types/integer.c

   1 /*
   2  * integer.c
   3  *
   4  * BabelTrace - Integer Type Converter
   5  *
   6  * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   7  *
   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:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  */
  18
  19 #include <babeltrace/compiler.h>
  20 #include <babeltrace/align.h>
  21 #include <babeltrace/format.h>
  22 #include <stdint.h>
  23
  24 static
  25 struct definition *_integer_definition_new(struct declaration *declaration,
  26                                struct definition_scope *parent_scope,
  27                                GQuark field_name, int index);
  28 static
  29 void _integer_definition_free(struct definition *definition);
  30
  31 static
  32 void _integer_declaration_free(struct declaration *declaration)
  33 {
  34         struct declaration_integer *integer_declaration =
  35                 container_of(declaration, struct declaration_integer, p);
  36         g_free(integer_declaration);
  37 }
  38
  39 struct declaration_integer *
  40         integer_declaration_new(size_t len, int byte_order,
  41                          int signedness, size_t alignment)
  42 {
  43         struct declaration_integer *integer_declaration;
  44
  45         integer_declaration = g_new(struct declaration_integer, 1);
  46         integer_declaration->p.id = CTF_TYPE_INTEGER;
  47         integer_declaration->p.alignment = alignment;
  48         integer_declaration->p.declaration_free = _integer_declaration_free;
  49         integer_declaration->p.definition_free = _integer_definition_free;
  50         integer_declaration->p.definition_new = _integer_definition_new;
  51         integer_declaration->p.ref = 1;
  52         integer_declaration->len = len;
  53         integer_declaration->byte_order = byte_order;
  54         integer_declaration->signedness = signedness;
  55         return integer_declaration;
  56 }
  57
  58 static
  59 struct definition *
  60         _integer_definition_new(struct declaration *declaration,
  61                                 struct definition_scope *parent_scope,
  62                                 GQuark field_name, int index)
  63 {
  64         struct declaration_integer *integer_declaration =
  65                 container_of(declaration, struct declaration_integer, p);
  66         struct definition_integer *integer;
  67
  68         integer = g_new(struct definition_integer, 1);
  69         declaration_ref(&integer_declaration->p);
  70         integer->p.declaration = declaration;
  71         integer->declaration = integer_declaration;
  72         integer->p.ref = 1;
  73         integer->p.index = index;
  74         integer->value._unsigned = 0;
  75         return &integer->p;
  76 }
  77
  78 static
  79 void _integer_definition_free(struct definition *definition)
  80 {
  81         struct definition_integer *integer =
  82                 container_of(definition, struct definition_integer, p);
  83
  84         declaration_unref(integer->p.declaration);
  85         g_free(integer);
  86 }