The Tor Browser: security/nss/lib/dbm/src/h

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /*-

     2  * Copyright (c) 1990, 1993, 1994

     3  *	The Regents of the University of California.  All rights reserved.

     4  *

     5  * This code is derived from software contributed to Berkeley by

     6  * Margo Seltzer.

     7  *

     8  * Redistribution and use in source and binary forms, with or without

     9  * modification, are permitted provided that the following conditions

    10  * are met:

    11  * 1. Redistributions of source code must retain the above copyright

    12  *    notice, this list of conditions and the following disclaimer.

    13  * 2. Redistributions in binary form must reproduce the above copyright

    14  *    notice, this list of conditions and the following disclaimer in the

    15  *    documentation and/or other materials provided with the distribution.

    16  * 3. ***REMOVED*** - see

    17  *    ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

    18  * 4. Neither the name of the University nor the names of its contributors

    19  *    may be used to endorse or promote products derived from this software

    20  *    without specific prior written permission.

    21  *

    22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

    23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

    26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

    28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

    30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

    31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

    32  * SUCH DAMAGE.

    33  */

    35 #if defined(LIBC_SCCS) && !defined(lint)

    36 static char sccsid[] = "@(#)hash_log2.c	8.2 (Berkeley) 5/31/94";

    37 #endif /* LIBC_SCCS and not lint */

    39 #include <stdio.h>

    40 #ifndef macintosh

    41 #include <sys/types.h>

    42 #endif

    43 #include "mcom_db.h"

    45 uint32 __log2(uint32 num)

    46 {

    47 	register uint32 i, limit;

    49 	limit = 1;

    50 	for (i = 0; limit < num; limit = limit << 1, i++) {}

    51 	return (i);

    52 }

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