void array_prepend(Array* arr, uint sz, void* el)
{
array_expand(arr, sz);
memmove(arr->data + sz, arr->data, sz * arr->size);
memcpy(arr->data, el, sz);
arr->size++;
}
void test_expand_contract() {
size_t old_max = array->max;
array_expand(array);
mu_assert((unsigned int) array->max == old_max + array->expand_rate, "Wrong size after expand");
array_contract(array);
mu_assert((unsigned int) array->max == array->expand_rate + 1, "Should stay at the expand rate at least");
}
uint8_t _read_refs(ngdb_t *ngdb, graph_t *graph, uint32_t nidx) {
uint64_t i;
uint32_t numrefs;
uint32_t *refs;
double *wts;
refs = NULL;
wts = NULL;
numrefs = ngdb_node_num_refs(ngdb, nidx);
if (numrefs == 0xFFFFFFFF) goto fail;
if (numrefs > 0) {
refs = malloc(numrefs*sizeof(uint32_t));
wts = malloc(numrefs*sizeof(double));
if (refs == NULL) goto fail;
if (wts == NULL) goto fail;
if (ngdb_node_get_all_refs(ngdb, nidx, refs, wts) != 0) goto fail;
if (array_expand(&graph->neighbours[nidx], numrefs+1)) goto fail;
if (array_expand(&graph->weights[ nidx], numrefs+1)) goto fail;
for (i = 0; i < numrefs; i++) {
if (graph_add_edge(graph, nidx, refs[i], wts[i])) goto fail;
}
free(refs);
free(wts);
refs = NULL;
wts = NULL;
}
return 0;
fail:
if (refs != NULL) free(refs);
if (wts != NULL) free(wts);
return 1;
}