X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/83ef59c23699ed3cd3dc9d6d907a0d0359ab2fee..1fa78a8a3730633be662df07f7aec8f4c3dcc766:/apt-pkg/contrib/fileutl.cc

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 3a6bdfe2e..7fbe4d604 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -1545,6 +1545,9 @@ bool FileFd::Skip(unsigned long long Over)
 /* */
 bool FileFd::Truncate(unsigned long long To)
 {
+   // truncating /dev/null is always successful - as we get an error otherwise
+   if (To == 0 && FileName == "/dev/null")
+      return true;
 #if defined HAVE_ZLIB || defined HAVE_BZ2
    if (d != NULL && (d->gz != NULL || d->bz2 != NULL))
       return FileFdError("Truncating compressed files is not implemented (%s)", FileName.c_str());