release/src/router/dropbear/libtomcrypt/src/misc/zeromem.c

   1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
   2  *
   3  * LibTomCrypt is a library that provides various cryptographic
   4  * algorithms in a highly modular and flexible manner.
   5  *
   6  * The library is free for all purposes without any express
   7  * guarantee it works.
   8  *
   9  * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  10  */
  11 #include "tomcrypt.h"
  12
  13 /**
  14    @file zeromem.c
  15    Zero a block of memory, Tom St Denis
  16 */
  17
  18 /**
  19    Zero a block of memory
  20    @param out    The destination of the area to zero
  21    @param outlen The length of the area to zero (octets)
  22 */
  23 void zeromem(void *out, size_t outlen)
  24 {
  25    unsigned char *mem = out;
  26    LTC_ARGCHKVD(out != NULL);
  27    while (outlen-- > 0) {
  28       *mem++ = 0;
  29    }
  30 }
  31
  32 /* $Source: /cvs/libtom/libtomcrypt/src/misc/zeromem.c,v $ */
  33 /* $Revision: 1.6 $ */
  34 /* $Date: 2006/06/09 01:38:13 $ */