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0f1e40d49c
* misc/sysexits.h: Remove advertising clause of copyright. * resolv/getnetnamadr.c: Likewise. * sysdeps/vax/bcopy.s: Likewise.
67 lines
2.5 KiB
ArmAsm
67 lines
2.5 KiB
ArmAsm
/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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.asciz "@(#)strspn.s 5.1 (Berkeley) 5/15/90"
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#endif /* LIBC_SCCS and not lint */
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/*
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* Span the string s2 (skip characters that are in s2).
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* Return the number of characters in s1 that were skipped.
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*
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* size_t
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* strspn(s1, s2)
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* const char *s1, *s2;
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*/
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#include "DEFS.h"
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ENTRY(strspn, 0)
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subl2 $32,sp /* make 256 bit table */
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movc5 $0,(sp),$0,$32,(sp)
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movq 4(ap),r1 /* r1 = s1, r2 = s2 */
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/* turn on bit for each character in s2, including '\0' */
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1:
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movzbl (r2)+,r0
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bbss r0,(sp),1b
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bneq 1b
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/* now clear bit for '\0' */
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/* (this is easier than avoiding setting it in the first place) */
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bicb2 $1,(sp) /* stop at '\0' */
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movl r1,r0 /* r0 = s (current pos in s1) */
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/* look for a character that is not in s2 */
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2:
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movzbl (r0)+,r2 /* c = *s++ */
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bbs r2,(sp),2b /* loop while c is in table */
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decl r0 /* s-- */
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subl2 r1,r0 /* r0 = s - s1 = count */
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ret
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