diff options
| author | David Greenman <dg@FreeBSD.org> | 1994-11-25 04:11:19 +0000 |
|---|---|---|
| committer | David Greenman <dg@FreeBSD.org> | 1994-11-25 04:11:19 +0000 |
| commit | 40598ff428fdfab9ba4fdd293787cc44d5ce24c3 (patch) | |
| tree | 765efc0b16c0ca4f3d0f4f8ee4623280ea6852dd /lib/libc | |
| parent | 293df9d65a3c6bb59198300a549052388c2f672f (diff) | |
Notes
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/i386/string/memchr.S | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/libc/i386/string/memchr.S b/lib/libc/i386/string/memchr.S index 12a9298698ce..a1b2bcc4e2e9 100644 --- a/lib/libc/i386/string/memchr.S +++ b/lib/libc/i386/string/memchr.S @@ -27,11 +27,11 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * $Id: memchr.S,v 1.1 1994/08/05 01:18:28 wollman Exp $ + * $Id: memchr.S,v 1.2 1994/10/27 11:36:11 bde Exp $ */ #if defined(LIBC_RCS) && !defined(lint) - .asciz "$Id: memchr.S,v 1.1 1994/08/05 01:18:28 wollman Exp $" + .asciz "$Id: memchr.S,v 1.2 1994/10/27 11:36:11 bde Exp $" #endif /* LIBC_RCS and not lint */ #include "DEFS.h" @@ -49,7 +49,8 @@ ENTRY(memchr) movl 8(%esp),%edi /* string address */ movl 12(%esp),%eax /* set character to search for */ movl 16(%esp),%ecx /* set length of search */ - testl %edi,%edi /* clear Z flag, for len == 0 */ + testl %ecx,%ecx /* return NULL if len == 0 */ + jz L1 cld /* set search forward */ repne /* search! */ scasb |