This file is indexed.

/usr/include/fst/script/concat.h is in libfst-dev 1.5.3+r3-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.

#ifndef FST_SCRIPT_CONCAT_H_
#define FST_SCRIPT_CONCAT_H_

#include <fst/concat.h>
#include <fst/script/arg-packs.h>
#include <fst/script/fst-class.h>

namespace fst {
namespace script {

typedef args::Package<MutableFstClass *, const FstClass &> ConcatArgs1;
typedef args::Package<const FstClass &, MutableFstClass *> ConcatArgs2;

template <class Arc>
void Concat(ConcatArgs1 *args) {
  MutableFst<Arc> *ofst = args->arg1->GetMutableFst<Arc>();
  const Fst<Arc> &ifst = *(args->arg2.GetFst<Arc>());

  Concat(ofst, ifst);
}

template <class Arc>
void Concat(ConcatArgs2 *args) {
  const Fst<Arc> &ifst = *(args->arg1.GetFst<Arc>());
  MutableFst<Arc> *ofst = args->arg2->GetMutableFst<Arc>();

  Concat(ifst, ofst);
}

void Concat(MutableFstClass *ofst, const FstClass &ifst);
void Concat(const FstClass &ifst, MutableFstClass *ofst);

}  // namespace script
}  // namespace fst

#endif  // FST_SCRIPT_CONCAT_H_