formats/ctf-text/types/struct.c

   1 /*
   2  * Common Trace Format
   3  *
   4  * Structure format access 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
  29 #include <babeltrace/ctf-text/types.h>
  30 #include <stdio.h>
  31
  32 int ctf_text_struct_write(struct bt_stream_pos *ppos, struct definition *definition)
  33 {
  34         struct declaration *declaration = definition->declaration;
  35         struct declaration_struct *struct_declaration =
  36                 container_of(declaration, struct declaration_struct, p);
  37         struct ctf_text_stream_pos *pos = ctf_text_pos(ppos);
  38         uint64_t len = bt_struct_declaration_len(struct_declaration);
  39         int field_nr_saved;
  40         int ret;
  41
  42         if (!print_field(definition))
  43                 return 0;
  44
  45         if (!pos->dummy) {
  46                 if (pos->depth >= 0) {
  47                         if (pos->field_nr++ != 0)
  48                                 fprintf(pos->fp, ",");
  49                         if (pos->print_names || len > 1)
  50                                 fprintf(pos->fp, " ");
  51                         if (pos->print_names && definition->name != 0)
  52                                 fprintf(pos->fp, "%s = ",
  53                                         rem_(g_quark_to_string(definition->name)));
  54                         if (pos->print_names || len > 1)
  55                                 fprintf(pos->fp, "{");
  56                 }
  57                 pos->depth++;
  58         }
  59         field_nr_saved = pos->field_nr;
  60         pos->field_nr = 0;
  61         ret = bt_struct_rw(ppos, definition);
  62         if (!pos->dummy) {
  63                 pos->depth--;
  64                 if (pos->depth >= 0 && (pos->print_names || len > 1)) {
  65                         fprintf(pos->fp, " }");
  66                 }
  67         }
  68         pos->field_nr = field_nr_saved;
  69         return ret;
  70 }