diff options
Diffstat (limited to 'Src/subst.c')
| -rw-r--r-- | Src/subst.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Src/subst.c b/Src/subst.c index a4df2567f..1059508ef 100644 --- a/Src/subst.c +++ b/Src/subst.c @@ -2941,6 +2941,14 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags) } } } + if (vunset) { + if (unset(UNSET)) { + *idend = '\0'; + zerr("%s: parameter not set", idbeg); + return NULL; + } + val = dupstring(""); + } } else { /* no ${...=...} or anything, but possible modifiers. */ /* * Handler ${+...}. TODO: strange, why do we handle this only |