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Diffstat (limited to 'Build/source/texk/kpathsea/str-llist.h')
-rw-r--r-- | Build/source/texk/kpathsea/str-llist.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/str-llist.h b/Build/source/texk/kpathsea/str-llist.h new file mode 100644 index 00000000000..2d1468c4ace --- /dev/null +++ b/Build/source/texk/kpathsea/str-llist.h @@ -0,0 +1,65 @@ +/* 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, 2014 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/simpletypes.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* 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 */ + +#ifdef __cplusplus +} +#endif + +#endif /* not STR_LLIST_H */ |