Hook up warning for an incomplete scanlist in scanf format strings.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108542 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index d789730715..370d350329 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -1617,9 +1617,17 @@ public:
   bool HandleScanfSpecifier(const analyze_scanf::ScanfSpecifier &FS,
                             const char *startSpecifier,
                             unsigned specifierLen);
+
+  void HandleIncompleteScanList(const char *start, const char *end);
 };
 }
 
+void CheckScanfHandler::HandleIncompleteScanList(const char *start,
+                                                 const char *end) {
+  S.Diag(getLocationOfByte(end), diag::warn_scanf_scanlist_incomplete)
+    << getSpecifierRange(start, end - start);
+}
+
 bool CheckScanfHandler::HandleScanfSpecifier(
                                        const analyze_scanf::ScanfSpecifier &FS,
                                        const char *startSpecifier,