diff options
-rw-r--r-- | shell/hush.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/shell/hush.c b/shell/hush.c index 836f3b8..c8356f4 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -5736,7 +5736,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha if (len < 0) /* bash compat */ die_if_script("%s: substring expression < 0", var); } - if (len == 0 || !val || beg >= strlen(val)) { + if (len <= 0 || !val || beg >= strlen(val)) { arith_err: val = NULL; } else { |