/* Zero vs non-zero is the same unconverted: minor optimization. */
val = tdb_access_read(tdb, base + start * sizeof(tdb_off_t),
(end - start) * sizeof(tdb_off_t), false);
/* Zero vs non-zero is the same unconverted: minor optimization. */
val = tdb_access_read(tdb, base + start * sizeof(tdb_off_t),
(end - start) * sizeof(tdb_off_t), false);
/* Zero vs non-zero is the same unconverted: minor optimization. */
val = tdb_access_read(tdb, off, num * sizeof(tdb_off_t), false);
/* Zero vs non-zero is the same unconverted: minor optimization. */
val = tdb_access_read(tdb, off, num * sizeof(tdb_off_t), false);
if (likely(!(tdb->flags & TDB_CONVERT))) {
tdb_off_t *p = tdb->methods->direct(tdb, off, sizeof(*p),
false);
if (likely(!(tdb->flags & TDB_CONVERT))) {
tdb_off_t *p = tdb->methods->direct(tdb, off, sizeof(*p),
false);
if (likely(!(tdb->flags & TDB_CONVERT))) {
tdb_off_t *p = tdb->methods->direct(tdb, off, sizeof(*p),
true);
if (likely(!(tdb->flags & TDB_CONVERT))) {
tdb_off_t *p = tdb->methods->direct(tdb, off, sizeof(*p),
true);
tdb_logerr(tdb, TDB_ERR_OOM, TDB_LOG_USE_ERROR,
"tdb_alloc_read malloc failed len=%zu",
(size_t)(prefix + len));
tdb_logerr(tdb, TDB_ERR_OOM, TDB_LOG_USE_ERROR,
"tdb_alloc_read malloc failed len=%zu",
(size_t)(prefix + len));
} else {
ecode = tdb->methods->tread(tdb, offset, buf+prefix, len);
if (unlikely(ecode != TDB_SUCCESS)) {
} else {
ecode = tdb->methods->tread(tdb, offset, buf+prefix, len);
if (unlikely(ecode != TDB_SUCCESS)) {
ret = tdb->methods->direct(tdb, off, len, false);
ret = tdb->methods->direct(tdb, off, len, false);
if (!ret) {
struct tdb_access_hdr *hdr;
hdr = _tdb_alloc_read(tdb, off, len, sizeof(*hdr));
if (!ret) {
struct tdb_access_hdr *hdr;
hdr = _tdb_alloc_read(tdb, off, len, sizeof(*hdr));
- if (hdr) {
- hdr->next = tdb->access;
- tdb->access = hdr;
- ret = hdr + 1;
- if (convert)
- tdb_convert(tdb, (void *)ret, len);
+ if (TDB_PTR_IS_ERR(hdr)) {
+ return hdr;
+ }
+ hdr->next = tdb->access;
+ tdb->access = hdr;
+ ret = hdr + 1;
+ if (convert) {
+ tdb_convert(tdb, (void *)ret, len);
if (tdb->read_only) {
tdb_logerr(tdb, TDB_ERR_RDONLY, TDB_LOG_USE_ERROR,
"Write to read-only database");
if (tdb->read_only) {
tdb_logerr(tdb, TDB_ERR_RDONLY, TDB_LOG_USE_ERROR,
"Write to read-only database");
ret = tdb->methods->direct(tdb, off, len, true);
ret = tdb->methods->direct(tdb, off, len, true);
if (!ret) {
struct tdb_access_hdr *hdr;
hdr = _tdb_alloc_read(tdb, off, len, sizeof(*hdr));
if (!ret) {
struct tdb_access_hdr *hdr;
hdr = _tdb_alloc_read(tdb, off, len, sizeof(*hdr));
- if (hdr) {
- hdr->next = tdb->access;
- tdb->access = hdr;
- hdr->off = off;
- hdr->len = len;
- hdr->convert = convert;
- ret = hdr + 1;
- if (convert)
- tdb_convert(tdb, (void *)ret, len);
+ if (TDB_PTR_IS_ERR(hdr)) {
+ return hdr;
static void *tdb_direct(struct tdb_context *tdb, tdb_off_t off, size_t len,
bool write_mode)
{
static void *tdb_direct(struct tdb_context *tdb, tdb_off_t off, size_t len,
bool write_mode)
{
- if (unlikely(tdb_oob(tdb, off + len, true) != TDB_SUCCESS))
- return NULL;
+ ecode = tdb_oob(tdb, off + len, true);
+ if (unlikely(ecode != TDB_SUCCESS))
+ return TDB_ERR_PTR(ecode);