+ }
+
+ print_tabs(1, fd);
+ fprintf(fd, "align = ");
+ if(print_type_alignment(td, fd, 0, basename, "", "obj")) return 1;
+ fprintf(fd, ";\n");
+ fprintf(fd, "\n");
+ print_tabs(1, fd);
+ fprintf(fd, "if(*len == 0) {\n");
+ print_tabs(2, fd);
+ fprintf(fd, "*to += ltt_align(*to, align); /* align output */\n");
+ print_tabs(1, fd);
+ fprintf(fd, "} else {\n");
+ print_tabs(2, fd);
+ fprintf(fd, "*len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */\n");
+ print_tabs(1, fd);
+ fprintf(fd, "}\n");
+ fprintf(fd, "\n");
+
+ /* First, check if the type has a fixed size. If it is the case, then the size
+ * to write is know by the compiler : simply use a sizeof() */
+ if(has_type_fixed_size(td)) {
+ print_tabs(1, fd);
+ fprintf(fd, "/* Contains only fixed size fields : use compiler sizeof() */\n");
+ fprintf(fd, "\n");
+ print_tabs(1, fd);
+ fprintf(fd, "size = sizeof(");
+ if(print_type(td, fd, 0, basename, field_name)) return 1;
+ fprintf(fd, ");\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*len += size;\n");
+ } else {
+ /* The type contains nested variable size subtypes :
+ * we must write field by field. */
+ print_tabs(1, fd);
+ fprintf(fd, "/* Contains variable sized fields : must explode the structure */\n");
+ fprintf(fd, "\n");
+
+ switch(td->type) {
+ case SEQUENCE:
+ print_tabs(1, fd);
+ fprintf(fd, "/* Copy members */\n");
+// print_tabs(1, fd);
+// fprintf(fd, "size = sizeof(\n");
+ if(print_type_write(((field_t*)td->fields.array[0])->type,
+ fd, 1, basename, "len", "obj->", 1)) return 1;
+ fprintf(fd, "\n");
+// fprintf(fd, ");\n");
+// print_tabs(1, fd);
+// fprintf(fd, "*to += ltt_align(*to, size);\n");
+ print_tabs(1, fd);
+ fprintf(fd, "if(buffer != NULL)\n");
+ print_tabs(2, fd);
+ fprintf(fd, "memcpy(buffer+*to_base+*to, &obj->len, *len);\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*to += *len;\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*len = 0;\n");
+ fprintf(fd, "\n");
+
+ /* Write the child : varlen child or not ? */
+ if(has_type_fixed_size(((field_t*)td->fields.array[1])->type)) {
+ /* Fixed size len child : use a multiplication of its size */
+// print_tabs(1, fd);
+// fprintf(fd, "size = sizeof(\n");
+
+ //print_tabs(1, fd);
+ /* We know that *len does not contain alignment because of the
+ * previous align output. len is always 0 here. */
+ if(print_type_write(((field_t*)td->fields.array[1])->type,
+ fd, 1, basename, "array[0]", "obj->", 1))
+ return 1;
+// fprintf(fd, ");\n");
+ fprintf(fd, "\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*len = obj->len * (*len);\n");
+ print_tabs(1, fd);
+ fprintf(fd, "if(buffer != NULL)\n");
+ print_tabs(2, fd);
+ fprintf(fd, "memcpy(buffer+*to_base+*to, obj->array, *len);\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*to += *len;\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*len = 0;\n");
+ fprintf(fd, "\n");
+ } else {
+ print_tabs(1, fd);
+ fprintf(fd, "/* Variable length child : iter. */\n");
+ print_tabs(1, fd);
+ fprintf(fd, "for(unsigned int i=0; i<obj->len; i++) {\n");
+ if(print_type_write(((field_t*)td->fields.array[1])->type,
+ fd, 2, basename, "array[i]", "obj->", 1)) return 1;
+ print_tabs(1, fd);
+ fprintf(fd, "}\n");
+ }
+ fprintf(fd, "\n");
+ print_tabs(1, fd);
+ fprintf(fd, "/* Realign the *to_base on arch size, set *to to 0 */\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*to += ltt_align(*to, sizeof(void *));\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*to_base = *to_base+*to;\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*to = 0;\n");
+ fprintf(fd, "\n");
+ print_tabs(1, fd);
+ fprintf(fd, "/* Put source *from just after the C sequence */\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*from = obj+1;\n");
+ break;
+ case STRING:
+ print_tabs(1, fd);
+ fprintf(fd, "size = strlen(obj) + 1; /* Include final NULL char. */\n");
+ print_tabs(1, fd);
+ fprintf(fd, "if(buffer != NULL)\n");
+ print_tabs(2, fd);
+ fprintf(fd, "memcpy(buffer+*to_base+*to, obj, size);\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*to += size;\n");
+ fprintf(fd, "\n");
+ print_tabs(1, fd);
+ fprintf(fd, "/* Realign the *to_base on arch size, set *to to 0 */\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*to += ltt_align(*to, sizeof(void *));\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*to_base = *to_base+*to;\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*to = 0;\n");
+ fprintf(fd, "\n");
+ print_tabs(1, fd);
+ fprintf(fd, "/* Put source *from just after the C string */\n");
+ print_tabs(1, fd);
+ fprintf(fd, "*from += size;\n");
+ break;
+ case STRUCT:
+ for(unsigned int i=0;i<td->fields.position;i++){
+ field_t *field = (field_t*)(td->fields.array[i]);
+ type_descriptor_t *type = field->type;
+ if(print_type_write(type,
+ fd, 1, basename, field->name, "obj->", 1)) return 1;
+ fprintf(fd, "\n");
+ }
+ break;
+ case UNION:
+ printf("ERROR : A union CANNOT contain a variable size child.\n");
+ return 1;
+ break;
+ case ARRAY:
+ /* Write the child : varlen child or not ? */
+ if(has_type_fixed_size(((field_t*)td->fields.array[0])->type)) {
+ /* Error : if an array has a variable size, then its child must also
+ * have a variable size. */
+ assert(0);
+ } else {
+ print_tabs(1, fd);
+ fprintf(fd, "/* Variable length child : iter. */\n");
+ print_tabs(1, fd);
+ fprintf(fd, "for(unsigned int i=0; i<LTTNG_ARRAY_SIZE_%s; i++) {\n", basename);
+ if(print_type_write(((field_t*)td->fields.array[0])->type,
+ fd, 2, basename, "", "obj->array[i]", 1)) return 1;
+ print_tabs(1, fd);
+ fprintf(fd, "}\n");
+ }
+ break;
+ default:
+ printf("print_type_write_fct : type has no write function.\n");
+ break;
+ }
+
+