diff options
Diffstat (limited to 'apt-pkg')
| -rw-r--r-- | apt-pkg/policy.cc | 4 | ||||
| -rw-r--r-- | apt-pkg/tagfile.cc | 11 |
2 files changed, 13 insertions, 2 deletions
diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc index 0a06cc6e3..d0f97441d 100644 --- a/apt-pkg/policy.cc +++ b/apt-pkg/policy.cc @@ -405,6 +405,10 @@ bool ReadPinFile(pkgPolicy &Plcy,string File) PreferenceSection Tags; while (TF.Step(Tags) == true) { + // can happen when there are only comments in a record + if (Tags.Count() == 0) + continue; + string Name = Tags.FindS("Package"); if (Name.empty() == true) return _error->Error(_("Invalid record in the preferences file %s, no Package header"), File.c_str()); diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc index e0802e3d5..bef3c76ba 100644 --- a/apt-pkg/tagfile.cc +++ b/apt-pkg/tagfile.cc @@ -259,7 +259,12 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength) TagCount = 0; while (TagCount+1 < sizeof(Indexes)/sizeof(Indexes[0]) && Stop < End) { - TrimRecord(true,End); + TrimRecord(true,End); + + // this can happen when TrimRecord trims away the entire Record + // (e.g. because it just contains comments) + if(Stop == End) + return true; // Start a new index and add it to the hash if (isspace(Stop[0]) == 0) @@ -273,7 +278,9 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength) if (Stop == 0) return false; - for (; Stop+1 < End && Stop[1] == '\r'; Stop++); + for (; Stop+1 < End && Stop[1] == '\r'; Stop++) + /* nothing */ + ; // Double newline marks the end of the record if (Stop+1 < End && Stop[1] == '\n') |