/*
 * pf-add.cc: Part of GNU CSSC.
 * 
 *    Copyright (C) 1997,2001 Free Software Foundation, Inc. 
 * 
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 * 
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 * 
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
 * 
 * CSSC was originally Based on MySC, by Ross Ridge, which was 
 * placed in the Public Domain.
 *
 * Members of the class sccs_pfile for adding an edit lock to the file.
 *
 */

#include "cssc.h"
#include "pfile.h"
#include "except.h"


#ifdef CONFIG_SCCS_IDS
static const char rcs_id[] = "CSSC $Id: pf-add.cc,v 1.14 2001/09/29 19:39:41 james_youngman Exp $";
#endif


#if 0 
/* This is the old add_lock code. 
 * The p-file is supposed to have mode 0644.  This means
 * that we need to reqrite the pfile, instead of just appending
 * to it. 
 */
bool
sccs_pfile::add_lock(sid got, sid delta, 
		     sid_list &included, sid_list &excluded) {
	ASSERT(mode == APPEND);

	struct edit_lock new_lock;
	
	new_lock.got = got;
	new_lock.delta = delta;
	new_lock.user = get_user_name();
	new_lock.date = sccs_date::now();
	new_lock.include = included;
	new_lock.exclude = excluded;
	new_lock.deleted = 0;

	edit_locks.add(new_lock);

	FILE *pf = fopen(pname.c_str(), "a");
	if (pf == NULL)
	  {
	    perror(pname.c_str());
	    return false;
	  }
#ifdef HAVE_EXCEPTIONS
	try
	  {
#endif	    
	    if (write_edit_lock(pf, new_lock) || fclose_failed(fclose(pf)))
	      {
		perror(pname.c_str());
		return false;
	      }
	    return true;
#ifdef HAVE_EXCEPTIONS
	  }
	catch (CsscException)
	  {
	    remove(pname.c_str());
	    throw;
	  }
#endif
}


#else

bool
sccs_pfile::add_lock(sid got, sid delta, 
		     sid_list &included, sid_list &excluded) {
	ASSERT(mode == APPEND);
	struct edit_lock new_lock;
	bool pfile_already_exists;
	

	if (edit_locks.length() == 0)
	  pfile_already_exists = false;
	else
	  pfile_already_exists = true;

	new_lock.got = got;
	new_lock.delta = delta;
	new_lock.user = get_user_name();
	new_lock.date = sccs_date::now();
	new_lock.include = included;
	new_lock.exclude = excluded;
	new_lock.deleted = 0;

	edit_locks.add(new_lock);

	return update( pfile_already_exists );
}
#endif


/* Local variables: */
/* mode: c++ */
/* End: */