formats/ctf-text/types/float.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Floating point read/write functions.
   5  *
   6  * Copyright 2010 - 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  * Reference: ISO C99 standard 5.2.4
  19  */
  20
  21 #include <babeltrace/ctf-text/types.h>
  22 #include <stdio.h>
  23
  24 int ctf_text_float_write(struct stream_pos *ppos, struct definition *definition)
  25 {
  26         struct definition_float *float_definition =
  27                 container_of(definition, struct definition_float, p);
  28         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  29
  30         if (pos->dummy)
  31                 return 0;
  32
  33         if (definition->index != 0 && definition->index != INT_MAX)
  34                 fprintf(pos->fp, ",");
  35         if (definition->index != INT_MAX)
  36                 fprintf(pos->fp, " ");
  37         if (pos->print_names)
  38                 fprintf(pos->fp, "%s = ",
  39                         g_quark_to_string(definition->name));
  40
  41         fprintf(pos->fp, "%Lg\n", float_definition->value);
  42         return 0;
  43 }