Return to zero_bytes.c CVS log | Up to [local] / src / usr.bin / sudo |
File: [local] / src / usr.bin / sudo / Attic / zero_bytes.c (download)
Revision 1.5, Thu Mar 4 12:21:36 2010 UTC (14 years, 3 months ago) by millert
Remove old $Sudo$ tags; the main sudo tree no longer lives in cvs. |
/* * Copyright (c) 2003-2005, 2007 Todd C. Miller <Todd.Miller@courtesan.com> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <sys/types.h> #include <config.h> #include <compat.h> /* * Like bzero(3) but with a volatile pointer. The hope is that * the compiler will not be able to optimize away this function. */ void zero_bytes(v, n) volatile void *v; size_t n; { volatile char *p, *ep; for (p = v, ep = p + n; p < ep; p++) *p = 0; return; }