void tdb_mmap(struct tdb_context *tdb)
{
+ int mmap_flags;
+
if (tdb->flags & TDB_INTERNAL)
return;
if (tdb->flags & TDB_NOMMAP)
return;
+ if ((tdb->open_flags & O_ACCMODE) == O_RDONLY)
+ mmap_flags = PROT_READ;
+ else
+ mmap_flags = PROT_READ | PROT_WRITE;
+
/* size_t can be smaller than off_t. */
if ((size_t)tdb->file->map_size == tdb->file->map_size) {
tdb->file->map_ptr = mmap(NULL, tdb->file->map_size,
- tdb->mmap_flags,
+ mmap_flags,
MAP_SHARED, tdb->file->fd, 0);
} else
tdb->file->map_ptr = MAP_FAILED;
void *p = tdb->methods->direct(tdb, off, len, true);
enum TDB_ERROR ecode = TDB_SUCCESS;
- assert(!tdb->read_only);
+ assert(!(tdb->flags & TDB_RDONLY));
if (TDB_PTR_IS_ERR(p)) {
return TDB_PTR_ERR(p);
}
{
enum TDB_ERROR ecode;
- if (tdb->read_only) {
+ if (tdb->flags & TDB_RDONLY) {
return tdb_logerr(tdb, TDB_ERR_RDONLY, TDB_LOG_USE_ERROR,
"Write to read-only database");
}
enum TDB_ERROR tdb_write_off(struct tdb_context *tdb,
tdb_off_t off, tdb_off_t val)
{
- if (tdb->read_only) {
+ if (tdb->flags & TDB_RDONLY) {
return tdb_logerr(tdb, TDB_ERR_RDONLY, TDB_LOG_USE_ERROR,
"Write to read-only database");
}
char buf[8192];
enum TDB_ERROR ecode;
- if (tdb->read_only) {
+ if (tdb->flags & TDB_RDONLY) {
return tdb_logerr(tdb, TDB_ERR_RDONLY, TDB_LOG_USE_ERROR,
"Expand on read-only database");
}
{
void *ret = NULL;
- if (tdb->read_only) {
+ if (tdb->flags & TDB_RDONLY) {
tdb_logerr(tdb, TDB_ERR_RDONLY, TDB_LOG_USE_ERROR,
"Write to read-only database");
return TDB_ERR_PTR(TDB_ERR_RDONLY);