int main(int argc, char *argv[])
{
if(argc < 4) {
printf("need input\n");
exit(1);
}
FILE *fr = fopen(argv[1], "r");
FILE *fw = fopen(argv[2], "w");
char *line = NULL;
ssize_t read = 0;
size_t len = 0;
int hash = atoi(argv[3]);
unsigned long user_id, pos_id = 0;
double x = 0, y = 0;
char time[32] = {0};
char hash_id[64] = {0};
array_needsize(false, POOL, id_pool, pool_num, 10240, array_zero_init);
while((read = getline(&line, &len, fr)) != -1) {
if(hash == 0) {
sscanf(line, "%ld %s %lf %lf %ld", &user_id, time, &x, &y, &pos_id);
if(expect_false(x == 0 || y == 0 || pos_id == 0))
goto RESET;
pos_id = id_get(pos_id);
}
else {
sscanf(line, "%ld %s %lf %lf %s", &user_id, time, &x, &y, hash_id);
if(expect_false(x == 0 || y == 0 || hash_id[0] == 0))
goto RESET;
pos_id = id_get(BKDRHash(hash_id));
}
fprintf(fw, "%ld,%lf,%lf,%s,%ld\r\n", user_id, x, y, time, pos_id);
RESET:
x = 0;
y = 0;
time[0] = 0;
hash_id[0] = 0;
pos_id = 0;
}
fclose(fr);
fclose(fw);
free(id_pool);
id_pool = NULL;
return 0;
}
ev_feed_event (struct ev_loop *loop, void *w, int revents)
{
W w_ = (W)w;
if (likely(w_->pending))
loop->pendings [w_->pending - 1].events |= revents;
else
{
w_->pending = ++loop->pendingcnt ;
array_needsize (ANPENDING, loop->pendings, loop->pendingmax, w_->pending, EMPTY2);
loop->pendings [w_->pending - 1].w = w_;
loop->pendings [w_->pending - 1].events = revents;
}
}
static unsigned long id_get(unsigned int hash_id)
{
POOL key, *res;
key.hash_id = hash_id;
res = bsearch(&key, id_pool, pool_p, sizeof(POOL), cmp_id);
if(res)
return res->id;
if(expect_false(pool_p == pool_num))
array_needsize(false, POOL, id_pool, pool_num, pool_num + 128, array_zero_init);
id_pool[pool_p].hash_id = hash_id;
id_pool[pool_p].id = pool_p++;
qsort(id_pool, pool_p, sizeof(POOL), cmp_id);
return (pool_p - 1);
}
