Clean up use of C allocation functions

If the value returned by `malloc`, `calloc` or `realloc` is not checked
for null pointer, this change replaces them for `safe_malloc`,
`safe_calloc` or `safe_realloc`, which are defined in the namespace `llvm`.
These function report fatal error on out of memory.

In the plain C files, assertion statements are added to ensure that memory
is successfully allocated.

The aim of this change is to get better diagnostics of OOM on Windows.

Differential Revision: https://reviews.llvm.org/D43017

llvm-svn: 325661

1 files changed, 1 insertions, 1 deletions

diff --git a/clang/tools/libclang/CXString.cpp b/clang/tools/libclang/CXString.cpp
index 44860317920..cef4e53a42c 100644
--- a/clang/tools/libclang/CXString.cpp
+++ b/clang/tools/libclang/CXString.cpp
@@ -96,7 +96,7 @@ CXString createRef(StringRef String) {
 
 CXString createDup(StringRef String) {
   CXString Result;
-  char *Spelling = static_cast<char *>(malloc(String.size() + 1));
+  char *Spelling = static_cast<char *>(llvm::safe_malloc(String.size() + 1));
   memmove(Spelling, String.data(), String.size());
   Spelling[String.size()] = 0;
   Result.data = Spelling;