C API: Add LLVMGetBufferSize()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179647 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm-c/Core.h

@@ -2580,6 +2580,7 @@ LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputD
                                                               size_t InputDataLength,
                                                               const char *BufferName);
 const char* LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf);
+size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf);
 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
 
 /**

lib/IR/Core.cpp

@@ -2459,6 +2459,10 @@ const char* LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf) {
   return unwrap(MemBuf)->getBufferStart();
 }
 
+size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf) {
+  return unwrap(MemBuf)->getBufferSize();
+}
+
 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf) {
   delete unwrap(MemBuf);
 }