2009-08-17 Robert Dewar <dewar@adacore.com>

	* prj-env.adb: Minor reformatting
	* sem_ch3.adb: Minor reformatting

2009-08-17  Hristian Kirtchev  <kirtchev@adacore.com>

	* sysdep.c (__gnat_localtime_tzoff): VxWorks case - Flip the sign of
	the time zone since VxWorks chose positive values to represent west
	time zones and negative for east zones.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@150826 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 48 insertions, 24 deletions

diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 10e15169911..ebbd96d6cc2 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,14 @@
+2009-08-17  Robert Dewar  <dewar@adacore.com>
+
+	* prj-env.adb: Minor reformatting
+	* sem_ch3.adb: Minor reformatting
+
+2009-08-17  Hristian Kirtchev  <kirtchev@adacore.com>
+
+	* sysdep.c (__gnat_localtime_tzoff): VxWorks case - Flip the sign of
+	the time zone since VxWorks chose positive values to represent west
+	time zones and negative for east zones.
+
 2009-08-17  Ed Schonberg  <schonberg@adacore.com>
 
 	* sem_ch3.adb (Access_Definition): Do not create an Itype reference for
diff --git a/gcc/ada/prj-env.adb b/gcc/ada/prj-env.adb
index 16680521054..c14cbd63d20 100644
--- a/gcc/ada/prj-env.adb
+++ b/gcc/ada/prj-env.adb
@@ -222,17 +222,20 @@ package body Prj.Env is
    -- Add_To_Buffer --
    -------------------
 
+   --  Wouldn't it be more consistent to use a Table for Buffer ???
+
    procedure Add_To_Buffer
      (S           : String;
       Buffer      : in out String_Access;
       Buffer_Last : in out Natural)
    is
       Last : constant Natural := Buffer_Last + S'Length;
+
    begin
       while Last > Buffer'Last loop
          declare
             New_Buffer : constant String_Access :=
-              new String (1 .. 2 * Buffer'Last);
+                           new String (1 .. 2 * Buffer'Last);
 
          begin
             New_Buffer (1 .. Buffer_Last) := Buffer (1 .. Buffer_Last);
@@ -446,7 +449,7 @@ package body Prj.Env is
       Namings        : Naming_Table.Instance;
       --  Table storing the naming data for gnatmake/gprmake
 
-      Buffer : String_Access := new String (1 .. Buffer_Initial);
+      Buffer      : String_Access := new String (1 .. Buffer_Initial);
       Buffer_Last : Natural := 0;
 
       File_Name : Path_Name_Type  := No_Path;
@@ -471,7 +474,7 @@ package body Prj.Env is
       --  file with procedure Write_Temp_File below.
 
       procedure Write_Temp_File;
-      --  Create a temporary file and put the content of the buffer in it.
+      --  Create a temporary file and put the content of the buffer in it
 
       -----------
       -- Check --
@@ -630,6 +633,7 @@ package body Prj.Env is
       procedure Write_Temp_File is
          Status : Boolean := False;
          Last   : Natural;
+
       begin
          Tempdir.Create_Temp_File (File, File_Name);
 
@@ -646,15 +650,15 @@ package body Prj.Env is
          end if;
       end Write_Temp_File;
 
-      procedure Check_Imported_Projects is new For_Every_Project_Imported
-        (Integer, Check);
+      procedure Check_Imported_Projects is
+        new For_Every_Project_Imported (Integer, Check);
+
       Dummy : Integer := 0;
 
    --  Start of processing for Create_Config_Pragmas_File
 
    begin
       if not For_Project.Config_Checked then
-
          Naming_Table.Init (Namings);
 
          --  Check the naming schemes
@@ -866,7 +870,7 @@ package body Prj.Env is
       For_Every_Imported_Project (Project, Dummy);
 
       declare
-         Last : Natural;
+         Last   : Natural;
          Status : Boolean := False;
 
       begin
@@ -1524,9 +1528,8 @@ package body Prj.Env is
       Status : Boolean;
       --  For calls to Close
 
-      Last         : Natural;
-
-      Buffer       : String_Access := new String (1 .. Buffer_Initial);
+      Last        : Natural;
+      Buffer      : String_Access := new String (1 .. Buffer_Initial);
       Buffer_Last : Natural := 0;
 
       procedure Recursive_Add (Project : Project_Id; Dummy : in out Boolean);
@@ -1569,6 +1572,7 @@ package body Prj.Env is
 
       procedure For_All_Projects is
         new For_Every_Project_Imported (Boolean, Recursive_Add);
+
       Dummy : Boolean := False;
 
    --  Start of processing for Set_Ada_Paths
@@ -1657,7 +1661,6 @@ package body Prj.Env is
 
          if Last = Buffer_Last then
             Close (Object_FD, Status);
-
          else
             Status := False;
          end if;
diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb
index 8b24cd6d071..c514206c00d 100644
--- a/gcc/ada/sem_ch3.adb
+++ b/gcc/ada/sem_ch3.adb
@@ -932,13 +932,14 @@ package body Sem_Ch3 is
          Build_Itype_Reference (Anon_Type, Parent (Parent (Related_Nod)));
 
       --  Similarly, if the access definition is the return result of a
-      --  function, create an itype reference for it because it
-      --  will be used within the function body. For a regular function that
-      --  is not a compilation unit, insert reference after the declaration.
-      --  For a protected operation, insert it after the enclosing protected
-      --  type declaration. In either case, do not create a reference for a
-      --  type obtained through a limited_with clause, because this would
-      --  introduce semantic dependencies.
+      --  function, create an itype reference for it because it will be used
+      --  within the function body. For a regular function that is not a
+      --  compilation unit, insert reference after the declaration. For a
+      --  protected operation, insert it after the enclosing protected type
+      --  declaration. In either case, do not create a reference for a type
+      --  obtained through a limited_with clause, because this would introduce
+      --  semantic dependencies.
+
       --  Similarly, do not create a reference if the designated type is a
       --  generic formal, because no use of it will reach the backend.
 
@@ -955,10 +956,10 @@ package body Sem_Ch3 is
             Build_Itype_Reference (Anon_Type, Parent (Related_Nod));
          end if;
 
-      --  Finally, create an itype reference for an object declaration of
-      --  an anonymous access type. This is strictly necessary only for
-      --  deferred constants, but in any case will avoid out-of-scope
-      --  problems in the back-end.
+      --  Finally, create an itype reference for an object declaration of an
+      --  anonymous access type. This is strictly necessary only for deferred
+      --  constants, but in any case will avoid out-of-scope problems in the
+      --  back-end.
 
       elsif Nkind (Related_Nod) = N_Object_Declaration then
          Build_Itype_Reference (Anon_Type, Related_Nod);
diff --git a/gcc/ada/sysdep.c b/gcc/ada/sysdep.c
index ffda3abaeec..6019fd9cf91 100644
--- a/gcc/ada/sysdep.c
+++ b/gcc/ada/sysdep.c
@@ -868,6 +868,8 @@ __gnat_localtime_tzoff (const time_t *timer, long *off)
 
   (*Unlock_Task) ();
 
+  /* Correct the offset if Daylight Saving Time is in effect */
+
   if (tp.tm_isdst > 0)
     *off = *off + 3600;
 }
@@ -902,9 +904,16 @@ __gnat_localtime_tzoff (const time_t *timer, long *off)
     tz_end = index (tz_start, ':');
     tz_end = '\0';
 
-    /* The Ada layer expects an offset in seconds */
+    /* The Ada layer expects an offset in seconds. Note that we must reverse
+       the sign of the result since west is positive and east is negative on
+       VxWorks targets. */
+
+    *off = -atol (tz_start) * 60;
+
+    /* Correct the offset if Daylight Saving Time is in effect */
 
-    *off = atol (tz_start) * 60;
+    if (tp.tm_isdst > 0)
+      *off = *off - 3600;
   }
 
   (*Unlock_Task) ();