Add overloads for getFile and getFileOrSTDIN which take a const char *
instead of a StringRef, avoiding the need to copy the string in the
common case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106754 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/MemoryBuffer.cpp b/lib/Support/MemoryBuffer.cpp
index e8c34da..b1a767c 100644
--- a/lib/Support/MemoryBuffer.cpp
+++ b/lib/Support/MemoryBuffer.cpp
@@ -141,6 +141,15 @@
return getFile(Filename, ErrStr, FileSize, FileInfo);
}
+MemoryBuffer *MemoryBuffer::getFileOrSTDIN(const char *Filename,
+ std::string *ErrStr,
+ int64_t FileSize,
+ struct stat *FileInfo) {
+ if (strcmp(Filename, "-") == 0)
+ return getSTDIN(ErrStr);
+ return getFile(Filename, ErrStr, FileSize, FileInfo);
+}
+
//===----------------------------------------------------------------------===//
// MemoryBuffer::getFile implementation.
//===----------------------------------------------------------------------===//
@@ -177,12 +186,17 @@
MemoryBuffer *MemoryBuffer::getFile(StringRef Filename, std::string *ErrStr,
int64_t FileSize, struct stat *FileInfo) {
- int OpenFlags = 0;
+ SmallString<256> PathBuf(Filename.begin(), Filename.end());
+ return MemoryBuffer::getFile(PathBuf.c_str(), ErrStr, FileSize, FileInfo);
+}
+
+MemoryBuffer *MemoryBuffer::getFile(const char *Filename, std::string *ErrStr,
+ int64_t FileSize, struct stat *FileInfo) {
+ int OpenFlags = O_RDONLY;
#ifdef O_BINARY
OpenFlags |= O_BINARY; // Open input file in binary mode on win32.
#endif
- SmallString<256> PathBuf(Filename.begin(), Filename.end());
- int FD = ::open(PathBuf.c_str(), O_RDONLY|OpenFlags);
+ int FD = ::open(Filename, OpenFlags);
if (FD == -1) {
if (ErrStr) *ErrStr = sys::StrError();
return 0;