diff options
Diffstat (limited to 'lib/Support/Windows/WindowsSupport.h')
| -rw-r--r-- | lib/Support/Windows/WindowsSupport.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/lib/Support/Windows/WindowsSupport.h b/lib/Support/Windows/WindowsSupport.h index 5bb0b8d2d788..34d961b148d1 100644 --- a/lib/Support/Windows/WindowsSupport.h +++ b/lib/Support/Windows/WindowsSupport.h @@ -26,12 +26,13 @@ #undef _WIN32_WINNT #undef _WIN32_IE -// Require at least Windows XP(5.1) API. -#define _WIN32_WINNT 0x0501 -#define _WIN32_IE 0x0600 // MinGW at it again. +// Require at least Windows 7 API. +#define _WIN32_WINNT 0x0601 +#define _WIN32_IE 0x0800 // MinGW at it again. FIXME: verify if still needed. #define WIN32_LEAN_AND_MEAN #include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/StringExtras.h" #include "llvm/ADT/StringRef.h" #include "llvm/ADT/Twine.h" #include "llvm/Config/config.h" // Get build system configuration settings @@ -47,13 +48,16 @@ inline bool MakeErrMsg(std::string* ErrMsg, const std::string& prefix) { if (!ErrMsg) return true; char *buffer = NULL; + DWORD LastError = GetLastError(); DWORD R = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | - FORMAT_MESSAGE_FROM_SYSTEM, - NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL); + FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_MAX_WIDTH_MASK, + NULL, LastError, 0, (LPSTR)&buffer, 1, NULL); if (R) - *ErrMsg = prefix + buffer; + *ErrMsg = prefix + ": " + buffer; else - *ErrMsg = prefix + "Unknown error"; + *ErrMsg = prefix + ": Unknown error"; + *ErrMsg += " (0x" + llvm::utohexstr(LastError) + ")"; LocalFree(buffer); return R != 0; |