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Fixed a bug in the path remapper that caused 

a crash if the path to be remaped was NULL.

<rdar://problem/12371888>

llvm-svn: 164653
This commit is contained in:
Sean Callanan 2012-09-26 01:28:11 +00:00
parent 2998d25a6e
commit f601503ae6
1 changed files with 6 additions and 1 deletions
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7
lldb/source/Target/PathMappingList.cpp
View File

@ -172,12 +172,17 @@ PathMappingList::Clear (bool notify)
bool
PathMappingList::RemapPath (const ConstString &path, ConstString &new_path) const
{
const char *path_cstr = path.GetCString();
if (!path_cstr)
return false;
const_iterator pos, end = m_pairs.end();
for (pos = m_pairs.begin(); pos != end; ++pos)
{
const size_t prefixLen = pos->first.GetLength();
if (::strncmp (pos->first.GetCString(), path.GetCString(), prefixLen) == 0)
if (::strncmp (pos->first.GetCString(), path_cstr, prefixLen) == 0)
{
std::string new_path_str (pos->second.GetCString());
new_path_str.append(path.GetCString() + prefixLen);