1/*
2 * Copyright (c) 1993,94 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/strncmp.S 184548 2008-11-02 01:28:47Z peter $");
33
34/*
35 * strncmp(s1, s2, n)
36 * return an integer greater than, equal to, or less than 0,
37 * according as the first n characters of string s1 is greater
38 * than, equal to, or less than the string s2.
39 *
40 * %eax - pointer to s1
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159 movzbl (%ecx),%ecx
160 subl %ecx,%eax
161 popl %ebx
162 ret
163 .align 2,0x90
164L4: xorl %eax,%eax
165 popl %ebx
166 ret
167END(strncmp)
2 * Copyright (c) 1993,94 Winning Strategies, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
--- 15 unchanged lines hidden (view full) ---
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <machine/asm.h>
32__FBSDID("$FreeBSD: head/lib/libc/i386/string/strncmp.S 184548 2008-11-02 01:28:47Z peter $");
33
34/*
35 * strncmp(s1, s2, n)
36 * return an integer greater than, equal to, or less than 0,
37 * according as the first n characters of string s1 is greater
38 * than, equal to, or less than the string s2.
39 *
40 * %eax - pointer to s1
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159 movzbl (%ecx),%ecx
160 subl %ecx,%eax
161 popl %ebx
162 ret
163 .align 2,0x90
164L4: xorl %eax,%eax
165 popl %ebx
166 ret
167END(strncmp)