sysrap/tests/SEnvTest_PASS.cc

0001 #include <cstdlib>
0002 #include <cstdio>
0003 #include <cstring>
0004 #include <csignal>
0005
0006 #include "OPTICKS_LOG.hh"
0007
0008 /**
0009 SEnvTest
0010 =========
0011
0012 Dump envvars matching the prefix, or all when no prefix.
0013 Used for checking "fabricated" ctest, ie ctest without its own
0014 executable, but instead with its own environment.
0015
0016 **/
0017
0018 int main(int argc, char** argv, char** envp)
0019 {
0020     OPTICKS_LOG(argc, argv) ;
0021
0022     const char* prefix = argc > 1 ? argv[1] : NULL ;
0023
0024     LOG(debug) << " prefix " << ( prefix ? prefix : "NONE" );
0025
0026     while(*envp)
0027     {
0028         if(prefix != NULL && strncmp(*envp, prefix, strlen(prefix)) == 0)
0029         {
0030             LOG(info) << *envp ;
0031         }
0032         envp++ ;
0033     }
0034
0035
0036     const char* vars = R"(
0037 HOME
0038 USER
0039 BASH_SOURCE
0040 SCRIPT
0041 PWD
0042 GEOM
0043 )" ;
0044
0045     std::stringstream ss;
0046     ss.str(vars)  ;
0047     std::string s;
0048     while (std::getline(ss, s, '\n'))
0049     {
0050         if(s.empty()) continue ;
0051         const char* k = s.c_str();
0052         const char* v = getenv(k) ;
0053         std::cout
0054             << std::setw(20) << k
0055             << " : "
0056             << ( v ? v : "-" )
0057             << std::endl
0058             ;
0059     }
0060
0061
0062
0063     return 0 ;
0064 }