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* ext/sha1/extconf.rb, ext/sha1/sha1.c: use WORDS_BIGENDIAN to

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detect the platform's endian.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
knu 2001-05-16 22:14:01 +00:00
parent 5348fd7d4a
commit ca841613cd
3 changed files with 8 additions and 16 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Thu May 17 07:11:35 2001 Akinori MUSHA <knu@iDaemons.org>
* ext/sha1/extconf.rb, ext/sha1/sha1.c: use WORDS_BIGENDIAN to
detect the platform's endian.
Thu May 17 06:31:30 2001 Akinori MUSHA <knu@iDaemons.org>
* ext/md5/md5.txt: make wording fixes, and mention the newly added

12
ext/sha1/extconf.rb
View file

@ -1,15 +1,3 @@
require 'mkmf'
i = 0x01020304
case [i].pack('l')
when [i].pack('V')
$CFLAGS += " -DLITTLE_ENDIAN"
when [i].pack('N')
$CFLAGS += " -DBIG_ENDIAN"
else
p "Sorry, your machine has an unusual byte order which is not supported."
exit!
end
create_makefile('sha1')

7
ext/sha1/sha1.c
View file

@ -12,7 +12,6 @@ A million repetitions of "a"
34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
*/
/* #define LITTLE_ENDIAN * This should be #define'd if true. */
/* #define SHA1HANDSOFF * Copies data before messing with it. */
#include "sha1.h"
@ -21,11 +20,11 @@ A million repetitions of "a"
/* blk0() and blk() perform the initial expand. */
/* I got the idea of expanding during the round function from SSLeay */
#ifdef LITTLE_ENDIAN
#ifdef WORDS_BIGENDIAN
#define blk0(i) block->l[i]
#else /* LITTLE ENDIAN */
#define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
|(rol(block->l[i],8)&0x00FF00FF))
#else
#define blk0(i) block->l[i]
#endif
#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
^block->l[(i+2)&15]^block->l[i&15],1))