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authorJochen Sprickerhof <git@jochen.sprickerhof.de>2021-12-27 11:41:42 +0100
committersinanmohd <pcmsinan@gmail.com>2023-01-12 08:21:56 +0530
commite937b5ac4bfdddd4da6a3b8f0e986b5c9faeef57 (patch)
tree60f72f319983a431a3f2f420d954144712544875
parent03ba5a1053b39352ae4620b28f7ef031a6368966 (diff)
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.
-rw-r--r--st.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/st.c b/st.c
index 58b7c60..0edf8f2 100644
--- a/st.c
+++ b/st.c
@@ -2022,10 +2022,10 @@ 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)