inititalize run_command()'s buf to UNKNOWN_STR by default

[slstatus.git] / slstatus.c

diff --git a/slstatus.c b/slstatus.c
index 73e0f2c..b593765 100644 (file)
--- a/slstatus.c
+++ b/slstatus.c
@@ -405,8 +405,9 @@ ram_used(void)
 static char *
 run_command(const char *cmd)
 {
+       char *nlptr;
        FILE *fp;
-       char buf[1024] = "n/a";
+       char buf[1024] = UNKNOWN_STR;
 
        fp = popen(cmd, "r");
        if (fp == NULL) {
@@ -415,9 +416,12 @@ run_command(const char *cmd)
        }
        fgets(buf, sizeof(buf), fp);
        pclose(fp);
-
        buf[strlen(buf)] = '\0';
 
+       if ((nlptr = strstr(buf, "\n")) != NULL) {
+               nlptr[0] = '\0';
+       }
+
        return smprintf("%s", buf);
 }