char *JS_ValueToString()

Description

Extracts a function argument from a jsval , converts it to a string, if possible, and passes the converted value back to the caller.

Note: Do not modify the returned buffer pointer or you might corrupt the data structures of the JavaScript interpreter. To change the string, you must copy the characters into another buffer and create a new JavaScript string.

Arguments

JSContext *cx , jsval v , unsigned int *pLength

• cx is the opaque JSContext pointer that passed to the JavaScript function.
• v is the jsval from which the string is to be extracted.
• pLength is a pointer to an unsigned integer. This function sets *plength equal to the length of the string in bytes.

Returns

A pointer to a null-terminated string on success or to NULL on failure. The calling routine must not free this string when it is finished with it.

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