void spn_array_insert(SpnArray *arr, size_t index, const SpnValue *val)
{
size_t i, maxindex;
/* index == arr->count is allowed (insertion at end) */
if (index > arr->count) {
unsigned long ulindex = index, ulcount = arr->count;
spn_die("array index %lu is too high (size = %lu)\n", ulindex, ulcount);
}
maxindex = arr->count++;
if (arr->allocsize == 0) {
arr->allocsize = 8;
arr->vector = spn_malloc(arr->allocsize * sizeof arr->vector[0]);
}
if (arr->count > arr->allocsize) {
arr->allocsize *= 2;
arr->vector = spn_realloc(arr->vector, arr->allocsize * sizeof arr->vector[0]);
}
for (i = maxindex; i > index; i--) {
arr->vector[i] = arr->vector[i - 1];
}
spn_value_retain(val);
arr->vector[index] = *val;
}
static void expand_buffer(struct string_builder *bld, size_t extra)
{
if (bld->allocsz < bld->len + extra) {
while (bld->allocsz < bld->len + extra) {
bld->allocsz *= 2;
}
bld->buf = spn_realloc(bld->buf, bld->allocsz);
}
}
