- make CONFIG_MD5SUM_SIZE_VS_SPEED configurable via menuconfig.

- use shorter boilerplate.
This commit is contained in:
Bernhard Reutner-Fischer 2006-01-17 12:07:03 +00:00
parent 0f9ae1a0d7
commit 37dec0e9e9
2 changed files with 20 additions and 13 deletions

View File

@ -323,6 +323,21 @@ config CONFIG_MD5SUM
help help
md5sum is used to print or check MD5 checksums. md5sum is used to print or check MD5 checksums.
config CONFIG_MD5SUM_SIZE_VS_SPEED
int " Trade Bytes for Speed"
default 2
range 0 3
depends on CONFIG_MD5SUM
help
Trade binary size versus speed for the md5sum algorithm.
Approximate values running uClibc and hashing
linux-2.4.4.tar.bz2 were:
user times (sec) text size (386)
0 (fastest) 1.1 6144
1 1.4 5392
2 3.0 5088
3 (smallest) 5.1 4912
config CONFIG_MKDIR config CONFIG_MKDIR
bool "mkdir" bool "mkdir"
default n default n

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@ -5,19 +5,7 @@
* Copyright (C) 2003 Glenn L. McGrath * Copyright (C) 2003 Glenn L. McGrath
* Copyright (C) 2003 Erik Andersen * Copyright (C) 2003 Erik Andersen
* *
* This program is free software; you can redistribute it and/or modify * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/ */
#include <byteswap.h> #include <byteswap.h>
@ -271,7 +259,11 @@ static void sha1_end(unsigned char hval[], struct sha1_ctx_t *ctx)
* 3 (smallest) 5.1 4912 * 3 (smallest) 5.1 4912
*/ */
# if CONFIG_MD5SUM_SIZE_VS_SPEED < 0 || CONFIG_MD5SUM_SIZE_VS_SPEED > 3
# define MD5SUM_SIZE_VS_SPEED 2 # define MD5SUM_SIZE_VS_SPEED 2
# else
# define MD5SUM_SIZE_VS_SPEED CONFIG_MD5SUM_SIZE_VS_SPEED
# endif
/* Handle endian-ness */ /* Handle endian-ness */
# if __BYTE_ORDER == __LITTLE_ENDIAN # if __BYTE_ORDER == __LITTLE_ENDIAN