Add `_PATH_DEVZERO'.

Use _PATH_* where where possible.

3 files changed, 12 insertions, 9 deletions

diff --git a/usr.sbin/cron/cron/popen.c b/usr.sbin/cron/cron/popen.c
index 1ac775d..f22f421 100644
--- a/usr.sbin/cron/cron/popen.c
+++ b/usr.sbin/cron/cron/popen.c
@@ -34,6 +34,7 @@ static const char rcsid[] =
 #include "cron.h"
 #include <sys/signal.h>
 #include <fcntl.h>
+#include <paths.h>
 #if defined(SYSLOG)
 # include <syslog.h>
 #endif
@@ -130,7 +131,7 @@ cron_popen(program, type, e)
 		if (*type == 'r') {
 			/* Do not share our parent's stdin */
 			(void)close(0);
-			(void)open("/dev/null", O_RDWR);
+			(void)open(_PATH_DEVNULL, O_RDWR);
 			if (pdes[1] != 1) {
 				dup2(pdes[1], 1);
 				dup2(pdes[1], 2);	/* stderr, too! */
@@ -144,9 +145,9 @@ cron_popen(program, type, e)
 			}
 			/* Hack: stdout gets revoked */
 			(void)close(1);
-			(void)open("/dev/null", O_RDWR);
+			(void)open(_PATH_DEVNULL, O_RDWR);
 			(void)close(2);
-			(void)open("/dev/null", O_RDWR);
+			(void)open(_PATH_DEVNULL, O_RDWR);
 			(void)close(pdes[1]);
 		}
 # if defined(LOGIN_CAP)
diff --git a/usr.sbin/cron/crontab/crontab.c b/usr.sbin/cron/crontab/crontab.c
index 0071f6a..8ee2ccb 100644
--- a/usr.sbin/cron/crontab/crontab.c
+++ b/usr.sbin/cron/crontab/crontab.c
@@ -31,6 +31,7 @@ static const char rcsid[] =
 #include "cron.h"
 #include <errno.h>
 #include <fcntl.h>
+#include <paths.h>
 #include <sys/file.h>
 #include <sys/stat.h>
 #ifdef USE_UTIMES
@@ -297,8 +298,8 @@ edit_cmd() {
 		if (errno != ENOENT)
 			err(ERROR_EXIT, "%s", n);
 		warnx("no crontab for %s - using an empty one", User);
-		if (!(f = fopen("/dev/null", "r")))
-			err(ERROR_EXIT, "/dev/null");
+		if (!(f = fopen(_PATH_DEVNULL, "r")))
+			err(ERROR_EXIT, _PATH_DEVNULL);
 	}
 
 	um = umask(077);
diff --git a/usr.sbin/cron/lib/compat.c b/usr.sbin/cron/lib/compat.c
index 6057b86..9686012 100644
--- a/usr.sbin/cron/lib/compat.c
+++ b/usr.sbin/cron/lib/compat.c
@@ -32,6 +32,7 @@ static char rcsid[] = "$FreeBSD$";
 # include <sys/ioctl.h>
 #endif
 #include <errno.h>
+#include <paths.h>
 
 
 /* the code does not depend on any of vfork's
@@ -109,7 +110,7 @@ setsid()
 #  else
 	newpgrp = setpgrp(0, getpid());
 #  endif
-	if ((fd = open("/dev/tty", 2)) >= 0)
+	if ((fd = open(_PATH_TTY, 2)) >= 0)
 	{
 		(void) ioctl(fd, TIOCNOTTY, (char*)0);
 		(void) close(fd);
@@ -117,9 +118,9 @@ setsid()
 # else /*BSD*/
 	newpgrp = setpgrp();
 
-	(void) close(STDIN);	(void) open("/dev/null", 0);
-	(void) close(STDOUT);	(void) open("/dev/null", 1);
-	(void) close(STDERR);	(void) open("/dev/null", 2);
+	(void) close(STDIN);	(void) open(_PATH_DEVNULL, 0);
+	(void) close(STDOUT);	(void) open(_PATH_DEVNULL, 1);
+	(void) close(STDERR);	(void) open(_PATH_DEVNULL, 2);
 # endif /*BSD*/
 	return newpgrp;
 }