diff options
Diffstat (limited to 'str_array.c')
| -rw-r--r-- | str_array.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/str_array.c b/str_array.c index e4352a9f..33c9ddcc 100644 --- a/str_array.c +++ b/str_array.c @@ -792,10 +792,15 @@ static NODE ** env_store(NODE *symbol, NODE *subs) { NODE **val = str_exists(symbol, subs); + const char *newval; assert(val != NULL); - (void) setenv(subs->stptr, (*val)->stptr, 1); + newval = (*val)->stptr; + if (newval == NULL) + newval = ""; + + (void) setenv(subs->stptr, newval, 1); return val; } |