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-rw-r--r--third_party/tcmalloc/chromium/src/base/logging.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/third_party/tcmalloc/chromium/src/base/logging.h b/third_party/tcmalloc/chromium/src/base/logging.h
index 4d5e30c..b24a030 100644
--- a/third_party/tcmalloc/chromium/src/base/logging.h
+++ b/third_party/tcmalloc/chromium/src/base/logging.h
@@ -49,16 +49,26 @@
// On some systems (like freebsd), we can't call write() at all in a
// global constructor, perhaps because errno hasn't been set up.
+// (In windows, we can't call it because it might call malloc.)
// Calling the write syscall is safer (it doesn't set errno), so we
// prefer that. Note we don't care about errno for logging: we just
// do logging on a best-effort basis.
-#ifdef HAVE_SYS_SYSCALL_H
+#if defined(_MSC_VER)
+#define WRITE_TO_STDERR(buf, len) WriteToStderr(buf, len); // in port.cc
+#elif defined(HAVE_SYS_SYSCALL_H)
#include <sys/syscall.h>
#define WRITE_TO_STDERR(buf, len) syscall(SYS_write, STDERR_FILENO, buf, len)
#else
#define WRITE_TO_STDERR(buf, len) write(STDERR_FILENO, buf, len)
#endif
+// MSVC and mingw define their own, safe version of vnsprintf (the
+// windows one in broken) in port.cc. Everyone else can use the
+// version here. We had to give it a unique name for windows.
+#ifndef _WIN32
+# define perftools_vsnprintf vsnprintf
+#endif
+
// We log all messages at this log-level and below.
// INFO == -1, WARNING == -2, ERROR == -3, FATAL == -4
@@ -188,7 +198,7 @@ inline void LogPrintf(int severity, const char* pat, va_list ap) {
// We write directly to the stderr file descriptor and avoid FILE
// buffering because that may invoke malloc()
char buf[1600];
- vsnprintf(buf, sizeof(buf)-1, pat, ap);
+ perftools_vsnprintf(buf, sizeof(buf)-1, pat, ap);
if (buf[0] != '\0' && buf[strlen(buf)-1] != '\n') {
assert(strlen(buf)+1 < sizeof(buf));
strcat(buf, "\n");
@@ -230,6 +240,9 @@ inline void LOG_IF(int lvl, bool cond, const char* pat, ...) {
// Like other "raw" routines, these functions are best effort, and
// thus don't return error codes (except RawOpenForWriting()).
#if defined(_WIN32) || defined(__CYGWIN__) || defined(__CYGWIN32__)
+#ifndef NOMINMAX
+#define NOMINMAX // @#!$& windows
+#endif
#include <windows.h>
typedef HANDLE RawFD;
const RawFD kIllegalRawFD = INVALID_HANDLE_VALUE;