generic-library/cxx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Initialize pointer in string conversion helpers to prevent MSAN diagnostic.

Browse Source 
Since the initialization of the pointer happens across the libc library boundry
MSAN will not know the pointer was initialized. This fixes MSAN failures in
test/strings/string.conversions.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@222052 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier 2014-11-14 22:23:57 +00:00
parent 1383dc5bd0
commit 017e1aab88
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/string.cpp
View File

@ -63,7 +63,7 @@ inline
V
as_integer_helper(const string& func, const S& str, size_t* idx, int base, F f)
{
typename S::value_type* ptr;
typename S::value_type* ptr = nullptr;
const typename S::value_type* const p = str.c_str();
typename remove_reference<decltype(errno)>::type errno_save = errno;
errno = 0;
@ -180,7 +180,7 @@ inline
V
as_float_helper(const string& func, const S& str, size_t* idx, F f )
{
typename S::value_type* ptr;
typename S::value_type* ptr = nullptr;
const typename S::value_type* const p = str.c_str();
typename remove_reference<decltype(errno)>::type errno_save = errno;
errno = 0;