wraith-ircbot/src/crypto/cleanse.c

#include <string.h>

unsigned char cleanse_ctr = 0;

void OPENSSL_cleanse(void *ptr, size_t len)
        {
        unsigned char *p = (unsigned char *) ptr;
        size_t loop = len;
        while(loop--)
                {
                *(p++) = cleanse_ctr;
                cleanse_ctr += (17 + (unsigned char)((int)p & 0xF));
                }
        if(memchr(ptr, cleanse_ctr, len))
                cleanse_ctr += 63;
        }