JS_XDRDestroy(JSXDRState *xdr)
{
JSContext *cx = xdr->cx;
xdr->ops->finalize(xdr);
if (xdr->registry) {
cx->free(xdr->registry);
if (xdr->reghash)
JS_DHashTableDestroy((JSDHashTable *) xdr->reghash);
}
cx->free(xdr);
}
extern JSBool
js_XDRStringAtom(JSXDRState *xdr, JSAtom **atomp)
{
JSString *str;
uint32 nchars;
JSAtom *atom;
JSContext *cx;
jschar *chars;
jschar stackChars[256];
if (xdr->mode == JSXDR_ENCODE) {
JS_ASSERT(ATOM_IS_STRING(*atomp));
str = ATOM_TO_STRING(*atomp);
return JS_XDRString(xdr, &str);
}
/*
* Inline JS_XDRString when decoding to avoid JSString allocation
* for already existing atoms. See bug 321985.
*/
if (!JS_XDRUint32(xdr, &nchars))
return JS_FALSE;
atom = NULL;
cx = xdr->cx;
if (nchars <= JS_ARRAY_LENGTH(stackChars)) {
chars = stackChars;
} else {
/*
* This is very uncommon. Don't use the tempPool arena for this as
* most allocations here will be bigger than tempPool's arenasize.
*/
chars = (jschar *) cx->malloc(nchars * sizeof(jschar));
if (!chars)
return JS_FALSE;
}
if (XDRChars(xdr, chars, nchars))
atom = js_AtomizeChars(cx, chars, nchars, 0);
if (chars != stackChars)
cx->free(chars);
if (!atom)
return JS_FALSE;
*atomp = atom;
return JS_TRUE;
}
