Function sdsAllocSize

app/redis-6.2.6/src/sds.c:334–337

Return the total size of the allocation of the specified sds string, * including: * 1) The sds header before the pointer. * 2) The string. * 3) The free buffer at the end if any. * 4) The implicit null term. */

 * 4) The implicit null term.
 */
size_t sdsAllocSize(sds s) {
    size_t alloc = sdsalloc(s);
    return sdsHdrSize(s[-1])+alloc+1;
}

/* Return the pointer of the actual SDS allocation (normally SDS strings
 * are referenced by the start of the string buffer). */