diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | Src/subst.c | 2 | ||||
| -rw-r--r-- | Test/D04parameter.ztst | 7 |
3 files changed, 15 insertions, 0 deletions
@@ -1,3 +1,9 @@ +2018-11-21 Peter Stephenson <p.stephenson@samsung.com> + + * 43837 (test from Daniel): Src/subst.c, Test/D04parameter.ztst: + Nested substitution didn't remove Nularg from empty string, + giving bogus character. + 2018-11-19 Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp> * 43829: Src/Modules/nearcolor.c: use double instead of float diff --git a/Src/subst.c b/Src/subst.c index c706b9688..ff6750a59 100644 --- a/Src/subst.c +++ b/Src/subst.c @@ -2405,6 +2405,8 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags, aspar = 0; } else if (aspar) idbeg = val; + if (*val == Nularg) + ++val; *s = sav; /* * This tests for the second double quote in an expression diff --git a/Test/D04parameter.ztst b/Test/D04parameter.ztst index e327a784c..7ab2384aa 100644 --- a/Test/D04parameter.ztst +++ b/Test/D04parameter.ztst @@ -2430,3 +2430,10 @@ F:behavior, see http://austingroupbugs.net/view.php?id=888 ) 0:Use of parameter subst + to test element of hash with KSH_ARRAYS. >0 + + for baz in "" "inga"; do + echo ${#${baz}} "${#${baz}}" ${#baz} "${#baz}" + done +0:double-quoted nested evaluation of empty string +>0 0 0 0 +>4 4 4 4 |