Fix bugs which let to wrong results in 25% of all cases.

diff --git a/sysdeps/i386/strchrnul.S b/sysdeps/i386/strchrnul.S
index 45950c3..b99a439 100644 (file)
--- a/sysdeps/i386/strchrnul.S
+++ b/sysdeps/i386/strchrnul.S
@@ -156,12 +156,12 @@ L(11):    movl (%eax), %ecx       /* get word (= 4 bytes) in question */
        addl %ecx, %edi         /* add the magic value to the word.  We get
                                   carry bits reported for each byte which
                                   is *not* 0 */
        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.  */
        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
 
        movl 4(%eax), %ecx      /* get word (= 4 bytes) in question */
        xorl %edx, %ecx         /* XOR with word c|c|c|c => bytes of str == c