X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb%2Ftdb.h;h=6fd407a970390fdccc46b494a774900b84966369;hp=b84e20560021d45034bb4f29df78da30fb4cba30;hb=578da7e7b6265153fa0519035fc52a086a711ac0;hpb=d3c01870f9592e4e318f305b61ba4470f85daba1;ds=sidebyside

diff --git a/ccan/tdb/tdb.h b/ccan/tdb/tdb.h
index b84e2056..6fd407a9 100644
--- a/ccan/tdb/tdb.h
+++ b/ccan/tdb/tdb.h
@@ -38,6 +38,7 @@ extern "C" {
 /* For sig_atomic_t. */
 #include <signal.h>
 #endif
+#include <ccan/compiler/compiler.h>
 
 /* flags to tdb_store() */
 #define TDB_REPLACE 1		/* Unused */
@@ -57,6 +58,7 @@ extern "C" {
 #define TDB_VOLATILE   256 /* Activate the per-hashchain freelist, default 5 */
 #define TDB_ALLOW_NESTING 512 /* Allow transactions to nest */
 #define TDB_DISALLOW_NESTING 1024 /* Disallow transactions to nest */
+#define TDB_INCOMPATIBLE_HASH 2048 /* Better hashing: can't be opened by older tdb versions. */
 
 /* error codes */
 enum TDB_ERROR {TDB_SUCCESS=0, TDB_ERR_CORRUPT, TDB_ERR_IO, TDB_ERR_LOCK, 
@@ -73,23 +75,11 @@ typedef struct TDB_DATA {
 	size_t dsize;
 } TDB_DATA;
 
-#ifndef PRINTF_ATTRIBUTE
-#if (__GNUC__ >= 3)
-/** Use gcc attribute to check printf fns.  a1 is the 1-based index of
- * the parameter containing the format, and a2 the index of the first
- * argument. Note that some gcc 2.x versions don't handle this
- * properly **/
-#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
-#else
-#define PRINTF_ATTRIBUTE(a1, a2)
-#endif
-#endif
-
 /* this is the context structure that is returned from a db open */
 typedef struct tdb_context TDB_CONTEXT;
 
 typedef int (*tdb_traverse_func)(struct tdb_context *, TDB_DATA, TDB_DATA, void *);
-typedef void (*tdb_log_func)(struct tdb_context *, enum tdb_debug_level, const char *, ...) PRINTF_ATTRIBUTE(3, 4);
+typedef void (*tdb_log_func)(struct tdb_context *, enum tdb_debug_level, const char *, ...) PRINTF_FMT(3, 4);
 typedef unsigned int (*tdb_hash_func)(TDB_DATA *key);
 
 struct tdb_logging_context {
@@ -149,9 +139,10 @@ void tdb_add_flags(struct tdb_context *tdb, unsigned flag);
 void tdb_remove_flags(struct tdb_context *tdb, unsigned flag);
 void tdb_enable_seqnum(struct tdb_context *tdb);
 void tdb_increment_seqnum_nonblock(struct tdb_context *tdb);
+unsigned int tdb_jenkins_hash(TDB_DATA *key);
 int tdb_check(struct tdb_context *tdb,
-	      int (*check)(TDB_DATA key, TDB_DATA data, void *private),
-	      void *private);
+	      int (*check)(TDB_DATA key, TDB_DATA data, void *private_data),
+	      void *private_data);
 
 /* Low level locking functions: use with care */
 int tdb_chainlock(struct tdb_context *tdb, TDB_DATA key);
@@ -173,6 +164,7 @@ void tdb_dump_all(struct tdb_context *tdb);
 int tdb_printfreelist(struct tdb_context *tdb);
 int tdb_validate_freelist(struct tdb_context *tdb, int *pnum_entries);
 int tdb_freelist_size(struct tdb_context *tdb);
+char *tdb_summary(struct tdb_context *tdb);
 
 extern TDB_DATA tdb_null;