+++ /dev/null
-/*
- * float.c
- *
- * BabelTrace - Float Type Converter
- *
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- */
-
-#include <babeltrace/compiler.h>
-#include <babeltrace/format.h>
-
-void float_copy(struct stream_pos *destp,
- const struct format *fdest,
- struct stream_pos *srcp,
- const struct format *fsrc,
- const struct type_class *type_class)
-{
- struct type_class_float *float_class =
- container_of(type_class, struct type_class_float, p);
-
- if (fsrc->float_copy == fdest->float_copy) {
- fsrc->float_copy(destp, srcp, float_class);
- } else {
- double v;
-
- v = fsrc->double_read(srcp, float_class);
- fdest->double_write(destp, float_class, v);
- }
-}
-
-void float_type_free(struct type_class_float *float_class)
-{
- integer_type_free(float_class->exp);
- integer_type_free(float_class->mantissa);
- integer_type_free(float_class->sign);
- g_free(float_class);
-}
-
-static void _float_type_free(struct type_class *type_class)
-{
- struct type_class_float *float_class =
- container_of(type_class, struct type_class_float, p);
- float_type_free(float_class);
-}
-
-struct type_class_float *float_type_new(const char *name,
- size_t mantissa_len,
- size_t exp_len, int byte_order,
- size_t alignment)
-{
- struct type_class_float *float_class;
- struct type_class_integer *int_class;
- struct type_class *type_class;
- int ret;
-
- float_class = g_new(struct type_class_float, 1);
- type_class = &float_class->p;
-
- type_class->name = g_quark_from_string(name);
- type_class->alignment = alignment;
- type_class->copy = float_copy;
- type_class->free = _float_type_free;
- type_class->ref = 1;
- float_class->byte_order = byte_order;
-
- float_class->sign = integer_type_new(NULL, 1,
- byte_order, false, 1);
- if (!float_class->mantissa)
- goto error_sign;
- float_class->mantissa = integer_type_new(NULL, mantissa_len - 1,
- byte_order, false, 1);
- if (!float_class->mantissa)
- goto error_mantissa;
- float_class->exp = integer_type_new(NULL, exp_len,
- byte_order, true, 1);
- if (!float_class->exp)
- goto error_exp;
-
- if (float_class->p.name) {
- ret = ctf_register_type(&float_class->p);
- if (ret)
- goto error_register;
- }
- return float_class;
-
-error_register:
- integer_type_free(float_class->exp);
-error_exp:
- integer_type_free(float_class->mantissa);
-error_mantissa:
- integer_type_free(float_class->sign);
-error_sign:
- g_free(float_class);
- return NULL;
-}