slstatus

commit 9ca1ac62f9aa6e01afb3697cc4b966d085be9d3a
parent 8bfe4b2e280e4d4b9762d3a93c4ec94c2fc9d754
Author: SiIky <siiky@users.noreply.github.com>
Date:   Sat, 17 Feb 2018 18:08:27 +0000

Print unknown_str in case of error

func can return NULL in case of error, but no checking is done when
printing, and unknown_str wasn't being used anywhere.

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

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/slstatus.c b/slstatus.c
@@ -87,8 +87,10 @@ 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';