memset.c

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#include <sys/types.h>
#include <stdio.h>
#include <string.h>

#include <debug.h>

void memset(void *buffer, int data, size_t size)
{
        unsigned long *word;
        unsigned char *byte;
        unsigned long fill_word;
        size_t i;

        word = buffer;

        i = size >> 2;
        fill_word = ((unsigned char)data);
        fill_word = (fill_word << 8) | ((unsigned char)data);
        fill_word = (fill_word << 8) | ((unsigned char)data);
        fill_word = (fill_word << 8) | ((unsigned char)data);
        while (i-- > 0) {
                *word++ = fill_word;
        }

        byte = (unsigned char*)word;
        i = size & 0x00000003;
        while (i-- > 0) {
                byte[i] = ((unsigned char*)&data)[i];
        }
}

/* End of a file */