static int array_list_expand_internal(struct array_list *arr, int max)
{
void *t;
int new_size;
if(max < arr->size) return 0;
new_size = json_max(arr->size << 1, max);
if(!(t = realloc(arr->array, new_size*sizeof(void*)))) return -1;
arr->array = (void**)t;
(void)memset(arr->array + arr->size, 0, (new_size-arr->size)*sizeof(void*));
arr->size = new_size;
return 0;
}
int printbuf_memappend(struct printbuf *p, const char *buf, int size)
{
char *t;
if(p->size - p->bpos <= size) {
int new_size = json_max(p->size * 2, p->bpos + size + 8);
#ifdef PRINTBUF_DEBUG
MC_DEBUG("printbuf_memappend: realloc "
"bpos=%d wrsize=%d old_size=%d new_size=%d\n",
p->bpos, size, p->size, new_size);
#endif /* PRINTBUF_DEBUG */
if(!(t = (char*)realloc(p->buf, new_size))) return -1;
p->size = new_size;
p->buf = t;
}
memcpy(p->buf + p->bpos, buf, size);
p->bpos += size;
p->buf[p->bpos]= '\0';
return size;
}
/**
* Extend the buffer p so it has a size of at least min_size.
*
* If the current size is large enough, nothing is changed.
*
* Note: this does not check the available space! The caller
* is responsible for performing those calculations.
*/
static int printbuf_extend(struct printbuf *p, size_t min_size)
{
char *t;
size_t new_size;
if (p->size >= min_size)
return 0;
new_size = json_max(p->size * 2, min_size + 8);
#ifdef PRINTBUF_DEBUG
MC_DEBUG("printbuf_memappend: realloc "
"bpos=%d min_size=%d old_size=%d new_size=%d\n",
p->bpos, min_size, p->size, new_size);
#endif /* PRINTBUF_DEBUG */
if(!(t = (char*)realloc(p->buf, new_size)))
return -1;
p->size = new_size;
p->buf = t;
return 0;
}