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Add support for: -o -

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6485 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-05-31 21:47:16 +00:00
parent eea93839eb
commit 3ce0ea8fd8
6 changed files with 60 additions and 42 deletions
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18
tools/llvm-as/llvm-as.cpp
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@@ -53,14 +53,18 @@ int main(int argc, char **argv) {
if (DumpAsm) std::cerr << "Here's the assembly:\n" << M.get();
if (OutputFilename != "") { // Specified an output filename?
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
<< "': file exists!\n"
<< "Use -f command line argument to force output\n";
return 1;
if (OutputFilename != "-") { // Not stdout?
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
<< "': file exists!\n"
<< "Use -f command line argument to force output\n";
return 1;
}
Out = new std::ofstream(OutputFilename.c_str());
} else { // Specified stdout
Out = &std::cout;
}
Out = new std::ofstream(OutputFilename.c_str());
} else {
if (InputFilename == "-") {
OutputFilename = "-";