do not call calc_checksum for non regular files. add an Assert

alubennikova · alubennikova · commit 765524854cf0 · 2017-09-26T20:13:23.000+03:00
diff --git a/src/backup.c b/src/backup.c
@@ -1230,7 +1230,8 @@ pg_stop_backup(pgBackup *backup)
 			if (backup_files_list)
 			{
 				file = pgFileNew(tablespace_map, true);
-				calc_file_checksum(file);
+				if (S_ISREG(file->mode))
+					calc_file_checksum(file);
 				free(file->path);
 				file->path = strdup(PG_TABLESPACE_MAP_FILE);
 				parray_append(backup_files_list, file);
diff --git a/src/data.c b/src/data.c
@@ -997,6 +997,7 @@ calc_file_checksum(pgFile *file)
 	struct stat	st;
 	pg_crc32	crc;
 
+	Assert(S_ISREG(file->mode));
 	INIT_CRC32C(crc);
 
 	/* reset size summary */
