we can do to interpret Unix permission bits is to use
// the owner writable bit.
if ((attr & FILE_ATTRIBUTE_READONLY) && (bits & 0200)) {
if (!SetFileAttributes(Filename.c_str(), attr & ~FILE_ATTRIBUTE_READONLY))
ThrowError(Filename + ": SetFileAttributes: ");
}
return true;
}
void Path::makeReadable() {
// All files are readable on Windows (ignoring security attributes).
}
@ -323,6 +334,35 @@ void Path::makeExecutable() {
// All files are executable on Windows (ignoring security attributes).
}
bool
Path::getDirectoryContents(std::set<Path>& result) const {
if (!isDirectory())
return false;
result.clear();
WIN32_FIND_DATA fd;
HANDLE h = FindFirstFile(path.c_str(), &fd);
if (h == INVALID_HANDLE_VALUE) {
if (GetLastError() == ERROR_NO_MORE_FILES)
return true; // not really an error, now is it?
ThrowError(path + ": Can't read directory: ");
}
do {
if (fd.cFileName[0] == '.')
continue;
Path aPath(path + &fd.cFileName[0]);
if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
aPath.path += "/";
result.insert(aPath);
} while (FindNextFile(h, &fd));
CloseHandle(h);
if (GetLastError() != ERROR_NO_MORE_FILES)
ThrowError(path + ": Can't read directory: ");
return true;
}
bool
Path::setDirectory(const std::string& a_path) {
if (a_path.size() == 0)
@ -575,13 +615,68 @@ bool Path::getMagicNumber(std::string& Magic, unsigned len) const {
return true;
}
bool
Path::renameFile(const Path& newName) {
if (!isFile()) return false;
if (!MoveFile(path.c_str(), newName.c_str()))
ThrowError("Can't move '" + path +
"' to '" + newName.path + "': ");
return true;
}
bool
Path::setStatusInfo(const StatusInfo& si) const {
if (!isFile()) return false;
HANDLE h = CreateFile(path.c_str(),
FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (h == INVALID_HANDLE_VALUE)
return false;
BY_HANDLE_FILE_INFORMATION bhfi;
if (!GetFileInformationByHandle(h, &bhfi)) {
CloseHandle(h);
ThrowError(path + ": GetFileInformationByHandle: ");
}
FILETIME ft;
(uint64_t&)ft = si.modTime.toWin32Time();
BOOL ret = SetFileTime(h, NULL, &ft, &ft);
CloseHandle(h);
if (!ret)
ThrowError(path + ": SetFileTime: ");
// Best we can do with Unix permission bits is to interpret the owner
// writable bit.
if (si.mode & 0200) {
if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {
if (!SetFileAttributes(path.c_str(),
bhfi.dwFileAttributes & ~FILE_ATTRIBUTE_READONLY))
ThrowError(path + ": SetFileAttributes: ");
}
} else {
if (!(bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) {
if (!SetFileAttributes(path.c_str(),
bhfi.dwFileAttributes | FILE_ATTRIBUTE_READONLY))
ThrowError(path + ": SetFileAttributes: ");
}
}
return true;
}
void
sys::CopyFile(const sys::Path &Dest, const sys::Path &Src) {
// Can't use CopyFile macro defined in Windows.h because it would mess up the
// above line. We use the expansion it would have in a non-UNICODE build.
if (!::CopyFileA(Src.c_str(), Dest.c_str(), false))
ThrowError("Can't copy '" + Src.toString() +
"' to '" + Dest.toString() + "'");
"' to '" + Dest.toString() + "': ");
}
void