From 2ee2d0c1f6ef42dfd3c8948d2917c8452a6ae0ae Mon Sep 17 00:00:00 2001
From: davidn <davidn@FreeBSD.org>
Date: Fri, 7 Feb 1997 10:41:41 +0000
Subject: Correct comments relating to MAXLOGNAME. MAXLOGNAME includes NUL
 terminator.

---
 sys/sys/param.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'sys')

diff --git a/sys/sys/param.h b/sys/sys/param.h
index 9fb35d2..f4271e9 100644
--- a/sys/sys/param.h
+++ b/sys/sys/param.h
@@ -59,13 +59,14 @@
  * Redefined constants are from POSIX 1003.1 limits file.
  *
  * MAXCOMLEN should be >= sizeof(ac_comm) (see <acct.h>)
- * MAXLOGNAME should be >= UT_NAMESIZE (see <utmp.h>)
+ * MAXLOGNAME should be > max login_name + 1
+ * (see also UT_NAMESIZE (see <utmp.h>))
  */
 #include <sys/syslimits.h>
 
 #define	MAXCOMLEN	16		/* max command name remembered */
 #define	MAXINTERP	32		/* max interpreter file name length */
-#define	MAXLOGNAME	16		/* max login name length */
+#define	MAXLOGNAME	16		/* max login name length (incl. NUL) */
 #define	MAXUPRC		CHILD_MAX	/* max simultaneous processes */
 #define	NCARGS		ARG_MAX		/* max bytes for an exec function */
 #define	NGROUPS		NGROUPS_MAX	/* max number groups */
-- 
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