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Merge e67a06b8b1 into 0001b00706

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Nicolas Cornu 2017-01-14 01:30:28 +00:00 • committed by GitHub
commit 6d33b4f082
3 changed files with 77 additions and 33 deletions
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15
common/list.c
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@ -132,3 +132,18 @@ void list_stable_sort(list_t *list, int compare(const void *a, const void *b)) {
list_inplace_sort(list, 0, list->length - 1, compare);
}
}
void *list_bsearch(list_t *list, int compare(const void *a, const void *b), const void *data) {
return bsearch(data, list->items, list->length, sizeof(void*), compare);
}
int list_binary_find(list_t *list, int compare(const void *item, const void *data), const void *data, size_t size) {
if (list->length == 0) {
return -1;
}
void **item = list_bsearch(list, compare, data);
if (item != NULL)
return (item-list->items) / size;
else
return -1;
}