llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cc

45 lines
1.2 KiB
C++

//===-- sanitizer_common_libcdep.cc ---------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is shared between AddressSanitizer and ThreadSanitizer
// run-time libraries.
//===----------------------------------------------------------------------===//
#include "sanitizer_common.h"
#include "sanitizer_flags.h"
namespace __sanitizer {
bool PrintsToTty() {
MaybeOpenReportFile();
return internal_isatty(report_fd) != 0;
}
bool PrintsToTtyCached() {
// FIXME: Add proper Windows support to AnsiColorDecorator and re-enable color
// printing on Windows.
if (SANITIZER_WINDOWS)
return 0;
static int cached = 0;
static bool prints_to_tty;
if (!cached) { // Not thread-safe.
prints_to_tty = PrintsToTty();
cached = 1;
}
return prints_to_tty;
}
bool ColorizeReports() {
const char *flag = common_flags()->color;
return internal_strcmp(flag, "always") == 0 ||
(internal_strcmp(flag, "auto") == 0 && PrintsToTtyCached());
}
} // namespace __sanitizer