Function duplicateStringValue

Source/JSON/jsoncpp.cpp:2255–2271

Duplicates the specified string value. * @param value Pointer to the string to duplicate. Must be zero-terminated if * length is "unknown". * @param length Length of the value. if equals to unknown, then it will be * computed using strlen(value). * @return Pointer on the duplicate instance of string. */

 * @return Pointer on the duplicate instance of string.
 */
static inline char* duplicateStringValue(const char* value,
                                         size_t length) {
    // Avoid an integer overflow in the call to malloc below by limiting length
    // to a sane value.
    if (length >= (size_t)Value::maxInt)
        length = Value::maxInt - 1;

    char* newString = static_cast<char*>(OG_MALLOC(length + 1));
    if (newString == NULL) {
        throwRuntimeError(
            "in Json::Value::duplicateStringValue(): "
            "Failed to allocate string value buffer");
    }
    memcpy(newString, value, length);
    newString[length] = 0;
    return newString;
}

/* Record the length as a prefix.
 */