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| author | Peter Stephenson <pws@users.sourceforge.net> | 2005-03-09 17:13:59 +0000 |
|---|---|---|
| committer | Peter Stephenson <pws@users.sourceforge.net> | 2005-03-09 17:13:59 +0000 |
| commit | 7208c4024ea188e904b2aa28a79c6959e9b04a6e (patch) | |
| tree | 8a59fe279fe8619882e6b7c811ea916b0cffa2be /Src/builtin.c | |
| parent | 0c3de591d3c90f555645dbde4aea4c800e18332d (diff) | |
| download | zsh-7208c4024ea188e904b2aa28a79c6959e9b04a6e.tar.gz zsh-7208c4024ea188e904b2aa28a79c6959e9b04a6e.tar.xz zsh-7208c4024ea188e904b2aa28a79c6959e9b04a6e.zip | |
20955: "unset foo" should return status 0 if foo was not set
Diffstat (limited to 'Src/builtin.c')
| -rw-r--r-- | Src/builtin.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Src/builtin.c b/Src/builtin.c index 6fcfabfda..724a6baec 100644 --- a/Src/builtin.c +++ b/Src/builtin.c @@ -2726,8 +2726,12 @@ bin_unset(char *name, char **argv, Options ops, int func) pm = (Param) (paramtab == realparamtab ? gethashnode2(paramtab, s) : paramtab->getnode(paramtab, s)); + /* + * Unsetting an unset variable is not an error. + * This appears to be reasonably standard behaviour. + */ if (!pm) - returnval = 1; + continue; else if ((pm->flags & PM_RESTRICTED) && isset(RESTRICTED)) { zerrnam(name, "%s: restricted", pm->nam, 0); returnval = 1; |