Mercurial > dovecot > core-2.2

view src/lib/safe-memset.c @ 22656:1789bf2a1e01

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director: Make sure HOST-RESET-USERS isn't used with max_moving_users=0 The reset command would just hang in that case. doveadm would never have sent this, so this is just an extra sanity check.
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Sun, 05 Nov 2017 23:51:56 +0200
parents 2e2563132d5f
children cb108f786fb4
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/* Copyright (c) 2002-2017 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "safe-memset.h"

void safe_memset(void *data, int c, size_t size)
{
	volatile unsigned int volatile_zero_idx = 0;
	volatile unsigned char *p = data;

	if (size == 0)
		return;

	do {
		memset(data, c, size);
	} while (p[volatile_zero_idx] != c);
}