| /* Reference-counted string list. |
| Copyright (C) 2001-2018 Free Software Foundation, Inc. |
| |
| 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 3 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, see <https://www.gnu.org/licenses/>. */ |
| |
| #ifndef _RC_STR_LIST_H |
| #define _RC_STR_LIST_H |
| |
| #include <stdlib.h> |
| |
| #include "str-list.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /* A reference-counted list-of-immutable-strings type. */ |
| |
| typedef struct refcounted_string_list_ty refcounted_string_list_ty; |
| struct refcounted_string_list_ty |
| { |
| unsigned int refcount; |
| struct string_list_ty contents; |
| }; |
| |
| static inline refcounted_string_list_ty * |
| add_reference (refcounted_string_list_ty *rslp) |
| { |
| if (rslp != NULL) |
| rslp->refcount++; |
| return rslp; |
| } |
| |
| static inline void |
| drop_reference (refcounted_string_list_ty *rslp) |
| { |
| if (rslp != NULL) |
| { |
| if (rslp->refcount > 1) |
| rslp->refcount--; |
| else |
| { |
| string_list_destroy (&rslp->contents); |
| free (rslp); |
| } |
| } |
| } |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* _RC_STR_LIST_H */ |