Relicense BabelTrace library to MIT (BSD-style)

[babeltrace.git] / types / float.c

diff --git a/types/float.c b/types/float.c
index e42daa162170c39d388caba940178da3e4ea14db..b3e0dc1cfc3808c27ebf16ee8be6e731a91a39f0 100644 (file)
--- a/types/float.c
+++ b/types/float.c
@@ -1,46 +1,46 @@
 /*
- * 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>
 
-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 *dest, const struct format *fdest, 
+               struct stream_pos *src, 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(dest, src, float_class);
        } else {
                double v;
 
-               v = fsrc->double_read(src, fsrc);
-               return fdest->double_write(dest, fdest, v);
+               v = fsrc->double_read(src, float_class);
+               fdest->double_write(dest, 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);
 }
 
@@ -57,22 +57,46 @@ struct type_class_float *float_type_new(const char *name,
                                        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->p.copy = float_copy;
-       float_class->p.free = _float_type_free;
-       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;
        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;
+
+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;
 }