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Add basic error checking to MemoryBuffer::getSTDIN.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104855 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-05-27 17:31:51 +00:00
parent 95131fcb67
commit 30377e7809
4 changed files with 26 additions and 20 deletions
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21
lib/Linker/LinkItems.cpp
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@@ -160,16 +160,17 @@ bool Linker::LinkInFile(const sys::Path &File, bool &is_native) {
// Check for a file of name "-", which means "read standard input"
if (File.str() == "-") {
std::auto_ptr<Module> M;
MemoryBuffer *Buffer = MemoryBuffer::getSTDIN();
if (!Buffer->getBufferSize()) {
delete Buffer;
Error = "standard input is empty";
} else {
M.reset(ParseBitcodeFile(Buffer, Context, &Error));
delete Buffer;
if (M.get())
if (!LinkInModule(M.get(), &Error))
return false;
if (MemoryBuffer *Buffer = MemoryBuffer::getSTDIN(&Error)) {
if (!Buffer->getBufferSize()) {
delete Buffer;
Error = "standard input is empty";
} else {
M.reset(ParseBitcodeFile(Buffer, Context, &Error));
delete Buffer;
if (M.get())
if (!LinkInModule(M.get(), &Error))
return false;
}
}
return error("Cannot link stdin: " + Error);
}