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Message-ID: <CABob6irCJL0suegPEUSgcH_Bou2N7qg_tO5jKAc+xXVSEDQJ8A@mail.gmail.com>
Date: Wed, 22 Aug 2012 23:37:17 +0200
From: Lukas Odzioba <lukas.odzioba@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: 32bit os warnings
2012/8/22 magnum <john.magnum@...hmail.com>:
> Claudio has patched this in magnum-jumbo now. Do you get any warnings
> when building the 1.7.9-jumbo-6-fixes branch?
>
> magnum
>
On 1.7.9-jumbo-6-fixes clean.
On magnum-jumbo I am getting those:
ukasz@...kstar:~/JtR/current/magnum-jumbo/src$ make linux-x86-opencl
-j 1>/dev/null
opencl_rawsha512-ng_fmt.c: In function 'get_partial_binary':
opencl_rawsha512-ng_fmt.c:63: warning: left shift count >= width of type
opencl_rawsha512-ng_fmt.c:63: warning: left shift count >= width of type
opencl_rawsha512-ng_fmt.c:63: warning: right shift count >= width of type
opencl_rawsha512-ng_fmt.c:63: warning: right shift count >= width of type
Since on 32bit usually:
sizeof(long)=4
sizeof(long long)=8
we can fix them by:
return (SWAP64((unsigned long long)b[3]) - 0xa54ff53a5f1d36f1ULL);
Or by defining b as unsigned long long instead of uint64_t which is
unsigned long.
With slackware14 release I am moving to 64bit os. I'll do some scripts
to automagically catch similar issues after each commit in the future.
This may help find bugs introduced by commits if script will run TS
too.
Lukas
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