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#include "ntdb-source.h"
#include "tap-interface.h"
#include "logging.h"
/* The largest 32-bit value which is still a multiple of NTDB_PGSIZE */
#define ALMOST_4G ((uint32_t)-NTDB_PGSIZE)
/* And this pushes it over 32 bits */
#define A_LITTLE_BIT (NTDB_PGSIZE * 2)
int main(int argc, char *argv[])
{
unsigned int i;
struct ntdb_context *ntdb;
int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
NTDB_CONVERT,
NTDB_NOMMAP|NTDB_CONVERT };
if (sizeof(off_t) <= 4) {
plan_tests(1);
pass("No 64 bit off_t");
return exit_status();
}
plan_tests(sizeof(flags) / sizeof(flags[0]) * 16);
for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
off_t old_size;
NTDB_DATA k, d;
struct hash_info h;
struct ntdb_used_record rec;
ntdb_off_t off;
ntdb = ntdb_open("run-64-bit-ntdb.ntdb", flags[i],
O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
ok1(ntdb);
if (!ntdb)
continue;
old_size = ntdb->file->map_size;
/* Add a fake record to chew up the existing free space. */
k = ntdb_mkdata("fake", 4);
d.dsize = ntdb->file->map_size
- NEW_DATABASE_HDR_SIZE(ntdb->hash_bits) - 8;
d.dptr = malloc(d.dsize);
memset(d.dptr, 0, d.dsize);
ok1(ntdb_store(ntdb, k, d, NTDB_INSERT) == 0);
ok1(ntdb->file->map_size == old_size);
free(d.dptr);
/* This makes a sparse file */
ok1(ftruncate(ntdb->file->fd, ALMOST_4G) == 0);
ok1(add_free_record(ntdb, old_size, ALMOST_4G - old_size,
NTDB_LOCK_WAIT, false) == NTDB_SUCCESS);
/* Now add a little record past the 4G barrier. */
ok1(ntdb_expand_file(ntdb, A_LITTLE_BIT) == NTDB_SUCCESS);
ok1(add_free_record(ntdb, ALMOST_4G, A_LITTLE_BIT,
NTDB_LOCK_WAIT, false)
== NTDB_SUCCESS);
ok1(ntdb_check(ntdb, NULL, NULL) == NTDB_SUCCESS);
/* Test allocation path. */
k = ntdb_mkdata("key", 4);
d = ntdb_mkdata("data", 5);
ok1(ntdb_store(ntdb, k, d, NTDB_INSERT) == 0);
ok1(ntdb_check(ntdb, NULL, NULL) == NTDB_SUCCESS);
/* Make sure it put it at end as we expected. */
off = find_and_lock(ntdb, k, F_RDLCK, &h, &rec, NULL);
ok1(off >= ALMOST_4G);
ntdb_unlock_hash(ntdb, h.h, F_RDLCK);
ok1(ntdb_fetch(ntdb, k, &d) == 0);
ok1(d.dsize == 5);
ok1(strcmp((char *)d.dptr, "data") == 0);
free(d.dptr);
ok1(ntdb_delete(ntdb, k) == 0);
ok1(ntdb_check(ntdb, NULL, NULL) == NTDB_SUCCESS);
ntdb_close(ntdb);
}
/* We might get messages about mmap failing, so don't test
* tap_log_messages */
return exit_status();
}
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