Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with error_code &ec. And fix clients.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Archive/Archive.cpp b/lib/Archive/Archive.cpp
index e2e5593..3ce7fbd 100644
--- a/lib/Archive/Archive.cpp
+++ b/lib/Archive/Archive.cpp
@@ -17,6 +17,7 @@
#include "llvm/Module.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Process.h"
+#include "llvm/Support/system_error.h"
#include <memory>
#include <cstring>
using namespace llvm;
@@ -147,9 +148,13 @@
bool
Archive::mapToMemory(std::string* ErrMsg) {
- mapfile = MemoryBuffer::getFile(archPath.c_str(), ErrMsg);
- if (mapfile == 0)
+ error_code ec;
+ mapfile = MemoryBuffer::getFile(archPath.c_str(), ec);
+ if (mapfile == 0) {
+ if (ErrMsg)
+ *ErrMsg = ec.message();
return true;
+ }
base = mapfile->getBufferStart();
return false;
}
@@ -213,10 +218,12 @@
LLVMContext& Context,
std::vector<std::string>& symbols,
std::string* ErrMsg) {
+ error_code ec;
std::auto_ptr<MemoryBuffer> Buffer(
- MemoryBuffer::getFileOrSTDIN(fName.c_str()));
+ MemoryBuffer::getFileOrSTDIN(fName.c_str(), ec));
if (!Buffer.get()) {
- if (ErrMsg) *ErrMsg = "Could not open file '" + fName.str() + "'";
+ if (ErrMsg) *ErrMsg = "Could not open file '" + fName.str() + "'" + ": "
+ + ec.message();
return true;
}