2010-12-06 Jerry DeLisle <jvdelisle@gcc.gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / ada / s-conca2.ads

diff --git a/gcc/ada/s-conca2.ads b/gcc/ada/s-conca2.ads
index b0fa859..c5c7a28 100644 (file)
--- a/gcc/ada/s-conca2.ads
+++ b/gcc/ada/s-conca2.ads
@@ -38,8 +38,15 @@ package System.Concat_2 is
 
    procedure Str_Concat_2 (R : out String; S1, S2 : String);
    --  Performs the operation R := S1 & S2. The bounds of R are known to be
-   --  correct, so no bounds checks are required, and it is known that none
-   --  of the input operands overlaps R. No assumptions can be made about
-   --  the lower bounds of any of the operands.
+   --  correct (usually set by a call to the Str_Concat_Bounds_2 procedure
+   --  below), so no bounds checks are required, and it is known that none of
+   --  the input operands overlaps R. No assumptions can be made about the
+   --  lower bounds of any of the operands.
+
+   procedure Str_Concat_Bounds_2
+     (Lo, Hi : out Natural;
+      S1, S2 : String);
+   --  Assigns to Lo..Hi the bounds of the result of concatenating the two
+   --  given strings, following the rules in the RM regarding null operands.
 
 end System.Concat_2;