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view_get_title: add NULL check

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Otherwise, we'll segfault:

0x00007ffff7c36715 in __strlen_avx2 () at /usr/lib/libc.so.6
0x000055555555ae00 in view_get_title (view=0x5555558403c0) at ../view.c:34
This commit is contained in:
Jente Hidskes 2019-01-31 16:20:48 +01:00
parent a9a8f551e5
commit 2543934055
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1 changed files with 3 additions and 0 deletions
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3
view.c
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@ -28,6 +28,9 @@ char *
view_get_title(struct cg_view *view) view_get_title(struct cg_view *view)
{ {
const char *title = view->impl->get_title(view); const char *title = view->impl->get_title(view);
if (!title) {
return NULL;
}
return strndup(title, strlen(title)); return strndup(title, strlen(title));
} }