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Diffstat (limited to 'sysdeps/vax/strncat.s')
| -rw-r--r-- | sysdeps/vax/strncat.s | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/sysdeps/vax/strncat.s b/sysdeps/vax/strncat.s deleted file mode 100644 index 2387d1b1bb..0000000000 --- a/sysdeps/vax/strncat.s +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright (c) 1983 Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) - .asciz "@(#)strncat.s 5.6 (Berkeley) 6/1/90" -#endif /* LIBC_SCCS and not lint */ - -/* - * Concatenate string s2 on the end of s1 - * and return the base of s1. The parameter - * n is the maximum length of string s2 to - * concatenate. - * - * char * - * strncat(s1, s2, n) - * char *s1, *s2; - * int n; - */ -#include "DEFS.h" - -ENTRY(strncat, R6) - movl 12(ap),r6 # r6 = n - bleq done # n <= 0 - movl 4(ap),r3 # r3 = s1 - movl r3,r1 -0: - locc $0,$65535,(r1) - beql 0b - movl r1,r3 # r3 = index(s1, '\0'); - movl 8(ap),r1 # r1 = s2 -1: - movzwl $65535,r2 # r2 = bytes in first chunk - cmpl r6,r2 # r2 = min(bytes in chunk, n); - jgeq 2f - movl r6,r2 -2: - subl2 r2,r6 # update n - locc $0,r2,(r1) # '\0' found? - jneq 3f - subl2 r2,r1 # back up pointer updated by locc - movc3 r2,(r1),(r3) # copy in next piece - tstl r6 # run out of space? - jneq 1b - clrb (r3) # force '\0' termination - jbr done -3: - subl2 r0,r2 # r2 = number of bytes to move - subl2 r2,r1 # back up pointer updated by locc - incl r2 # copy '\0' as well - movc3 r2,(r1),(r3) # copy in last piece -done: - movl 4(ap),r0 # return s1 - ret |