Added mkstemp64

Bug: 13076637
Change-Id: I41bf28ab3e6c7325470781e9323eeec023483df5

libc/Android.mk

@@ -231,6 +231,7 @@ libc_bionic_src_files := \
     bionic/getcwd.cpp \
     bionic/inotify_init.cpp \
     bionic/lchown.cpp \
+    bionic/lfs64_support.cpp \
     bionic/libc_init_common.cpp \
     bionic/libc_logging.cpp \
     bionic/libgen.cpp \

libc/bionic/lfs64_support.cpp

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+
+int mkstemp64(char* filename) {
+  // Delegation will work in this case because all the transitive dependencies
+  // are already 64-bit ready. In particular, we don't have non-O_LARGEFILE
+  // open (our open is actually open64) and stat and stat64 are the same.
+  return mkstemp(filename);
+}

libc/include/stdlib.h

@@ -54,6 +54,7 @@ extern int clearenv(void);
 extern char* mkdtemp(char*);
 extern char* mktemp(char*) __warnattr("mktemp possibly used unsafely; consider using mkstemp");
 extern int mkstemp(char*);
+extern int mkstemp64(char*);
 
 extern long strtol(const char *, char **, int);
 extern long long strtoll(const char *, char **, int);