libfrog/util.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2000-2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6 #include "platform_defs.h"
   7 #include "util.h"
   8
   9 /*
  10  * libfrog is a collection of miscellaneous userspace utilities.
  11  * It's a library of Funny Random Oddball Gunk <cough>.
  12  */
  13
  14 unsigned int
  15 log2_roundup(unsigned int i)
  16 {
  17         unsigned int    rval;
  18
  19         for (rval = 0; rval < NBBY * sizeof(i); rval++) {
  20                 if ((1 << rval) >= i)
  21                         break;
  22         }
  23         return rval;
  24 }