/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * 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
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * 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.
*
* ---
*
* Known contributors to this file:
* (List known contributors to this file)
*/
-/*
- * XXX These routines gamble that structures are all longword-aligned.
- * If this is not true, they will BREAK!
- */
+
+#include <config.h>
#include "misc.h"
#include "player.h"
#include "prototypes.h"
/*
- * find a matching integer from a member of a structure.
- * Inspired by stmtch above.
+ * 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
-intmatch(register int value, register int *ptr, int size)
-{
- register int i;
-
- size /= sizeof(*ptr);
- for (i = 0; *ptr; i++, ptr += size)
- if (value == *ptr)
- return i;
- return -1;
-}
-
-/*
- * find a matching command from coms[]. Return status is:
- * >= 0: match found, value is array entry in coms[]
- */
-int
-comtch(register s_char *command, struct cmndstr *coms, int comstat,
- int god)
+comtch(register s_char *command, struct cmndstr *coms, int comstat)
{
register struct cmndstr *com;
register int status;
- register int i;
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 && !god)
- continue;
- if ((i = mineq(command, com->c_form)) == ME_MISMATCH)
+ if ((com->c_permit & comstat) != com->c_permit)
continue;
- if (i == ME_EXACT)
+ 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;
- /* partial */
- if (status != M_NOTFOUND)
- return M_NOTUNIQUE;
- status = com - coms;
+ }
}
return status;