createUniqueFile() is documented to create the file in the temporary …

…directory unless it's supplied an absolute path.

Make sure the output filepath supplied to createUniqueFile() in HTMLDiagnostics::ReportDiag() is absolute.

Summary: Make sure the output filepath supplied to createUniqueFile() in HTMLDiagnostics::ReportDiag() is absolute.

Reviewers: rsmith, akyrtzi

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D12774

llvm-svn: 248977

clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp

@@ -281,7 +281,12 @@ void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D,
 
   if (!AnalyzerOpts.shouldWriteStableReportFilename()) {
       llvm::sys::path::append(Model, Directory, "report-%%%%%%.html");
-
+      if (std::error_code EC =
+          llvm::sys::fs::make_absolute(Model)) {
+          llvm::errs() << "warning: could not make '" << Model
+                       << "' absolute: " << EC.message() << '\n';
+        return;
+      }
       if (std::error_code EC =
           llvm::sys::fs::createUniqueFile(Model, FD, ResultPath)) {
           llvm::errs() << "warning: could not create file in '" << Directory