134438Sbostic/* 2*61190Sbostic * Copyright (c) 1988, 1993 3*61190Sbostic * The Regents of the University of California. All rights reserved. 434438Sbostic * 542644Sbostic * %sccs.include.redist.c% 634824Sbostic * 734438Sbostic * This code is derived from software contributed to Berkeley by 834438Sbostic * Computer Consoles Inc. 934438Sbostic */ 1029701Ssam 1134438Sbostic#if defined(LIBC_SCCS) && !defined(lint) 12*61190Sbostic .asciz "@(#)strncmp.s 8.1 (Berkeley) 06/04/93" 1334438Sbostic#endif /* LIBC_SCCS and not lint */ 1434438Sbostic 1529701Ssam/* 1629701Ssam * Compare strings (at most n bytes): s1>s2: >0 s1==s2: 0 s1<s2: <0 1729701Ssam * 1829701Ssam * strncmp(s1, s2, n) 1929701Ssam * register char *s1, *s2; 2029701Ssam * register n; 2129701Ssam */ 2229701Ssam#include "DEFS.h" 2329701Ssam 2429701SsamENTRY(strncmp, 0) 2529701Ssam movl 12(fp),r2 2629701Ssam tstl r2 /* number of bytes to compare */ 2729701Ssam jgtr n_ok 2829701Ssam clrl r0 2929701Ssam ret /* for n <= 0 , s1 == s2 */ 3029701Ssamn_ok: 3129701Ssam movl 4(fp),r0 3229701Ssam movl 8(fp),r1 3329701Ssam cmps3 3429701Ssam jgtr greater 3529701Ssam jlss less 3629701Ssamequal: clrl r0 3729701Ssam ret 3829701Ssamless: movl $-1,r0 3929701Ssam ret 4029701Ssamgreater: movl $1,r0 4129701Ssam ret 42