Make db_dump work. Addresses #197.

git-svn-id: file:///svn/tokudb@1204 c7de825b-a66e-492c-adef-691d508d4ae1

cxx/db.cpp

@@ -54,3 +54,8 @@ int Db::put(DbTxn *txn, Dbt *key, Dbt *data, u_int32_t flags) {
     return ret;
 }
 
+int Db::cursor(DbTxn *txn, Dbc **cursorp, u_int32_t flags) {
+    int ret = the_db->cursor(the_db, txn->get_DB_TXN(), (DBC**)cursorp, flags);
+    return ret;
+}
+

cxx/db_cxx.h

@@ -9,6 +9,7 @@ class Dbc;
 // DBT and Dbt objects are the same pointers.  So watch out if you use Dbt to make other classes (e.g., with subclassing).
 class Dbt : private DBT
 {
+    friend class Dbc;
  public:
 
     void *    get_data(void) const     { return data; }
@@ -17,6 +18,9 @@ class Dbt : private DBT
     u_int32_t get_size(void) const     { return size; }
     void      set_size(u_int32_t  p)   { size =  p; }
 		       
+    u_int32_t get_flags() const        { return flags; }
+    void set_flags(u_int32_t f)        { flags = f; }
+
     DBT *get_DBT(void)                 { return (DBT*)this; }
 
     Dbt(void */*data*/, u_int32_t /*size*/);
@@ -94,3 +98,11 @@ class DbTxn {
     DB_TXN *the_txn;
 };
 
+class Dbc : protected DBC
+{
+ public:
+    int close(void);
+    int get(Dbt*, Dbt *, u_int32_t);
+
+};
+

cxx/tests/Makefile

 SRCS = $(wildcard *.cpp)
 TARGETS = $(patsubst %.cpp,%,$(SRCS))
 
-DBCXX = ../dbt.o ../db.o ../dbenv.o
+DBCXX = ../dbt.o ../db.o ../dbenv.o ../dbc.o
 CPPFLAGS = -I../ -I../../include
 CXXFLAGS = -Wall -g
 LDLIBS = ../../lib/libdb.a -lz
 
+all: $(TARGETS)
 $(TARGETS): $(DBCXX)
 
 $(DBCXX):
 	cd ..;make
-all: $(TARGETS)
 
 clean:
 	rm -rf $(TARGETS)

cxx/tests/db_dump.cpp

+#include <stdlib.h>
 #include <assert.h>
 #include <db_cxx.h>