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Add _del routine, use common fetch/store/delete.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3292 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1997-08-30 19:29:05 +00:00
parent b09d59f7ba
commit a2a09b5eab
2 changed files with 52 additions and 115 deletions
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61
lib/hdb/db.c
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@@ -93,17 +93,6 @@ DB_op(krb5_context context, HDB *db, hdb_entry *entry, int op)
db->unlock(context, db); /* XXX check value */
break;
case 1:
hdb_entry2value(context, entry, &data);
value.data = data.data;
value.size = data.length;
code = db->lock(context, db, HDB_WLOCK);
if(code)
return code;
code = d->put(d, &key, &value, 0);
db->unlock(context, db); /* XXX check value */
krb5_data_free(&data);
break;
case 2:
code = db->lock(context, db, HDB_WLOCK);
if(code)
return code;
@@ -117,7 +106,10 @@ DB_op(krb5_context context, HDB *db, hdb_entry *entry, int op)
if(code < 0)
return errno;
if(code == 1)
return HDB_ERR_NOENTRY;
if(op == 2)
return HDB_ERR_EXISTS;
else
return HDB_ERR_NOENTRY;
if(op == 0){
data.data = value.data;
data.length = value.size;
@@ -126,24 +118,6 @@ DB_op(krb5_context context, HDB *db, hdb_entry *entry, int op)
return 0;
}
static krb5_error_code
DB_fetch(krb5_context context, HDB *db, hdb_entry *entry)
{
return DB_op(context, db, entry, 0);
}
static krb5_error_code
DB_store(krb5_context context, HDB *db, hdb_entry *entry)
{
return DB_op(context, db, entry, 1);
}
static krb5_error_code
DB_delete(krb5_context context, HDB *db, hdb_entry *entry)
{
return DB_op(context, db, entry, 2);
}
static krb5_error_code
DB_seq(krb5_context context, HDB *db, hdb_entry *entry, int flag)
{
@@ -256,6 +230,26 @@ DB__put(krb5_context context, HDB *db, int replace,
return 0;
}
static krb5_error_code
DB__del(krb5_context context, HDB *db, krb5_data key)
{
DB *d = (DB*)db->db;
DBT k;
krb5_error_code code;
k.data = key.data;
k.size = key.length;
code = db->lock(context, db, HDB_WLOCK);
if(code)
return code;
code = d->del(d, &k, 0);
db->unlock(context, db);
if(code == 1)
return HDB_ERR_NOENTRY;
if(code < 0)
return errno;
return 0;
}
krb5_error_code
hdb_db_open(krb5_context context, HDB **db,
const char *filename, int flags, mode_t mode)
@@ -271,9 +265,9 @@ hdb_db_open(krb5_context context, HDB **db,
(*db)->db = d;
(*db)->name = strdup(filename);
(*db)->close = DB_close;
(*db)->fetch = DB_fetch;
(*db)->store = DB_store;
(*db)->delete = DB_delete;
(*db)->fetch = _hdb_fetch;
(*db)->store = _hdb_store;
(*db)->delete = _hdb_delete;
(*db)->firstkey = DB_firstkey;
(*db)->nextkey= DB_nextkey;
(*db)->lock = DB_lock;
@@ -281,6 +275,7 @@ hdb_db_open(krb5_context context, HDB **db,
(*db)->rename = DB_rename;
(*db)->_get = DB__get;
(*db)->_put = DB__put;
(*db)->_del = DB__del;
return 0;
}