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author | Campbell Barton <ideasman42@gmail.com> | 2014-02-07 23:07:10 +0400 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2014-02-07 23:24:05 +0400 |
commit | b3afbcab8ff2330c1473647be330a3ffe9b11885 (patch) | |
tree | e86b9c7d9676e63b8da92da79889dee13b8be186 /source/blender/blenlib/BLI_listbase.h | |
parent | 1c24d954f4ac63f22b703756b6664a4ad1b363d4 (diff) |
ListBase API: add utility api funcs for clearing and checking empty
Diffstat (limited to 'source/blender/blenlib/BLI_listbase.h')
-rw-r--r-- | source/blender/blenlib/BLI_listbase.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_listbase.h b/source/blender/blenlib/BLI_listbase.h index 0927620a2c6..77490929efb 100644 --- a/source/blender/blenlib/BLI_listbase.h +++ b/source/blender/blenlib/BLI_listbase.h @@ -77,6 +77,13 @@ void BLI_reverselist(struct ListBase *lb); void BLI_rotatelist_first(struct ListBase *lb, void *vlink); void BLI_rotatelist_last(struct ListBase *lb, void *vlink); +/** + * Utility functions to avoid first/last references inline all over. + */ +BLI_INLINE bool BLI_listbase_is_single(const struct ListBase *lb) { return (lb->first && lb->first == lb->last); } +BLI_INLINE bool BLI_listbase_is_empty(const struct ListBase *lb) { return (lb->first == NULL); } +BLI_INLINE void BLI_listbase_clear(struct ListBase *lb) { lb->first = lb->last = NULL; } + /* create a generic list node containing link to provided data */ struct LinkData *BLI_genericNodeN(void *data); |