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COMP: fix possible poroblem with freed memory

This commit is contained in:
Ken Martin 2005-06-22 14:16:18 -04:00
parent 6e6bfc752b
commit de89c6fa69
1 changed files with 6 additions and 2 deletions
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8
Source/cmForEachCommand.cxx
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@ -34,7 +34,11 @@ IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf)
if(!expandedArguments.empty() && (expandedArguments[0] == m_Args[0]))
{
// store the old value
const char *oldDef = mf.GetDefinition(m_Args[0].c_str());
std::string oldDef;
if (mf.GetDefinition(m_Args[0].c_str()))
{
oldDef = mf.GetDefinition(m_Args[0].c_str());
}
m_Executing = true;
std::vector<std::string>::const_iterator j = m_Args.begin();
++j;
@ -52,7 +56,7 @@ IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf)
}
}
// restore the variable to its prior value
mf.AddDefinition(m_Args[0].c_str(),oldDef);
mf.AddDefinition(m_Args[0].c_str(),oldDef.c_str());
mf.RemoveFunctionBlocker(lff);
return true;
}