formats/ctf-text/types/float.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Floating point read/write functions.
   5  *
   6  * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
   7  *
   8  * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   9  *
  10  * Permission is hereby granted, free of charge, to any person obtaining a copy
  11  * of this software and associated documentation files (the "Software"), to deal
  12  * in the Software without restriction, including without limitation the rights
  13  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  14  * copies of the Software, and to permit persons to whom the Software is
  15  * furnished to do so, subject to the following conditions:
  16  *
  17  * The above copyright notice and this permission notice shall be included in
  18  * all copies or substantial portions of the Software.
  19  *
  20  * Reference: ISO C99 standard 5.2.4
  21  */
  22
  23 #include <babeltrace/ctf-text/types.h>
  24 #include <stdio.h>
  25
  26 int ctf_text_float_write(struct stream_pos *ppos, struct definition *definition)
  27 {
  28         struct definition_float *float_definition =
  29                 container_of(definition, struct definition_float, p);
  30         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  31
  32         if (!print_field(definition))
  33                 return 0;
  34
  35         if (pos->dummy)
  36                 return 0;
  37
  38         if (pos->field_nr++ != 0)
  39                 fprintf(pos->fp, ",");
  40         fprintf(pos->fp, " ");
  41         if (pos->print_names)
  42                 fprintf(pos->fp, "%s = ",
  43                         g_quark_to_string(definition->name));
  44
  45         fprintf(pos->fp, "%g", float_definition->value);
  46         return 0;
  47 }