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Made sure all erlang binary signed/unsigned integers match up with C data types

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through the control function.
This commit is contained in:
Jon Meredith 2009-02-12 13:20:14 -07:00
parent d3dba23aed
commit 552f2ac89a
2 changed files with 26 additions and 26 deletions
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2
c_src/bdberl_drv.c
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@ -562,7 +562,7 @@ static int bdberl_drv_control(ErlDrvData handle, unsigned int cmd,
// Inbuf is << DbRef:32, Flags:32 >>
int dbref = UNPACK_INT(inbuf, 0);
int flags = UNPACK_INT(inbuf, 4);
unsigned int flags = UNPACK_INT(inbuf, 4);
// Make sure we have a reference to the requested database
if (has_dbref(d, dbref))

50
src/bdberl.erl
View file

@ -39,11 +39,11 @@ open(Name, Type, Opts) ->
hash -> TypeCode = ?DB_TYPE_HASH
end,
Flags = process_flags(lists:umerge(Opts, [auto_commit, threaded])),
Cmd = <<Flags:32/unsigned-native-integer, TypeCode:8/native-integer, (list_to_binary(Name))/bytes, 0:8/native-integer>>,
Cmd = <<Flags:32/native, TypeCode:8/signed-native, (list_to_binary(Name))/bytes, 0:8/native>>,
case erlang:port_control(get_port(), ?CMD_OPEN_DB, Cmd) of
<<?STATUS_OK:8, Db:32/native>> ->
<<?STATUS_OK:8, Db:32/signed-native>> ->
{ok, Db};
<<?STATUS_ERROR:8, Errno:32/native>> ->
<<?STATUS_ERROR:8, Errno:32/signed-native>> ->
{error, Errno}
end.
@ -52,8 +52,8 @@ close(Db) ->
close(Db, Opts) ->
Flags = process_flags(Opts),
Cmd = <<Db:32/native-integer, Flags:32/unsigned-native-integer>>,
<<Rc:32/native-signed>> = erlang:port_control(get_port(), ?CMD_CLOSE_DB, Cmd),
Cmd = <<Db:32/signed-native, Flags:32/native>>,
<<Rc:32/signed-native>> = erlang:port_control(get_port(), ?CMD_CLOSE_DB, Cmd),
case decode_rc(Rc) of
ok ->
ok;
@ -66,8 +66,8 @@ txn_begin() ->
txn_begin(Opts) ->
Flags = process_flags(Opts),
Cmd = <<Flags:32/unsigned-native>>,
<<Result:32/native-signed>> = erlang:port_control(get_port(), ?CMD_TXN_BEGIN, Cmd),
Cmd = <<Flags:32/native>>,
<<Result:32/signed-native>> = erlang:port_control(get_port(), ?CMD_TXN_BEGIN, Cmd),
case decode_rc(Result) of
ok -> ok;
Error -> {error, {txn_begin, Error}}
@ -78,8 +78,8 @@ txn_commit() ->
txn_commit(Opts) ->
Flags = process_flags(Opts),
Cmd = <<Flags:32/unsigned-native>>,
<<Result:32/native-signed>> = erlang:port_control(get_port(), ?CMD_TXN_COMMIT, Cmd),
Cmd = <<Flags:32/native>>,
<<Result:32/signed-native>> = erlang:port_control(get_port(), ?CMD_TXN_COMMIT, Cmd),
case decode_rc(Result) of
ok ->
receive
@ -91,7 +91,7 @@ txn_commit(Opts) ->
end.
txn_abort() ->
<<Result:32/native-signed>> = erlang:port_control(get_port(), ?CMD_TXN_ABORT, <<>>),
<<Result:32/signed-native>> = erlang:port_control(get_port(), ?CMD_TXN_ABORT, <<>>),
case decode_rc(Result) of
ok ->
receive
@ -169,8 +169,8 @@ get(Db, Key) ->
get(Db, Key, Opts) ->
{KeyLen, KeyBin} = to_binary(Key),
Flags = process_flags(Opts),
Cmd = <<Db:32/native, Flags:32/unsigned-native, KeyLen:32/native, KeyBin/bytes>>,
<<Result:32/native-signed>> = erlang:port_control(get_port(), ?CMD_GET, Cmd),
Cmd = <<Db:32/signed-native, Flags:32/native, KeyLen:32/native, KeyBin/bytes>>,
<<Result:32/signed-native>> = erlang:port_control(get_port(), ?CMD_GET, Cmd),
case decode_rc(Result) of
ok ->
receive
@ -214,8 +214,8 @@ truncate() ->
truncate(-1).
truncate(Db) ->
Cmd = <<Db:32/native>>,
<<Result:32/native-signed>> = erlang:port_control(get_port(), ?CMD_TRUNCATE, Cmd),
Cmd = <<Db:32/signed-native>>,
<<Result:32/signed-native>> = erlang:port_control(get_port(), ?CMD_TRUNCATE, Cmd),
case decode_rc(Result) of
ok ->
receive
@ -228,8 +228,8 @@ truncate(Db) ->
end.
cursor_open(Db) ->
Cmd = <<Db:32/native, 0:32/native>>,
<<Rc:32/native-signed>> = erlang:port_control(get_port(), ?CMD_CURSOR_OPEN, Cmd),
Cmd = <<Db:32/signed-native, 0:32/native>>,
<<Rc:32/signed-native>> = erlang:port_control(get_port(), ?CMD_CURSOR_OPEN, Cmd),
case decode_rc(Rc) of
ok ->
ok;
@ -248,7 +248,7 @@ cursor_current() ->
do_cursor_move(?CMD_CURSOR_CURR).
cursor_close() ->
<<Rc:32/native-signed>> = erlang:port_control(get_port(), ?CMD_CURSOR_CLOSE, <<>>),
<<Rc:32/signed-native>> = erlang:port_control(get_port(), ?CMD_CURSOR_CLOSE, <<>>),
case decode_rc(Rc) of
ok ->
ok;
@ -258,7 +258,7 @@ cursor_close() ->
delete_database(Filename) ->
Cmd = <<(list_to_binary(Filename))/binary, 0:8>>,
<<Rc:32/native-signed>> = erlang:port_control(get_port(), ?CMD_REMOVE_DB, Cmd),
<<Rc:32/signed-native>> = erlang:port_control(get_port(), ?CMD_REMOVE_DB, Cmd),
case decode_rc(Rc) of
ok ->
ok;
@ -269,7 +269,7 @@ delete_database(Filename) ->
get_data_dirs() ->
%% Call into the BDB library and get a list of configured data directories
Cmd = <<?SYSP_DATA_DIR_GET:32/native>>,
Cmd = <<?SYSP_DATA_DIR_GET:32/signed-native>>,
<<Result:32/signed-native, Rest/bytes>> = erlang:port_control(get_port(), ?CMD_TUNE, Cmd),
case decode_rc(Result) of
ok ->
@ -286,7 +286,7 @@ get_data_dirs() ->
end.
get_cache_size() ->
Cmd = <<?SYSP_CACHESIZE_GET:32/native>>,
Cmd = <<?SYSP_CACHESIZE_GET:32/signed-native>>,
<<Result:32/signed-native, Gbytes:32/native, Bytes:32/native, Ncaches:32/native>> =
erlang:port_control(get_port(), ?CMD_TUNE, Cmd),
case Result of
@ -297,7 +297,7 @@ get_cache_size() ->
end.
get_txn_timeout() ->
Cmd = <<?SYSP_TXN_TIMEOUT_GET:32/native>>,
Cmd = <<?SYSP_TXN_TIMEOUT_GET:32/signed-native>>,
<<Result:32/signed-native, Timeout:32/native>> = erlang:port_control(get_port(), ?CMD_TUNE, Cmd),
case Result of
0 ->
@ -307,7 +307,7 @@ get_txn_timeout() ->
end.
set_txn_timeout(Timeout) ->
Cmd = <<?SYSP_TXN_TIMEOUT_SET:32/native, Timeout:32/native>>,
Cmd = <<?SYSP_TXN_TIMEOUT_SET:32/signed-native, Timeout:32/native>>,
<<Result:32/signed-native>> = erlang:port_control(get_port(), ?CMD_TUNE, Cmd),
case Result of
0 ->
@ -409,8 +409,8 @@ do_put(Action, Db, Key, Value, Opts) ->
{KeyLen, KeyBin} = to_binary(Key),
{ValLen, ValBin} = to_binary(Value),
Flags = process_flags(Opts),
Cmd = <<Db:32/native, Flags:32/unsigned-native, KeyLen:32/native, KeyBin/bytes, ValLen:32/native, ValBin/bytes>>,
<<Result:32/native>> = erlang:port_control(get_port(), Action, Cmd),
Cmd = <<Db:32/signed-native, Flags:32/native, KeyLen:32/native, KeyBin/bytes, ValLen:32/native, ValBin/bytes>>,
<<Result:32/signed-native>> = erlang:port_control(get_port(), Action, Cmd),
case decode_rc(Result) of
ok ->
receive
@ -427,7 +427,7 @@ do_put(Action, Db, Key, Value, Opts) ->
%% Move the cursor in a given direction. Invoked by cursor_next/prev/current.
%%
do_cursor_move(Direction) ->
<<Rc:32/native-signed>> = erlang:port_control(get_port(), Direction, <<>>),
<<Rc:32/signed-native>> = erlang:port_control(get_port(), Direction, <<>>),
case decode_rc(Rc) of
ok ->
receive