Revert of Updating OTS repo from https://github.com/khaledhosny/ots.git

third_party/ots/test/perf.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <unistd.h>
-#include <time.h>
-
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-
-#include "opentype-sanitiser.h"
-#include "ots-memory-stream.h"
-
-namespace {
-
-int Usage(const char *argv0) {
-  std::fprintf(stderr, "Usage: %s <ttf file>\n", argv0);
-  return 1;
-}
-
-}  // namespace
-
-int main(int argc, char **argv) {
-  if (argc != 2) return Usage(argv[0]);
-
-  const int fd = ::open(argv[1], O_RDONLY);
-  if (fd < 0) {
-    ::perror("open");
-    return 1;
-  }
-
-  struct stat st;
-  ::fstat(fd, &st);
-
-  uint8_t *data = new uint8_t[st.st_size];
-  if (::read(fd, data, st.st_size) != st.st_size) {
-    std::fprintf(stderr, "Failed to read file!\n");
-    return 1;
-  }
-
-  // A transcoded font is usually smaller than an original font.
-  // However, it can be slightly bigger than the original one due to
-  // name table replacement and/or padding for glyf table.
-  static const size_t kPadLen = 20 * 1024;
-  uint8_t *result = new uint8_t[st.st_size + kPadLen];
-
-  int num_repeat = 250;
-  if (st.st_size < 1024 * 1024) {
-    num_repeat = 2500;
-  }
-  if (st.st_size < 1024 * 100) {
-    num_repeat = 5000;
-  }
-
-  struct timeval start, end, elapsed;
-  ::gettimeofday(&start, 0);
-  for (int i = 0; i < num_repeat; ++i) {
-    ots::MemoryStream output(result, st.st_size + kPadLen);
-    ots::OTSContext context;
-    bool r = context.Process(&output, data, st.st_size);
-    if (!r) {
-      std::fprintf(stderr, "Failed to sanitise file!\n");
-      return 1;
-    }
-  }
-  ::gettimeofday(&end, 0);
-  timersub(&end, &start, &elapsed);
-
-  long long unsigned us
-      = ((elapsed.tv_sec * 1000 * 1000) + elapsed.tv_usec) / num_repeat;
-  std::fprintf(stderr, "%llu [us] %s (%llu bytes, %llu [byte/us])\n",
-               us, argv[1], static_cast<long long>(st.st_size),
-               (us ? st.st_size / us : 0));
-
-  return 0;
-}