0022-Fix-bug-in-undefer_input-that-misplaced-the-input-st.patch (1095B)
1 From 3eda39fac98550990abb9f83d986619d173f9605 Mon Sep 17 00:00:00 2001 2 From: Mark Adler <madler@alumni.caltech.edu> 3 Date: Fri, 31 Jan 2020 22:05:56 -0800 4 Subject: [PATCH] Fix bug in undefer_input() that misplaced the input state. 5 6 Fix bug in undefer_input() that misplaced the input state. 7 --- 8 fileio.c | 4 +++- 9 1 file changed, 3 insertions(+), 1 deletion(-) 10 11 diff --git a/fileio.c b/fileio.c 12 index c10ff63..6290824 100644 13 --- a/fileio.c 14 +++ b/fileio.c 15 @@ -532,8 +532,10 @@ void undefer_input(__G) 16 * This condition was checked when G.incnt_leftover was set > 0 in 17 * defer_leftover_input(), and it is NOT allowed to touch G.csize 18 * before calling undefer_input() when (G.incnt_leftover > 0) 19 - * (single exception: see read_byte()'s "G.csize <= 0" handling) !! 20 + * (single exception: see readbyte()'s "G.csize <= 0" handling) !! 21 */ 22 + if (G.csize < 0L) 23 + G.csize = 0L; 24 G.incnt = G.incnt_leftover + (int)G.csize; 25 G.inptr = G.inptr_leftover - (int)G.csize; 26 G.incnt_leftover = 0; 27 -- 28 2.25.0 29