diff options
| author | Ron Yorston <rmy@pobox.com> | 2019-04-15 10:49:35 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2019-04-16 18:29:52 +0200 |
| commit | d96c69d87619e62a88cad1eeda795ac36b417c1c (patch) | |
| tree | daebd789c3a21eb49f1e3c798291f349b5cb031b /shell | |
| parent | a81700bc0810b2cad59d450a380ece20a8eb96a4 (diff) | |
| download | busybox-d96c69d87619e62a88cad1eeda795ac36b417c1c.tar.gz | |
ash: an unset dynamic variable should not be dynamic
Commit b28d4c346 (ash: [VAR] Move unsetvar functionality into setvareq)
dropped the code that caused dynamic variables to lose their special
properties when unset. Add it back again.
function old new delta
setvareq 346 360 +14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/0 up/down: 14/0) Total: 14 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/ash.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/shell/ash.c b/shell/ash.c index 34d5d6d68..255d57e62 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -2364,6 +2364,10 @@ setvareq(char *s, int flags) } flags |= vp->flags & ~(VTEXTFIXED|VSTACK|VNOSAVE|VUNSET); +#if ENABLE_ASH_RANDOM_SUPPORT + if (flags & VUNSET) + flags &= ~VDYNAMIC; +#endif } else { /* variable s is not found */ if (flags & VNOSET) |