branches/zip: Use ut_dulint_zero and ut_dulint_is_zero whenever possible.

dict/dict0mem.c

@@ -238,7 +238,7 @@ dict_mem_index_create(
 	heap = mem_heap_create(DICT_HEAP_SIZE);
 	index = mem_heap_alloc(heap, sizeof(dict_index_t));
 
-	index->id = ut_dulint_create(0, 0);
+	index->id = ut_dulint_zero;
 	index->heap = heap;
 
 	index->type = type;
@@ -257,7 +257,7 @@ dict_mem_index_create(
 
 	index->cached = FALSE;
 	index->to_be_dropped = FALSE;
-	index->trx_id = ut_dulint_create(0, 0);
+	index->trx_id = ut_dulint_zero;
 	memset(&index->lock, 0, sizeof index->lock);
 #ifdef UNIV_DEBUG
 	index->magic_n = DICT_INDEX_MAGIC_N;

fsp/fsp0fsp.c

@@ -1789,8 +1789,7 @@ fsp_seg_inode_page_find_used(
 		inode = fsp_seg_inode_page_get_nth_inode(
 			page, i, zip_size, mtr);
 
-		if (ut_dulint_cmp(mach_read_from_8(inode + FSEG_ID),
-				  ut_dulint_zero) != 0) {
+		if (!ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID))) {
 			/* This is used */
 
 			return(i);
@@ -1820,8 +1819,7 @@ fsp_seg_inode_page_find_free(
 		inode = fsp_seg_inode_page_get_nth_inode(
 			page, i, zip_size, mtr);
 
-		if (ut_dulint_cmp(mach_read_from_8(inode + FSEG_ID),
-				  ut_dulint_zero) == 0) {
+		if (ut_dulint_is_zero(mach_read_from_8(inode + FSEG_ID))) {
 			/* This is unused */
 
 			return(i);
@@ -2507,7 +2505,7 @@ fseg_alloc_free_page_low(
 	      == FSEG_MAGIC_N_VALUE);
 	seg_id = mtr_read_dulint(seg_inode + FSEG_ID, mtr);
 
-	ut_ad(ut_dulint_cmp(seg_id, ut_dulint_zero) > 0);
+	ut_ad(!ut_dulint_is_zero(seg_id));
 
 	reserved = fseg_n_reserved_pages_low(seg_inode, &used, mtr);
 
@@ -3955,9 +3953,8 @@ fsp_validate(
 
 			seg_inode = fsp_seg_inode_page_get_nth_inode(
 				seg_inode_page, n, zip_size, &mtr);
-			ut_a(ut_dulint_cmp(
-				     mach_read_from_8(seg_inode + FSEG_ID),
-				     ut_dulint_zero) != 0);
+			ut_a(!ut_dulint_is_zero(
+				     mach_read_from_8(seg_inode + FSEG_ID)));
 			fseg_validate_low(seg_inode, &mtr);
 
 			descr_count += flst_get_len(seg_inode + FSEG_FREE,
@@ -4002,9 +3999,8 @@ fsp_validate(
 
 			seg_inode = fsp_seg_inode_page_get_nth_inode(
 				seg_inode_page, n, zip_size, &mtr);
-			if (ut_dulint_cmp(
-				    mach_read_from_8(seg_inode + FSEG_ID),
-				    ut_dulint_zero) != 0) {
+			if (!ut_dulint_is_zero(
+				    mach_read_from_8(seg_inode + FSEG_ID))) {
 				fseg_validate_low(seg_inode, &mtr);
 
 				descr_count += flst_get_len(
@@ -4142,9 +4138,8 @@ fsp_print(
 
 			seg_inode = fsp_seg_inode_page_get_nth_inode(
 				seg_inode_page, n, zip_size, &mtr);
-			ut_a(ut_dulint_cmp(
-				     mach_read_from_8(seg_inode + FSEG_ID),
-				     ut_dulint_zero) != 0);
+			ut_a(!ut_dulint_is_zero(
+				     mach_read_from_8(seg_inode + FSEG_ID)));
 			fseg_print_low(seg_inode, &mtr);
 
 			n_segs++;
@@ -4181,9 +4176,8 @@ fsp_print(
 
 			seg_inode = fsp_seg_inode_page_get_nth_inode(
 				seg_inode_page, n, zip_size, &mtr);
-			if (ut_dulint_cmp(
-				    mach_read_from_8(seg_inode + FSEG_ID),
-				    ut_dulint_zero) != 0) {
+			if (!ut_dulint_is_zero(
+				    mach_read_from_8(seg_inode + FSEG_ID))) {
 
 				fseg_print_low(seg_inode, &mtr);
 				n_segs++;

lock/lock0lock.c

@@ -4054,8 +4054,7 @@ lock_release_off_kernel(
 			ut_ad(lock_get_type(lock) & LOCK_TABLE);
 
 			if (lock_get_mode(lock) != LOCK_IS
-			    && 0 != ut_dulint_cmp(trx->undo_no,
-						  ut_dulint_zero)) {
+			    && !ut_dulint_is_zero(trx->undo_no)) {
 
 				/* The trx may have modified the table. We
 				block the use of the MySQL query cache for

read/read0read.c

@@ -173,8 +173,7 @@ read_view_oldest_copy_or_open_new(
 
 	n = old_view->n_trx_ids;
 
-	if (ut_dulint_cmp(old_view->creator_trx_id,
-			  ut_dulint_create(0,0)) != 0) {
+	if (!ut_dulint_is_zero(old_view->creator_trx_id)) {
 		n++;
 	} else {
 		needs_insert = FALSE;
@@ -251,7 +250,7 @@ read_view_open_now(
 
 	view->creator_trx_id = cr_trx_id;
 	view->type = VIEW_NORMAL;
-	view->undo_no = ut_dulint_create(0, 0);
+	view->undo_no = ut_dulint_zero;
 
 	/* No future transactions should be visible in the view */
 

row/row0undo.c

@@ -526,7 +526,7 @@ row_undo_build_dict_undo_list(
 	}
 
 	/* We will do our own deletes */
-	trx->table_id = ut_dulint_create(0, 0);
+	trx->table_id = ut_dulint_zero;
 
 	if (trx->dict_undo_list == NULL) {
 		dict_undo_create_list(trx);

row/row0vers.c

@@ -561,7 +561,7 @@ row_vers_build_for_semi_consistent_read(
 	mem_heap_t*	heap		= NULL;
 	byte*		buf;
 	ulint		err;
-	dulint		rec_trx_id	= ut_dulint_create(0, 0);
+	dulint		rec_trx_id	= ut_dulint_zero;
 
 	ut_ad(dict_index_is_clust(index));
 	ut_ad(mtr_memo_contains_page(mtr, rec, MTR_MEMO_PAGE_X_FIX)

trx/trx0purge.c

@@ -541,7 +541,7 @@ trx_purge_truncate_history(void)
 	trx_purge_arr_get_biggest(purge_sys->arr, &limit_trx_no,
 				  &limit_undo_no);
 
-	if (ut_dulint_cmp(limit_trx_no, ut_dulint_zero) == 0) {
+	if (ut_dulint_is_zero(limit_trx_no)) {
 
 		limit_trx_no = purge_sys->purge_trx_no;
 		limit_undo_no = purge_sys->purge_undo_no;

trx/trx0trx.c

@@ -127,7 +127,7 @@ trx_create(
 	trx->must_flush_log_later = FALSE;
 
 	trx->dict_operation = FALSE;
-	trx->table_id = ut_dulint_create(0, 0);
+	trx->table_id = ut_dulint_zero;
 	trx->dict_undo_list = NULL;
 	trx->dict_redo_list = NULL;
 	trx->sync_cb = NULL;
@@ -1774,7 +1774,7 @@ trx_print(
 		fputs(", holds adaptive hash latch", f);
 	}
 
-	if (ut_dulint_cmp(trx->undo_no, ut_dulint_zero) != 0) {
+	if (!ut_dulint_is_zero(trx->undo_no)) {
 		newline = TRUE;
 		fprintf(f, ", undo log entries %lu",
 			(ulong) ut_dulint_get_low(trx->undo_no));

trx/trx0undo.c

@@ -1120,7 +1120,7 @@ trx_undo_truncate_start(
 
 	ut_ad(mutex_own(&(rseg->mutex)));
 
-	if (0 == ut_dulint_cmp(limit, ut_dulint_zero)) {
+	if (ut_dulint_is_zero(limit)) {
 
 		return;
 	}