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Addition of hashtable iterator

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User print routine

rejig of show users to show dbusers and a new show users command in the debugcli
This commit is contained in:
Mark Riddoch
2013-07-23 12:16:22 +02:00
parent 36f62637c9
commit 016e759b2b
6 changed files with 126 additions and 1 deletions
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17
include/hashtable.h
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@ -27,6 +27,7 @@
*
* Date Who Description
* 23/06/13 Mark Riddoch Initial implementation
* 23/07/13 Mark Riddoch Addition of iterator mechanism
*
* @endverbatim
*/
@ -46,6 +47,17 @@ typedef struct hashentry {
struct hashentry *next; /**< The overflow chain */
} HASHENTRIES;
/**
* HASHTABLE iterator - used to walk the hashtable in a thread safe
* way
*/
typedef struct hashiterator {
struct hashtable
*table; /**< The hashtable the iterator refers to */
int chain; /**< The current chain we are walking */
int depth; /**< The current depth down the chain */
} HASHITERATOR;
/**
* The type definition for the memory allocation functions
*/
@ -80,4 +92,9 @@ extern void *hashtable_fetch(HASHTABLE *, void *);
/**< Fetch the data for a given key */
extern void hashtable_stats(HASHTABLE *); /**< Print statisitics */
extern void dcb_hashtable_stats(DCB *, HASHTABLE *); /**< Print statisitics */
extern HASHITERATOR *hashtable_iterator(HASHTABLE *);
/**< Allocate an iterator on the hashtable */
extern void *hashtable_next(HASHITERATOR *);
/**< Return the key of the hash table iterator */
extern void hashtable_iterator_free(HASHITERATOR *);
#endif