diff options
-rw-r--r-- | getconf/getconf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/getconf/getconf.c b/getconf/getconf.c index 0f2b5d0..7c789dd 100644 --- a/getconf/getconf.c +++ b/getconf/getconf.c @@ -389,7 +389,7 @@ int do_system_var(char *environment, char *system_var) { int var; - if(strlen(environment) != 0) + if(environment && strlen(environment) != 0) { fprintf(stderr, "Unsupported environment: %s\n", environment); return EINVAL; |