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fodcusadjacenttag: Add selmon->sel guards for tagandviewtoleft/right to prevent segmentation faults ref. #191

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This commit is contained in:
bakkeby 2021-10-20 08:59:47 +02:00
parent ce270a320e
commit 84355a6d90
1 changed files with 4 additions and 2 deletions
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6
patch/focusadjacenttag.c
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@ -63,7 +63,8 @@ viewtoright(const Arg *arg)
void void
tagandviewtoleft(const Arg *arg) tagandviewtoleft(const Arg *arg)
{ {
if (__builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1 if (selmon->sel != NULL
&& __builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1
&& selmon->tagset[selmon->seltags] > 1) { && selmon->tagset[selmon->seltags] > 1) {
selmon->sel->tags >>= 1; selmon->sel->tags >>= 1;
selmon->seltags ^= 1; /* toggle sel tagset */ selmon->seltags ^= 1; /* toggle sel tagset */
@ -83,7 +84,8 @@ tagandviewtoleft(const Arg *arg)
void void
tagandviewtoright(const Arg *arg) tagandviewtoright(const Arg *arg)
{ {
if (__builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1 if (selmon->sel != NULL
&& __builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1
&& selmon->tagset[selmon->seltags] & (TAGMASK >> 1)) { && selmon->tagset[selmon->seltags] & (TAGMASK >> 1)) {
selmon->sel->tags <<= 1; selmon->sel->tags <<= 1;
selmon->seltags ^= 1; /* toggle sel tagset */ selmon->seltags ^= 1; /* toggle sel tagset */