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-rw-r--r--Source/cmQtAutoGenerators.cxx20
1 files changed, 13 insertions, 7 deletions
diff --git a/Source/cmQtAutoGenerators.cxx b/Source/cmQtAutoGenerators.cxx
index a9c9b9d36..f91ebb23e 100644
--- a/Source/cmQtAutoGenerators.cxx
+++ b/Source/cmQtAutoGenerators.cxx
@@ -80,15 +80,21 @@ static bool ReadFile(std::string& content, std::string const& filename,
std::size_t const length = cmSystemTools::FileLength(filename);
cmsys::ifstream ifs(filename.c_str(), (std::ios::in | std::ios::binary));
if (ifs) {
- content.resize(length);
- ifs.read(&content.front(), content.size());
- if (ifs) {
- success = true;
+ if (length > 0) {
+ content.resize(length);
+ ifs.read(&content.front(), content.size());
+ if (ifs) {
+ success = true;
+ } else {
+ content.clear();
+ if (error != nullptr) {
+ error->append("Reading from the file failed.");
+ }
+ }
} else {
+ // Readable but empty file
content.clear();
- if (error != nullptr) {
- error->append("Reading from the file failed.");
- }
+ success = true;
}
} else if (error != nullptr) {
error->append("Opening the file for reading failed.");