- FileFd Pkg;
- if (FileExists(*I + GetFileName()) == true)
- {
- Pkg.Open(*I + GetFileName(),FileFd::ReadOnly);
- FileSize = Pkg.Size();
- }
- else
- {
- FileFd From(*I + GetFileName() + ".gz",FileFd::ReadOnly);
- if (_error->PendingError() == true)
- return false;
- FileSize = From.Size();
-
- // Get a temp file
- FILE *tmp = tmpfile();
- if (tmp == 0)
- return _error->Errno("tmpfile","Unable to create a tmp file");
- Pkg.Fd(dup(fileno(tmp)));
- fclose(tmp);
-
- // Fork gzip
- pid_t Process = fork();
- if (Process < 0)
- return _error->Errno("fork","Couldn't fork gzip");
-
- // The child
- if (Process == 0)
- {
- dup2(From.Fd(),STDIN_FILENO);
- dup2(Pkg.Fd(),STDOUT_FILENO);
- SetCloseExec(STDIN_FILENO,false);
- SetCloseExec(STDOUT_FILENO,false);
-
- const char *Args[3];
- string Tmp = _config->Find("Dir::bin::gzip","gzip");
- Args[0] = Tmp.c_str();
- Args[1] = "-d";
- Args[2] = 0;
- execvp(Args[0],(char **)Args);
- exit(100);
- }
-
- // Wait for gzip to finish
- if (ExecWait(Process,_config->Find("Dir::bin::gzip","gzip").c_str(),false) == false)
- return _error->Error("gzip failed, perhaps the disk is full.");
-
- Pkg.Seek(0);
- }