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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