From 2cbf9d7e65b2f5aeb51c165cdf9033938cba50e6 Mon Sep 17 00:00:00 2001 From: Peter Stephenson Date: Thu, 19 Feb 2015 12:01:16 +0000 Subject: 34573: Safer failure to handle command substitution --- Src/subst.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'Src') diff --git a/Src/subst.c b/Src/subst.c index 056b12b27..176a004ac 100644 --- a/Src/subst.c +++ b/Src/subst.c @@ -264,7 +264,7 @@ stringsubst(LinkList list, LinkNode node, int pf_flags, int asssub) while (*str != Outparmath && *str) str++; if (*str != Outparmath) { - zerr("Failed to find end of math substitution"); + zerr("failed to find end of math substitution"); return NULL; } str[-1] = '\0'; @@ -278,8 +278,12 @@ stringsubst(LinkList list, LinkNode node, int pf_flags, int asssub) endchar = c; *str = '\0'; - while (*++str != endchar) - DPUTS(!*str, "BUG: parse error in command substitution"); + while (*++str != endchar) { + if (!*str) { + zerr("failed to find end of command substitution"); + return NULL; + } + } } *str++ = '\0'; -- cgit 1.4.1