/*

Copyright 1988, 1989, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its

documentation for any purpose is hereby granted without fee, provided that

the above copyright notice appear in all copies and that both that

copyright notice and this permission notice appear in supporting

documentation.

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE

OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be

used in advertising or otherwise to promote the sale, use or other dealings

in this Software without prior written authorization from The Open Group.

*/

/* Created By:  Chris D. Peterson

 *              MIT X Consortium

 * Date:        May 8, 1989

 */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <X11/Intrinsic.h>

#include <X11/Xmu/Initer.h>

struct InitializerList {

  XmuInitializerProc function;	/* function to call */

  XPointer data;		/* Data to pass the function. */

  XtAppContext * app_con_list;	/* a null terminated list of app_contexts. */

};

/*

 * Prototypes

 */

static Bool AddToAppconList(XtAppContext**, XtAppContext);

static struct InitializerList * init_list = NULL;

static Cardinal init_list_length = 0;

void

XmuAddInitializer(XmuInitializerProc func, XPointer data)

{

  init_list_length++;

  init_list = (struct InitializerList *) XtRealloc( (char *) init_list,

					    (sizeof(struct InitializerList) *

					     init_list_length) );

  init_list[init_list_length - 1].function = func;

  init_list[init_list_length - 1].data = data;

  init_list[init_list_length - 1].app_con_list = NULL;

}

void

XmuCallInitializers(XtAppContext app_con)

{

  unsigned i;

  for (i = 0 ; i < init_list_length ; i++) {

    if (AddToAppconList(&(init_list[i].app_con_list), app_con))

      (init_list[i].function) (app_con, init_list[i].data);

  }

}

/*

 * Function:

 *	AddToAppconList

 *

 * Parameters:

 *	app_list - NULL terminated list of application contexts

 *	app_con	 - application context to test

 *

 * Description:

 *	  Adds an action to the application context list and

 *	returns True, if this app_con is already on the list then

 *	it is NOT added and False is returned.

 *

 * Returns:

 *	True if not found, False if found

 */

static Bool

AddToAppconList(XtAppContext **app_list, XtAppContext app_con)

{

  int i;

  XtAppContext *local_list;

  i = 0;

  local_list = *app_list;

  if (*app_list != NULL) {

    for ( ; *local_list != NULL ; i++, local_list++) {

      if (*local_list == app_con)

	return (False);

    }

  }

  *app_list = (XtAppContext *)  XtRealloc((char *)(*app_list),

					  sizeof(XtAppContext *) * (i + 2) );

  (*app_list)[i++] = app_con;

  (*app_list)[i] = NULL;

  return (True);

}