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#include <stdio.h>
#include <stdlib.h>
#include <whitedb/dbapi.h>
int main(int argc, char **argv) {
void *db, *rec, *lastrec;
wg_int enc;
int i;
db = wg_attach_database("1000", 1000000); /* 1MB should fill up fast */
if(!db) {
printf("ERR: Could not attach to database.\n");
exit(1);
}
lastrec = NULL;
for(i=0;;i++) {
char buf[20];
rec = wg_create_record(db, 1);
if(!rec) {
printf("ERR: Failed to create a record (made %d so far)\n", i);
break;
}
lastrec = rec;
sprintf(buf, "%d", i); /* better to use snprintf() in real applications */
enc = wg_encode_str(db, buf, NULL);
if(enc == WG_ILLEGAL) {
printf("ERR: Failed to encode a string (%d records currently)\n", i+1);
break;
}
if(wg_set_field(db, rec, 0, enc)) {
printf("ERR: This error is less likely, but wg_set_field() failed.\n");
break;
}
}
/* For educational purposes, let's pretend we're interested in what's
* stored in the last record.
*/
if(lastrec) {
char *str = wg_decode_str(db, wg_get_field(db, lastrec, 0));
if(!str) {
printf("ERR: Decoding the string field failed.\n");
if(wg_get_field_type(db, lastrec, 0) != WG_STRTYPE) {
printf("ERR: The field type is not string - "
"should have checked that first!\n");
}
}
}
wg_detach_database(db);
return 0;
}
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