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Always use binary mode for output stream. This is important to prevent unwanted end of line conversion on Windows. Should not affect Unix where O_BINARY is not defined. This fix /clang/test/lexer/preamble.c XFAIL on WIN32.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116509 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Francois Pichet 2010-10-14 20:30:58 +00:00
parent 1de588df69
commit a872a0f5f8
2 changed files with 14 additions and 4 deletions
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5
include/llvm/Support/raw_ostream.h
View File

@ -349,10 +349,7 @@ public:
/// raw_fd_ostream ctor - FD is the file descriptor that this writes to. If
/// ShouldClose is true, this closes the file when the stream is destroyed.
raw_fd_ostream(int fd, bool shouldClose,
bool unbuffered=false) : raw_ostream(unbuffered), FD(fd),
ShouldClose(shouldClose),
Error(false) {}
raw_fd_ostream(int fd, bool shouldClose, bool unbuffered=false);
~raw_fd_ostream();

13
lib/Support/raw_ostream.cpp
View File

@ -409,6 +409,19 @@ raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo,
ShouldClose = true;
}
/// raw_fd_ostream ctor - FD is the file descriptor that this writes to. If
/// ShouldClose is true, this closes the file when the stream is destroyed.
raw_fd_ostream::raw_fd_ostream(int fd, bool shouldClose, bool unbuffered)
: raw_ostream(unbuffered), FD(fd),
ShouldClose(shouldClose), Error(false) {
#ifdef O_BINARY
// Setting STDOUT and STDERR to binary mode is necessary in Win32
// to avoid undesirable linefeed conversion.
if (fd == STDOUT_FILENO || fd == STDERR_FILENO)
setmode(fd, O_BINARY);
#endif
}
raw_fd_ostream::~raw_fd_ostream() {
if (FD >= 0) {
flush();