As the length of any logical is limited to 255 bytes.
Tested on x86_64-pc-linux-gnu, committed on trunk
2011-08-29 Tristan Gingold <ging...@adacore.com>
* gnatcmd.adb (GNATCmd): On OpenVMS, truncate the length of
GNAT_DRIVER_COMMAND_LINE to 255.
Index: gnatcmd.adb
===================================================================
--- gnatcmd.adb (revision 178155)
+++ gnatcmd.adb (working copy)
@@ -202,6 +202,9 @@
-- indicate that the underlying tool (gnatcheck, gnatpp or gnatmetric)
-- should be invoked for all sources of all projects.
+ Max_OpenVMS_Logical_Length : constant Integer := 255;
+ -- The maximum length of OpenVMS logicals
+
-----------------------
-- Local Subprograms --
-----------------------
@@ -1420,6 +1423,15 @@
Add_Str_To_Name_Buffer (Argument (J));
end loop;
+ -- On OpenVMS, setenv creates a logical whose length is limited to
+ -- 255 bytes.
+
+ if OpenVMS and then Name_Len > Max_OpenVMS_Logical_Length then
+ Name_Buffer (Max_OpenVMS_Logical_Length - 2
+ .. Max_OpenVMS_Logical_Length) := "...";
+ Name_Len := Max_OpenVMS_Logical_Length;
+ end if;
+
Setenv ("GNAT_DRIVER_COMMAND_LINE", Name_Buffer (1 .. Name_Len));
-- Add the directory where the GNAT driver is invoked in front of the path,
