Index: clang-tidy/android/AndroidTidyModule.cpp
===================================================================
--- clang-tidy/android/AndroidTidyModule.cpp
+++ clang-tidy/android/AndroidTidyModule.cpp
@@ -10,6 +10,7 @@
 #include "../ClangTidy.h"
 #include "../ClangTidyModule.h"
 #include "../ClangTidyModuleRegistry.h"
+#include "CreatUsageCheck.h"
 #include "FileOpenFlagCheck.h"
 
 using namespace clang::ast_matchers;
@@ -24,6 +25,7 @@
 public:
   void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override {
     CheckFactories.registerCheck<FileOpenFlagCheck>("android-file-open-flag");
+    CheckFactories.registerCheck<CreatUsageCheck>("android-creat-usage");
   }
 };
 
Index: clang-tidy/android/CMakeLists.txt
===================================================================
--- clang-tidy/android/CMakeLists.txt
+++ clang-tidy/android/CMakeLists.txt
@@ -2,6 +2,7 @@
 
 add_clang_library(clangTidyAndroidModule
   AndroidTidyModule.cpp
+  CreatUsageCheck.cpp
   FileOpenFlagCheck.cpp
 
   LINK_LIBS
Index: clang-tidy/android/CreatUsageCheck.h
===================================================================
--- /dev/null
+++ clang-tidy/android/CreatUsageCheck.h
@@ -0,0 +1,39 @@
+//===--- CreatUsageCheck.h - clang-tidy--------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CREAT_USAGE_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CREAT_USAGE_H
+
+#include "../ClangTidy.h"
+
+namespace clang {
+namespace tidy {
+namespace android {
+
+/// creat() is better to be replaced by open().
+/// Find the usage of creat() and redirect user to use open().
+
+/// http://clang.llvm.org/extra/clang-tidy/checks/android-creat-usage.html
+
+class CreatUsageCheck : public ClangTidyCheck {
+public:
+  CreatUsageCheck(StringRef Name, ClangTidyContext *Context)
+      : ClangTidyCheck(Name, Context) {}
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+  inline std::string BuildReplaceText(const Expr *FirstArg,
+                                      const Expr *SecondArg,
+                                      const SourceManager &SM);
+};
+
+} // namespace android
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ANDROID_CREAT_USAGE_H
Index: clang-tidy/android/CreatUsageCheck.cpp
===================================================================
--- /dev/null
+++ clang-tidy/android/CreatUsageCheck.cpp
@@ -0,0 +1,58 @@
+//===--- CreatUsageCheck.cpp - clang-tidy----------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CreatUsageCheck.h"
+#include "../utils/ExprToStr.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Lex/Lexer.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang {
+namespace tidy {
+namespace android {
+
+void CreatUsageCheck::registerMatchers(MatchFinder *Finder) {
+  auto CharPointerType = hasType(pointerType(pointee(isAnyCharacter())));
+  auto MODETType = hasType(namedDecl(hasName("mode_t")));
+
+  Finder->addMatcher(
+      callExpr(
+          callee(functionDecl(isExternC(), hasParameter(0, CharPointerType),
+                              hasParameter(1, MODETType), returns(isInteger()),
+                              hasName("creat"))
+                     .bind("funcDecl")))
+          .bind("creatFn"),
+      this);
+}
+
+void CreatUsageCheck::check(const MatchFinder::MatchResult &Result) {
+  const auto *MatchedCall = Result.Nodes.getNodeAs<CallExpr>("creatFn");
+  const SourceManager &SM = *Result.SourceManager;
+
+  SourceRange Range(MatchedCall->getLocStart(), MatchedCall->getLocEnd());
+  const std::string &ReplacementText =
+      BuildReplaceText(MatchedCall->getArg(0), MatchedCall->getArg(1), SM);
+  diag(MatchedCall->getLocStart(),
+       "prefer open() to creat() because open() allows O_CLOEXEC.")
+      << FixItHint::CreateReplacement(Range, ReplacementText);
+}
+
+std::string CreatUsageCheck::BuildReplaceText(const Expr *FirstArg,
+                                              const Expr *SecondArg,
+                                              const SourceManager &SM) {
+  return "open (" + utils::ExprToStr(FirstArg, SM, getLangOpts()) +
+         ", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, " +
+         utils::ExprToStr(SecondArg, SM, getLangOpts()) + ")";
+}
+
+} // namespace android
+} // namespace tidy
+} // namespace clang
Index: clang-tidy/utils/CMakeLists.txt
===================================================================
--- clang-tidy/utils/CMakeLists.txt
+++ clang-tidy/utils/CMakeLists.txt
@@ -4,6 +4,7 @@
   ASTUtils.cpp
   DeclRefExprUtils.cpp
   ExprSequence.cpp
+  ExprToStr.cpp
   FixItHintUtils.cpp
   HeaderFileExtensionsUtils.cpp
   HeaderGuard.cpp
Index: clang-tidy/utils/ExprToStr.h
===================================================================
--- /dev/null
+++ clang-tidy/utils/ExprToStr.h
@@ -0,0 +1,28 @@
+//===---------- ExprToStr.h - clang-tidy ----------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_EXPRTOSTR_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_EXPRTOSTR_H
+
+#include "../ClangTidy.h"
+#include "clang/Lex/Lexer.h"
+
+namespace clang {
+namespace tidy {
+namespace utils {
+
+// Get the source code of the corresponding expr.
+std::string ExprToStr(const Expr *EX, const SourceManager &SM,
+                      const LangOptions &LangOpts);
+
+} // namespace utils
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_EXPRTOSTR_H
Index: clang-tidy/utils/ExprToStr.cpp
===================================================================
--- /dev/null
+++ clang-tidy/utils/ExprToStr.cpp
@@ -0,0 +1,27 @@
+//===---------- ExprToStr.cpp - clang-tidy --------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ExprToStr.h"
+
+namespace clang {
+namespace tidy {
+namespace utils {
+
+std::string ExprToStr(const Expr *EX, const SourceManager &SM,
+                      const LangOptions &LangOpts) {
+  clang::SourceLocation B(SM.getFileLoc(EX->getLocStart())),
+      E(SM.getFileLoc(EX->getLocEnd()));
+  SourceLocation TE(Lexer::getLocForEndOfToken(E, 0, SM, LangOpts));
+  return std::string(SM.getCharacterData(B),
+                     SM.getCharacterData(TE) - SM.getCharacterData(B));
+}
+
+} // namespace utils
+} // namespace tidy
+} // namespace clang
Index: docs/ReleaseNotes.rst
===================================================================
--- docs/ReleaseNotes.rst
+++ docs/ReleaseNotes.rst
@@ -57,6 +57,11 @@
 Improvements to clang-tidy
 --------------------------
 
+- New `android-creat-call
+  <http://clang.llvm.org/extra/clang-tidy/checks/android-creat-call>`_ check
+
+  Detect usage of ``creat()``.
+
 - New `android-file-open-flag
     <http://clang.llvm.org/extra/clang-tidy/checks/android-file-open-flag>`_ check
 
Index: docs/clang-tidy/checks/android-creat-usage.cpp
===================================================================
--- /dev/null
+++ docs/clang-tidy/checks/android-creat-usage.cpp
@@ -0,0 +1,31 @@
+// RUN: %check_clang_tidy %s android-creat-usage %t
+
+typedef int mode_t;
+
+extern "C" int creat(const char *path, mode_t, ...);
+extern "C" int create(const char *path, mode_t, ...);
+
+void f() {
+  creat("filename", 0);
+  // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: prefer open() to creat() because open() allows O_CLOEXEC. [android-creat-usage]
+  // CHECK-FIXES: open ("filename", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 0);
+  create("filename", 0);
+  // CHECK-MESSAGES-NOT: warning:
+}
+
+namespace i {
+int creat(const char *path, mode_t, ...);
+void g() {
+  creat("filename", 0);
+  // CHECK-MESSAGES-NOT: warning:
+}
+} // namespace i
+
+class C {
+public:
+  int creat(const char *path, mode_t, ...);
+  void h() {
+    creat("filename", 0);
+    // CHECK-MESSAGES-NOT: warning:
+  }
+};
Index: test/clang-tidy/android-creat-usage.cpp
===================================================================
--- /dev/null
+++ test/clang-tidy/android-creat-usage.cpp
@@ -0,0 +1,31 @@
+// RUN: %check_clang_tidy %s android-creat-usage %t
+
+typedef int mode_t;
+
+extern "C" int creat(const char *path, mode_t, ...);
+extern "C" int create(const char *path, mode_t, ...);
+
+void f() {
+  creat("filename", 0);
+  // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: prefer open() to creat() because open() allows O_CLOEXEC. [android-creat-usage]
+  // CHECK-FIXES: open ("filename", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 0);
+  create("filename", 0);
+  // CHECK-MESSAGES-NOT: warning:
+}
+
+namespace i {
+int creat(const char *path, mode_t, ...);
+void g() {
+  creat("filename", 0);
+  // CHECK-MESSAGES-NOT: warning:
+}
+} // namespace i
+
+class C {
+public:
+  int creat(const char *path, mode_t, ...);
+  void h() {
+    creat("filename", 0);
+    // CHECK-MESSAGES-NOT: warning:
+  }
+};