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
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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
40 namespace google_breakpad {
41
GetHelperBinary()42 string 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