solv_chksum_add
solv_chksum_add(chk, sq.str[i], strlen(sq.str[i]) + 1);
solv_chksum_add(chk, sq.str[i], strlen(sq.str[i]) + 1);
solv_chksum_add(chk, s, strlen(s) + 1);
void solv_chksum_add(void *handle, const void *data, int len);