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[Ada] Fix potential Constraint_Error if Library_Version is too long 

2018-07-31  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	* gnatlink.adb: Fix potential Constraint_Error if
	Library_Version is too long.

From-SVN: r263107
This commit is contained in:
Arnaud Charlet 2018-07-31 09:56:53 +00:00 committed by Pierre-Marie de Rodat
parent fa9f3f8c44
commit 1c0b35aac9
2 changed files with 9 additions and 2 deletions
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5
gcc/ada/ChangeLog
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@ -1,3 +1,8 @@
2018-07-31 Arnaud Charlet <charlet@adacore.com>
* gnatlink.adb: Fix potential Constraint_Error if
Library_Version is too long.
2018-07-31 Arnaud Charlet <charlet@adacore.com>
* sem_elab.adb: Remove duplicate condition detected by CodePeer.

6
gcc/ada/gnatlink.adb
View File

@ -1102,8 +1102,10 @@ procedure Gnatlink is
-- We will be looking for the static version of the library
-- as it is in the same directory as the shared version.
if Next_Line (Nlast - Library_Version'Length + 1 .. Nlast) =
Library_Version
if Nlast >= Library_Version'Length
and then Next_Line
(Nlast - Library_Version'Length + 1 .. Nlast)
= Library_Version
then
-- Set Last to point to last character before the
-- library version.