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-rw-r--r--Src/subst.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/Src/subst.c b/Src/subst.c
index 04ef1a4fb..dac536f14 100644
--- a/Src/subst.c
+++ b/Src/subst.c
@@ -1828,6 +1828,10 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags)
quotemod = 1;
quotetype = QT_SINGLE_OPTIONAL;
} else {
+ if (quotetype == QT_SINGLE_OPTIONAL) {
+ /* extra q's after '-' not allowed */
+ goto flagerr;
+ }
quotemod++, quotetype++;
}
break;