dietlibc/dietstring.h - diff

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version 1.2, 2008/02/19 00:28:13	version 1.3, 2016/11/22 14:47:52
Line 3	Line 3

#include <endian.h>	#include <endian.h>

	/* STRALIGN returns the number of bytes to add to a pointer to make it
	* point to a (unsigned long)-aligned piece of memory */
	#define STRALIGN(x) ((((uintptr_t)x+sizeof(long)-1)&(-sizeof(long)))-(uintptr_t)x)

	/* MKW returns an unsigned long vector where every byte is x */
	#define MKW(x) ((unsigned long)x*0x0101010101010101)

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

/* GFC(x) - returns first character */	/* GFC(x) - returns first character */
/* INCSTR(x) - moves to next character */	/* INCSTR(x) - moves to next character */

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