projects / unix-history / blame
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|---|---|---|
| 3071095b | 1 | # |
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2 | # Copyright (c) 1989, 1993 |
| 3 | # The Regents of the University of California. All rights reserved. | |
| 3071095b KB |
4 | # |
| 5 | # This code is derived from software contributed to Berkeley by | |
| 6 | # Ozan Yigit. | |
| 7 | # | |
| c0567266 KB |
8 | # Redistribution and use in source and binary forms, with or without |
| 9 | # modification, are permitted provided that the following conditions | |
| 10 | # are met: | |
| 11 | # 1. Redistributions of source code must retain the above copyright | |
| 12 | # notice, this list of conditions and the following disclaimer. | |
| 13 | # 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | # notice, this list of conditions and the following disclaimer in the | |
| 15 | # documentation and/or other materials provided with the distribution. | |
| 16 | # 3. All advertising materials mentioning features or use of this software | |
| 17 | # must display the following acknowledgement: | |
| 18 | # This product includes software developed by the University of | |
| 19 | # California, Berkeley and its contributors. | |
| 20 | # 4. Neither the name of the University nor the names of its contributors | |
| 21 | # may be used to endorse or promote products derived from this software | |
| 22 | # without specific prior written permission. | |
| 23 | # | |
| 24 | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | # SUCH DAMAGE. | |
| ad787160 C |
35 | # |
| 36 | # @(#)ack.m4 8.1 (Berkeley) 6/6/93 | |
| 3071095b KB |
37 | # |
| 38 | ||
| 39 | define(ack, `ifelse($1,0,incr($2),$2,0,`ack(DECR($1),1)', | |
| 40 | `ack(DECR($1), ack($1,DECR($2)))')') |