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execcmd::backtick: check that command is not empty

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This commit is contained in:
Jean-Francois Dockes 2016-04-12 17:26:41 +02:00
parent c06eb296c1
commit f03a649559
1 changed files with 4 additions and 0 deletions
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4
src/utils/execmd.cpp
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@ -1007,6 +1007,10 @@ bool ExecCmd::maybereap(int *status)
// Static // Static
bool ExecCmd::backtick(const vector<string> cmd, string& out) bool ExecCmd::backtick(const vector<string> cmd, string& out)
{ {
if (cmd.empty()) {
LOGERR(("ExecCmd::backtick: empty command\n"));
return false;
}
vector<string>::const_iterator it = cmd.begin(); vector<string>::const_iterator it = cmd.begin();
it++; it++;
vector<string> args(it, cmd.end()); vector<string> args(it, cmd.end());