* Copyright (C) 2004, 2005, 2006 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
return gettimeofday(tv);
#endif
}
+
+/* Return the int64 number as a string. If the human_flag arg is non-zero,
+ * we may output the number in K, M, or G units. We can return up to 4
+ * buffers at a time. */
+char *big_num(int64 num, int human_flag)
+{
+ static char bufs[4][128]; /* more than enough room */
+ static unsigned int n;
+ char *s;
+
+ n = (n + 1) % (sizeof bufs / sizeof bufs[0]);
+
+ if (human_flag) {
+ char units = '\0';
+ int mult = human_flag == 1 ? 1000 : 1024;
+ double dnum = 0;
+ if (num > mult*mult*mult) {
+ dnum = (double)num / (mult*mult*mult);
+ units = 'G';
+ } else if (num > mult*mult) {
+ dnum = (double)num / (mult*mult);
+ units = 'M';
+ } else if (num > mult) {
+ dnum = (double)num / mult;
+ units = 'K';
+ }
+ if (units) {
+ snprintf(bufs[n], sizeof bufs[0], "%.2f%c", dnum, units);
+ return bufs[n];
+ }
+ }
+
+ s = bufs[n] + sizeof bufs[0] - 1;
+ *s = '\0';
+
+ if (!num)
+ *--s = '0';
+ while (num) {
+ *--s = (char)(num % 10) + '0';
+ num /= 10;
+ }
+ return s;
+}