From 3eda39fac98550990abb9f83d986619d173f9605 Mon Sep 17 00:00:00 2001 From: Mark Adler Date: Fri, 31 Jan 2020 22:05:56 -0800 Subject: [PATCH] Fix bug in undefer_input() that misplaced the input state. Fix bug in undefer_input() that misplaced the input state. --- fileio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fileio.c b/fileio.c index c10ff63..6290824 100644 --- a/fileio.c +++ b/fileio.c @@ -532,8 +532,10 @@ void undefer_input(__G) * This condition was checked when G.incnt_leftover was set > 0 in * defer_leftover_input(), and it is NOT allowed to touch G.csize * before calling undefer_input() when (G.incnt_leftover > 0) - * (single exception: see read_byte()'s "G.csize <= 0" handling) !! + * (single exception: see readbyte()'s "G.csize <= 0" handling) !! */ + if (G.csize < 0L) + G.csize = 0L; G.incnt = G.incnt_leftover + (int)G.csize; G.inptr = G.inptr_leftover - (int)G.csize; G.incnt_leftover = 0; -- 2.25.0