* special parameter fix
@ 1997-04-01 0:06 Zefram
0 siblings, 0 replies; only message in thread
From: Zefram @ 1997-04-01 0:06 UTC (permalink / raw)
To: zsh-workers
-----BEGIN PGP SIGNED MESSAGE-----
My patch 3048 contained a small bug, in that its method of checking for
an attempt to change the type of a special parameter is ineffective.
The commands
typeset -R UID
echo $UID
will cause a crash without this patch.
-zefram
*** Src/builtin.c 1997/03/30 00:49:13 1.74
--- Src/builtin.c 1997/03/31 04:01:22
***************
*** 1415,1421 ****
continue;
}
if((pm->flags & PM_SPECIAL) &&
! PM_TYPE(on) && PM_TYPE(on) != PM_TYPE(pm->flags)) {
zerrnam(name, "%s: cannot change type of a special parameter",
pm->nam, 0);
returnval = 1;
--- 1415,1421 ----
continue;
}
if((pm->flags & PM_SPECIAL) &&
! PM_TYPE((pm->flags | on) & ~off) != PM_TYPE(pm->flags)) {
zerrnam(name, "%s: cannot change type of a special parameter",
pm->nam, 0);
returnval = 1;
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1997-04-01 0:06 special parameter fix Zefram
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