Function sdsfree

app/redis-6.2.6/src/sds.c:194–197

Free an sds string. No operation is performed if 's' is NULL. */

/* Free an sds string. No operation is performed if 's' is NULL. */
void sdsfree(sds s) {
    if (s == NULL) return;
    s_free((char*)s-sdsHdrSize(s[-1]));
}

/* Set the sds string length to the length as obtained with strlen(), so
 * considering as content only up to the first null term character.