4 * BabelTrace - Float Type Converter
6 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
19 #include <babeltrace/compiler.h>
20 #include <babeltrace/format.h>
22 void float_copy(struct stream_pos
*destp
,
23 const struct format
*fdest
,
24 struct stream_pos
*srcp
,
25 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(destp
, srcp
, float_class
);
36 v
= fsrc
->double_read(srcp
, float_class
);
37 fdest
->double_write(destp
, float_class
, v
);
41 void float_type_free(struct type_class_float
*float_class
)
43 integer_type_free(float_class
->exp
);
44 integer_type_free(float_class
->mantissa
);
45 integer_type_free(float_class
->sign
);
49 static void _float_type_free(struct type_class
*type_class
)
51 struct type_class_float
*float_class
=
52 container_of(type_class
, struct type_class_float
, p
);
53 float_type_free(float_class
);
56 struct type_class_float
*float_type_new(const char *name
,
58 size_t exp_len
, int byte_order
,
61 struct type_class_float
*float_class
;
62 struct type_class_integer
*int_class
;
63 struct type_class
*type_class
;
66 float_class
= g_new(struct type_class_float
, 1);
67 type_class
= &float_class
->p
;
69 type_class
->name
= g_quark_from_string(name
);
70 type_class
->alignment
= alignment
;
71 type_class
->copy
= float_copy
;
72 type_class
->free
= _float_type_free
;
74 float_class
->byte_order
= byte_order
;
76 float_class
->sign
= integer_type_new(NULL
, 1,
77 byte_order
, false, 1);
78 if (!float_class
->mantissa
)
80 float_class
->mantissa
= integer_type_new(NULL
, mantissa_len
- 1,
81 byte_order
, false, 1);
82 if (!float_class
->mantissa
)
84 float_class
->exp
= integer_type_new(NULL
, exp_len
,
86 if (!float_class
->exp
)
89 if (float_class
->p
.name
) {
90 ret
= ctf_register_type(&float_class
->p
);
97 integer_type_free(float_class
->exp
);
99 integer_type_free(float_class
->mantissa
);
101 integer_type_free(float_class
->sign
);
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