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comparison help2html/array.h @ 0:13d2b8934445

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Import AnaGram (near-)release tree into Mercurial.
author David A. Holland
date Sat, 22 Dec 2007 17:52:45 -0500
parents
children 60b08b68c750
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-1:000000000000 0:13d2b8934445
1 #include <assert.h>
2
3 /* treat as opaque */
4 struct array {
5 void **v;
6 unsigned num, max;
7 };
8
9 struct array *array_create(void);
10 void array_init(struct array *a);
11 void array_cleanup(struct array *a);
12 void array_destroy(struct array *a);
13
14 unsigned array_num(const struct array *a);
15 void *array_get(const struct array *a, unsigned ix);
16 void array_set(struct array *a, unsigned ix, void *ptr);
17 unsigned array_add(struct array *a, void *ptr);
18 void array_setsize(struct array *a, unsigned newsize);
19
20 /* compact, removing any null elements */
21 void array_nonulls(struct array *a);
22
23 /* x and y are pointers that were placed in the array */
24 void array_sort(struct array *a, int (*f)(void *x, void *y));
25
26 extern inline unsigned array_num(const struct array *a) {
27 return a->num;
28 }
29
30 extern inline void *array_get(const struct array *a, unsigned ix) {
31 assert(ix < a->num);
32 return a->v[ix];
33 }
34
35 extern inline void array_set(struct array *a, unsigned ix, void *ptr) {
36 assert(ix < a->num);
37 a->v[ix] = ptr;
38 }