xor.h

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#ifndef _XOR_H
#define _XOR_H

#define MAX_XOR_BLOCKS 4

extern void xor_blocks(unsigned int count, unsigned int bytes,
    void *dest, void **srcs);

struct xor_block_template {
        struct xor_block_template *next;
        const char *name;
        int speed;
    void (*do_2)(unsigned long, unsigned long *, unsigned long *);
    void (*do_3)(unsigned long, unsigned long *, unsigned long *,
             unsigned long *);
    void (*do_4)(unsigned long, unsigned long *, unsigned long *,
             unsigned long *, unsigned long *);
    void (*do_5)(unsigned long, unsigned long *, unsigned long *,
             unsigned long *, unsigned long *, unsigned long *);
};

#endif