1 files changed, 23 insertions, 15 deletions
diff --git a/contrib/llvm/lib/Support/Windows/TimeValue.inc b/contrib/llvm/lib/Support/Windows/TimeValue.inc
index 1227552..98b07d6 100644
--- a/contrib/llvm/lib/Support/Windows/TimeValue.inc
+++ b/contrib/llvm/lib/Support/Windows/TimeValue.inc
@@ -12,10 +12,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "Windows.h"
+#include <cctype>
 #include <time.h>
 
-namespace llvm {
-using namespace sys;
+using namespace llvm;
+using namespace llvm::sys;
 
 //===----------------------------------------------------------------------===//
 //=== WARNING: Implementation here must contain only Win32 specific code.
@@ -31,21 +32,28 @@ TimeValue TimeValue::now() {
 }
 
 std::string TimeValue::str() const {
+  struct tm *LT;
 #ifdef __MINGW32__
-  // This ban may be lifted by either:
-  // (i) a future MinGW version other than 1.0 inherents the __time64_t type, or
-  // (ii) configure tests for either the time_t or __time64_t type.
-  time_t ourTime = time_t(this->toEpochTime());
-  struct tm *lt = ::localtime(&ourTime);
+  // Old versions of mingw don't have _localtime64_s. Remove this once we drop support
+  // for them.
+  time_t OurTime = time_t(this->toEpochTime());
+  LT = ::localtime(&OurTime);
+  assert(LT);
 #else
-  __time64_t ourTime = this->toEpochTime();
-  struct tm *lt = ::_localtime64(&ourTime);
+  struct tm Storage;
+  __time64_t OurTime = this->toEpochTime();
+  int Error = ::_localtime64_s(&Storage, &OurTime);
+  assert(!Error);
+  LT = &Storage;
 #endif
 
-  char buffer[25];
-  strftime(buffer, 25, "%a %b %d %H:%M:%S %Y", lt);
-  return std::string(buffer);
-}
-
-
+  char Buffer[25];
+  // FIXME: the windows version of strftime doesn't support %e
+  strftime(Buffer, 25, "%b %d %H:%M %Y", LT);
+  assert((Buffer[3] == ' ' && isdigit(Buffer[5]) && Buffer[6] == ' ') &&
+         "Unexpected format in strftime()!");
+  // Emulate %e on %d to mute '0'.
+  if (Buffer[4] == '0')
+    Buffer[4] = ' ';
+  return std::string(Buffer);
 }