processes plugin: Some more minor coding style fixes.

diff --git a/src/processes.c b/src/processes.c
index e58076a..3822d42 100644 (file)
--- a/src/processes.c
+++ b/src/processes.c
@@ -1580,7 +1580,6 @@ static int ps_read (void)
        kvm_t *kd;
        char errbuf[1024];
        struct kinfo_proc *procs;          /* array of processes */
-       char **argv;
        int count;                         /* returns number of processes */
        int i;
 
@@ -1616,37 +1615,33 @@ static int ps_read (void)
                 * filter out threads (duplicate PID entries). */
                if ((proc_ptr == NULL) || (proc_ptr->ki_pid != procs[i].ki_pid))
                {
-                       char cmdline[ARG_MAX];
+                       char cmdline[ARG_MAX] = "";
                        _Bool have_cmdline = 0;
 
-                       memset (cmdline, 0, sizeof (cmdline));
-
                        proc_ptr = &(procs[i]);
-                       /* not probe system processes and processes without arguments*/
+                       /* Don't probe system processes and processes without arguments */
                        if (((procs[i].ki_flag & P_SYSTEM) == 0)
-                                       && (procs[i].ki_args != NULL ))
+                                       && (procs[i].ki_args != NULL))
                        {
+                               char **argv;
+                               int argc;
+                               int status;
+
                                /* retrieve the arguments */
                                argv = kvm_getargv (kd, proc_ptr, /* nchr = */ 0);
-                               if ( argv != NULL && *argv)
+                               argc = 0;
+                               if ((argv != NULL) && (argv[0] != NULL))
                                {
-                                       int status;
-                                       int argc;
-
-                                       argc = 0;
                                        while (argv[argc] != NULL)
                                                argc++;
 
-                                       status = strjoin (cmdline, sizeof (cmdline),
-                                                       argv, argc, " ");
-
+                                       status = strjoin (cmdline, sizeof (cmdline), argv, argc, " ");
                                        if (status < 0)
                                                WARNING ("processes plugin: Command line did not fit into buffer.");
                                        else
                                                have_cmdline = 1;
-
                                }
-                       }
+                       } /* if (process has argument list) */
 
                        pse.id       = procs[i].ki_pid;
                        pse.age      = 0;