1 files changed, 115 insertions, 0 deletions
diff --git a/trunk/src/internal_logging.cc b/trunk/src/internal_logging.cc
new file mode 100644
index 0000000..ea8e56f
--- /dev/null
+++ b/trunk/src/internal_logging.cc
@@ -0,0 +1,115 @@
+// Copyright (c) 2005, Google Inc.
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// ---
+// Sanjay Ghemawat <opensource@google.com>
+
+#include <config.h>
+#include <stdio.h>
+#include <stdarg.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>    // for write()
+#endif
+#include <string.h>
+#include <google/malloc_extension.h>
+#include "internal_logging.h"
+
+static const int kLogBufSize = 800;
+
+void TCMalloc_MESSAGE(const char* filename,
+                      int line_number,
+                      const char* format, ...) {
+  char buf[kLogBufSize];
+  const int n = snprintf(buf, sizeof(buf), "%s:%d] ", filename, line_number);
+  if (n < kLogBufSize) {
+    va_list ap;
+    va_start(ap, format);
+    vsnprintf(buf + n, kLogBufSize - n, format, ap);
+    va_end(ap);
+  }
+  write(STDERR_FILENO, buf, strlen(buf));
+}
+
+static const int kStatsBufferSize = 16 << 10;
+static char stats_buffer[kStatsBufferSize] = { 0 };
+
+static void TCMalloc_CRASH_internal(bool dump_stats,
+                                    const char* filename,
+                                    int line_number,
+                                    const char* format, va_list ap) {
+  char buf[kLogBufSize];
+  const int n = snprintf(buf, sizeof(buf), "%s:%d] ", filename, line_number);
+  if (n < kLogBufSize) {
+    vsnprintf(buf + n, kLogBufSize - n, format, ap);
+  }
+  write(STDERR_FILENO, buf, strlen(buf));
+  if (dump_stats) {
+    MallocExtension::instance()->GetStats(stats_buffer, kStatsBufferSize);
+    write(STDERR_FILENO, stats_buffer, strlen(stats_buffer));
+  }
+
+  abort();
+}
+
+void TCMalloc_CRASH(bool dump_stats,
+                    const char* filename,
+                    int line_number,
+                    const char* format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  TCMalloc_CRASH_internal(dump_stats, filename, line_number, format, ap);
+  va_end(ap);
+}
+
+
+void TCMalloc_CrashReporter::PrintfAndDie(const char* format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  TCMalloc_CRASH_internal(dump_stats_, file_, line_, format, ap);
+  va_end(ap);
+}
+
+void TCMalloc_Printer::printf(const char* format, ...) {
+  if (left_ > 0) {
+    va_list ap;
+    va_start(ap, format);
+    const int r = vsnprintf(buf_, left_, format, ap);
+    va_end(ap);
+    if (r < 0) {
+      // Perhaps an old glibc that returns -1 on truncation?
+      left_ = 0;
+    } else if (r > left_) {
+      // Truncation
+      left_ = 0;
+    } else {
+      left_ -= r;
+      buf_ += r;
+    }
+  }
+}