During the CodeGenPrepare we often lower intrinsics (such as objsize)

[oota-llvm.git] / lib / Support / raw_ostream.cpp

diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index 72d3986f41ddd23973a0a1e9369767da4b054a10..fa69c2d3f538d796feb686b50b8b102d19ba770b 100644 (file)
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -528,7 +528,8 @@ void raw_fd_ostream::write_impl(const char *Ptr, size_t Size) {
     } else {
       // Use ::writev() where available.
 #if defined(HAVE_WRITEV)
-      struct iovec IOV = { (void*) Ptr, Size };
+      const void *Addr = static_cast<const void *>(Ptr);
+      struct iovec IOV = {const_cast<void *>(Addr), Size };
       ret = ::writev(FD, &IOV, 1);
 #else
       ret = ::write(FD, Ptr, Size);
@@ -633,10 +634,27 @@ raw_ostream &raw_fd_ostream::resetColor() {
   return *this;
 }
 
+raw_ostream &raw_fd_ostream::reverseColor() {
+  if (sys::Process::ColorNeedsFlush())
+    flush();
+  const char *colorcode = sys::Process::OutputReverse();
+  if (colorcode) {
+    size_t len = strlen(colorcode);
+    write(colorcode, len);
+    // don't account colors towards output characters
+    pos -= len;
+  }
+  return *this;
+}
+
 bool raw_fd_ostream::is_displayed() const {
   return sys::Process::FileDescriptorIsDisplayed(FD);
 }
 
+bool raw_fd_ostream::has_colors() const {
+  return sys::Process::FileDescriptorHasColors(FD);
+}
+
 //===----------------------------------------------------------------------===//
 //  outs(), errs(), nulls()
 //===----------------------------------------------------------------------===//