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Fix memory error detected by valgrind

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The assignment name = sub.str(1) reads from the first argument given to
regex_match(), but previously this was a temporary object which was already
out of scope. This did probably not matter much in practice, but invoked
undefined behaviour, and as we all know this is allowed ton format your hard
disk or kill to your cat, so better fix this.
This commit is contained in:
Georg Baum 2014-11-17 22:08:21 +01:00
parent f146bded7a
commit e5845fea49
1 changed files with 2 additions and 2 deletions
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4
src/LaTeX.cpp
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@ -666,8 +666,8 @@ int LaTeX::scanLogFile(TeXErrors & terr)
size_t len = j == string::npos
? token.substr(i + 1).length()
: j - i - 1;
if (regex_match(token.substr(i + 1, len),
sub, child_file)) {
string const substr = token.substr(i + 1, len);
if (regex_match(substr, sub, child_file)) {
string const name = sub.str(1);
child.push(make_pair(name, pnest));
i += len;