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| author | Denys Vlasenko | 2010-09-13 00:34:26 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-09-13 00:34:26 +0200 |
| commit | b771c654cab511b172484479cafd006d52588103 (patch) | |
| tree | 54a5cd2fb09061217441afb00053a6e9c2e00284 /shell/hush.c | |
| parent | 99862cbfad9c36b4f8f4378c3a7a9f077c239f20 (diff) | |
| download | busybox-b771c654cab511b172484479cafd006d52588103.zip busybox-b771c654cab511b172484479cafd006d52588103.tar.gz | |
shell: shrink arith code; and prepare for returning text error codes
function old new delta
arith 701 680 -21
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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: |