usr/src/uts/common/io/cxgbe/t4nex/osdep.c

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source. A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * This file is part of the Chelsio T4 support code.
  14  *
  15  * Copyright (C) 2010-2013 Chelsio Communications.  All rights reserved.
  16  *
  17  * This program is distributed in the hope that it will be useful, but WITHOUT
  18  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19  * FITNESS FOR A PARTICULAR PURPOSE.  See the LICENSE file included in this
  20  * release for licensing terms and conditions.
  21  */
  22
  23 #include "common.h"
  24 #include "osdep.h"
  25
  26 int
  27 ilog2(long x)
  28 {
  29         return (ddi_fls(x) - 1);
  30 }
  31
  32 unsigned char *
  33 strstrip(unsigned char *s)
  34 {
  35         unsigned char c, *r, *trim_at;
  36
  37         while (isspace(*s))
  38                 s++;
  39         r = trim_at = s;
  40
  41         while ((c = *s++) != 0) {
  42                 if (!isspace(c))
  43                         trim_at = s;
  44         }
  45         *trim_at = 0;
  46
  47         return (r);
  48 }