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faster string routines, alloc fix (Thomas Ogrisegg)

#ifndef _DIET_STRING_H_
#define _DIET_STRING_H_

#include <endian.h>

#if __WORDSIZE == 64
# define MKW(x) (x|x<<8|x<<16|x<<24|x<<32|x<<40|x<<48|x<<56)
# define STRALIGN(x) (((unsigned long)x&7)?8-((unsigned long)x&7):0)
#else /* __WORDSIZE == 32 */
# define MKW(x) (x|x<<8|x<<16|x<<24)
# define STRALIGN(x) (((unsigned long)x&3)?4-((unsigned long)x&3):0)
#endif

#define UNALIGNED(x,y) (((unsigned long)x & (sizeof (unsigned long)-1)) ^ ((unsigned long)y & (sizeof (unsigned long)-1)))

#endif /* _DIET_STRING_H_ */