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fix segfault when completing ~ or .

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ie. w/o any / in the given path we'll get an irregular split point and
thus out of bounds array access
This commit is contained in:
Thomas Lübking 2016-09-18 15:06:10 +02:00
parent facb42fc35
commit 39b34a9109
1 changed files with 4 additions and 0 deletions
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4
util/fbrun/FbRun.cc
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@ -462,6 +462,10 @@ void FbRun::tabCompleteApps() {
if (prefix.at(0) == '/' || prefix.at(0) == '.' || prefix.at(0) == '~') { if (prefix.at(0) == '/' || prefix.at(0) == '.' || prefix.at(0) == '~') {
// we're completing a directory, find subdirs // we're completing a directory, find subdirs
split = prefix.find_last_of('/'); split = prefix.find_last_of('/');
if (split == std::string::npos) {
split = prefix.size();
prefix.append("/");
}
prefix = prefix.substr(0, split+1); prefix = prefix.substr(0, split+1);
if (prefix != m_last_completion_path) { if (prefix != m_last_completion_path) {
m_files.clear(); m_files.clear();