From mboxrd@z Thu Jan  1 00:00:00 1970
From: Glynn Clements <glynn.clements@virgin.net>
Subject: Re: Randomizing
Date: Sat, 12 Apr 2003 16:40:39 +0100
Sender: linux-c-programming-owner@vger.kernel.org
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References: <200304122044.00387.abulfazl@juniv.edu>
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To: Progga <abulfazl@juniv.edu>
Cc: linux-c-programming@vger.kernel.org


Progga wrote:

> Is there any function for randomizing a string (like glibc's
> strfry() ) which can be used across different Unices ?

No; but it's not hard to write one yourself:

	void randomize(char *str)
	{
		int len = strlen(str);
		int i;
		for (i = 0; i < len; i++)
		{
			int n = i + rand() % (len - i);
			char tmp = str[i];
			str[i] = str[n];
			str[n] = tmp;
		}
	}

-- 
Glynn Clements <glynn.clements@virgin.net>