gcc do_rewrite

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do_rewrite:

/* Driver for profile rewrite sub-command. */
static intdo_rewrite (int argc, char **argv){  int opt;  int ret;  const char *output_dir = 0;#ifdef HAVE_LONG_LONG  long long normalize_val = 0;#else  int64_t normalize_val = 0;#endif  float scale = 0.0;  int numerator = 1;  int denominator = 1;  int do_scaling = 0;
  optind = 0;  while ((opt = getopt_long (argc, argv, "vo:s:n:", rewrite_options, NULL)) != -1)    {      switch (opt)        {        case 'v':          verbose = true;          gcov_set_verbose ();          break;        case 'o':          output_dir = optarg;          break;        case 'n':          if (!do_scaling)#if defined(HAVE_LONG_LONG)     normalize_val = strtoll (optarg, (char **)NULL, 10);#elif defined(INT64_T_IS_LONG)     normalize_val = strtol (optarg, (char **)NULL, 10);#else     sscanf (optarg, "%" SCNd64, &normalize_val);#endif          else            fnotice (stderr, "scaling cannot co-exist with normalization,"                " skipping\n");          break;        case 's':          ret = 0;          do_scaling = 1;          if (strstr (optarg, "/"))            {              ret = sscanf (optarg, "%d/%d", &numerator, &denominator);              if (ret == 2)                {                  if (numerator < 0 || denominator <= 0)                    {                      fnotice (stderr, "incorrect format in scaling, using 1/1\n");                      denominator = 1;                      numerator = 1;                    }                }            }          if (ret != 2)            {              ret = sscanf (optarg, "%f", &scale);              if (ret != 1)                fnotice (stderr, "incorrect format in scaling, using 1/1\n");              else                denominator = 0;            }
          if (scale < 0.0)            fatal_error (input_location, "scale needs to be non-negative\n");
          if (normalize_val != 0)            {              fnotice (stderr, "normalization cannot co-exist with scaling\n");              normalize_val = 0;            }          break;        default:          rewrite_usage ();        }    }
  if (output_dir == NULL)    output_dir = "rewrite_profile";
  if (argc - optind == 1)    {      if (denominator > 0)        ret = profile_rewrite (argv[optind],  output_dir, 0, 0.0, numerator, denominator);      else        ret = profile_rewrite (argv[optind],  output_dir, normalize_val, scale, 0, 0);    }  else    rewrite_usage ();
  return ret;}

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