svn commit: r337535 - head/sbin/init

[Edward Tomasz Napierala]

Author: trasz
Date: Thu Aug  9 12:17:03 2018
New Revision: 337535
URL: https://svnweb.freebsd.org/changeset/base/337535

Log:
  Use NULLs instead of casted zeroes, for consistency.
  
  MFC after:    2 weeks
  Sponsored by: DARPA, AFRL

Modified:
  head/sbin/init/init.c

Modified: head/sbin/init/init.c
==============================================================================
--- head/sbin/init/init.c       Thu Aug  9 12:13:08 2018        (r337534)
+++ head/sbin/init/init.c       Thu Aug  9 12:17:03 2018        (r337535)
@@ -316,12 +316,12 @@ invalid:
        delset(&mask, SIGABRT, SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGSYS,
            SIGXCPU, SIGXFSZ, SIGHUP, SIGINT, SIGEMT, SIGTERM, SIGTSTP,
            SIGALRM, SIGUSR1, SIGUSR2, SIGWINCH, 0);
-       sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0);
+       sigprocmask(SIG_SETMASK, &mask, NULL);
        sigemptyset(&sa.sa_mask);
        sa.sa_flags = 0;
        sa.sa_handler = SIG_IGN;
-       sigaction(SIGTTIN, &sa, (struct sigaction *)0);
-       sigaction(SIGTTOU, &sa, (struct sigaction *)0);
+       sigaction(SIGTTIN, &sa, NULL);
+       sigaction(SIGTTOU, &sa, NULL);
 
        /*
         * Paranoia.
@@ -435,7 +435,7 @@ handle(sig_t handler, ...)
                sa.sa_mask = mask_everything;
                /* XXX SA_RESTART? */
                sa.sa_flags = sig == SIGCHLD ? SA_NOCLDSTOP : 0;
-               sigaction(sig, &sa, (struct sigaction *) 0);
+               sigaction(sig, &sa, NULL);
        }
        va_end(ap);
 }
@@ -958,7 +958,7 @@ single_user(void)
                 * and those are reset to SIG_DFL on exec.
                 */
                sigemptyset(&mask);
-               sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0);
+               sigprocmask(SIG_SETMASK, &mask, NULL);
 
                /*
                 * Fire off a shell.
@@ -1443,7 +1443,7 @@ start_window_system(session_t *sp)
                _exit(0);
 
        sigemptyset(&mask);
-       sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0);
+       sigprocmask(SIG_SETMASK, &mask, NULL);
 
        if (setsid() < 0)
                emergency("setsid failed (window) %m");
@@ -1510,7 +1510,7 @@ start_getty(session_t *sp)
        }
 
        sigemptyset(&mask);
-       sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0);
+       sigprocmask(SIG_SETMASK, &mask, NULL);
 
 #ifdef LOGIN_CAP
        setprocresources(RESOURCE_GETTY);
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