removed not needed cursor_get funcs (#153)

Co-authored-by: JkLondon <ilya@mikheev.fun>

Author: JkLondon

mdbx/cursor.go

@@ -198,7 +198,7 @@ func (c *Cursor) getVal(setkey, setval []byte, op uint) error {
 	if len(setval) > 0 {
 		v = (*C.char)(unsafe.Pointer(&setval[0]))
 	}
-	ret := C.mdbxgo_cursor_get2(
+	ret := C.mdbxgo_cursor_get(
 		c._c,
 		k, C.size_t(len(setkey)),
 		v, C.size_t(len(setval)),

mdbx/mdbxgo.c

@@ -75,17 +75,7 @@ int mdbxgo_cursor_putmulti(MDBX_cursor *cur, char *kdata, size_t kn, char *vdata
     return mdbx_cursor_put(cur, &key, &val[0], flags);
 }
 
-int mdbxgo_cursor_get01(MDBX_cursor *cur, char *vdata, size_t vn, MDBX_val *key, MDBX_val *val, MDBX_cursor_op op) {
-    MDBXGO_SET_VAL(val, vn, vdata);
-    return mdbx_cursor_get(cur, key, val, op);
-}
-
-int mdbxgo_cursor_get1(MDBX_cursor *cur, char *kdata, size_t kn, MDBX_val *key, MDBX_val *val, MDBX_cursor_op op) {
-    MDBXGO_SET_VAL(key, kn, kdata);
-    return mdbx_cursor_get(cur, key, val, op);
-}
-
-int mdbxgo_cursor_get2(MDBX_cursor *cur, char *kdata, size_t kn, char *vdata, size_t vn, MDBX_val *key, MDBX_val *val, MDBX_cursor_op op) {
+int mdbxgo_cursor_get(MDBX_cursor *cur, char *kdata, size_t kn, char *vdata, size_t vn, MDBX_val *key, MDBX_val *val, MDBX_cursor_op op) {
     MDBXGO_SET_VAL(key, kn, kdata);
     MDBXGO_SET_VAL(val, vn, vdata);
     return mdbx_cursor_get(cur, key, val, op);

mdbx/mdbxgo.h

@@ -24,9 +24,7 @@ int mdbxgo_put2(MDBX_txn *txn, MDBX_dbi dbi, char *kdata, size_t kn, char *vdata
 int mdbxgo_cursor_put1(MDBX_cursor *cur, char *kdata, size_t kn, MDBX_val *val, MDBX_put_flags_t flags);
 int mdbxgo_cursor_put2(MDBX_cursor *cur, char *kdata, size_t kn, char *vdata, size_t vn, MDBX_put_flags_t flags);
 int mdbxgo_cursor_putmulti(MDBX_cursor *cur, char *kdata, size_t kn, char *vdata, size_t vn, size_t vstride, MDBX_put_flags_t flags);
-int mdbxgo_cursor_get01(MDBX_cursor *cur, char *vdata, size_t vn, MDBX_val *key, MDBX_val *val, MDBX_cursor_op op);
-int mdbxgo_cursor_get1(MDBX_cursor *cur, char *kdata, size_t kn, MDBX_val *key, MDBX_val *val, MDBX_cursor_op op);
-int mdbxgo_cursor_get2(MDBX_cursor *cur, char *kdata, size_t kn, char *vdata, size_t vn, MDBX_val *key, MDBX_val *val, MDBX_cursor_op op);
+int mdbxgo_cursor_get(MDBX_cursor *cur, char *kdata, size_t kn, char *vdata, size_t vn, MDBX_val *key, MDBX_val *val, MDBX_cursor_op op);
 /* ConstCString wraps a null-terminated (const char *) because Go's type system
  * does not represent the 'cosnt' qualifier directly on a function argument and
  * causes warnings to be emitted during linking.