test/interactive-helper/extract-control.cc

   1 #include <apt-pkg/debfile.h>
   2 #include <apt-pkg/error.h>
   3 #include <apt-pkg/fileutl.h>
   4
   5 #include <iostream>
   6 #include <unistd.h>
   7
   8 using namespace std;
   9
  10 bool ExtractMember(const char *File,const char *Member)
  11 {
  12    FileFd Fd(File,FileFd::ReadOnly);
  13    debDebFile Deb(Fd);
  14    if(_error->PendingError() == true)
  15       return false;
  16
  17    debDebFile::MemControlExtract Extract(Member);
  18    if (Extract.Read(Deb) == false)
  19       return false;
  20
  21    if (Extract.Control == 0)
  22       return true;
  23
  24    return write(STDOUT_FILENO,Extract.Control,Extract.Length) != -1;
  25 }
  26
  27 int main(int argc, const char *argv[])
  28 {
  29    if (argc < 2)
  30    {
  31       cerr << "Need two arguments, a .deb and the control member" << endl;
  32       return 100;
  33    }
  34
  35    if (ExtractMember(argv[1],argv[2]) == false)
  36    {
  37       _error->DumpErrors();
  38       return 100;
  39    }
  40
  41    return 0;
  42 }