projects / unix-history / blame
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1 | /*- |
| 2 | * Copyright (c) 1982 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| c0567266 KB |
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 | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 0d78ca85 | 32 | */ |
| b8e9ff47 | 33 | |
| 0d78ca85 | 34 | #ifndef lint |
| af359dea | 35 | static char sccsid[] = "@(#)DFDISPOSE.c 4.4 (Berkeley) 4/9/90"; |
| 0d78ca85 | 36 | #endif /* not lint */ |
| b8e9ff47 KM |
37 | |
| 38 | /* | |
| 39 | * Close all active files within a dynamic record, | |
| 40 | * then dispose of the record. | |
| 41 | */ | |
| 42 | ||
| 43 | #include "h00vars.h" | |
| 44 | #include "libpc.h" | |
| 45 | ||
| 46 | DFDISPOSE(var, size) | |
| 47 | char **var; /* pointer to pointer being deallocated */ | |
| 48 | long size; /* sizeof(bletch) */ | |
| 49 | { | |
| 50 | register struct iorec *next, *prev; | |
| 51 | struct iorec *start, *end; | |
| 52 | ||
| 53 | start = (struct iorec *)(*var); | |
| 54 | end = (struct iorec *)(*var + size); | |
| 55 | prev = (struct iorec *)(&_fchain); | |
| 56 | next = _fchain.fchain; | |
| 57 | while(next != FILNIL && (next->flev < GLVL || next < start)) { | |
| 58 | prev = next; | |
| 59 | next = next->fchain; | |
| 60 | } | |
| 660b18d9 | 61 | while(next != FILNIL && start <= next && next < end) |
| 9e012f32 | 62 | next = PFCLOSE(next, TRUE); |
| b8e9ff47 KM |
63 | prev->fchain = next; |
| 64 | DISPOSE(var, size); | |
| 65 | } |