Merge "Add timestamps to libbase's stderr logging."

#include "android-base/logging.h"

#include <libgen.h>

#include <time.h>

// For getprogname(3) or program_invocation_short_name.

#if defined(__ANDROID__) || defined(__APPLE__)

void StderrLogger(LogId, LogSeverity severity, const char*, const char* file,

                  unsigned int line, const char* message) {

  struct tm now;

  time_t t = time(nullptr);

#if defined(_WIN32)

  localtime_s(&now, &t);

#else

  localtime_r(&t, &now);

#endif

  char timestamp[32];

  strftime(timestamp, sizeof(timestamp), "%m-%d %H:%M:%S", &now);

  static const char log_characters[] = "VDIWEF";

  static_assert(arraysize(log_characters) - 1 == FATAL + 1,

                "Mismatch in size of log_characters and values in LogSeverity");

  char severity_char = log_characters[severity];

  fprintf(stderr, "%s %c %5d %5d %s:%u] %s\n", ProgramInvocationName(),

          severity_char, getpid(), GetThreadId(), file, line, message);

  fprintf(stderr, "%s %c %s %5d %5d %s:%u] %s\n", ProgramInvocationName(),

          severity_char, timestamp, getpid(), GetThreadId(), file, line, message);

}