diff options
Diffstat (limited to 'shell/hush.c')
| -rw-r--r-- | shell/hush.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/shell/hush.c b/shell/hush.c index 752efd0..ef0c454 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -4728,9 +4728,9 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha if (beg < 0) /* bash compat */ beg = 0; debug_printf_varexp("from val:'%s'\n", val); - if (len == 0 || !val || beg >= strlen(val)) - val = ""; - else { + if (len == 0 || !val || beg >= strlen(val)) { + val = NULL; + } else { /* Paranoia. What if user entered 9999999999999 * which fits in arith_t but not int? */ if (len >= INT_MAX) @@ -4742,7 +4742,7 @@ static NOINLINE const char *expand_one_var(char **to_be_freed_pp, char *arg, cha #endif { die_if_script("malformed ${%s:...}", var); - val = ""; + val = NULL; } } else { /* one of "-=+?" */ /* Standard-mandated substitution ops: |