From: Claire Dross <dr...@adacore.com>
Item might not be entirely initialized after a call to Get_Line.
gcc/ada/
* libgnat/a-textio.ads (Get_Line): Use Relaxed_Initialization on
the Item parameter of Get_Line.
Tested on x86_64-pc-linux-gnu, committed on master.
---
gcc/ada/libgnat/a-textio.ads | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/gcc/ada/libgnat/a-textio.ads b/gcc/ada/libgnat/a-textio.ads
index ddbbd8592cc..4318b6c62b8 100644
--- a/gcc/ada/libgnat/a-textio.ads
+++ b/gcc/ada/libgnat/a-textio.ads
@@ -523,24 +523,28 @@ is
Item : out String;
Last : out Natural)
with
- Pre => Is_Open (File) and then Mode (File) = In_File,
- Post =>
+ Relaxed_Initialization => Item,
+ Pre => Is_Open (File) and then Mode (File) = In_File,
+ Post =>
(if Item'Length > 0 then Last in Item'First - 1 .. Item'Last
- else Last = Item'First - 1),
- Global => (In_Out => File_System),
- Exceptional_Cases => (End_Error => Item'Length'Old > 0);
+ else Last = Item'First - 1)
+ and (for all I in Item'First .. Last => Item (I)'Initialized),
+ Global => (In_Out => File_System),
+ Exceptional_Cases => (End_Error => Item'Length'Old > 0);
procedure Get_Line
(Item : out String;
Last : out Natural)
with
- Post =>
+ Relaxed_Initialization => Item,
+ Post =>
Line_Length'Old = Line_Length
and Page_Length'Old = Page_Length
and (if Item'Length > 0 then Last in Item'First - 1 .. Item'Last
- else Last = Item'First - 1),
- Global => (In_Out => File_System),
- Exceptional_Cases => (End_Error => Item'Length'Old > 0);
+ else Last = Item'First - 1)
+ and (for all I in Item'First .. Last => Item (I)'Initialized),
+ Global => (In_Out => File_System),
+ Exceptional_Cases => (End_Error => Item'Length'Old > 0);
function Get_Line (File : File_Type) return String with SPARK_Mode => Off;
pragma Ada_05 (Get_Line);
--
2.40.0
