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file(WRITE): Report errors during write operation

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We already report an error if the file cannot be opened for writing.
Add another check to report an error if a write operation itself fails.
This commit is contained in:
Ruslan Baratov
2018-05-15 21:36:36 +03:00
committed by Brad King
parent 743f24bac6
commit 2db4945150
1 changed files with 8 additions and 0 deletions
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8
Source/cmFileCommand.cxx
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@@ -232,6 +232,14 @@ bool cmFileCommand::HandleWriteCommand(std::vector<std::string> const& args,
}
std::string message = cmJoin(cmMakeRange(i, args.end()), std::string());
file << message;
if (!file) {
std::string error = "write failed (";
error += cmSystemTools::GetLastSystemError();
error += "):\n ";
error += fileName;
this->SetError(error);
return false;
}
file.close();
if (mode) {
cmSystemTools::SetPermissions(fileName.c_str(), mode);