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.

diff --git a/slstatus.c b/slstatus.c
index b3abafb..9bd9e81 100644 (file)
--- 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");