commit 76eb5783046cf89ba6b7e9f8cdab35fe86d07a82
from: S. Gilles <sgilles@math.umd.edu>
via: Hiltjo Posthuma <hiltjo@codemadness.org>
date: Tue Jun 28 15:51:28 2016 UTC

fix: Do not crash on e.g. dmenu < /dev/null

commit - 44c7de3dcf49ee568863f55610f40c7a05b4dfe7
commit + 76eb5783046cf89ba6b7e9f8cdab35fe86d07a82
blob - 0e7b70bdc74043a46bae25d34f78969d1c9e8372
blob + e926ecac26ec61f67f1add2e7ed12a6789f3ca50
--- dmenu.c
+++ dmenu.c
@@ -480,7 +480,7 @@ readstdin(void)
 	}
 	if (items)
 		items[i].text = NULL;
-	inputw = TEXTW(items[imax].text);
+	inputw = items ? TEXTW(items[imax].text) : 0;
 	lines = MIN(lines, i);
 }