From: Peter Stephenson <p.stephenson@samsung.com>
To: zsh-workers@zsh.org
Subject: Re: This looks obviously wrong to me, but maybe it's unreachable?
Date: Mon, 23 Nov 2015 15:34:35 +0000 [thread overview]
Message-ID: <20151123153435.5950a7c6@pwslap01u.europe.root.pri> (raw)
In-Reply-To: <151122145046.ZM12975@torch.brasslantern.com>
On Sun, 22 Nov 2015 14:50:46 -0800
Bart Schaefer <schaefer@brasslantern.com> wrote:
> This is in sethparam():
>
> if (!(v = fetchvalue(&vbuf, &s, 1, SCANPM_ASSIGNING))) {
> createparam(t, PM_HASHED);
> if (isset(WARNCREATEGLOBAL) && locallevel > 0)
> check_warn_create(v->pm, "associative array");
>
> That's plainly dereferencing v->pm in a block where v is NULL.
It should probably be this.
pws
diff --git a/Src/params.c b/Src/params.c
index b121bd6..602f69f 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -2970,6 +2970,7 @@ sethparam(char *s, char **val)
struct value vbuf;
Value v;
char *t = s;
+ int checkcreate = 0;
if (!isident(s)) {
zerr("not an identifier: %s", s);
@@ -2988,8 +2989,7 @@ sethparam(char *s, char **val)
queue_signals();
if (!(v = fetchvalue(&vbuf, &s, 1, SCANPM_ASSIGNING))) {
createparam(t, PM_HASHED);
- if (isset(WARNCREATEGLOBAL) && locallevel > 0)
- check_warn_create(v->pm, "associative array");
+ checkcreate = isset(WARNCREATEGLOBAL) && locallevel > 0;
} else if (!(PM_TYPE(v->pm->node.flags) & PM_HASHED) &&
!(v->pm->node.flags & PM_SPECIAL)) {
unsetparam(t);
@@ -3002,6 +3002,8 @@ sethparam(char *s, char **val)
unqueue_signals();
return NULL;
}
+ if (checkcreate)
+ check_warn_create(v->pm, "associative array");
setarrvalue(v, val);
unqueue_signals();
return v->pm;
prev parent reply other threads:[~2015-11-23 15:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-22 22:50 Bart Schaefer
2015-11-23 15:34 ` Peter Stephenson [this message]
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