Add Binary flag to raw_fd_ostream constructor.
Document raw_fd_ostream's treatment of "-".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59219 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index 8c704cb..a8e6c78 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -13,6 +13,7 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Format.h"
+#include "llvm/System/Program.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Config/config.h"
#include <ostream>
@@ -200,17 +201,27 @@
/// occurs, information about the error is put into ErrorInfo, and the
/// stream should be immediately destroyed; the string will be empty
/// if no error occurred.
-raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo) {
+raw_fd_ostream::raw_fd_ostream(const char *Filename, bool Binary,
+ std::string &ErrorInfo) {
ErrorInfo.clear();
// Handle "-" as stdout.
if (Filename[0] == '-' && Filename[1] == 0) {
FD = STDOUT_FILENO;
+ // If user requested binary then put stdout into binary mode if
+ // possible.
+ if (Binary)
+ sys::Program::ChangeStdoutToBinary();
ShouldClose = false;
return;
}
- FD = open(Filename, O_WRONLY|O_CREAT|O_TRUNC, 0644);
+ int Flags = O_WRONLY|O_CREAT|O_TRUNC;
+#ifdef O_BINARY
+ if (Binary)
+ Flags |= O_BINARY;
+#endif
+ FD = open(Filename, Flags, 0644);
if (FD < 0) {
ErrorInfo = "Error opening output file '" + std::string(Filename) + "'";
ShouldClose = false;