int main(void)
{
char *data;
PureDB db;
off_t retpos;
size_t retlen;
int err;
if (puredb_open(&db, "puredb.pdb") != 0) {
perror("Can't open the database");
goto end;
}
if ((err = puredb_find_s(&db, "key42", &retpos, &retlen)) != 0) {
fprintf(stderr, "The key wasn't found [err=%d]\n", err);
goto end;
}
if ((data = puredb_read(&db, retpos, retlen)) != NULL) {
printf("The maching data is : [%s]\n", data);
puredb_read_free(data);
}
end:
if (puredb_close(&db) != 0) {
perror("The database couldn't be properly closed");
}
return 0;
}
int main(void)
{
char key[42];
char data[42];
unsigned long long curkey = 0ULL;
unsigned long long nbrec = 0ULL;
PureDBW dbw;
PureDB db;
off_t retpos;
size_t retlen;
char *founddata;
int pass = 0;
unsigned int seed = 0U;
unsigned int randomrounds = 42000;
printf("Starting regression tests\n\nDatabase creation (wait) ... ");
fflush(stdout);
if (puredbw_open(&dbw, "puredb.index", "puredb.data", "puredb.pdb") != 0) {
perror("Can't create the database");
goto end;
}
seed = (unsigned int) time(NULL);
srand(seed);
do {
curkey += (rand() & 0x4fff);
snprintf(key, sizeof key, "%llu", curkey);
snprintf(data, sizeof data, "%llu", curkey ^ 0x12345678abcdefULL);
if (puredbw_add_s(&dbw, key, data) != 0) {
goto end;
}
nbrec++;
} while (curkey < (unsigned long long) 0xfffffff0);
if (puredbw_close(&dbw) != 0) {
goto end;
}
pass++;
end:
puredbw_free(&dbw);
if (pass == 0) {
puts("Failure :(");
unlink("puredb.index");
unlink("puredb.data");
unlink("puredb.pdb");
return -1;
} else {
printf("Success! %llu records have been written\n", nbrec);
pass = 0;
}
printf("Database lookups (wait) ... ");
fflush(stdout);
if (puredb_open(&db, "puredb.pdb") != 0) {
perror("Can't open the database");
goto end2;
}
curkey = 0ULL;
srand(seed);
do {
curkey += (rand() & 0x4fff);
snprintf(key, sizeof key, "%llu", curkey);
snprintf(data, sizeof data, "%llu", curkey ^ 0x12345678abcdefULL);
if (puredb_find_s(&db, key, &retpos, &retlen) != 0) {
fprintf(stderr, "The key wasn't found\n");
goto end2;
}
if ((founddata = puredb_read(&db, retpos, retlen)) != NULL) {
if (strcmp(founddata, data) != 0) {
fprintf(stderr, "Wrong data\n");
goto end2;
}
puredb_read_free(founddata);
}
} while (curkey < 0xfffffff0);
printf("also trying non-existent data ... ");
fflush(stdout);
do {
curkey <<= 1;
curkey ^= (unsigned long long) rand();
snprintf(key, sizeof key, "%llu", curkey);
if (puredb_find_s(&db, key, &retpos, &retlen) == 0) {
founddata = puredb_read(&db, retpos, retlen);
puredb_read_free(founddata);
}
randomrounds--;
} while (randomrounds > 0U);
pass++;
end2:
if (puredb_close(&db) != 0) {
perror("The database couldn't be properly closed");
}
unlink("puredb.pdb");
if (pass == 0) {
puts("Failure :(");
return -1;
} else {
puts("Success!");
}
return 0;
}