confirmed `SEGV` with all of env unset

[znichola]

what if we remove all env variables, we are left with nothing, then what?

[znichola]

...
minishell$ unset LC_ALL
minishell$ unset GLIBCXX_FORCE_NEW
minishell$ unset LD_PRELOAD
minishell$ env
minishell$ export
minishell$ export test=1
[1]    870 segmentation fault  valgrind --leak-check=full --show-leak-kinds=definite,indirect,possible   

yes there is a SEGV hidden in there

[znichola]

unset $(env | awk -F "=" '{print $1}') to unset env all at once

[znichola]

*[leaks][/minishell]$ unset $(env | awk -F "=" '{print $1}')
[/minishell]$ /usr/bin/valgrind -s --leak-check=full --show-leak-kinds=definite,indirect,possible --track-origins=yes --log-file=valgrind-out.txt ./minishell
minishell: shell level is too damn high, resting to 0
minishell$ env
LD_LIBRARY_PATH=/usr/lib/debug
_=/usr/bin/valgrind
GLIBCPP_FORCE_NEW=1
PWD=/minishell
GLIBCXX_FORCE_NEW=1
LD_PRELOAD=/usr/libexec/valgrind/vgpreload_core-amd64-linux.so:/usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so
SHLVL=1
minishell$ unset LD_LIBRARY_PATH                                                                                                          
minishell$ unset _                                                                                                                        
minishell$ unset GLIBCPP_FORCE_NEW                                                                                                        
minishell$ unset PWD                                                                                                                      
minishell$ unset GLIBCXX_FORCE_NEW                                                                                                        
minishell$ unset LD_PRELOAD                                                                                                               
minishell$ unset SHLVL                                                                                                                    
minishell$ env                                                                                                                            
minishell$ export                                                                                                                         
minishell$ exit                                                                                                                           
[/minishell]$ 

and a clean bill of health

==591== Memcheck, a memory error detector
==591== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==591== Using Valgrind-3.18.1 and LibVEX; rerun with -h for copyright info
==591== Command: ./minishell
==591== Parent PID: 1
==591== 
==591== 
==591== HEAP SUMMARY:
==591==     in use at exit: 198,653 bytes in 211 blocks
==591==   total heap usage: 2,313 allocs, 2,102 frees, 803,323 bytes allocated
==591== 
==591== LEAK SUMMARY:
==591==    definitely lost: 0 bytes in 0 blocks
==591==    indirectly lost: 0 bytes in 0 blocks
==591==      possibly lost: 0 bytes in 0 blocks
==591==    still reachable: 198,653 bytes in 211 blocks
==591==         suppressed: 0 bytes in 0 blocks
==591== Reachable blocks (those to which a pointer was found) are not shown.
==591== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==591== 
==591== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)