static JSBool
XDRChars(JSXDRState *xdr, jschar *chars, uint32 nchars)
{
uint32 i, padlen, nbytes;
jschar *raw;
nbytes = nchars * sizeof(jschar);
padlen = nbytes % JSXDR_ALIGN;
if (padlen) {
padlen = JSXDR_ALIGN - padlen;
nbytes += padlen;
}
if (!(raw = (jschar *) xdr->ops->raw(xdr, nbytes)))
return JS_FALSE;
if (xdr->mode == JSXDR_ENCODE) {
for (i = 0; i != nchars; i++)
raw[i] = JSXDR_SWAB16(chars[i]);
if (padlen)
memset((char *)raw + nbytes - padlen, 0, padlen);
} else if (xdr->mode == JSXDR_DECODE) {
for (i = 0; i != nchars; i++)
chars[i] = JSXDR_SWAB16(raw[i]);
}
return JS_TRUE;
}
JS_XDRString(JSXDRState *xdr, JSString **strp)
{
uint32 i, len, padlen, nbytes;
jschar *chars = NULL, *raw;
if (xdr->mode == JSXDR_ENCODE)
len = JSSTRING_LENGTH(*strp);
if (!JS_XDRUint32(xdr, &len))
return JS_FALSE;
nbytes = len * sizeof(jschar);
if (xdr->mode == JSXDR_DECODE) {
if (!(chars = (jschar *) JS_malloc(xdr->cx, nbytes + sizeof(jschar))))
return JS_FALSE;
} else {
chars = JSSTRING_CHARS(*strp);
}
padlen = nbytes % JSXDR_ALIGN;
if (padlen) {
padlen = JSXDR_ALIGN - padlen;
nbytes += padlen;
}
if (!(raw = (jschar *) xdr->ops->raw(xdr, nbytes)))
goto bad;
if (xdr->mode == JSXDR_ENCODE) {
for (i = 0; i < len; i++)
raw[i] = JSXDR_SWAB16(chars[i]);
if (padlen)
memset((char *)raw + nbytes - padlen, 0, padlen);
} else if (xdr->mode == JSXDR_DECODE) {
for (i = 0; i < len; i++)
chars[i] = JSXDR_SWAB16(raw[i]);
chars[len] = 0;
if (!(*strp = JS_NewUCString(xdr->cx, chars, len)))
goto bad;
}
return JS_TRUE;
bad:
if (xdr->mode == JSXDR_DECODE)
JS_free(xdr->cx, chars);
return JS_FALSE;
}
