//===----------------------------------------------------------------------===//
#include "Windows.h"
-#include <WinCrypt.h>
+#include <wincrypt.h>
#include <fcntl.h>
#include <io.h>
#include <sys/stat.h>
return success;
}
+static bool isReservedName(StringRef path) {
+ // This list of reserved names comes from MSDN, at:
+ // http://msdn.microsoft.com/en-us/library/aa365247%28v=vs.85%29.aspx
+ static const char *sReservedNames[] = { "nul", "con", "prn", "aux",
+ "com1", "com2", "com3", "com4", "com5", "com6",
+ "com7", "com8", "com9", "lpt1", "lpt2", "lpt3",
+ "lpt4", "lpt5", "lpt6", "lpt7", "lpt8", "lpt9" };
+
+ // First, check to see if this is a device namespace, which always
+ // starts with \\.\, since device namespaces are not legal file paths.
+ if (path.startswith("\\\\.\\"))
+ return true;
+
+ // Then compare against the list of ancient reserved names
+ for (size_t i = 0; i < sizeof(sReservedNames) / sizeof(const char *); ++i) {
+ if (path.equals_lower(sReservedNames[i]))
+ return true;
+ }
+
+ // The path isn't what we consider reserved.
+ return false;
+}
+
error_code status(const Twine &path, file_status &result) {
SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16;
- if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
+ StringRef path8 = path.toStringRef(path_storage);
+ if (isReservedName(path8)) {
+ result = file_status(file_type::character_file);
+ return success;
+ }
+
+ if (error_code ec = UTF8ToUTF16(path8,
path_utf16))
return ec;
}
error_code unique_file(const Twine &model, int &result_fd,
- SmallVectorImpl<char> &result_path) {
+ SmallVectorImpl<char> &result_path,
+ bool makeAbsolute) {
// Use result_path as temp storage.
result_path.set_size(0);
StringRef m = model.toStringRef(result_path);
SmallVector<wchar_t, 128> model_utf16;
if (error_code ec = UTF8ToUTF16(m, model_utf16)) return ec;
- // Make model absolute by prepending a temp directory if it's not already.
- bool absolute = path::is_absolute(m);
-
- if (!absolute) {
- SmallVector<wchar_t, 64> temp_dir;
- if (error_code ec = TempDir(temp_dir)) return ec;
- // Handle c: by removing it.
- if (model_utf16.size() > 2 && model_utf16[1] == L':') {
- model_utf16.erase(model_utf16.begin(), model_utf16.begin() + 2);
+ if (makeAbsolute) {
+ // Make model absolute by prepending a temp directory if it's not already.
+ bool absolute = path::is_absolute(m);
+
+ if (!absolute) {
+ SmallVector<wchar_t, 64> temp_dir;
+ if (error_code ec = TempDir(temp_dir)) return ec;
+ // Handle c: by removing it.
+ if (model_utf16.size() > 2 && model_utf16[1] == L':') {
+ model_utf16.erase(model_utf16.begin(), model_utf16.begin() + 2);
+ }
+ model_utf16.insert(model_utf16.begin(), temp_dir.begin(), temp_dir.end());
}
- model_utf16.insert(model_utf16.begin(), temp_dir.begin(), temp_dir.end());
}
// Replace '%' with random chars. From here on, DO NOT modify model. It may be
NULL,
NULL,
PROV_RSA_FULL,
- 0))
+ CRYPT_VERIFYCONTEXT))
return windows_error(::GetLastError());
ScopedCryptContext CryptoProvider(HCPC);
::CloseHandle(file);
if (!read_success || (bytes_read != len)) {
// Set result size to the number of bytes read if it's valid.
- if (bytes_read >= 0 && bytes_read <= len)
+ if (bytes_read <= len)
result.set_size(bytes_read);
// ERROR_HANDLE_EOF is mapped to errc::value_too_large.
return ec;