st

personal fork of st
git clone git://git.alexkarle.com.com/st
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commit a0467c802d4f86ed162486e3453dd61181423902 (patch)
parent 273db5ceaf392e68c2faf8f7dec14ea2e25e980d
Author: Jochen Sprickerhof <git@jochen.sprickerhof.de>
Date:   Mon, 27 Dec 2021 11:41:42 +0100

Fix null pointer access in strhandle

According to the spec the argument is optional for 104, so p can be
NULL as can be tested with printf '\x1b]104\x07'. This is a regression
of 8e31030.

Diffstat:
Mst.c | 4++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/st.c b/st.c @@ -1960,10 +1960,10 @@ strhandle(void) break; p = strescseq.args[2]; /* FALLTHROUGH */ - case 104: /* color reset, here p = NULL */ + case 104: /* color reset */ j = (narg > 1) ? atoi(strescseq.args[1]) : -1; - if (!strcmp(p, "?")) + if (p && !strcmp(p, "?")) osc4_color_response(j); else if (xsetcolorname(j, p)) { if (par == 104 && narg <= 1)