sacc

commit 802d765ffd723b0e3298d6f070bf5301ae0ddadd
parent e1eceee39ab489e5bc8ead2f8244b0cad3d1618f
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Sun, 25 Feb 2018 16:32:48 +0100

displaytextitem: check popen()

$PAGER is always set, but this might fail if resource limits or other
restrictions are set.

Diffstat:
sacc.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sacc.c b/sacc.c
@@ -248,7 +248,8 @@ displaytextitem(Item *item)
 		return;
 	case 0:
 		parent = 0;
-		pagerin = popen("$PAGER", "we");
+		if (!(pagerin = popen("$PAGER", "we")))
+			_exit(1);
 		fputs(item->raw, pagerin);
 		exit(pclose(pagerin));
 	default: