Make 'opt -o -' work correctly instead of creating a file named './-'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10359 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-12-10 14:41:33 +00:00
parent a2706518f9
commit b592fc2b8d

View File

@ -44,7 +44,7 @@ InputFilename(cl::Positional, cl::desc("<input bytecode>"), cl::init("-"));
static cl::opt<std::string>
OutputFilename("o", cl::desc("Override output filename"),
cl::value_desc("filename"));
cl::value_desc("filename"), cl::init("-"));
static cl::opt<bool>
Force("f", cl::desc("Overwrite output files"));
@ -93,7 +93,7 @@ int main(int argc, char **argv) {
// Figure out what stream we are supposed to write to...
std::ostream *Out = &std::cout; // Default to printing to stdout...
if (OutputFilename != "") {
if (OutputFilename != "-") {
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
std::cerr << argv[0] << ": error opening '" << OutputFilename