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authorJun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>2024-07-04 11:51:09 +0900
committerJun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>2024-07-04 11:51:09 +0900
commit2a54de167586c3b8b03019b5c52021c608bd310e (patch)
tree0e1f3e327b89cfb68e7d1487e38423f7ef15edae /Src
parentda733f5df691d01caff0a01addba234aad1b6864 (diff)
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52985: avoid adding original param to restorelist
Diffstat (limited to 'Src')
-rw-r--r--Src/exec.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/Src/exec.c b/Src/exec.c
index a473938ec..097e0b368 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -4409,7 +4409,7 @@ save_params(Estate state, Wordcode pc, LinkList *restore_p, LinkList *remove_p)
     while (wc_code(ac = *pc) == WC_ASSIGN) {
 	s = ecrawstr(state->prog, pc + 1, NULL);
 	if ((pm = (Param) paramtab->getnode(paramtab, s))) {
-	    Param tpm;
+	    Param tpm = NULL;
 	    if (pm->env)
 		delenv(pm);
 	    if (!(pm->node.flags & PM_SPECIAL)) {
@@ -4426,7 +4426,6 @@ save_params(Estate state, Wordcode pc, LinkList *restore_p, LinkList *remove_p)
 		tpm = (Param) zshcalloc(sizeof *tpm);
 		tpm->node.nam = ztrdup(pm->node.nam);
 		copyparam(tpm, pm, 0);
-		pm = tpm;
 	    } else if (!(pm->node.flags & PM_READONLY) &&
 		       (unset(RESTRICTED) || !(pm->node.flags & PM_RESTRICTED))) {
 		/*
@@ -4437,10 +4436,10 @@ save_params(Estate state, Wordcode pc, LinkList *restore_p, LinkList *remove_p)
 		tpm = (Param) hcalloc(sizeof *tpm);
 		tpm->node.nam = pm->node.nam;
 		copyparam(tpm, pm, 1);
-		pm = tpm;
 	    }
 	    addlinknode(*remove_p, dupstring(s));
-	    addlinknode(*restore_p, pm);
+	    if (tpm)
+		addlinknode(*restore_p, tpm);
 	} else
 	    addlinknode(*remove_p, dupstring(s));