/*
- * BabelTrace - Float Type Converter
+ * float.c
*
- * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * BabelTrace - Float Type Converter
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
+ * 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:
*
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * 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/types.h>
+#include <babeltrace/format.h>
-size_t float_copy(unsigned char *dest, const struct format *fdest,
- const unsigned char *src, const struct format *fsrc,
- const struct type_class *type_class)
+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(dest, float_class, src, float_class);
- return float_class->mantissa_len + float_class->exp_len;
+ fsrc->float_copy(destp, srcp, float_class);
} else {
double v;
- v = fsrc->double_read(src, fsrc);
- return fdest->double_write(dest, fdest, 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);
- float_class->p.name = g_quark_from_string(name);
- float_class->p.alignment = alignment;
- float_class->mantissa_len = mantissa_len;
- float_class->exp_len = exp_len;
+ 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) {
- g_free(float_class);
- return NULL;
- }
+ if (ret)
+ goto error_register;
}
return float_class;
-}
-void float_type_free(struct type_class_float *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;
}