X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/37959ca569a4bf69c6c1bbb16991cfc6d8452970..d1423010d0832e6da3c11bea63e5f5299a21710b:/slstatus.c?ds=sidebyside

diff --git a/slstatus.c b/slstatus.c
index 99ef720..8479bf1 100644
--- a/slstatus.c
+++ b/slstatus.c
@@ -90,7 +90,7 @@ smprintf(const char *fmt, ...)
 	ret = malloc(++len);
 	if (ret == NULL) {
 		warn("Malloc failed.");
-		exit(1);
+		return "n/a";
 	}
 
 	va_start(ap, fmt);
@@ -406,7 +406,7 @@ static char *
 run_command(const char *cmd)
 {
 	FILE *fp;
-	char buf[64] = "\0";
+	char buf[64] = "n/a";
 
 	fp = popen(cmd, "r");
 	if (fp == NULL) {
@@ -592,15 +592,10 @@ sighandler(const int signo)
 static void
 usage(void)
 {
-	fprintf(stderr,
-		"slstatus (c) 2016, drkhsh\n"
-		"usage: %s [-dho]\n",
-		argv0);
+	fprintf(stderr, "usage: %s [-dhov]\n", argv0);
 	exit(1);
 }
 
-
-
 int
 main(int argc, char *argv[])
 {
@@ -617,6 +612,9 @@ main(int argc, char *argv[])
 		case 'o':
 			oflag = 1;
 			break;
+		case 'v':
+			printf("%s version %s (c) 2016 slstatus engineers\n", argv0, VERSION);
+			return 0;
 		default:
 			usage();
 	} ARGEND