/* The following magic check was designed by A. Mycroft. It yields a */
/* nonzero value if the argument w has a zero byte in it somewhere. The */
/* messy constants have been unfolded a bit in this code so that they */
/* get preloaded into registers before relevant loops. */
#ifdef _copywords
# define ONES_WORD 0x01010101
# define EIGHTS_WORD (ones_word << 7)
# define nullbyte_prologue_() \
int ones_word = ONES_WORD;
# define word_has_nullbyte(w) (((w) - ones_word) & ~(w) & EIGHTS_WORD)
#endif
p.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu