Function getStringObjectSdsUsedMemory

src/networking.cpp:55–62

Return the amount of memory used by the sds string at object->ptr * for a string object. This includes internal fragmentation. */

/* Return the amount of memory used by the sds string at object->ptr
 * for a string object. This includes internal fragmentation. */
size_t getStringObjectSdsUsedMemory(robj *o) {
    serverAssertWithInfo(NULL,o,o->type == OBJ_STRING);
    switch(o->encoding) {
    case OBJ_ENCODING_RAW: return sdsZmallocSize((sds)ptrFromObj(o));
    case OBJ_ENCODING_EMBSTR: return zmalloc_size(allocPtrFromObj(o))-sizeof(robj);
    default: return 0; /* Just integer encoding for now. */
    }
}

/* Return the length of a string object.
 * This does NOT includes internal fragmentation or sds unused space. */