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@@ -0,0 +1,43 @@
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+#include <apt-pkg/fileutl.h>
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+#include <apt-pkg/strutl.h>
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+#include <apt-pkg/error.h>
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+
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+#include <unistd.h>
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+#include <stdlib.h>
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+#include <fcntl.h>
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+
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+#include <iostream>
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+#include <string>
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+
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+static void callsystem(std::string const &call)
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+{
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+ auto ret = system(call.c_str());
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+ if (WIFEXITED(ret) == false || WEXITSTATUS(ret) != 0)
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+ _error->Error("Calling %s failed!", call.c_str());
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+}
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+
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+int main(int, char ** argv)
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+{
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+ auto const pid = getpid();
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+ std::string ls;
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+ strprintf(ls, "ls -l /proc/%d/fd", pid);
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+ callsystem(ls);
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+ FileFd t;
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+ t.Open(argv[1], FileFd::ReadOnly, FileFd::Extension);
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+ callsystem(ls);
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+ char buf[1024];
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+ unsigned long long act;
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+ while (t.Read(buf, sizeof(buf), &act))
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+ if (act == 0)
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+ break;
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+ callsystem(ls);
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+ t.Seek(5);
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+ callsystem(ls);
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+ t.Close();
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+ callsystem(ls);
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+ auto const ret = _error->PendingError();
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+ _error->DumpErrors();
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+ return ret;
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+}
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