commit fed2659869ec41a93f655be8058568ddab419e01
author Daniel Micay <danielmicay@gmail.com> Sat Jul 18 13:55:51 2015 -0400
committer Daniel Micay <danielmicay@gmail.com> Thu Jul 23 18:55:46 2015 -0400
tree 5dca1c6f1f120a561d5279eb76816e94e210cb94
parent 2565492db0d67b95348cd1c3026ed338ca59aa37

add fortified implementations of fread/fwrite

A __size_mul_overflow utility is used to take advantage of the checked
overflow intrinsics in Clang and GCC (>= 5). The fallback for older
compilers is the optimized but less than ideal overflow checking pattern
used in OpenBSD.

Change-Id: Ibb0d4fd9b5acb67983e6a9f46844c2fd444f7e69

libc/Android.mk

diff --git a/libc/Android.mk b/libc/Android.mk
index de0bb41..5e09cf9 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -70,6 +70,8 @@
 libc_common_src_files += \
     bionic/__FD_chk.cpp \
     bionic/__fgets_chk.cpp \
+    bionic/__fread_chk.cpp \
+    bionic/__fwrite_chk.cpp \
     bionic/__memchr_chk.cpp \
     bionic/__memmove_chk.cpp \
     bionic/__memrchr_chk.cpp \