formats/ctf-text/types/struct.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Structure format access 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
  19 #include <babeltrace/ctf-text/types.h>
  20 #include <stdio.h>
  21
  22 int ctf_text_struct_write(struct stream_pos *ppos, struct definition *definition)
  23 {
  24         struct declaration *declaration = definition->declaration;
  25         struct declaration_struct *struct_declaration =
  26                 container_of(declaration, struct declaration_struct, p);
  27         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  28         uint64_t len = struct_declaration_len(struct_declaration);
  29         int field_nr_saved;
  30         int ret;
  31
  32         if (!pos->dummy) {
  33                 if (pos->depth >= 0) {
  34                         if (pos->field_nr++ != 0)
  35                                 fprintf(pos->fp, ",");
  36                         if (pos->print_names || len > 1)
  37                                 fprintf(pos->fp, " ");
  38                         if (pos->print_names && definition->name != 0)
  39                                 fprintf(pos->fp, "%s = ",
  40                                         g_quark_to_string(definition->name));
  41                         if (pos->print_names || len > 1)
  42                                 fprintf(pos->fp, "{");
  43                 }
  44                 pos->depth++;
  45         }
  46         field_nr_saved = pos->field_nr;
  47         pos->field_nr = 0;
  48         ret = struct_rw(ppos, definition);
  49         if (!pos->dummy) {
  50                 pos->depth--;
  51                 if (pos->depth >= 0 && (pos->print_names || len > 1)) {
  52                         fprintf(pos->fp, " }");
  53                 }
  54         }
  55         pos->field_nr = field_nr_saved;
  56         return ret;
  57 }