Auto merge of #4404 - daira:fix-reindex-divby0, r=ebfull

Avoid a theoretical possibility of division-by-zero introduced in #4368 Signed-off-by: Daira Hopwood <daira@jacaranda.org>
zcash · Mar 16, 2020 · fc9d0fa · fc9d0fa
2 parents 5a62631 + b49cdee
commit fc9d0fa
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/init.cpp b/src/init.cpp
@@ -613,7 +613,7 @@ void ThreadImport(std::vector<boost::filesystem::path> vImportFiles)
             nFile++;
             fullSize += boost::filesystem::file_size(blkFile);
         }
-        nFullSizeToReindex = fullSize;
+        nFullSizeToReindex = std::max<size_t>(1, fullSize);
         nFile = 0;
         while (true) {
             CDiskBlockPos pos(nFile, 0);