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//===--- raw_ostream.cpp - Implement the raw_ostream classes --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This implements support for bulk buffered stream output.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
#if !defined(_MSC_VER)
#include <fcntl.h>
#else
#include <io.h>
#define open(x,y,z) _open(x,y)
#define write(fd, start, size) _write(fd, start, size)
#define close(fd) _close(fd)
#endif
// An out of line virtual method to provide a home for the class vtable.
void raw_ostream::handle() {}
//===----------------------------------------------------------------------===//
// raw_fd_ostream
//===----------------------------------------------------------------------===//
/// raw_fd_ostream - Open the specified file for writing. If an error occurs,
/// information about the error is put into ErrorInfo, and the stream should
/// be immediately destroyed.
raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo) {
// Handle "-" as stdout.
if (Filename[0] == '-' && Filename[1] == 0) {
FD = STDOUT_FILENO;
ShouldClose = false;
return;
}
FD = open(Filename, O_WRONLY|O_CREAT|O_TRUNC, 0644);
if (FD < 0) {
ErrorInfo = "Error opening output file '" + std::string(Filename) + "'";
ShouldClose = false;
} else {
ShouldClose = true;
}
}
raw_fd_ostream::~raw_fd_ostream() {
flush();
if (ShouldClose)
close(FD);
}
void raw_fd_ostream::flush_impl() {
if (OutBufCur-OutBufStart)
::write(FD, OutBufStart, OutBufCur-OutBufStart);
HandleFlush();
}
raw_stdout_ostream::raw_stdout_ostream():raw_fd_ostream(STDOUT_FILENO, false) {}
raw_stderr_ostream::raw_stderr_ostream():raw_fd_ostream(STDERR_FILENO, false) {}
// An out of line virtual method to provide a home for the class vtable.
void raw_stdout_ostream::handle() {}
void raw_stderr_ostream::handle() {}
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