2 * BabelTrace - Integer Type Converter
4 * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <babeltrace/compiler.h>
22 #include <babeltrace/align.h>
25 size_t integer_copy(unsigned char *dest
, const struct format
*fdest
,
26 const unsigned char *src
, const struct format
*fsrc
,
27 const struct type_class
*type_class
)
29 struct type_class_integer
*int_class
=
30 container_of(type_class
, struct type_class_integer
, p
);
32 if (fsrc
->p
.alignment
)
33 src
= PTR_ALIGN(src
, fsrc
->p
.alignment
/ CHAR_BIT
);
34 if (fdest
->p
.alignment
)
35 dest
= PTR_ALIGN(dest
, fdest
->p
.alignment
/ CHAR_BIT
);
37 if (!int_class
->signedness
) {
40 v
= fsrc
->uint_read(src
, int_class
->len
, int_class
->byte_order
);
41 return fdest
->uint_write(dest
, int_class
->len
, int_class
->byte_order
, v
);
45 v
= fsrc
->int_read(src
, int_class
->len
, int_class
->byte_order
);
46 return fdest
->int_write(dest
, int_class
->len
, int_class
->byte_order
, v
);
50 int integer_type_new(const char *name
, size_t alignment
, size_t len
,
51 int byte_order
, int signedness
)
53 struct type_class_integer int_class
;
57 * Freed when type is unregistered.
59 int_class
= g_new(struct type_class_integer
, 1);
60 int_class
->p
.name
= g_quark_from_string(name
);
61 int_class
->p
.alignment
= alignment
;
62 int_class
->p
.copy
= integer_copy
;
64 int_class
->byte_order
= byte_order
;
65 int_class
->signedness
= signedness
;
66 ret
= ctf_register_type(&int_class
.p
);
72 /* TODO: integer_type_free */