added -v command line option

[slstatus.git] / slstatus.c

diff --git a/slstatus.c b/slstatus.c
index babcb89..8479bf1 100644 (file)
--- a/slstatus.c
+++ b/slstatus.c
@@ -26,10 +26,10 @@
 #undef strlcat
 #undef strlcpy
 
 #undef strlcat
 #undef strlcpy
 

-#include "arg.h"
-#include "strlcat.h"
-#include "strlcpy.h"
-#include "concat.h"
+#include "extern/arg.h"
+#include "extern/strlcat.h"
+#include "extern/strlcpy.h"
+#include "extern/concat.h"

 
 struct arg {
        char *(*func)();
 
 struct arg {
        char *(*func)();


@@ -90,7 +90,7 @@ smprintf(const char *fmt, ...)
        ret = malloc(++len);
        if (ret == NULL) {
                warn("Malloc failed.");
        ret = malloc(++len);
        if (ret == NULL) {
                warn("Malloc failed.");

-               exit(1);
+               return "n/a";

        }
 
        va_start(ap, fmt);
        }
 
        va_start(ap, fmt);


@@ -406,7 +406,7 @@ static char *
 run_command(const char *cmd)
 {
        FILE *fp;
 run_command(const char *cmd)
 {
        FILE *fp;

-       char buf[64] = "\0";
+       char buf[64] = "n/a";

 
        fp = popen(cmd, "r");
        if (fp == NULL) {
 
        fp = popen(cmd, "r");
        if (fp == NULL) {


@@ -592,15 +592,10 @@ sighandler(const int signo)
 static void
 usage(void)
 {
 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);
 }
 
        exit(1);
 }
 

-
-

 int
 main(int argc, char *argv[])
 {
 int
 main(int argc, char *argv[])
 {


@@ -617,6 +612,9 @@ main(int argc, char *argv[])
                case 'o':
                        oflag = 1;
                        break;
                case 'o':
                        oflag = 1;
                        break;

+               case 'v':
+                       printf("%s version %s (c) 2016 slstatus engineers\n", argv0, VERSION);
+                       return 0;

                default:
                        usage();
        } ARGEND
                default:
                        usage();
        } ARGEND