#include <cerrno>
#include <sys/stat.h>
+// <fcntl.h> may provide O_BINARY.
+#if defined(HAVE_FCNTL_H)
+# include <fcntl.h>
+#endif
+
#if defined(HAVE_UNISTD_H)
# include <unistd.h>
#endif
void raw_ostream::SetBufferAndMode(char *BufferStart, size_t Size,
BufferKind Mode) {
- assert(((Mode == Unbuffered && BufferStart == 0 && Size == 0) ||
- (Mode != Unbuffered && BufferStart && Size)) &&
+ assert(((Mode == Unbuffered && !BufferStart && Size == 0) ||
+ (Mode != Unbuffered && BufferStart && Size != 0)) &&
"stream must be unbuffered or have at least one byte");
// Make sure the current buffer is free of content (we can't flush here; the
// child buffer management logic will be in write_impl).
// On MSVCRT and compatible, output of %e is incompatible to Posix
// by default. Number of exponent digits should be at least 2. "%+03d"
// FIXME: Implement our formatter to here or Support/Format.h!
+#if __cplusplus >= 201103L && defined(__MINGW32__)
+ // FIXME: It should be generic to C++11.
+ if (N == 0.0 && std::signbit(N))
+ return *this << "-0.000000e+00";
+#else
int fpcl = _fpclass(N);
// negative zero
if (fpcl == _FPCLASS_NZ)
return *this << "-0.000000e+00";
+#endif
char buf[16];
unsigned len;
raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo,
sys::fs::OpenFlags Flags)
: Error(false), UseAtomicWrites(false), pos(0) {
- assert(Filename != 0 && "Filename is null");
+ assert(Filename && "Filename is null");
ErrorInfo.clear();
// Handle "-" as stdout. Note that when we do this, we consider ourself
FD = STDOUT_FILENO;
// If user requested binary then put stdout into binary mode if
// possible.
- if (Flags & sys::fs::F_Binary)
+ if (!(Flags & sys::fs::F_Text))
sys::ChangeStdoutToBinary();
// Close stdout when we're done, to detect any output errors.
ShouldClose = true;
error_code EC = sys::fs::openFileForWrite(Filename, FD, Flags);
if (EC) {
- ErrorInfo = "Error opening output file '" + std::string(Filename) + "'";
+ ErrorInfo = "Error opening output file '" + std::string(Filename) + "': " +
+ EC.message();
ShouldClose = false;
return;
}
: raw_ostream(unbuffered), FD(fd),
ShouldClose(shouldClose), Error(false), UseAtomicWrites(false) {
#ifdef O_BINARY
- // Setting STDOUT and STDERR to binary mode is necessary in Win32
+ // Setting STDOUT to binary mode is necessary in Win32
// to avoid undesirable linefeed conversion.
- if (fd == STDOUT_FILENO || fd == STDERR_FILENO)
+ // Don't touch STDERR, or w*printf() (in assert()) would barf wide chars.
+ if (fd == STDOUT_FILENO)
setmode(fd, O_BINARY);
#endif