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| author | Peter Stephenson <pws@users.sourceforge.net> | 2010-02-08 11:49:28 +0000 |
|---|---|---|
| committer | Peter Stephenson <pws@users.sourceforge.net> | 2010-02-08 11:49:28 +0000 |
| commit | 4a0ddedf0af0bbd22530132df830b588b2b63220 (patch) | |
| tree | ff240f0b690eeb65ad4cc579518ff584c86038d1 /Src/subst.c | |
| parent | b8d5ad137c4a9d11155588b07e6454e49a3e322d (diff) | |
| download | zsh-4a0ddedf0af0bbd22530132df830b588b2b63220.tar.gz zsh-4a0ddedf0af0bbd22530132df830b588b2b63220.tar.xz zsh-4a0ddedf0af0bbd22530132df830b588b2b63220.zip | |
unposted: a couple of typeset -g's and a comment
Diffstat (limited to 'Src/subst.c')
| -rw-r--r-- | Src/subst.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Src/subst.c b/Src/subst.c index 0bb0b798f..462d0b3a0 100644 --- a/Src/subst.c +++ b/Src/subst.c @@ -2356,6 +2356,11 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub) if (!(flags & (SUB_MATCH|SUB_REST|SUB_BIND|SUB_EIND|SUB_LEN))) flags |= SUB_REST; + /* + * With ":" treat a value as unset if the variable is set but + * - (array) contains no elements + * - (scalar) contains an empty string + */ if (colf && !vunset) vunset = (isarr) ? !*aval : !*val || (*val == Nularg && !val[1]); |