1 // Copyright 2011 Google LLC
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
5 // met:
6 //
7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
12 // distribution.
13 // * Neither the name of Google LLC nor the names of its
14 // contributors may be used to endorse or promote products derived from
15 // this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 // minidump_writer_unittest_utils.cc:
30 // Shared routines used by unittests under client/linux/minidump_writer.
31
32 #ifdef HAVE_CONFIG_H
33 #include <config.h> // Must come first
34 #endif
35
36 #include <limits.h>
37 #include <stdlib.h>
38
39 #include "client/linux/minidump_writer/minidump_writer_unittest_utils.h"
40 #include "common/linux/safe_readlink.h"
41 #include "common/using_std_string.h"
42
43 namespace google_breakpad {
44
GetHelperBinary()45 string GetHelperBinary() {
46 string helper_path;
47 char* bindir = getenv("bindir");
48 if (bindir) {
49 helper_path = string(bindir) + "/";
50 } else {
51 // Locate helper binary next to the current binary.
52 char self_path[PATH_MAX];
53 if (!SafeReadLink("/proc/self/exe", self_path)) {
54 return "";
55 }
56 helper_path = string(self_path);
57 size_t pos = helper_path.rfind('/');
58 if (pos == string::npos) {
59 return "";
60 }
61 helper_path.erase(pos + 1);
62 }
63
64 helper_path += "linux_dumper_unittest_helper";
65
66 return helper_path;
67 }
68
69 } // namespace google_breakpad
70