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Diffstat (limited to 'src/rbtree.h')
| -rw-r--r-- | src/rbtree.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/rbtree.h b/src/rbtree.h new file mode 100644 index 0000000..660e869 --- /dev/null +++ b/src/rbtree.h @@ -0,0 +1,99 @@ +#ifndef PERS_RBTREE_H +#define PERS_RBTREE_H + +/****************************************************************************** + * Project Persistency + * (c) copyright 2012 + * Company XS Embedded GmbH + *****************************************************************************/ +/****************************************************************************** + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the "Software"), + to deal in the Software without restriction, including without limitation + the rights to use, copy, modify, merge, publish, distribute, sublicense, + and/or sell copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +******************************************************************************/ + /** + * @file pers_rbtree.h + * @ingroup Persistence device access layer + * @author Ingo Huerner + * @brief Definition of rbtree functions + * @see + */ + + +// http://eternallyconfuzzled.com/tuts/datastructures/jsw_tut_rbtree.aspx +// http://eternallyconfuzzled.com/libs/jsw_rbtree.zip + +/* + Red Black balanced tree library + + > Created (Julienne Walker): August 23, 2003 + > Modified (Julienne Walker): March 14, 2008 + + This code is in the public domain. Anyone may + use it or change it in any way that they see + fit. The author assumes no responsibility for + damages incurred through use of the original + code or any variations thereof. + + It is requested, but not required, that due + credit is given to the original author and + anyone who has modified the code through + a header comment, such as this one. +*/ + +#ifdef __cplusplus +#include <cstddef> + +using std::size_t; + +extern "C" { +#else +#include <stddef.h> +#endif + +/* Opaque types */ +typedef struct jsw_rbtree jsw_rbtree_t; +typedef struct jsw_rbtrav jsw_rbtrav_t; + +/* User-defined item handling */ +typedef int (*cmp_f) ( const void *p1, const void *p2 ); +typedef void *(*dup_f) ( void *p ); +typedef void (*rel_f) ( void *p ); + + +/* Red Black tree functions */ +jsw_rbtree_t *jsw_rbnew ( cmp_f cmp, dup_f dup, rel_f rel ); +void jsw_rbdelete ( jsw_rbtree_t *tree ); +void *jsw_rbfind ( jsw_rbtree_t *tree, void *data ); +int jsw_rbinsert ( jsw_rbtree_t *tree, void *data ); +int jsw_rberase ( jsw_rbtree_t *tree, void *data ); +size_t jsw_rbsize ( jsw_rbtree_t *tree ); + +/* Traversal functions */ +jsw_rbtrav_t *jsw_rbtnew ( void ); +void jsw_rbtdelete ( jsw_rbtrav_t *trav ); +void *jsw_rbtfirst ( jsw_rbtrav_t *trav, jsw_rbtree_t *tree ); +void *jsw_rbtlast ( jsw_rbtrav_t *trav, jsw_rbtree_t *tree ); +void *jsw_rbtnext ( jsw_rbtrav_t *trav ); +void *jsw_rbtprev ( jsw_rbtrav_t *trav ); + +#ifdef __cplusplus +} +#endif + + +#endif /* PERS_RBTREE_H */ |