Revert "Fix Clang-tidy modernize-deprecated-headers warnings in remaining files; other minor fixes."

This reverts commit r265454 since it broke the build.  E.g.:

  http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_build/22413/

llvm-svn: 265459

1 files changed, 5 insertions, 10 deletions

diff --git a/llvm/lib/Support/SHA1.cpp b/llvm/lib/Support/SHA1.cpp
index 5ff2eed34c4..980c3bbffac 100644
--- a/llvm/lib/Support/SHA1.cpp
+++ b/llvm/lib/Support/SHA1.cpp
@@ -1,4 +1,4 @@
-//===--- SHA1.h - Private copy of the SHA1 implementation -------*- C++ -*-===//
+//======- SHA1.h - Private copy of the SHA1 implementation ---*- C++ -* ======//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -13,14 +13,13 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Host.h"
 #include "llvm/Support/SHA1.h"
-
-#include <cstring>
-
 using namespace llvm;
 
+#include <stdint.h>
+#include <string.h>
+
 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
 #define SHA_BIG_ENDIAN
 #endif
@@ -47,14 +46,10 @@ void SHA1::init() {
   InternalState.BufferOffset = 0;
 }
 
-namespace {
-
-uint32_t rol32(uint32_t number, uint8_t bits) {
+static uint32_t rol32(uint32_t number, uint8_t bits) {
   return ((number << bits) | (number >> (32 - bits)));
 }
 
-} // end anonymous namespace
-
 void SHA1::hashBlock() {
   uint8_t i;
   uint32_t a, b, c, d, e, t;