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Re: patch contrib/pgcrypto for win32 (2) - bug report

From: Marko Kreen <marko(at)l-t(dot)ee>
To: Korea PostgreSQL Users' Group <pgsql-kr(at)postgresql(dot)or(dot)kr>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: patch contrib/pgcrypto for win32 (2) - bug report
Date: 2004-12-06 19:20:45
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-patches
On Tue, Dec 07, 2004 at 01:18:41AM +0900, Korea PostgreSQL Users' Group wrote:
> this bug is only for win32 system.
> On mingw32 random() function have to be initialized by srandom().
> so, I put srandom(time(NULL)) line.
> and,
> Because random() function return integer (2byte), this return integer number need filtering.
> so, I changed random() % 255 line.
> on win32, original code gen_salt() function allways returned "$1$/2E./2E.".
> this string made by same return value by random() function. (sorry, I can't express in good English)

This seems really suspicious.  My explanation would be, that
Win32 starup somehow skips the srandom call.

Or could the (MyProcPid ^ port->session_start.tv_usec) be
constant on win32?

> plz, check and properly fix this bug.
> I tried "& 255" operation. but this bug is still.

I dont understand.  Does that mean that

	random() & 255

are buggy, but

	random() % 255

is not?


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Subject: Re: patch contrib/pgcrypto for win32 (2) - bug report

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