4 * Enumeration mapping strings (quarks) from/to integers.
6 * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include <babeltrace/ctf/types.h>
27 GQuark
ctf_enum_read(const unsigned char *ptr
,
28 const struct type_class_enum
*src
)
30 struct type_class_bitfield
*bitfield_class
= &src
->p
;
31 struct type_class_integer
*int_class
= &bitfield_class
->p
;
33 if (!int_class
->signedness
) {
36 v
= ctf_bitfield_unsigned_read(src
,
37 bitfield_class
->start_offset
,
39 int_class
->byte_order
);
40 return enum_uint_to_quark(src
, v
);
44 v
= fsrc
->bitfield_signed_read(src
,
45 bitfield_class
->start_offset
,
47 int_class
->byte_order
);
48 return enum_int_to_quark(src
, v
);
52 size_t ctf_enum_write(unsigned char *ptr
, const struct type_class_enum
*dest
,
55 struct type_class_bitfield
*bitfield_class
= &dest
->p
;
56 struct type_class_integer
*int_class
= &bitfield_class
->p
;
58 if (!int_class
->signedness
) {
61 v
= enum_quark_to_uint(dest
, q
);
62 return ctf_bitfield_unsigned_write(src
,
63 bitfield_class
->start_offset
,
65 int_class
->byte_order
, v
);
69 v
= enum_quark_to_int(dest
, q
);
70 return ctf_bitfield_signed_write(src
,
71 bitfield_class
->start_offset
,
73 int_class
->byte_order
, v
);
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