memcheck/tests/freebsd/bug464476.cpp

   1 // roughly based on the code for Firefox class BinaryPath
   2 // https://searchfox.org/mozilla-central/source/xpcom/build/BinaryPath.h#185
   3
   4 #include <iostream>
   5 #include <sys/types.h>
   6 #include <sys/sysctl.h>
   7 #include <limits.h>
   8 #include <string>
   9
  10 using std::cerr;
  11 using std::cout;
  12 using std::string;
  13
  14 int main(int argc, char **argv)
  15 {
  16    char aResult[PATH_MAX];
  17    int mib[4];
  18    mib[0] = CTL_KERN;
  19    mib[1] = KERN_PROC;
  20    mib[2] = KERN_PROC_PATHNAME;
  21    mib[3] = -1;
  22
  23    size_t len = PATH_MAX;
  24    if (sysctl(mib, 4, aResult, &len, nullptr, 0) < 0) {
  25       cerr << "sysctl failed\n";
  26       return -1;
  27    }
  28    if (string(aResult) == argv[1]) {
  29       cout << "OK\n";
  30    } else {
  31       cerr << "Not OK aResult " << aResult << " argv[1] " << argv[1] << '\n';
  32    }
  33 }