This article covers features introduced in SpiderMonkey 1.8.5
Get the length of a JavaScript string in bytes.
Syntax
size_t JS_GetStringEncodingLength(JSContext *cx, JSString *str);
| Name | Type | Description |
|---|---|---|
cx |
JSContext * |
A context. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext.. |
str |
JSString * |
A string to encode. |
Description
JS_GetStringEncodingLength returns the length of the specified string in bytes, regardless of its encoding. You can use this value to create a buffer to encode the string into using the JS_EncodeStringToBuffer function.
To encode to UTF8, use JS::GetDeflatedUTF8StringLength and JS::DeflateStringToUTF8Buffer instead.