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