1999-04-30 Ulrich Drepper <drepper@cygnus.com>
+ * sysdeps/i386/strchrnul.S: Fix bugs which let to wrong results in
+ 25% of all cases.
+
* sysdeps/i386/i486/bits/string.h: Replace __uintXX_t types with
base types.
addl %ecx, %edi /* add the magic value to the word. We get
carry bits reported for each byte which
is *not* 0 */
- jnc L(71) /* highest byte is NUL => return NULL */
+ jnc L(7) /* highest byte is NUL => return NULL */
xorl %ecx, %edi /* (word+magic)^word */
orl $0xfefefeff, %edi /* set all non-carry bits */
incl %edi /* add 1: if one carry bit was *not* set
the addition will not result in 0. */
- jnz L(71) /* found NUL => return NULL */
+ jnz L(7) /* found NUL => return NULL */
movl 4(%eax), %ecx /* get word (= 4 bytes) in question */
xorl %edx, %ecx /* XOR with word c|c|c|c => bytes of str == c