Sort LICENSE according to first commit

[slstatus.git] / slstatus.c

diff --git a/slstatus.c b/slstatus.c
index 89a3268..b05d915 100644 (file)
--- a/slstatus.c
+++ b/slstatus.c
@@ -1,6 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <err.h>
-#include <errno.h>
 #include <locale.h>
 #include <signal.h>
 #include <stdio.h>
@@ -78,7 +76,7 @@ main(int argc, char *argv[])
        sigaction(SIGTERM, &act, NULL);
 
        if (!sflag && !(dpy = XOpenDisplay(NULL))) {
-               fprintf(stderr, "slstatus: cannot open display");
+               fprintf(stderr, "Cannot open display");
                return 1;
        }
 
@@ -87,8 +85,10 @@ main(int argc, char *argv[])
 
                status[0] = '\0';
                for (i = len = 0; i < LEN(args); i++) {
+                       const char * res = args[i].func(args[i].args);
+                       res = (res == NULL) ? unknown_str : res;
                        len += snprintf(status + len, sizeof(status) - len,
-                                       args[i].fmt, args[i].func(args[i].args));
+                                       args[i].fmt, res);
 
                        if (len >= sizeof(status)) {
                                status[sizeof(status) - 1] = '\0';