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jim_obj.c

/*-
 * Copyright (c) 2010 Wojciech A. Koszek <wkoszek@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id$
 */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define JIM_EMBEDDED
#include <jim.h>

#define     OBJ_DESC    "hello world"

int
main(int argc, char **argv)
{
      Jim_Interp *interp;
      Jim_Obj *obj;
      const char *obj_desc;
      int obj_size;

      obj = NULL;
      obj_desc = NULL;
      obj_size = -1;

      /* Create an interpreter */
      interp = Jim_CreateInterp();

      /* We register base commands, so that we actually implement Tcl. */
      Jim_RegisterCoreCommands(interp);

      /* And initialise any static extensions */
      Jim_InitStaticExtensions(interp);


      /* Create some empty object */
      obj =  Jim_NewObj(interp);

      /* Name the object */
      Jim_InitStringRep(obj, OBJ_DESC, strlen(OBJ_DESC)) ;

      /* Obtain internal representation of an object */
      obj_desc = Jim_GetString(obj, &obj_size);
      assert(obj_desc != NULL && "Jim should return NULL as a description");
      printf("Object described as '%s'; object size is %d\n", obj_desc,
          obj_size);

      Jim_FreeObj(interp, obj);
      Jim_FreeInterp(interp);

      return (EXIT_SUCCESS);
}

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