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| author | Barton E. Schaefer <schaefer@zsh.org> | 2015-01-10 10:27:01 -0800 |
|---|---|---|
| committer | Barton E. Schaefer <schaefer@zsh.org> | 2015-01-10 10:32:31 -0800 |
| commit | daa788d88b7935ac93a9be54691bdd56e68ae2f3 (patch) | |
| tree | c37995135e0946f0c002ffa39cf1328d22f162e7 /Src/builtin.c | |
| parent | 199581f7803795a521be0d37c462fd7c3a6506a1 (diff) | |
| download | zsh-daa788d88b7935ac93a9be54691bdd56e68ae2f3.tar.gz zsh-daa788d88b7935ac93a9be54691bdd56e68ae2f3.zip | |
34212: do not change unset-ness of special parameters when exporting them
Diffstat (limited to 'Src/builtin.c')
| -rw-r--r-- | Src/builtin.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Src/builtin.c b/Src/builtin.c index 8abe728db..8dee8f910 100644 --- a/Src/builtin.c +++ b/Src/builtin.c @@ -1935,7 +1935,7 @@ typeset_single(char *cname, char *pname, Param pm, UNUSED(int func), * even if that's unset */ if (pm && (pm->node.flags & PM_SPECIAL)) - usepm = 1; + usepm = 2; /* indicate that we preserve the PM_UNSET flag */ /* * Don't use an existing param if @@ -2072,7 +2072,11 @@ typeset_single(char *cname, char *pname, Param pm, UNUSED(int func), arrfixenv(pm->node.nam, x); } } - pm->node.flags = (pm->node.flags | (on & ~PM_READONLY)) & ~(off | PM_UNSET); + if (usepm == 2) /* do not change the PM_UNSET flag */ + pm->node.flags = (pm->node.flags | (on & ~PM_READONLY)) & ~off; + else + pm->node.flags = (pm->node.flags | + (on & ~PM_READONLY)) & ~(off | PM_UNSET); if (on & (PM_LEFT | PM_RIGHT_B | PM_RIGHT_Z)) { if (typeset_setwidth(cname, pm, ops, on, 0)) return NULL; |