diff options
author | Julian Andres Klode <jak@debian.org> | 2014-03-17 13:43:12 +0100 |
---|---|---|
committer | Michael Vogt <mvo@ubuntu.com> | 2014-04-04 08:15:58 +0200 |
commit | 5e8589ae8f7b448f8f5a27077db55ef9bc9897ce (patch) | |
tree | f6e40349c0488bf4847ce73539062b4597d88569 /apt-inst/deb | |
parent | 77ef358f2967331b90b45c425f33f517ab64210f (diff) |
apt-inst: Do not try to create a substring of an empty string in error reporting
One of our compressors (the empty one) has an empty extension. Calling substr
on it fails.
Diffstat (limited to 'apt-inst/deb')
-rw-r--r-- | apt-inst/deb/debfile.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/apt-inst/deb/debfile.cc b/apt-inst/deb/debfile.cc index a811bbe88..8f2a83547 100644 --- a/apt-inst/deb/debfile.cc +++ b/apt-inst/deb/debfile.cc @@ -118,8 +118,10 @@ bool debDebFile::ExtractTarMember(pkgDirStream &Stream,const char *Name) { std::string ext = std::string(Name) + ".{"; for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin(); - c != compressor.end(); ++c) - ext.append(c->Extension.substr(1)); + c != compressor.end(); ++c) { + if (!c->Extension.empty()) + ext.append(c->Extension.substr(1)); + } ext.append("}"); return _error->Error(_("Internal error, could not locate member %s"), ext.c_str()); } |