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-rw-r--r--apt-inst/deb/debfile.cc6
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());
}