maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Initialize pointer in string conversion helpers to prevent MSAN diagnostic. 

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.

llvm-svn: 222052
This commit is contained in:
Eric Fiselier 2014-11-14 22:23:57 +00:00
parent 0425c7c726
commit d6bd7bf6ba
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libcxx/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;