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Findadv: 2 more possible out of range access cases corrected

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This commit is contained in:
Kornel Benko 2020-05-26 18:49:50 +02:00
parent 8dd2ac7171
commit b7cac34d96
1 changed files with 7 additions and 5 deletions
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12
src/lyxfind.cpp
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@ -2354,7 +2354,9 @@ int LatexInfo::dispatch(ostringstream &os, int previousStart, KeyInfo &actual)
int numpars = 0;
int spaces = 0;
while (actual._tokenstart > numpars) {
if (interval_.par[pos+numpars] == ']' && interval_.par[actual._tokenstart-numpars-1] == '[')
if (pos+numpars >= interval_.par.size())
break;
else if (interval_.par[pos+numpars] == ']' && interval_.par[actual._tokenstart-numpars-1] == '[')
numpars++;
else if (interval_.par[pos+numpars] == '}' && interval_.par[actual._tokenstart-numpars-1] == '{')
numpars++;
@ -2535,7 +2537,7 @@ int LatexInfo::process(ostringstream &os, KeyInfo &actual )
if (oldStart <= end) {
processRegion(oldStart, end);
}
if (interval_.par[end] == '}') {
if (interval_.par.size() > (size_t) end && interval_.par[end] == '}') {
end += 1;
// This is the normal case.
// But if using the firstlanguage, the closing may be missing
@ -2804,9 +2806,9 @@ MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const &
lng -= 2;
open_braces++;
}
else
else
break;
}
}
if (lng < par_as_string.size())
par_as_string = par_as_string.substr(0,lng);
/*
@ -3014,7 +3016,7 @@ MatchResult MatchStringAdv::findAux(DocIterator const & cur, int len, bool at_be
mres.match2end = str.size() - pos;
mres.pos = pos;
return mres;
}
}
}
return mres;
}