// Open a shared dictionary.
static Dt_t *opendictionary(Mydisc_t *dc) {
// Discipline for objects identified by their decimal values.
dc->disc.key = DTOFFSET(Obj_t, value);
dc->disc.size = sizeof(int);
dc->disc.link = -1;
dc->disc.makef = NULL;
dc->disc.freef = NULL;
dc->disc.comparf = mycompare;
dc->disc.hashf = myhash;
dc->disc.memoryf = mymemory;
dc->disc.eventf = NULL;
Dt_t *dt = dtopen(&dc->disc, Dtrhset); // open dictionary with hash-trie
if (!dt) terror("Can't open dictionary");
dtcustomize(dt, DT_SHARE, 1); // turn on concurrent access mode
return dt;
}
/* test the various insertion strategies */
typedef struct _obj_s
{ Dtlink_t link;
int key;
} Obj_t;
static int intcompare(Dt_t* dt, Void_t* arg1, Void_t* arg2, Dtdisc_t* disc)
{
int *o1 = (int*)arg1;
int *o2 = (int*)arg2;
return *o1 - *o2;
}
Dtdisc_t Disc =
{ DTOFFSET(Obj_t, key), sizeof(int),
DTOFFSET(Obj_t, link),
0, 0, intcompare, 0, 0, 0
};
tmain()
{
Obj_t obj, chk1, chk2, chk22;
Dt_t *dt;
obj.key = 1;
chk1.key = 1;
chk2.key = 2;
chk22.key = 2;
if(!(dt = dtopen(&Disc, Dtoset)) )
typedef struct _obj_s {
Dtlink_t link;
int key;
} Obj_t;
static int intcompare(Dt_t *dt, void *arg1, void *arg2, Dtdisc_t *disc) {
UNUSED(dt);
UNUSED(disc);
int *o1 = (int *)arg1;
int *o2 = (int *)arg2;
return *o1 - *o2;
}
Dtdisc_t Disc = {
DTOFFSET(Obj_t, key), sizeof(int), DTOFFSET(Obj_t, link), 0, 0, intcompare, 0, 0, 0};
tmain() {
UNUSED(argc);
UNUSED(argv);
Obj_t obj, chk1, chk2, chk22;
Dt_t *dt;
obj.key = 1;
chk1.key = 1;
chk2.key = 2;
chk22.key = 2;
if (!(dt = dtopen(&Disc, Dtoset))) terror("Can't open Dtoset dictionary");
if (dtinsert(dt, &obj) != &obj) terror("dtinsert failed");
if (dtinsert(dt, &chk1) != &obj) terror("dtinsert should have returned obj");
