1// Copyright (c) 2011 Google Inc.
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met:
7//
8//     * Redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer.
10//     * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
14//     * Neither the name of Google Inc. nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30// minidump_writer_unittest_utils.cc:
31// Shared routines used by unittests under client/linux/minidump_writer.
32
33#include <limits.h>
34#include <stdlib.h>
35
36#include "client/linux/minidump_writer/minidump_writer_unittest_utils.h"
37#include "common/linux/safe_readlink.h"
38#include "common/using_std_string.h"
39
40namespace google_breakpad {
41
42string GetHelperBinary() {
43  string helper_path;
44  char *bindir = getenv("bindir");
45  if (bindir) {
46    helper_path = string(bindir) + "/";
47  } else {
48    // Locate helper binary next to the current binary.
49    char self_path[PATH_MAX];
50    if (!SafeReadLink("/proc/self/exe", self_path)) {
51      return "";
52    }
53    helper_path = string(self_path);
54    size_t pos = helper_path.rfind('/');
55    if (pos == string::npos) {
56      return "";
57    }
58    helper_path.erase(pos + 1);
59  }
60
61  helper_path += "linux_dumper_unittest_helper";
62
63  return helper_path;
64}
65
66}  // namespace google_breakpad
67