static int growArray(Ejs *ejs, EjsArray *ap, int len)
{
EjsObj **dp;
ssize size, factor, count;
int i;
assert(ap);
if (len <= 0) {
return 0;
}
if (len <= ap->length) {
return 0;
}
size = mprGetBlockSize(ap->data);
size = (int) (mprGetBlockSize(ap->data) / sizeof(EjsObj*));
/*
Allocate or grow the data structures.
*/
if (len > size) {
if (size > EJS_LOTSA_PROP) {
/*
Looks like a big object so grow by a bigger chunk
*/
factor = max(size / 4, EJS_ROUND_PROP);
count = (len + factor) / factor * factor;
} else {
count = len;
}
// OPT - this is currently 16
count = EJS_PROP_ROUNDUP(count);
if (ap->data == 0) {
assert(ap->length == 0);
assert(count > 0);
if ((ap->data = mprAllocZeroed(sizeof(EjsObj*) * count)) == 0) {
return EJS_ERR;
}
} else {
assert(size > 0);
if ((ap->data = mprRealloc(ap->data, sizeof(EjsObj*) * count)) == 0) {
return EJS_ERR;
}
}
dp = &ap->data[ap->length];
for (i = ap->length; i < count; i++) {
*dp++ = ESV(undefined);
}
} else {
mprNop(ITOP(size));
}
ap->length = len;
return 0;
}
static int growArray(Ejs *ejs, EjsArray *ap, int len)
{
int size, count, factor;
mprAssert(ap);
if (len <= 0) {
return 0;
}
if (len <= ap->length) {
return 0;
}
size = mprGetBlockSize(ap->data) / (int) sizeof(EjsVar*);
/*
* Allocate or grow the data structures.
*/
if (len > size) {
if (size > EJS_LOTSA_PROP) {
/*
* Looks like a big object so grow by a bigger chunk
*/
factor = max(size / 4, EJS_NUM_PROP);
count = (len + factor) / factor * factor;
} else {
count = len;
}
count = EJS_PROP_ROUNDUP(count);
if (ap->data == 0) {
mprAssert(ap->length == 0);
mprAssert(count > 0);
ap->data = (EjsVar**) mprAllocZeroed(ap, (int) sizeof(EjsVar*) * count);
if (ap->data == 0) {
return EJS_ERR;
}
} else {
mprAssert(size > 0);
ap->data = (EjsVar**) mprRealloc(ap, ap->data, (int) sizeof(EjsVar*) * count);
if (ap->data == 0) {
return EJS_ERR;
}
ejsZeroSlots(ejs, &ap->data[ap->length], (count - ap->length));
}
}
ap->length = len;
return 0;
}