/* str-llist.h: a linked list of strings,
It's pretty sad that both this and str-list exist; the reason is
that C cannot express iterators very well, and I don't want to change
all the for loops.
Copyright 1993, 1994, 2008, 2010 Karl Berry.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, see <
http://www.gnu.org/licenses/>. */
#ifndef STR_LLIST_H
#define STR_LLIST_H
#include <kpathsea/c-proto.h>
#include <kpathsea/types.h>
/* It's a little bizarre to be using the same type for the list and the
elements of the list, but no reason not to in this case, I think --
we never need a NULL string in the middle of the list, and an extra
NULL/NULL element always at the end is inconsequential. */
struct str_llist_elt
{
string str;
boolean moved;
struct str_llist_elt *next;
};
typedef struct str_llist_elt str_llist_elt_type;
typedef struct str_llist_elt *str_llist_type;
#define STR_LLIST(sl) ((sl).str)
#define STR_LLIST_MOVED(sl) ((sl).moved)
#define STR_LLIST_NEXT(sl) ((sl).next)
#ifdef MAKE_KPSE_DLL /* libkpathsea internal only */
/* Add the new string E to the end of the list L. */
extern void str_llist_add (str_llist_type *l, string e);
/* Reorganize L so that E is below only other elements that have already
been moved. Set `moved' member for E. */
extern void str_llist_float (str_llist_type *l, str_llist_elt_type *e);
#endif /* MAKE_KPSE_DLL */
#endif /* not STR_LLIST_H */
