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  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  23  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  25  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  26  * SOFTWARE.
  27  *
  28  * Reference: ISO C99 standard 5.2.4
  29  */
  30
  31 #include <babeltrace/ctf-text/types.h>
  32 #include <stdio.h>
  33
  34 int ctf_text_float_write(struct bt_stream_pos *ppos, struct definition *definition)
  35 {
  36         struct definition_float *float_definition =
  37                 container_of(definition, struct definition_float, p);
  38         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  39
  40         if (!print_field(definition))
  41                 return 0;
  42
  43         if (pos->dummy)
  44                 return 0;
  45
  46         if (pos->field_nr++ != 0)
  47                 fprintf(pos->fp, ",");
  48         fprintf(pos->fp, " ");
  49         if (pos->print_names)
  50                 fprintf(pos->fp, "%s = ",
  51                         rem_(g_quark_to_string(definition->name)));
  52
  53         fprintf(pos->fp, "%g", float_definition->value);
  54         return 0;
  55 }