2 * BabelTrace - Float 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/types.h>
24 void float_copy(struct stream_pos
*dest
, const struct format
*fdest
,
25 struct stream_pos
*src
, const struct format
*fsrc
,
26 const struct type_class
*type_class
)
28 struct type_class_float
*float_class
=
29 container_of(type_class
, struct type_class_float
, p
);
31 if (fsrc
->float_copy
== fdest
->float_copy
) {
32 fsrc
->float_copy(dest
, src
, float_class
);
36 v
= fsrc
->double_read(src
, float_class
);
37 fdest
->double_write(dest
, float_class
, v
);
41 void float_type_free(struct type_class_float
*float_class
)
46 static void _float_type_free(struct type_class
*type_class
)
48 struct type_class_float
*float_class
=
49 container_of(type_class
, struct type_class_float
, p
);
50 float_type_free(float_class
);
53 struct type_class_float
*float_type_new(const char *name
,
55 size_t exp_len
, int byte_order
,
58 struct type_class_float
*float_class
;
59 struct type_class_bitfield
*bitfield_class
;
60 struct type_class_integer
*int_class
;
61 struct type_class
*type_class
;
64 float_class
= g_new(struct type_class_float
, 1);
65 type_class
= &float_class
->p
;
67 type_class
->name
= g_quark_from_string(name
);
68 type_class
->alignment
= alignment
;
69 type_class
->copy
= float_copy
;
70 type_class
->free
= _float_type_free
;
71 float_class
->byte_order
= byte_order
;
73 float_class
->sign
= bitfield_type_new(NULL
, 1,
74 byte_order
, false, 1);
75 if (!float_class
->mantissa
)
77 float_class
->mantissa
= bitfield_type_new(NULL
, mantissa_len
- 1,
78 byte_order
, false, 1);
79 if (!float_class
->mantissa
)
81 float_class
->exp
= bitfield_type_new(NULL
, exp_len
,
83 if (!float_class
->exp
)
86 if (float_class
->p
.name
) {
87 ret
= ctf_register_type(&float_class
->p
);
94 bitfield_type_free(float_class
->exp
);
96 bitfield_type_free(float_class
->mantissa
);
98 bitfield_type_free(float_class
->sign
);
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