1/* 2 * Copyright (c) 1993 Winning Strategies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <machine/asm.h> |
32__FBSDID("$FreeBSD: head/lib/libc/i386/string/memchr.S 184548 2008-11-02 01:28:47Z peter $"); |
33 34/* 35 * memchr (b, c, len) 36 * locates the first occurance of c in string b. 37 * 38 * Written by: 39 * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc. 40 */ --- 10 unchanged lines hidden (view full) --- 51 jnz L1 /* scan failed, return null */ 52 leal -1(%edi),%eax /* adjust result of scan */ 53 popl %edi 54 ret 55 .align 2,0x90 56L1: xorl %eax,%eax 57 popl %edi 58 ret |
59END(memchr) |