empserver/src/lib/subs/mtch.c

74 lines
2.2 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* 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 02111-1307 USA
*
* ---
*
* See files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* mtch.c: Matching operations on structures and commands.
*
* Known contributors to this file:
*
*/
#include <config.h>
#include "misc.h"
#include "player.h"
#include "com.h"
#include "match.h"
#include "prototypes.h"
/*
* Search for COMMAND in COMS[], return its index.
* Return M_NOTFOUND if there are no matches, M_NOTUNIQUE if there are
* several, M_IGNORE if the command should be ignored.
* Ignore commands that require more permissions than COMSTAT.
*/
int
comtch(register s_char *command, struct cmndstr *coms, int comstat)
{
register struct cmndstr *com;
register int status;
if (command == 0 || *command == 0)
return M_IGNORE;
status = M_NOTFOUND;
for (com = coms; com->c_form != 0; com++) {
if ((com->c_permit & comstat) != com->c_permit)
continue;
switch (mineq(command, com->c_form)) {
case ME_MISMATCH:
break;
case ME_PARTIAL:
if (status >= 0)
return M_NOTUNIQUE;
status = com - coms;
break;
case ME_EXACT:
return com - coms;
}
}
return status;
}