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annotate help2html/array.h @ 10:5b21f127e957

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silence random gcc warning
author David A. Holland
date Mon, 30 May 2022 23:58:14 -0400
parents 60b08b68c750
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1 #include <assert.h>
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2
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3 /* treat as opaque */
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4 struct array {
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5 void **v;
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6 unsigned num, max;
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7 };
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8
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9 struct array *array_create(void);
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10 void array_init(struct array *a);
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11 void array_cleanup(struct array *a);
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12 void array_destroy(struct array *a);
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13
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14 static inline unsigned array_num(const struct array *a);
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15 static inline void *array_get(const struct array *a, unsigned ix);
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16 static inline void array_set(struct array *a, unsigned ix, void *ptr);
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17 unsigned array_add(struct array *a, void *ptr);
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18 void array_setsize(struct array *a, unsigned newsize);
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19
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20 /* compact, removing any null elements */
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21 void array_nonulls(struct array *a);
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22
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23 /* x and y are pointers that were placed in the array */
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24 void array_sort(struct array *a, int (*f)(void *x, void *y));
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25
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26 static inline unsigned array_num(const struct array *a) {
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27 return a->num;
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28 }
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30 static inline void *array_get(const struct array *a, unsigned ix) {
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31 assert(ix < a->num);
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32 return a->v[ix];
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33 }
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34
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35 static inline void array_set(struct array *a, unsigned ix, void *ptr) {
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36 assert(ix < a->num);
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37 a->v[ix] = ptr;
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38 }