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Diffstat (limited to 'Build/source/texk/kpathsea/str-list.h')
-rw-r--r-- | Build/source/texk/kpathsea/str-list.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/str-list.h b/Build/source/texk/kpathsea/str-list.h new file mode 100644 index 00000000000..0644f10aac2 --- /dev/null +++ b/Build/source/texk/kpathsea/str-list.h @@ -0,0 +1,106 @@ +/* str-list.h: declarations for string lists. + + Copyright 1993, 1994, 2007, 2008, 2010, 2012, 2018 Karl Berry. + Copyright 1999, 2005 Olaf Weber. + + 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 KPATHSEA_STR_LIST_H +#define KPATHSEA_STR_LIST_H + +#include <kpathsea/c-proto.h> +#include <kpathsea/types.h> + + +#ifdef __cplusplus +extern "C" { +#endif + +/* Lists of strings; used for, e.g., directory lists. */ +typedef struct +{ + unsigned length; + string *list; +} str_list_type; + +/* Lists of const strings; used for, e.g., hash tables. */ +typedef struct +{ + unsigned length; + const_string *list; +} cstr_list_type; + +#define STR_LIST_LENGTH(l) ((l).length) +#define STR_LIST_EMPTY(l) (STR_LIST_LENGTH (l) == 0) + +#define STR_LIST(l) ((l).list) +#define STR_LIST_ELT(l, n) (STR_LIST (l)[n]) +#define STR_LIST_FIRST_ELT(l) STR_LIST_ELT ((l), 0) +#define STR_LIST_LAST_ELT(l) STR_LIST_ELT ((l), STR_LIST_LENGTH (l) - 1) + +#ifdef MAKE_KPSE_DLL /* libkpathsea internal only */ + +/* Return a new, empty, list. */ +static inline str_list_type +str_list_init (void) +{ + str_list_type ret; + + STR_LIST_LENGTH (ret) = 0; + STR_LIST (ret) = NULL; + + return ret; +} +static inline cstr_list_type +cstr_list_init (void) +{ + cstr_list_type ret; + + STR_LIST_LENGTH (ret) = 0; + STR_LIST (ret) = NULL; + + return ret; +} + +#endif /* MAKE_KPSE_DLL */ + +/* Append the string S to the list L. It's up to the caller to not + deallocate S; we don't copy it. Also up to the caller to terminate + the list with a null entry. */ +extern KPSEDLL void str_list_add (str_list_type *l, string s); +extern KPSEDLL void cstr_list_add (cstr_list_type *l, const_string s); + +#ifdef MAKE_KPSE_DLL /* libkpathsea internal only */ + +/* Append all the elements from MORE to TARGET. */ +extern void str_list_concat (str_list_type * target, str_list_type more); + +/* Free the space for the list elements (but not the list elements + themselves). */ +extern void str_list_free (str_list_type *l); + +/* Append each element of MORE to each element of TARGET. */ +extern void str_list_concat_elements + (str_list_type *target, str_list_type more); + +/* Remove duplicate elements from L, freeing their space. */ +extern void str_list_uniqify (str_list_type *l); + +#endif /* MAKE_KPSE_DLL */ + +#ifdef __cplusplus +} +#endif + +#endif /* not KPATHSEA_STR_LIST_H */ |