tFix null pointer access in strhandle - st - [fork] customized build of st, the… | |
git clone git://src.adamsgaard.dk/st | |
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--- | |
commit a0467c802d4f86ed162486e3453dd61181423902 | |
parent 273db5ceaf392e68c2faf8f7dec14ea2e25e980d | |
Author: Jochen Sprickerhof <[email protected]> | |
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: | |
M st.c | 4 ++-- | |
1 file changed, 2 insertions(+), 2 deletions(-) | |
--- | |
diff --git a/st.c b/st.c | |
t@@ -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) |