slstatus

commit 9c9ce8a125f35bab61c829bdd58bdf77b8352d5e
parent 825f637e20e98901447825ac44aa24859083fe00
Author: Laslo Hunhold <dev@frign.de>
Date:   Tue, 22 May 2018 12:50:43 +0200

Check printf() for output errors

This way cases like

	$ slstatus -s > /dev/full

are properly caught and the program terminated with the proper return
code.

Diffstat:
M
slstatus.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/slstatus.c b/slstatus.c
@@ -102,7 +102,9 @@ main(int argc, char *argv[])
 		}
 
 		if (sflag) {
-			printf("%s\n", status);
+			if (printf("%s\n", status) < 0) {
+				die("printf:");
+			}
 		} else {
 			if (XStoreName(dpy, DefaultRootWindow(dpy), status) < 0) {
 				die("XStoreName: Allocation failed");