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| 1 | /* |
| 2 | * p2d_free.c - Deallocate polygons |
| 3 | * |
| 4 | * Written 2012 by Werner Almesberger |
| 5 | * Copyright 2012 Werner Almesberger |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | */ |
| 12 | |
| 13 | |
| 14 | #include <stdlib.h> |
| 15 | |
| 16 | #include "poly2d.h" |
| 17 | |
| 18 | |
| 19 | void p2d_free(struct p2d *p) |
| 20 | { |
| 21 | struct v2d *v, *next; |
| 22 | |
| 23 | v = p->v; |
| 24 | while (v) { |
| 25 | next = v->next; |
| 26 | free(v); |
| 27 | v = next; |
| 28 | if (v == p->v) |
| 29 | break; |
| 30 | } |
| 31 | free(p); |
| 32 | } |
| 33 | |
| 34 | |
| 35 | void p2d_free_all(struct p2d *p) |
| 36 | { |
| 37 | struct p2d *next; |
| 38 | |
| 39 | while (p) { |
| 40 | next = p->next; |
| 41 | p2d_free(p); |
| 42 | p = next; |
| 43 | } |
| 44 | } |
| 45 |
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